Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 10:02

General

  • Target

    0ed85fa7d62a79306a7e52a321de3d1880afd9ef5ba376569f528e7f52047f25.exe

  • Size

    2.7MB

  • MD5

    84bf54351957e900ffed47bec794bad7

  • SHA1

    99c2985eec7c242cc0b574138af08ae2f2d9c0ac

  • SHA256

    0ed85fa7d62a79306a7e52a321de3d1880afd9ef5ba376569f528e7f52047f25

  • SHA512

    aafcfb2c36eb42b5e52d26c88a4e004bb89a1127a04714c245bdd09ad49d22f3bcfdbaf42aeed4d9932646e39422d66605149e858a4f35c9e8f59270e6751ba2

  • SSDEEP

    49152:bkwkn9IMHeae6S5VuaVP1L3TQ/8hdROmzdL0zy4tEwdHO5BIPbSj+XC2Qg9aPCS:IdnV5MVuQt7TQEh7OmJxw0MPWj+XC2FL

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

verydark25.no-ip.biz:100

Mutex

DCMIN_MUTEX-QPZZXFD

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    0GZSgZY5XLqM

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    Chrome Updater

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 4 IoCs
  • Loads dropped DLL 13 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • AutoIT Executable 19 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0ed85fa7d62a79306a7e52a321de3d1880afd9ef5ba376569f528e7f52047f25.exe
    "C:\Users\Admin\AppData\Local\Temp\0ed85fa7d62a79306a7e52a321de3d1880afd9ef5ba376569f528e7f52047f25.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Users\Admin\AppData\Local\Temp\613\613.exe
      "C:\Users\Admin\AppData\Local\Temp\613\613.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1712
      • C:\Users\Admin\AppData\Local\Temp\613\613.exe
        "C:\Users\Admin\AppData\Local\Temp\613\613.exe"
        3⤵
        • Modifies WinLogon for persistence
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1688
        • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
          "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:916
          • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
            "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
            5⤵
            • Executes dropped EXE
            PID:1068
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 916 -s 372
            5⤵
            • Loads dropped DLL
            • Program crash
            PID:748

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\613\613.exe

    Filesize

    1.5MB

    MD5

    e3db605b6b773ae7ed7fe8596abae583

    SHA1

    2b573adfe3e3a2edc68936a3e864d7a9a909f12d

    SHA256

    53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

    SHA512

    a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

  • C:\Users\Admin\AppData\Local\Temp\613\613.exe

    Filesize

    1.5MB

    MD5

    e3db605b6b773ae7ed7fe8596abae583

    SHA1

    2b573adfe3e3a2edc68936a3e864d7a9a909f12d

    SHA256

    53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

    SHA512

    a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

  • C:\Users\Admin\AppData\Local\Temp\613\613.exe

    Filesize

    1.5MB

    MD5

    e3db605b6b773ae7ed7fe8596abae583

    SHA1

    2b573adfe3e3a2edc68936a3e864d7a9a909f12d

    SHA256

    53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

    SHA512

    a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

  • C:\Users\Admin\AppData\Local\Temp\res.ico

    Filesize

    658KB

    MD5

    07c4d7f2b2cfa8ab7b39a250429bfa78

    SHA1

    dc0e4ca81efbef25aa53d08dbc7fd24008b790b9

    SHA256

    0076395fd58ddcfaa73dcce59a05eb3b45d7116f671f32b5077846bddf3c16b2

    SHA512

    2a806c450f58e3e583f956a0c4a756e71a87c9e6ebce12d9ff5fa01f5724ee5823f22183d73ca0cba5fed772139c576bdf883b237f3b8897fc5264cdc68aa005

  • C:\Users\Admin\AppData\Local\Temp\res.ico2

    Filesize

    658KB

    MD5

    07c4d7f2b2cfa8ab7b39a250429bfa78

    SHA1

    dc0e4ca81efbef25aa53d08dbc7fd24008b790b9

    SHA256

    0076395fd58ddcfaa73dcce59a05eb3b45d7116f671f32b5077846bddf3c16b2

    SHA512

    2a806c450f58e3e583f956a0c4a756e71a87c9e6ebce12d9ff5fa01f5724ee5823f22183d73ca0cba5fed772139c576bdf883b237f3b8897fc5264cdc68aa005

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

    Filesize

    1.5MB

    MD5

    e3db605b6b773ae7ed7fe8596abae583

    SHA1

    2b573adfe3e3a2edc68936a3e864d7a9a909f12d

    SHA256

    53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

    SHA512

    a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

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

    Filesize

    1.5MB

    MD5

    e3db605b6b773ae7ed7fe8596abae583

    SHA1

    2b573adfe3e3a2edc68936a3e864d7a9a909f12d

    SHA256

    53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

    SHA512

    a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

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

    Filesize

    1.5MB

    MD5

    e3db605b6b773ae7ed7fe8596abae583

    SHA1

    2b573adfe3e3a2edc68936a3e864d7a9a909f12d

    SHA256

    53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

    SHA512

    a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

  • \Users\Admin\AppData\Local\Temp\613\613.exe

    Filesize

    1.5MB

    MD5

    e3db605b6b773ae7ed7fe8596abae583

    SHA1

    2b573adfe3e3a2edc68936a3e864d7a9a909f12d

    SHA256

    53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

    SHA512

    a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

  • \Users\Admin\AppData\Local\Temp\613\613.exe

    Filesize

    1.5MB

    MD5

    e3db605b6b773ae7ed7fe8596abae583

    SHA1

    2b573adfe3e3a2edc68936a3e864d7a9a909f12d

    SHA256

    53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

    SHA512

    a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

  • \Users\Admin\AppData\Local\Temp\613\613.exe

    Filesize

    1.5MB

    MD5

    e3db605b6b773ae7ed7fe8596abae583

    SHA1

    2b573adfe3e3a2edc68936a3e864d7a9a909f12d

    SHA256

    53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

    SHA512

    a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

  • \Users\Admin\AppData\Local\Temp\613\613.exe

    Filesize

    1.5MB

    MD5

    e3db605b6b773ae7ed7fe8596abae583

    SHA1

    2b573adfe3e3a2edc68936a3e864d7a9a909f12d

    SHA256

    53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

    SHA512

    a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

  • \Users\Admin\AppData\Local\Temp\613\613.exe

    Filesize

    1.5MB

    MD5

    e3db605b6b773ae7ed7fe8596abae583

    SHA1

    2b573adfe3e3a2edc68936a3e864d7a9a909f12d

    SHA256

    53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

    SHA512

    a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

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

    Filesize

    1.5MB

    MD5

    e3db605b6b773ae7ed7fe8596abae583

    SHA1

    2b573adfe3e3a2edc68936a3e864d7a9a909f12d

    SHA256

    53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

    SHA512

    a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

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

    Filesize

    1.5MB

    MD5

    e3db605b6b773ae7ed7fe8596abae583

    SHA1

    2b573adfe3e3a2edc68936a3e864d7a9a909f12d

    SHA256

    53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

    SHA512

    a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

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

    Filesize

    1.5MB

    MD5

    e3db605b6b773ae7ed7fe8596abae583

    SHA1

    2b573adfe3e3a2edc68936a3e864d7a9a909f12d

    SHA256

    53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

    SHA512

    a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

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

    Filesize

    1.5MB

    MD5

    e3db605b6b773ae7ed7fe8596abae583

    SHA1

    2b573adfe3e3a2edc68936a3e864d7a9a909f12d

    SHA256

    53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

    SHA512

    a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

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

    Filesize

    1.5MB

    MD5

    e3db605b6b773ae7ed7fe8596abae583

    SHA1

    2b573adfe3e3a2edc68936a3e864d7a9a909f12d

    SHA256

    53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

    SHA512

    a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

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

    Filesize

    1.5MB

    MD5

    e3db605b6b773ae7ed7fe8596abae583

    SHA1

    2b573adfe3e3a2edc68936a3e864d7a9a909f12d

    SHA256

    53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

    SHA512

    a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

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

    Filesize

    1.5MB

    MD5

    e3db605b6b773ae7ed7fe8596abae583

    SHA1

    2b573adfe3e3a2edc68936a3e864d7a9a909f12d

    SHA256

    53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

    SHA512

    a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

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

    Filesize

    1.5MB

    MD5

    e3db605b6b773ae7ed7fe8596abae583

    SHA1

    2b573adfe3e3a2edc68936a3e864d7a9a909f12d

    SHA256

    53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

    SHA512

    a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

  • memory/748-81-0x0000000000000000-mapping.dmp

  • memory/916-73-0x0000000000000000-mapping.dmp

  • memory/1688-77-0x00000000000C0000-0x0000000000172000-memory.dmp

    Filesize

    712KB

  • memory/1688-71-0x00000000000C0000-0x0000000000172000-memory.dmp

    Filesize

    712KB

  • memory/1688-69-0x00000000000C0000-0x0000000000172000-memory.dmp

    Filesize

    712KB

  • memory/1688-67-0x000000000014F888-mapping.dmp

  • memory/1688-66-0x00000000000C0000-0x0000000000172000-memory.dmp

    Filesize

    712KB

  • memory/1688-64-0x00000000000C0000-0x0000000000172000-memory.dmp

    Filesize

    712KB

  • memory/1712-59-0x0000000000000000-mapping.dmp

  • memory/1752-54-0x0000000076261000-0x0000000076263000-memory.dmp

    Filesize

    8KB