MALICIOUS — 581f71d167754bfe7b041dc11367c8a4f7be1c74fe9c6c37d0f9534b1c347df6

MALICIOUS — 581f71d167754bfe7b041dc11367c8a4f7be1c74fe9c6c37d0f9534b1c347df6 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (93/100), attributed to the Mbrlock family. 6 of 52 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 581f71d167754bfe7b041dc11367c8a4f7be1c74fe9c6c37d0f9534b1c347df6
• SHA-1: d5d5e70adb5d0bef03c279306b1787eeca1d54b2
• MD5: 2b552dfb91062f09ad2fd8faae97963a
• imphash: 8d08b9aff260461badc1821f4f717247
• ssdeep: 393216:dg7u/g7uwg7u/g7uwg7u/g7uwg7u/g7uc:2SoS9SoS9SoS9SoSc
• TLSH: T1EC71137E130B7403DE3AD62554862FCD0463BCAD507D5888553B84BE93F6CEB27806AA
• Submitted as: 581f71d167754bfe7b041dc11367c8a4f7be1c74fe9c6c37d0f9534b1c347df6
• File type: pe · Size: 18677760 bytes
• Verdict: malicious (93/100) · Family: Mbrlock

Detections (6 of 52 engines)

• capa (capabilities): capability:collection/keylog
• ClamAV (daily): Win.Trojan.Mbrlock-9779766-0
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• Microsoft Defender: Trojan:Win32/Blocker.EM!MTB
• Emsisoft (Emergency Kit): Gen:Variant.Genie.689
• Kaspersky (KVRT): Trojan-Ransom.Win32.Blocker.rdbz

MITRE ATT&CK

• T1056.001

Why this verdict

The malicious score of 93/100 is the fusion of 3 weighted signals:

• ClamAV (daily) flagged Win.Trojan.Mbrlock-9779766-0 (rule Win.Trojan.Mbrlock-9779766-0) - engine signal, weight 0.90, confidence 0.95
• capture keystrokes (rule capture keystrokes) - capa signal, weight 0.40, confidence 0.80
• YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70

Dynamic analysis

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

Embedded domains

• hb.za

File paths

• B:\:t:
• X:\:`:d:h:l:p:t:
• X:\:`:d:h:l:p:t:x:
• J:\:`:d:h:
• I:\ba

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report