Analysis

  • max time kernel
    150s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 11:44

General

  • Target

    73e95e6d9d01282276925ac35a60032c_JaffaCakes118.exe

  • Size

    492KB

  • MD5

    73e95e6d9d01282276925ac35a60032c

  • SHA1

    16e7fa60f8ac9ffaff89f7c444954a61cd6ccea6

  • SHA256

    963e50f8c698499ca606427f5bbd82817b00b733e1168460a73ab882238f9f7f

  • SHA512

    3cb5fe5831046cc9b4a8d5b76577c4998b06183c53f210e9743e0c0db599ba364454224618b3cf6edb43c5e8f593d82bb419a70098651d9676f4994d3887cc80

  • SSDEEP

    12288:zjuTkMa586N2rAs3e3D35UQpXyjWz8iu6pqXALLbr2U7QFxyzw:zsUNl6yD2KXYWzj3rZQFz

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • ModiLoader Second Stage 2 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 7 IoCs
  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 53 IoCs
  • Enumerates processes with tasklist 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 13 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73e95e6d9d01282276925ac35a60032c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\73e95e6d9d01282276925ac35a60032c_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3060
    • C:\Users\Admin\d3s3Jf2gX6.exe
      C:\Users\Admin\d3s3Jf2gX6.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4572
      • C:\Users\Admin\sauumi.exe
        "C:\Users\Admin\sauumi.exe"
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2636
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del d3s3Jf2gX6.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:544
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4444
    • C:\Users\Admin\ayhost.exe
      C:\Users\Admin\ayhost.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3020
      • C:\Users\Admin\ayhost.exe
        ayhost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:3728
    • C:\Users\Admin\bahost.exe
      C:\Users\Admin\bahost.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1708
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
          PID:4648
      • C:\Users\Admin\djhost.exe
        C:\Users\Admin\djhost.exe
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2572
      • C:\Users\Admin\ekhost.exe
        C:\Users\Admin\ekhost.exe
        2⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2212
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del ekhost.exe
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3020
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:1064
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del 73e95e6d9d01282276925ac35a60032c_JaffaCakes118.exe
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4192
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4028

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Hide Artifacts

    1
    T1564

    Hidden Files and Directories

    1
    T1564.001

    Modify Registry

    2
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Process Discovery

    1
    T1057

    System Location Discovery

    1
    T1614

    System Language Discovery

    1
    T1614.001

    Replay Monitor

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    Downloads

    • C:\Users\Admin\ayhost.exe
      Filesize

      80KB

      MD5

      8ccbe4f27f9710f3e7f75e1d1de57e49

      SHA1

      272e95e476477cd4a1715ee0bcf32318e0351718

      SHA256

      3d36ee15c25b2308f8552e121d885c26b46b4e7fc6dbb41a684bec53e0ae3b5d

      SHA512

      334f56b5158839f521513aff9de334536c86da633bf1a3b78592529275457973ed67fd55a54bef8f88ce918c2863c365cababfbd0ef888a27272906e281105d0

    • C:\Users\Admin\bahost.exe
      Filesize

      260KB

      MD5

      57d06744cbe8d579531f5704827605c1

      SHA1

      222404c29087c7481127d5616e209e8a8946b110

      SHA256

      42c00828ea0ca557e2f50c49ebc24d3e2ffbd207ad6128e002ee9487be0e7f1a

      SHA512

      1d22108dbca3e6566a14e687077cfca481adf2eb4d6a214e49c2242f4aa3701f1a31037993f3ba78c41f9242666b2b0b1424f983ee660eae2e89b3c492d93093

    • C:\Users\Admin\calc.exe
      Filesize

      764KB

      MD5

      e381b04abf596ed1573154cd41f418dc

      SHA1

      2ad1df7bebf1e4c0715adbf76c8c14b9162edf2e

      SHA256

      02b08664fcc196f15ff0e33e7ed43e9e78af7b564e3f7c5388dd7d0267905fe6

      SHA512

      44307e60bdc804b3abe710a21e2268960dcc9d29671cf8ce723e40721b6b38ae338c49cd1b9cfd4fa8fa4f644cc80414baeb70f136f39f73833f8373f8180858

    • C:\Users\Admin\d3s3Jf2gX6.exe
      Filesize

      280KB

      MD5

      b3c7427a9509d61a373b377e668c8ddd

      SHA1

      80b7a9d3fea90879ac10e4cbbd70968aaf8f46d3

      SHA256

      b24dacfe819e4b8e04e3d1ae5a82ffda05ce5c870c0ce530f723c29c76fe5a28

      SHA512

      616411ce4b75b80bba9bb901848f9814624deb89a941d4f13b2bc66b63a2eab230354f320a61610bb9166d368a77a3036068f3a7c76d0d0078e71b653e10c7fe

    • C:\Users\Admin\djhost.exe
      Filesize

      32KB

      MD5

      af152804736fe7af65e4b49633a2d185

      SHA1

      3c2ecabfbdca7b4bfed2fbaae7cfeabe9d439d35

      SHA256

      45b8430d8053f791bfcd0033ae2cdfed2b253a0f6835395055345058ab18c40e

      SHA512

      749461feaacada8ddec990df90ae5f580fb9b6b0bad680015a7067d66ecd785822bb50223dc734d29016cb29dfa98c9efa08d53b99dc0e0fe26193ff12742cd6

    • C:\Users\Admin\ekhost.exe
      Filesize

      24KB

      MD5

      046275674448c41615014cf770ee4f53

      SHA1

      4f51eb674e199d6b901aaffb55c4aeafb94acfb3

      SHA256

      3c561abc78eb200f46286b30765a2f6bf6b6bc9c6f433b327955d2e0ef6aaa6f

      SHA512

      db35c805e516209d0ee02e182711360ea2a49f7de5c79a01fe448beb673abe83ac638cf1c0b04c4e45f608fad490cdd5f8d2bd99aa0c0c679fb3fc9a77bbe0e2

    • C:\Users\Admin\sauumi.exe
      Filesize

      280KB

      MD5

      1a6a356329bd6e848e4b5e3c5a50c648

      SHA1

      91219190c4136412a2bfa04f7b7dc91d7804f603

      SHA256

      164827cf6e8d686068754659dafa6fd7c4329330b04ea44474240a99ee81c251

      SHA512

      c00df69a78217694226f0f34b9a11ca03f0af2fbf6e2bd985304462759204e78632fe6f71fd243964e2b93b5df33e5b260ef991d54f2c79766de91c8d30333fb

    • memory/1708-58-0x0000000000400000-0x0000000000446000-memory.dmp
      Filesize

      280KB

    • memory/3020-49-0x0000000000400000-0x0000000000417000-memory.dmp
      Filesize

      92KB

    • memory/3728-45-0x0000000000400000-0x000000000040E000-memory.dmp
      Filesize

      56KB

    • memory/3728-46-0x0000000000400000-0x000000000040E000-memory.dmp
      Filesize

      56KB

    • memory/3728-51-0x0000000000400000-0x000000000040E000-memory.dmp
      Filesize

      56KB

    • memory/3728-52-0x0000000000400000-0x000000000040E000-memory.dmp
      Filesize

      56KB

    • memory/3728-53-0x0000000000400000-0x000000000040E000-memory.dmp
      Filesize

      56KB