Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-10-2024 07:19

General

  • Target

    4be3d9b5d37faa8dc625e4c2a025cffd_JaffaCakes118.exe

  • Size

    277KB

  • MD5

    4be3d9b5d37faa8dc625e4c2a025cffd

  • SHA1

    6af3e68d38498007827e537801cd1a0fc7208a29

  • SHA256

    19620bb62f73fa37f89054d0007aad524554e714c49ce69ebc890a6ac0a47bb2

  • SHA512

    26e19493c4096f3eca6cc660bd162aad222d346441c1e1964e46e8f2991e17f22318a3c23dd4682fce6796525134349ad44830e09a8d78e54f153a50d4d14200

  • SSDEEP

    6144:+S6Xzj+g85J74+GD0SzLTGwwCxHQ7Nva9A8X26vnQmPVfk3OAi:+SuBuReDL6nSwlS26PQmP5

Malware Config

Extracted

Family

darkcomet

Botnet

Slave1

C2

egyownsyou.no-ip.biz:200

Mutex

DC_MUTEX-WLKK6C0

Attributes
  • gencode

    WMf3ikzBCSwG

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4be3d9b5d37faa8dc625e4c2a025cffd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4be3d9b5d37faa8dc625e4c2a025cffd_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2600
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\AFEE.tmp\KeepThis.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2308
      • C:\Users\Admin\AppData\Local\Temp\testserv.exe
        testserv.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: CmdExeWriteProcessMemorySpam
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2312
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\testserv.exe" +s +h
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2752
          • C:\Windows\SysWOW64\attrib.exe
            attrib "C:\Users\Admin\AppData\Local\Temp\testserv.exe" +s +h
            5⤵
            • Sets file to hidden
            • System Location Discovery: System Language Discovery
            • Views/modifies file attributes
            PID:2548
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2216
          • C:\Windows\SysWOW64\attrib.exe
            attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
            5⤵
            • Sets file to hidden
            • System Location Discovery: System Language Discovery
            • Views/modifies file attributes
            PID:2796
        • C:\Windows\SysWOW64\notepad.exe
          notepad
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\AFEE.tmp\KeepThis.bat

    Filesize

    43B

    MD5

    77ea64193ae1c51193a55b57386ea623

    SHA1

    67d532e65dd7f135c11a13bd74330a7b0c2065bc

    SHA256

    7ae347de776930ceca3473f844612de9f434d295247b19bf0ba65d0bc1b71f23

    SHA512

    c0738a6aa2356f2ca2b7c5160a2544149978314a0f80112c08e319dde9a4bc608f46e7672be4e2fc48944fe431333a66268eac223b29f7e10f5eea2556eca348

  • C:\Users\Admin\AppData\Local\Temp\testserv.exe

    Filesize

    658KB

    MD5

    8c352c5702cfdfd4edefc57f712767c6

    SHA1

    5f0cc07bdebdd1dbff0afd172c37e1d4e2c42dff

    SHA256

    001e90fba6427cad65c15677c5fce2dd6e9918f17832404b4b6f01fd5f0394b1

    SHA512

    d4931f51c1036d8436fae3db8d4ec68d74bd0346d122feeecc5b9ec78cb06b2979bcc1cded9e923bf4697b04e8cd61089260bda69c0b99423a2ec78f51d93715

  • memory/2312-21-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2312-48-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2312-50-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2312-52-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2600-0-0x0000000140000000-0x00000001400BB000-memory.dmp

    Filesize

    748KB

  • memory/2600-20-0x0000000140000000-0x00000001400BB000-memory.dmp

    Filesize

    748KB

  • memory/2644-22-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2644-47-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB