Overview

overview

10

Static

static

83970b7564...e4.exe

windows7-x64

8

83970b7564...e4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    83970b7564a4bb507d9d764a747bb4e4.exe

  • Size

    433KB

  • Sample

    220831-hzc2gacbh7

  • MD5

    83970b7564a4bb507d9d764a747bb4e4

  • SHA1

    baa8dec2502aa980085a0472a6c122bd4af64ea6

  • SHA256

    9d33270d80f2ba9d898b0b646dbaade5e1ad2de477e58cfcce74272d60a7473d

  • SHA512

    251ddb825041332e89c5edb3fab35a2210f0f0ac6b8868872a44c9d731da446b960ba114226b2bafe71dc85a4c20d1122757660f6f1abd0ecd1821e598a6177b

  • SSDEEP

    6144:5Llcs/PqcPPee+4DEZqVUMzuh3AdfLZUwIHccPyOz2bLNARo4ol8FzInD3:3yo4BAdtUwIHfyOuLNmonOBID3

Score
10/10
colibribuild1loaderpersistence

Malware Config

Extracted

Family

colibri

Version

1.2.0

Botnet

Build1

C2

http://zpltcmgodhvvedxtfcygvbgjkvgvcguygytfigj.cc/gate.php

http://yugyuvyugguitgyuigtfyutdtoghghbbgyv.cx/gate.php

Targets

    • Target

      83970b7564a4bb507d9d764a747bb4e4.exe

    • Size

      433KB

    • MD5

      83970b7564a4bb507d9d764a747bb4e4

    • SHA1

      baa8dec2502aa980085a0472a6c122bd4af64ea6

    • SHA256

      9d33270d80f2ba9d898b0b646dbaade5e1ad2de477e58cfcce74272d60a7473d

    • SHA512

      251ddb825041332e89c5edb3fab35a2210f0f0ac6b8868872a44c9d731da446b960ba114226b2bafe71dc85a4c20d1122757660f6f1abd0ecd1821e598a6177b

    • SSDEEP

      6144:5Llcs/PqcPPee+4DEZqVUMzuh3AdfLZUwIHccPyOz2bLNARo4ol8FzInD3:3yo4BAdtUwIHfyOuLNmonOBID3

    Score
    10/10
    persistencecolibribuild1loader

    • Colibri Loader

      A loader sold as MaaS first seen in August 2021.

      loadercolibri

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks