Overview

overview

10

Static

static

10

2e7e6e2f4d...fb.exe

windows7_x64

10

2e7e6e2f4d...fb.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    131s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 23:25

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General

  • Target

    2e7e6e2f4dfb425726c2c3a9712e3b4a37ff986181abc29c22d638bbd7b2a6fb.exe

  • Size

    252KB

  • MD5

    4d254669a3288a023310caae738470c8

  • SHA1

    5ed0204f0ee83c1129119de8538c28131cb11d4c

  • SHA256

    2e7e6e2f4dfb425726c2c3a9712e3b4a37ff986181abc29c22d638bbd7b2a6fb

  • SHA512

    c285948dd5148de045e695903f36fc4ca894ca4dfedb1d49ee322c8acc90729238b69fb5b4f08124bda7bf709dd4f1fc4d2390aff7ddab6193ec4ec87cfcfaf6

Score
10/10
darkcometevasionpersistencerattrojanupx

Malware Config

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    trojanratdarkcomet
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Modifies security service 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs
    evasiontrojan
  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Loads dropped DLL 2 IoCs
  • Windows security modification 2 TTPs 2 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 3 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\2e7e6e2f4dfb425726c2c3a9712e3b4a37ff986181abc29c22d638bbd7b2a6fb.exe
    "C:\Users\Admin\AppData\Local\Temp\2e7e6e2f4dfb425726c2c3a9712e3b4a37ff986181abc29c22d638bbd7b2a6fb.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:272
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      2⤵
      • Modifies security service
      • Executes dropped EXE
      • Windows security modification
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:1164

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

6
T1112

Disabling Security Tools

2
T1089

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    Filesize

    252KB

    MD5

    4d254669a3288a023310caae738470c8

    SHA1

    5ed0204f0ee83c1129119de8538c28131cb11d4c

    SHA256

    2e7e6e2f4dfb425726c2c3a9712e3b4a37ff986181abc29c22d638bbd7b2a6fb

    SHA512

    c285948dd5148de045e695903f36fc4ca894ca4dfedb1d49ee322c8acc90729238b69fb5b4f08124bda7bf709dd4f1fc4d2390aff7ddab6193ec4ec87cfcfaf6

    Download Submit
  • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    Filesize

    252KB

    MD5

    4d254669a3288a023310caae738470c8

    SHA1

    5ed0204f0ee83c1129119de8538c28131cb11d4c

    SHA256

    2e7e6e2f4dfb425726c2c3a9712e3b4a37ff986181abc29c22d638bbd7b2a6fb

    SHA512

    c285948dd5148de045e695903f36fc4ca894ca4dfedb1d49ee322c8acc90729238b69fb5b4f08124bda7bf709dd4f1fc4d2390aff7ddab6193ec4ec87cfcfaf6

    Download Submit
  • \Users\Admin\Documents\MSDCSC\msdcsc.exe
    Filesize

    252KB

    MD5

    4d254669a3288a023310caae738470c8

    SHA1

    5ed0204f0ee83c1129119de8538c28131cb11d4c

    SHA256

    2e7e6e2f4dfb425726c2c3a9712e3b4a37ff986181abc29c22d638bbd7b2a6fb

    SHA512

    c285948dd5148de045e695903f36fc4ca894ca4dfedb1d49ee322c8acc90729238b69fb5b4f08124bda7bf709dd4f1fc4d2390aff7ddab6193ec4ec87cfcfaf6

    Download Submit
  • \Users\Admin\Documents\MSDCSC\msdcsc.exe
    Filesize

    252KB

    MD5

    4d254669a3288a023310caae738470c8

    SHA1

    5ed0204f0ee83c1129119de8538c28131cb11d4c

    SHA256

    2e7e6e2f4dfb425726c2c3a9712e3b4a37ff986181abc29c22d638bbd7b2a6fb

    SHA512

    c285948dd5148de045e695903f36fc4ca894ca4dfedb1d49ee322c8acc90729238b69fb5b4f08124bda7bf709dd4f1fc4d2390aff7ddab6193ec4ec87cfcfaf6

    Download Submit
  • memory/272-54-0x0000000075951000-0x0000000075953000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1164-57-0x0000000000000000-mapping.dmp
    Download