General

  • Target

    d952bdc073ff3deb4bcc3cb96cbacd01.bin

  • Size

    708KB

  • Sample

    220810-hjr6fsgdb5

  • MD5

    d952bdc073ff3deb4bcc3cb96cbacd01

  • SHA1

    6d283b4acf37dcea8d9f62cf09ddf5deb5c6c5cd

  • SHA256

    1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d

  • SHA512

    19781a2787e53c89d7006aba1f68047fabaf74e18d13b081df18498a677d68518a62c8c41d21770999ef770a89ae88a7bdc0b8dcc197262b109b24160d974974

Malware Config

Extracted

Family

colibri

Version

1.2.0

Botnet

Build1

C2

http://zpltcmgodhvvedxtfcygvbgjkvgvcguygytfigj.cc/gate.php

http://yugyuvyugguitgyuigtfyutdtoghghbbgyv.cx/gate.php

Targets

    • Target

      d952bdc073ff3deb4bcc3cb96cbacd01.bin

    • Size

      708KB

    • MD5

      d952bdc073ff3deb4bcc3cb96cbacd01

    • SHA1

      6d283b4acf37dcea8d9f62cf09ddf5deb5c6c5cd

    • SHA256

      1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d

    • SHA512

      19781a2787e53c89d7006aba1f68047fabaf74e18d13b081df18498a677d68518a62c8c41d21770999ef770a89ae88a7bdc0b8dcc197262b109b24160d974974

    • Colibri Loader

      A loader sold as MaaS first seen in August 2021.

    • Executes dropped EXE

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks