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Analysis

  • max time kernel
    13s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20230621-en
  • resource tags

    arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
  • submitted
    04/07/2023, 15:12

General

  • Target

    easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe

  • Size

    658KB

  • MD5

    1878bc4d675f08aa10ffcd1a4e1026da

  • SHA1

    00e8481171e260dd7993cd3e78c7d2540b4b62b7

  • SHA256

    7c991d5219b23477c29613b3885640c1ba5a3c10c18965eb81f52f560339855c

  • SHA512

    b27123cb226fec538a5e344017a3229398006f5ff09f30588ddc64c826678e9a4f43b1631cbb935c5f88bbf127a77a86c3f776f31d4cb92ffa7c35432bcc2b24

  • SSDEEP

    12288:O9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyFh:aiBIGkbxqEcjsWiDxguehC2SG

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

192.168.0.2:1604

Mutex

DCMIN_MUTEX-G5WFLF3

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    mWmDvgFKEV9i

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
    "C:\Users\Admin\AppData\Local\Temp\easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1512
    • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
      "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1124

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

    Filesize

    658KB

    MD5

    1878bc4d675f08aa10ffcd1a4e1026da

    SHA1

    00e8481171e260dd7993cd3e78c7d2540b4b62b7

    SHA256

    7c991d5219b23477c29613b3885640c1ba5a3c10c18965eb81f52f560339855c

    SHA512

    b27123cb226fec538a5e344017a3229398006f5ff09f30588ddc64c826678e9a4f43b1631cbb935c5f88bbf127a77a86c3f776f31d4cb92ffa7c35432bcc2b24

  • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

    Filesize

    658KB

    MD5

    1878bc4d675f08aa10ffcd1a4e1026da

    SHA1

    00e8481171e260dd7993cd3e78c7d2540b4b62b7

    SHA256

    7c991d5219b23477c29613b3885640c1ba5a3c10c18965eb81f52f560339855c

    SHA512

    b27123cb226fec538a5e344017a3229398006f5ff09f30588ddc64c826678e9a4f43b1631cbb935c5f88bbf127a77a86c3f776f31d4cb92ffa7c35432bcc2b24

  • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

    Filesize

    658KB

    MD5

    1878bc4d675f08aa10ffcd1a4e1026da

    SHA1

    00e8481171e260dd7993cd3e78c7d2540b4b62b7

    SHA256

    7c991d5219b23477c29613b3885640c1ba5a3c10c18965eb81f52f560339855c

    SHA512

    b27123cb226fec538a5e344017a3229398006f5ff09f30588ddc64c826678e9a4f43b1631cbb935c5f88bbf127a77a86c3f776f31d4cb92ffa7c35432bcc2b24

  • \Users\Admin\Documents\DCSCMIN\IMDCSC.exe

    Filesize

    658KB

    MD5

    1878bc4d675f08aa10ffcd1a4e1026da

    SHA1

    00e8481171e260dd7993cd3e78c7d2540b4b62b7

    SHA256

    7c991d5219b23477c29613b3885640c1ba5a3c10c18965eb81f52f560339855c

    SHA512

    b27123cb226fec538a5e344017a3229398006f5ff09f30588ddc64c826678e9a4f43b1631cbb935c5f88bbf127a77a86c3f776f31d4cb92ffa7c35432bcc2b24

  • \Users\Admin\Documents\DCSCMIN\IMDCSC.exe

    Filesize

    658KB

    MD5

    1878bc4d675f08aa10ffcd1a4e1026da

    SHA1

    00e8481171e260dd7993cd3e78c7d2540b4b62b7

    SHA256

    7c991d5219b23477c29613b3885640c1ba5a3c10c18965eb81f52f560339855c

    SHA512

    b27123cb226fec538a5e344017a3229398006f5ff09f30588ddc64c826678e9a4f43b1631cbb935c5f88bbf127a77a86c3f776f31d4cb92ffa7c35432bcc2b24

  • memory/1124-65-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/1124-67-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1512-64-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/1512-66-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB