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2 malware families

apt_q_37

Also known asapt_q_37

APT-Q-37 is a suspected Indian threat actor also known as Bitter and APT-C-08. The provided content states that QiAnXin and Qihoo 360 reported on new backdoors deployed by this group. No additional high-confidence details about targeting, tactics, techniques, procedures, or sub-groups are directly provided in the content beyond the use of new backdoors and the attribution as a suspected Indian APT.

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MITRE ATT&CK

Tradecraft

5 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.

4 of 15 tactics7 techniques×N= number of intelligence reports citing this technique
MITRE ATT&CK
TA0001
Initial Access
1 technique
T1566
Phishing
T1566.002
Spearphishing Link
T1566.003
Spearphishing via Service
TA0005
Stealth
1 technique
T1036
Masquerading
TA0006
Credential Access
1 technique
T1056
Input Capture
TA0009
Collection
2 techniques
T1005
Data from Local System
T1056
Input Capture
ARSENAL

Associated malware families

2 malware families attributed to this actor across reporting.

FamilyContextEvidenceLast seen
DracarysLookout has linked this campaign to a South Asian group known as BITTER (also called T-APT-17, APT-Q-37) because the code in ProSpy is similar to an older virus called Dracarys from 2022. Both, reportedly, use the same numbered commands to control the phone.1Apr 13, 2026
ProSpyThis joint research, and an October 2025 report from ESET, reveals that Android users are tricked into downloading any of these malware: ProSpy or ToSpy. Both are spyware... Researchers explain that ProSpy is a feature-rich spyware developed in Kotlin, and out of the 11 ProSpy samples obtained, the earliest was from August 2024.1Apr 13, 2026
ACTIVITY FEED

Recent activity

1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

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Target overlap

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Tradecraft mapping5

Every observed MITRE ATT&CK technique, grouped by tactic.

Malware arsenal2

Families this actor is known to deploy, with IOCs and behavior.

Exploited CVEs

CVEs this actor has used in known campaigns.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Observables

Domains, IPs, and hashes tied to this actor, refreshed continuously.