Analysis

  • max time kernel
    18s
  • max time network
    19s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-04-2024 16:56

General

  • Target

    Anubis 2.5 ( Android Banking Botnet ) Panel + APK file.exe

  • Size

    268KB

  • MD5

    58d328c859ed26102d84959e95de9bca

  • SHA1

    d40750fd353b093a0418b167eccd4c2124c64594

  • SHA256

    71e944842708dde91a617790c517a3295db2ea867f894c4f465bfee2977fbe38

  • SHA512

    8818c5f35e86d902e59d16a8bc945038e6eec4fabb442fd5c015d617c7150e56c71717a199fa82f4c08d8e9d9181fdf23f0ddba83d734e6f2c5e40a00a17565e

  • SSDEEP

    6144:rcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37PpdHQd:rcW7KEZlPzCy37Rde

Malware Config

Extracted

Family

darkcomet

Botnet

ip

C2

kvejo991.ddns.net:1604

Mutex

DC_MUTEX-B1GXAHA

Attributes
  • InstallPath

    winlogon.exe

  • gencode

    w3TGdlYWXTQL

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    windows

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Anubis 2.5 ( Android Banking Botnet ) Panel + APK file.exe
    "C:\Users\Admin\AppData\Local\Temp\Anubis 2.5 ( Android Banking Botnet ) Panel + APK file.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1180
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\Anubis 2.5 ( Android Banking Botnet ) Panel + APK file.exe" +s +h
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2532
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp\Anubis 2.5 ( Android Banking Botnet ) Panel + APK file.exe" +s +h
        3⤵
        • Sets file to hidden
        • Views/modifies file attributes
        PID:820
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4820
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • Sets file to hidden
        • Views/modifies file attributes
        PID:4368
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Deletes itself
      PID:2164
    • C:\Users\Admin\AppData\Roaming\winlogon.exe
      "C:\Users\Admin\AppData\Roaming\winlogon.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2984
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
          PID:1248

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\winlogon.exe

      Filesize

      268KB

      MD5

      58d328c859ed26102d84959e95de9bca

      SHA1

      d40750fd353b093a0418b167eccd4c2124c64594

      SHA256

      71e944842708dde91a617790c517a3295db2ea867f894c4f465bfee2977fbe38

      SHA512

      8818c5f35e86d902e59d16a8bc945038e6eec4fabb442fd5c015d617c7150e56c71717a199fa82f4c08d8e9d9181fdf23f0ddba83d734e6f2c5e40a00a17565e

    • memory/1180-0-0x0000000000400000-0x00000000004C0000-memory.dmp

      Filesize

      768KB

    • memory/1180-1-0x0000000000B20000-0x0000000000B21000-memory.dmp

      Filesize

      4KB

    • memory/1180-66-0x0000000000400000-0x00000000004C0000-memory.dmp

      Filesize

      768KB

    • memory/1248-65-0x0000000000880000-0x0000000000881000-memory.dmp

      Filesize

      4KB

    • memory/2164-4-0x00000000005C0000-0x00000000005C1000-memory.dmp

      Filesize

      4KB

    • memory/2984-63-0x0000000000400000-0x00000000004C0000-memory.dmp

      Filesize

      768KB

    • memory/2984-64-0x0000000000590000-0x0000000000591000-memory.dmp

      Filesize

      4KB

    • memory/2984-68-0x0000000000400000-0x00000000004C0000-memory.dmp

      Filesize

      768KB