Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-10-2024 21:14

General

  • Target

    5968bd1843bca9ec5b655c9fdf219e8e_JaffaCakes118.exe

  • Size

    1.4MB

  • MD5

    5968bd1843bca9ec5b655c9fdf219e8e

  • SHA1

    c44f9696d0ff3ac324c549615fe06d52899e199b

  • SHA256

    f658e5db4dd562be92458a18a84e0713eb3ac9c7ae13f02767ee6ae0376efbb4

  • SHA512

    c252e3feabf3435fd8135d92d619ce5ee1e67e94ea59b10d54451dbb3985dd8ab6be750c4d539952f292691fc7678b83cfbc5828af4cc7c1db390ecd680bdd19

  • SSDEEP

    24576:Gu+mLlxpqrdJwkbVYG3HklghoOLGTEANNOIZauPVTOMUC:mElxYBJwwqGUl1kcEYauPV

Malware Config

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.

  • Executes dropped EXE 3 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5968bd1843bca9ec5b655c9fdf219e8e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5968bd1843bca9ec5b655c9fdf219e8e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4340
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\dhgp1cua.cmdline"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2320
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESBC99.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc19E8DDDEC429475693D6D8D024FA2234.TMP"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2856
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\5968bd1843bca9ec5b655c9fdf219e8e_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Microsoft\Windows\5968bd1843bca9ec5b655c9fdf219e8e_JaffaCakes118.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2520
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1812
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:1036
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2516
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:3472
      • C:\Windows\MSDCSC\msdos32.exe
        "C:\Windows\MSDCSC\msdos32.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1872
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\7ur4xoyl.cmdline"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3588
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
            C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESD968.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc7E2E86528C4A4B8A81B5B4A52BBFBE2B.TMP"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1576
        • C:\Users\Admin\AppData\Local\Microsoft\Windows\msdos32.exe
          C:\Users\Admin\AppData\Local\Microsoft\Windows\msdos32.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2768
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
            5⤵
              PID:2340
            • C:\Windows\explorer.exe
              "C:\Windows\explorer.exe"
              5⤵
                PID:4992

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\5968bd1843bca9ec5b655c9fdf219e8e_JaffaCakes118.exe

        Filesize

        1024B

        MD5

        54b1c45da8980b32759042e2c3c78dfb

        SHA1

        11e8bc2db98786c69e5dadf53d00ff3ee03d64f8

        SHA256

        9d5efce48ed68dcb4caaa7fbecaf47ce2cab0a023afc6ceed682d1d532823773

        SHA512

        73169989b97a032fe923272fbe4bc27be77e491d125b360120fc1e02419d99f807b1f62a3edaff85ebfd16e9c240ec295be9431cfe4d6c353f0cf0dbeec4d2ac

      • C:\Users\Admin\AppData\Local\Temp\7ur4xoyl.cmdline

        Filesize

        246B

        MD5

        1a7693832aa1669f56032ccddb51a8e6

        SHA1

        0cd4c00ca3423434583d9cf8cd8a26f7d0192b9e

        SHA256

        bc0dd8bcb5b812f282bf9a8c766d356a80ccfe2c223c689ce4290f8c4de32f42

        SHA512

        9f9ead08aea69ac8a512ec639b85b9f200d5bf8aa84a2fd00db2dcadc2fb3d731f22aaa2727919b03d9514b03d808335b2ba77bba5d2626c9be012b95d78fcec

      • C:\Users\Admin\AppData\Local\Temp\7ur4xoyl.dll

        Filesize

        6KB

        MD5

        4aa98f6ba0fd015f087da29889d02636

        SHA1

        5e1bf85d8d6d724b63a223a56075f5773d902652

        SHA256

        2a1f492b4f77689f11b47cedb5c3c592396ab30e8546250f2f770bbf450d3184

        SHA512

        65f23c95082fc13010f5d767124e4d8ed2a0d39b1891366a2c8244e2fe3e8a70cd883c18da51914045b5a10cbed4fbbafae6c0820ef375ea75745dba8f49472b

      • C:\Users\Admin\AppData\Local\Temp\RESBC99.tmp

        Filesize

        1KB

        MD5

        987900d0139e52713566fdcad28e7fd9

        SHA1

        48b08a492051b876119b3342baee9fe5387029ef

        SHA256

        3364e1f55eac49215ba92af0da7404f2b17fde0d89b6883a425c1be009365346

        SHA512

        8fd8cb8d9c0cff44ba3453b3745da5c538e96d036f03fd916d22a216aacd014104907dad9896f1bdb570e74e92c9bdbbdf06540720e7b6e3cd5472bad6ea9bf5

      • C:\Users\Admin\AppData\Local\Temp\RESD968.tmp

        Filesize

        1KB

        MD5

        81806a83051738fb498efd7472ef2a38

        SHA1

        71f368a64f53992991658629ba305c2e2a8dc3c7

        SHA256

        0347c56c4155e5e67c3ec99aaa33077c6bf13d7fc808ed594e03e520534f7a88

        SHA512

        19b27057819eac9545632cd1be3d194386e89fb096d47c8568e3078b260763b5204f072f733eb49d8c857e6c21d406aa509ce2ea3d3d688b45687f7c283e6c2e

      • C:\Users\Admin\AppData\Local\Temp\dhgp1cua.0.vb

        Filesize

        666B

        MD5

        a40f41925008597deb9a75218634e675

        SHA1

        146f93c94a7c3d84a4dbc1efeddd2aa0d7a5456d

        SHA256

        9e1b80bb2db37bfc093ff795c06f28d62ca0026cbe34ecdf674cb2effe3aef21

        SHA512

        b8aee23b2be41e8537daed7f528a2ad60a4303e541020bf639f56319ceec2b5c568c83ca90fe593549294a35cef8b107bd2c72bb2f6c2959b17e47110e4d744d

      • C:\Users\Admin\AppData\Local\Temp\dhgp1cua.cmdline

        Filesize

        246B

        MD5

        a8eaeb0aa86a5a0f32e2f21ed1b7a241

        SHA1

        cf4a89a12aae198a551106c72cfb9fcbcc262bba

        SHA256

        cfebfb1a12c713aad8ef1b90940749d8542bae32e97508717340e1ae3182b553

        SHA512

        c13a6f0a52629482b925efde5ce613539ba3549e45db8277d34346fb0ed51f8ca66897cbacb0d0b4615f322fc6d79791a26d6d67a44b1cf07ce523afce14026b

      • C:\Users\Admin\AppData\Local\Temp\dhgp1cua.dll

        Filesize

        6KB

        MD5

        03c4d9407647d769a4e6edd5317f206e

        SHA1

        16a2d17e329afc804c45c21ea29eb90739207009

        SHA256

        dce9ac1da0e8b5dc31b87f4a716cfff92ff41ae7f06e80225c4054a250dc3fe7

        SHA512

        f23d63a5894516a5765965f4969b961f196df46de638e2133e537bb123e879031062ab096ba6ab1a7b011be27c40ea2593466a3d13fa90b0f7b079eabbf3e146

      • C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat

        Filesize

        50B

        MD5

        b774ae3fb1da087e1f83b4f7b2060e5a

        SHA1

        97eb9be49ac3af9c851c9e1e84e32bfd53e325a8

        SHA256

        adaf4a84b41e410b02e261cfd0fe7739d98647eab73c3badd32ac6e39f26351b

        SHA512

        f75d0f95f7306d26a12b414bfe37b97fbd37546cb3c6e403def7077329ddffb4b45d5c5f0ba0e7bb6d72851d2d691b0a85267beead42f7cbf2e8c3d45a3b4701

      • C:\Users\Admin\AppData\Local\Temp\vbc19E8DDDEC429475693D6D8D024FA2234.TMP

        Filesize

        652B

        MD5

        6d31777e31eda63919dbef50b3e61e13

        SHA1

        40ff047844701a2af1daba1057ccc7f63db285d5

        SHA256

        63523fe869b2a0fe6d085f4139fa5dca402c92b3e93cd32df5ba125c97001318

        SHA512

        c2943c04111259bdab1743d0280b9ac688ecd79700cf589c248bd66e368a06026fc5ac7e0d7a58d045463dc5809b5b20d0930d194d5ab9704032a6b4f08ab3c9

      • C:\Users\Admin\AppData\Local\Temp\vbc7E2E86528C4A4B8A81B5B4A52BBFBE2B.TMP

        Filesize

        652B

        MD5

        89e93ba154797876122b9b9171d4c3e4

        SHA1

        b8d7236f2bca3603ef23347530a8bc39413093ad

        SHA256

        e071fb92f4d0fddabd6e2d494e7c06b28ca021aa3ebdcd9936e95df0fa11c50b

        SHA512

        f0890485264e21e738d9892c44c6d9529bcb2fde53cbbd9b6f4f8ba55550b943f10e865c75dc02b0025379d76fae7f9d686f0a7cf682b6260453a77cc32f0ee5

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

        MD5

        d41d8cd98f00b204e9800998ecf8427e

        SHA1

        da39a3ee5e6b4b0d3255bfef95601890afd80709

        SHA256

        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

        SHA512

        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      • C:\Windows\MSDCSC\msdos32.exe

        Filesize

        1.4MB

        MD5

        5968bd1843bca9ec5b655c9fdf219e8e

        SHA1

        c44f9696d0ff3ac324c549615fe06d52899e199b

        SHA256

        f658e5db4dd562be92458a18a84e0713eb3ac9c7ae13f02767ee6ae0376efbb4

        SHA512

        c252e3feabf3435fd8135d92d619ce5ee1e67e94ea59b10d54451dbb3985dd8ab6be750c4d539952f292691fc7678b83cfbc5828af4cc7c1db390ecd680bdd19

      • memory/2320-16-0x0000000074870000-0x0000000074E21000-memory.dmp

        Filesize

        5.7MB

      • memory/2320-7-0x0000000074870000-0x0000000074E21000-memory.dmp

        Filesize

        5.7MB

      • memory/2520-23-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2520-26-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2520-30-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2520-32-0x00000000022A0000-0x00000000022A1000-memory.dmp

        Filesize

        4KB

      • memory/2520-102-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2520-28-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-141-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-136-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-148-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-147-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-128-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-131-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-130-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-133-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-134-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-132-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-135-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-146-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-137-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-138-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-139-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-140-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-145-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-142-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-143-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/2768-144-0x0000000000400000-0x00000000004DB000-memory.dmp

        Filesize

        876KB

      • memory/4340-31-0x0000000074870000-0x0000000074E21000-memory.dmp

        Filesize

        5.7MB

      • memory/4340-0-0x0000000074872000-0x0000000074873000-memory.dmp

        Filesize

        4KB

      • memory/4340-1-0x0000000074870000-0x0000000074E21000-memory.dmp

        Filesize

        5.7MB

      • memory/4340-2-0x0000000074870000-0x0000000074E21000-memory.dmp

        Filesize

        5.7MB