Overview

overview

10

Static

static

3

b026a4ecfe...0N.exe

windows7-x64

10

b026a4ecfe...0N.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    b026a4ecfe2b95b153f91b7c0c854200N

  • Size

    4.9MB

  • Sample

    240912-dph3hsyckq

  • MD5

    b026a4ecfe2b95b153f91b7c0c854200

  • SHA1

    687a6bfae0785206cdd4577755626d046e844015

  • SHA256

    ca018a6c42cbcff62953c8df1a288d315d86f182876a8037b41d02a604e2191f

  • SHA512

    0afebbee95f50178db721ecb1f4aca644d9357d6ac9a7825ac775f83372fb9c0b7a56878f94dbe08e5d48bd0fe566cabc4f9b4195c218d1ff48aef3c22853388

  • SSDEEP

    49152:bl5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8E:

Score
10/10
colibridcratbuild1discoveryevasionexecutioninfostealerloaderrattrojan

Malware Config

Extracted

Family

colibri

Version

1.2.0

Botnet

Build1

C2

http://zpltcmgodhvvedxtfcygvbgjkvgvcguygytfigj.cc/gate.php

http://yugyuvyugguitgyuigtfyutdtoghghbbgyv.cx/gate.php
rc4.plain

Targets

    • Target

      b026a4ecfe2b95b153f91b7c0c854200N

    • Size

      4.9MB

    • MD5

      b026a4ecfe2b95b153f91b7c0c854200

    • SHA1

      687a6bfae0785206cdd4577755626d046e844015

    • SHA256

      ca018a6c42cbcff62953c8df1a288d315d86f182876a8037b41d02a604e2191f

    • SHA512

      0afebbee95f50178db721ecb1f4aca644d9357d6ac9a7825ac775f83372fb9c0b7a56878f94dbe08e5d48bd0fe566cabc4f9b4195c218d1ff48aef3c22853388

    • SSDEEP

      49152:bl5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8E:

    Score
    10/10
    dcratevasionexecutioninfostealerrattrojancolibribuild1discoveryloader

    • 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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks