Overview

overview

10

Static

static

2c84169bc3...1c.exe

windows7-x64

10

2c84169bc3...1c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2c84169bc39cd8d6dd403fcec377131c.exe

  • Size

    4.9MB

  • Sample

    221015-fhdwbsfbh3

  • MD5

    2c84169bc39cd8d6dd403fcec377131c

  • SHA1

    e2ea0fbe34f84d748745bb558414ebb829ed7031

  • SHA256

    8cf64f5d90065639f894f78a334386f75ffe99f8c41b05b2f03cf0a5438b9276

  • SHA512

    8a22ed9e6c98331663c291b9bb7b824a5bbb2a7f37c2ccc5e2b4afeafda9a8e5c1f44186b879bda7d850df975f6b1aba1c547ebe651decfe4fb8897de906ede5

  • SSDEEP

    49152:jl5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8E:

Score
10/10
colibridcratbuild1evasioninfostealerloaderrattrojan

Malware Config

Extracted

Family

colibri

Version

1.2.0

Botnet

Build1

C2

http://zpltcmgodhvvedxtfcygvbgjkvgvcguygytfigj.cc/gate.php

http://yugyuvyugguitgyuigtfyutdtoghghbbgyv.cx/gate.php

Targets

    • Target

      2c84169bc39cd8d6dd403fcec377131c.exe

    • Size

      4.9MB

    • MD5

      2c84169bc39cd8d6dd403fcec377131c

    • SHA1

      e2ea0fbe34f84d748745bb558414ebb829ed7031

    • SHA256

      8cf64f5d90065639f894f78a334386f75ffe99f8c41b05b2f03cf0a5438b9276

    • SHA512

      8a22ed9e6c98331663c291b9bb7b824a5bbb2a7f37c2ccc5e2b4afeafda9a8e5c1f44186b879bda7d850df975f6b1aba1c547ebe651decfe4fb8897de906ede5

    • SSDEEP

      49152:jl5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8E:

    Score
    10/10
    dcratevasioninfostealerrattrojancolibribuild1loader

    • Colibri Loader

      A loader sold as MaaS first seen in August 2021.

      loadercolibri

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

      evasiontrojan

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Executes dropped EXE

    • Checks computer location settings

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

    • Checks whether UAC is enabled

      evasiontrojan

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Bypass User Account Control

1
T1088

Scheduled Task

1
T1053

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks