Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/10/2024, 06:15

General

  • Target

    04a83c436644186a0c4a66ee4704c2bf_JaffaCakes118.exe

  • Size

    61KB

  • MD5

    04a83c436644186a0c4a66ee4704c2bf

  • SHA1

    2d1634bdb85ae682d5070e87c0d55847f6fe9a11

  • SHA256

    b48ddae4ed2ce374ef45207b020197c1e8b2ca0ff75cf1c3e1bf846e67f8df5f

  • SHA512

    6287f0f2f6b20f8328d2d2d38e8d5a7e14b8c076a73dc3b9fc9b0f10d106bb37ba164f0e2999274b2dd649eea32cf0b7e9a253b6b3b59e61a1ff75326ba1c982

  • SSDEEP

    1536:bhKkynfDuTK1e0ySeOLKCJnLrdO7zLm+KmIey:okybuL+efCJnLJO7HmlWy

Malware Config

Signatures

  • Disables service(s) 3 TTPs
  • Drops file in Drivers directory 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • UPX packed file 11 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\04a83c436644186a0c4a66ee4704c2bf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\04a83c436644186a0c4a66ee4704c2bf_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2376
    • C:\Windows\SysWOW64\net.exe
      net.exe stop "Security Center"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2788
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Security Center"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2452
    • C:\Windows\SysWOW64\sc.exe
      sc config wscsvc start= DISABLED
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2224
    • C:\Windows\SysWOW64\net.exe
      net.exe stop "Windows Firewall/Internet Connection Sharing (ICS)"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2692
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Windows Firewall/Internet Connection Sharing (ICS)"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2608
    • C:\Windows\SysWOW64\sc.exe
      sc config SharedAccess start= DISABLED
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2456
    • C:\Users\Admin\AppData\Roaming\u2h43b.exe
      C:\Users\Admin\AppData\Roaming\u2h43b.exe
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2712
      • C:\Users\Admin\AppData\Roaming\u2h43b.exe
        C:\Users\Admin\AppData\Roaming\u2h43b.exe -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
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1812
      • C:\Users\Admin\AppData\Roaming\u2h43b.exe
        C:\Users\Admin\AppData\Roaming\u2h43b.exe -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
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2408
    • C:\Windows\SysWOW64\Rundll32.exe
      Rundll32.exe setupapi,InstallHinfSection DefaultInstall 128 C:\Users\Admin\AppData\Roaming\mdinstall.inf
      2⤵
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2832
      • C:\Windows\SysWOW64\runonce.exe
        "C:\Windows\system32\runonce.exe" -r
        3⤵
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious use of WriteProcessMemory
        PID:2852
        • C:\Windows\SysWOW64\grpconv.exe
          "C:\Windows\System32\grpconv.exe" -o
          4⤵
          • System Location Discovery: System Language Discovery
          PID:816
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Roaming\5xb4y8f33.bat
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\5xb4y8f33.bat

    Filesize

    218B

    MD5

    870ec372d76544921f6ed61d9141a0b7

    SHA1

    67ebd92c095f6587413fc561cfac1a3bef58939d

    SHA256

    079bc320087fee43c223c56da7f6162dde5ec19aaaa2c13ea501fca4df7e139f

    SHA512

    c7f6a52026c2f5dd2cda0fec7c61902c17dfb6ee5a73f21586d3399ade5a9e43c9570a0bc257dea9075be3eeb63c1739232e955c53c9c11cd0f150ab97e4f78f

  • C:\Users\Admin\AppData\Roaming\mdinstall.inf

    Filesize

    410B

    MD5

    3ccb3b743b0d79505a75476800c90737

    SHA1

    b5670f123572972883655ef91c69ecc2be987a63

    SHA256

    5d96bec9bc06fd8d7abc11efbb3cb263844ee0416910f63581dd7848b4e1d8dd

    SHA512

    09b1cdd4393f515f7569fbccc3f63051823ed7292b6e572bc9a34e4389b727b2914b22118e874864ccb32ef63016b2abd6d84510fd46fdee712fd84be59c114e

  • C:\Users\Admin\AppData\Roaming\u2h43b.exe

    Filesize

    61KB

    MD5

    04a83c436644186a0c4a66ee4704c2bf

    SHA1

    2d1634bdb85ae682d5070e87c0d55847f6fe9a11

    SHA256

    b48ddae4ed2ce374ef45207b020197c1e8b2ca0ff75cf1c3e1bf846e67f8df5f

    SHA512

    6287f0f2f6b20f8328d2d2d38e8d5a7e14b8c076a73dc3b9fc9b0f10d106bb37ba164f0e2999274b2dd649eea32cf0b7e9a253b6b3b59e61a1ff75326ba1c982

  • memory/1812-40-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1812-58-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1812-41-0x0000000003E70000-0x0000000003FA5000-memory.dmp

    Filesize

    1.2MB

  • memory/1812-47-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1812-42-0x0000000003FB0000-0x0000000004125000-memory.dmp

    Filesize

    1.5MB

  • memory/2376-12-0x0000000004BD0000-0x0000000004C00000-memory.dmp

    Filesize

    192KB

  • memory/2376-0-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2376-28-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2376-13-0x0000000004BD0000-0x0000000004C00000-memory.dmp

    Filesize

    192KB

  • memory/2376-3-0x0000000003CF0000-0x0000000004037000-memory.dmp

    Filesize

    3.3MB

  • memory/2408-72-0x0000000003FE0000-0x0000000004155000-memory.dmp

    Filesize

    1.5MB

  • memory/2408-75-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2408-71-0x0000000003EA0000-0x0000000003FD5000-memory.dmp

    Filesize

    1.2MB

  • memory/2712-36-0x0000000002EF0000-0x0000000002F20000-memory.dmp

    Filesize

    192KB

  • memory/2712-45-0x0000000002EF0000-0x0000000002F20000-memory.dmp

    Filesize

    192KB

  • memory/2712-61-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2712-44-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2712-33-0x0000000004020000-0x0000000004195000-memory.dmp

    Filesize

    1.5MB

  • memory/2712-74-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2712-29-0x0000000003EE0000-0x0000000004015000-memory.dmp

    Filesize

    1.2MB