Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 09:36

General

  • Target

    9dd6a382a4b8e3295ed977f1cc176c0a_JaffaCakes118.exe

  • Size

    1.9MB

  • MD5

    9dd6a382a4b8e3295ed977f1cc176c0a

  • SHA1

    cd990deea4530f113c617b9cda0eeea7ada9170e

  • SHA256

    7910fea09618fde1ba6c2e3ea088de50109e685d20ae1c08df2f8b530fddd964

  • SHA512

    a9181c76e87101bedff793689df0d60d89e49469b0b6f768961f0185bbda82d78837db236a2a8bf9585252ee467d2081ce02769662b57d6b3386836550d5e7dc

  • SSDEEP

    24576:zRgV9lX4ePztJzKe4QTnExJrP6+RtCFKOqRuGmjpMg8R5w+cTll8add1Lj6vull+:zR6bbJR7OyKiKO0VaqgY5w+eTZ3Ejmr6

Malware Config

Extracted

Family

wshrat

C2

http://blackhillls.ddns.net:1334

Signatures

  • Matiex

    Matiex is a keylogger and infostealer first seen in July 2020.

  • Matiex Main payload 6 IoCs
  • PredatorStealer

    Predator is a modular stealer written in C#.

  • WSHRAT

    WSHRAT is a variant of Houdini worm and has vbs and js variants.

  • WSHRAT payload 2 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Blocklisted process makes network request 7 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Deletes itself 1 IoCs
  • Drops startup file 3 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 4 IoCs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 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
  • NTFS ADS 1 IoCs
  • Script User-Agent 6 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9dd6a382a4b8e3295ed977f1cc176c0a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9dd6a382a4b8e3295ed977f1cc176c0a_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:320
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Deletes itself
      • Drops startup file
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:2692
      • C:\Users\Admin\AppData\Roaming\conhost\scvhost.exe
        "C:\Users\Admin\AppData\Roaming\conhost\scvhost.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1456
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\SDOupJClKPesZvUKaabs2blkzwnEoJFcriZd6i.js"
          4⤵
          • Checks computer location settings
          • Drops startup file
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4532
          • C:\Windows\SysWOW64\wscript.exe
            "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\SDOupJClKPesZvUKaabs2blkzwnEoJFcriZd6i.js"
            5⤵
            • Blocklisted process makes network request
            • Drops startup file
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            PID:1560
        • C:\Users\Admin\AppData\Local\Temp\BsA2woE9zZbLwSC.exe
          "C:\Users\Admin\AppData\Local\Temp\BsA2woE9zZbLwSC.exe"
          4⤵
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:3224
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 2012
            5⤵
            • Program crash
            PID:4824
        • C:\Users\Admin\AppData\Roaming\conhost\scvhost.exe
          "C:\Users\Admin\AppData\Roaming\conhost\scvhost.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:640
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c bin.exe
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1820
            • C:\Users\Admin\AppData\Local\Temp\bin.exe
              bin.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              PID:228
        • C:\Users\Admin\AppData\Roaming\conhost\scvhost.exe
          "C:\Users\Admin\AppData\Roaming\conhost\scvhost.exe" 2 640 240639281
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:1644
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3224 -ip 3224
    1⤵
      PID:1384

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\BsA2woE9zZbLwSC.exe

      Filesize

      432KB

      MD5

      db1c4abd9f89e2accb740f7c01cb1504

      SHA1

      3a290627dc9ceec7f013c48a4032d69573cc4dbd

      SHA256

      877586c1dbff58fb4c4b9e0543c8e76bad590557b132d8f36b24733558ea02a9

      SHA512

      474746e5584aa500a7ffbaef4e940c7631c38b4b74557a4b38a8e3a0434a427b3ffb1b7ab3f46a7d226bd3f789df62ee74fbc0f230e19cd246ca8cb6a27a16f7

    • C:\Users\Admin\AppData\Local\Temp\Newtonsoft.Json.dll

      Filesize

      647KB

      MD5

      5afda7c7d4f7085e744c2e7599279db3

      SHA1

      3a833eb7c6be203f16799d7b7ccd8b8c9d439261

      SHA256

      f58c374ffcaae4e36d740d90fbf7fe70d0abb7328cd9af3a0a7b70803e994ba4

      SHA512

      7cbbbef742f56af80f1012d7da86fe5375ac05813045756fb45d0691c36ef13c069361457500ba4200157d5ee7922fd118bf4c0635e5192e3f8c6183fd580944

    • C:\Users\Admin\AppData\Local\Temp\SDOupJClKPesZvUKaabs2blkzwnEoJFcriZd6i.js

      Filesize

      184KB

      MD5

      4e47fc3b25104418b7f7a5523e51639a

      SHA1

      de60259e11ec477b9083d641ffdbc88230a0927b

      SHA256

      f0e2f3ca73d64210c1d6a7ca07a2a145f3e94b0d41f99cd45f9fe008d288f345

      SHA512

      a76d6098d2df124d4cb0f773410f186cd579d288d5cd30c6dcf90f24aca01b2d4777274abb1278287a9accada490bb1187209f8c53207c3baf8c26f606fc7225

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

      Filesize

      23KB

      MD5

      345da28112fc97cbad74e45c510fd783

      SHA1

      dc88113783ed200262428c3000c35fdd093c5b64

      SHA256

      b6e61d4a8e0fe205cd03d4fa1d9ffc4ce8c77b9a3efecdb6f9523dccf6bd9864

      SHA512

      e9b294b03ffd005ce6d8380be285baf762d0f135676c1fd4737f43c34e39ad3da77e7c3a07a7197475c1d17b09628b03e9e9c1808698dd89852ad60b9febfa2d

    • C:\Users\Admin\AppData\Local\Temp\bookmarks.txt

      Filesize

      13B

      MD5

      61f8a15f0bf3ef90a36796b6cbb7b105

      SHA1

      9a0893ee4bfb0e58c64902fc4da215dcbec12e3f

      SHA256

      678150f8aa675320e486b135418a7ed5b546514a5aa808588eccc12fe8cd2130

      SHA512

      5afb5a40e95b289db50db7aa151a5a526ef04824533fccd0ad3d6ea813cc5621b8009521d7f5db69fbcb1a46640e963427fd6b42721df26f1fbfc89f59a8abab

    • C:\Users\Admin\AppData\Local\Temp\cookies.txt

      Filesize

      11B

      MD5

      c62837b28d4938edd0ed433c62d0fbff

      SHA1

      e9ea5b724941b7c1d2ac740b896f97ad804e58d3

      SHA256

      041a0aa02efee5c154ee06e5bb07fcde75d5a2a0277e390a170cf9e719d93ffe

      SHA512

      12c5692a05b1b8b4fe6e2f4a7347886cfcc51b62aec46dbeaaa3c0c8949576e7693ccb60611a9915c9f2a7376003fc71210ea580fb0976783c3bf268ac132793

    • C:\Users\Admin\AppData\Local\Temp\passwords.txt

      Filesize

      13B

      MD5

      7294c881f5e23198c7000056e50ef7e7

      SHA1

      65f942dda2ae75aad6444e7a9ccc7352b5c88e23

      SHA256

      2be7f0deacefc2c099e3309e42989fac20dc32af7e722d0bdeb3bc72f44698f4

      SHA512

      ca66605f5b605bdc060ae870fd4d48b20651e0fa8ae126de3e511ada760d1e32fe1709ae536fa46b166d89f1d36501130f9a86c845c2a2776bbdb8f577e7ddb3

    • C:\Users\Admin\AppData\Roaming\conhost\scvhost.exe

      Filesize

      1.9MB

      MD5

      9dd6a382a4b8e3295ed977f1cc176c0a

      SHA1

      cd990deea4530f113c617b9cda0eeea7ada9170e

      SHA256

      7910fea09618fde1ba6c2e3ea088de50109e685d20ae1c08df2f8b530fddd964

      SHA512

      a9181c76e87101bedff793689df0d60d89e49469b0b6f768961f0185bbda82d78837db236a2a8bf9585252ee467d2081ce02769662b57d6b3386836550d5e7dc

    • memory/228-90-0x0000000005D50000-0x0000000005DF8000-memory.dmp

      Filesize

      672KB

    • memory/228-79-0x0000000000E10000-0x0000000000E1C000-memory.dmp

      Filesize

      48KB

    • memory/320-4-0x0000000000400000-0x00000000005F1000-memory.dmp

      Filesize

      1.9MB

    • memory/320-0-0x00000000024A0000-0x00000000024A1000-memory.dmp

      Filesize

      4KB

    • memory/320-3-0x0000000002660000-0x0000000002661000-memory.dmp

      Filesize

      4KB

    • memory/320-1-0x0000000002540000-0x000000000254F000-memory.dmp

      Filesize

      60KB

    • memory/640-69-0x0000000008600000-0x0000000008618000-memory.dmp

      Filesize

      96KB

    • memory/640-34-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/640-94-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/640-39-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/640-56-0x00000000050E0000-0x000000000517C000-memory.dmp

      Filesize

      624KB

    • memory/640-40-0x0000000001260000-0x000000000140A000-memory.dmp

      Filesize

      1.7MB

    • memory/640-42-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/640-61-0x0000000005180000-0x0000000005212000-memory.dmp

      Filesize

      584KB

    • memory/640-64-0x00000000059A0000-0x00000000059F6000-memory.dmp

      Filesize

      344KB

    • memory/640-63-0x0000000005990000-0x000000000599A000-memory.dmp

      Filesize

      40KB

    • memory/640-38-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/1456-36-0x0000000000400000-0x00000000005F1000-memory.dmp

      Filesize

      1.9MB

    • memory/1456-15-0x0000000003F60000-0x0000000003F61000-memory.dmp

      Filesize

      4KB

    • memory/1456-12-0x0000000002260000-0x0000000002261000-memory.dmp

      Filesize

      4KB

    • memory/1644-54-0x0000000003F40000-0x0000000003F4F000-memory.dmp

      Filesize

      60KB

    • memory/1644-96-0x0000000000400000-0x00000000005F1000-memory.dmp

      Filesize

      1.9MB

    • memory/2692-5-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

      Filesize

      4KB

    • memory/3224-60-0x0000000005350000-0x00000000053B6000-memory.dmp

      Filesize

      408KB

    • memory/3224-57-0x0000000005990000-0x0000000005F34000-memory.dmp

      Filesize

      5.6MB

    • memory/3224-53-0x0000000000A20000-0x0000000000A92000-memory.dmp

      Filesize

      456KB