Analysis

  • max time kernel
    150s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    21-08-2024 06:26

General

  • Target

    b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe

  • Size

    84KB

  • MD5

    b26992fe8fd1208bb2aad1f0fc8eb1bf

  • SHA1

    0af8ba5f45c6a5b918a0ca0d1e64a3a72608081a

  • SHA256

    e7010ff576b408ac5824f52e9773bda76d00bf2f38b90f16772934e2798bb4d9

  • SHA512

    1e26da46a5dd4c1402a1f5eb5eaa40c1f202c5da95a1f7d4e76347a4e1ec7927b43f21312eb266504d79a6f2c86e9a09ad285921515a3642a2760c2b597df2ca

  • SSDEEP

    1536:h6ggfUfojGnRR1J0+6Q230jgBhVulU8KgKFVXljQG6q8+t:h6uxJ0+yBz6jK9XtQ88+t

Malware Config

Signatures

  • Server Software Component: Terminal Services DLL 1 TTPs 2 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in Program Files directory 7 IoCs
  • Drops file in Windows directory 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 4 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 behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Program Files\%Program Files%\laass.exe
      "C:\Program Files\%Program Files%\laass.exe" Wdcp.dll main
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2860
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" Wdcp.dll main
      2⤵
      • Server Software Component: Terminal Services DLL
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      PID:880
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\B26992~1.EXE > nul & rd c:\%Progr~1 > nul
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:1160

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\%Program Files%\Wdcp.dll

    Filesize

    21.1MB

    MD5

    28b658b9ec748fb8cd29846300dffe00

    SHA1

    8676f96b7903c6a94033a6ef24a2f3a3ca7a6dc0

    SHA256

    e90dc557b566913c2394811b28b0ed10e29d54c582cc2826e0506e4e79406d53

    SHA512

    434286d885eff43fcab72fd2f2eb0a9b65d3600f61cbf2961d164a76c537b409f386ba01c4ca17ffe7a99e928296f39f700ec8f579eeeb8aaefc6cbea824c003

  • \??\c:\ntldr.sys

    Filesize

    90B

    MD5

    2decc7673a337ecad80bbbfed8a524bb

    SHA1

    7a0ade42fc8d51817572919584e0ef1a3c7bf18c

    SHA256

    7290f853e512f2c5d401ac03dbcb2e5f0dd6bf27e5dc51b7f476a33ea9d94974

    SHA512

    8c608695079866acc9c2d4486841688f93cc1e632534058c9ffbb7e95c197a0e4ac6da422ce67a60aca7ccd887df85c3cd225f24d0214b050ffa98cb76145d82

  • \Program Files\%Program Files%\laass.exe

    Filesize

    9KB

    MD5

    359c541c07a39ab11bb45aad29b2d2ce

    SHA1

    3c4f277f184ae306a4d0efe1bcb9e03ecabbb9b7

    SHA256

    6e2378348ebebf5b301744fedb0be396ef4e7e92ad94877da79eed9eb46850d5

    SHA512

    768050272dd4875a4c2a6a96f6337334c05d1512dfc0cc9ceee883a7c701de5e2e90872a6f9029de5b528b74c07cb8aa61c10f9f9e834f8021e9759136fcfbff

  • memory/880-35-0x0000000010000000-0x0000000010037000-memory.dmp

    Filesize

    220KB

  • memory/880-32-0x0000000010035000-0x0000000010036000-memory.dmp

    Filesize

    4KB

  • memory/880-31-0x0000000010000000-0x0000000010037000-memory.dmp

    Filesize

    220KB

  • memory/880-36-0x0000000010000000-0x0000000010037000-memory.dmp

    Filesize

    220KB

  • memory/880-28-0x0000000010000000-0x0000000010037000-memory.dmp

    Filesize

    220KB

  • memory/880-38-0x0000000010035000-0x0000000010036000-memory.dmp

    Filesize

    4KB

  • memory/880-26-0x0000000010000000-0x0000000010037000-memory.dmp

    Filesize

    220KB

  • memory/2484-29-0x0000000000401000-0x000000000041A000-memory.dmp

    Filesize

    100KB

  • memory/2484-27-0x0000000000400000-0x000000000042ED90-memory.dmp

    Filesize

    187KB

  • memory/2484-0-0x0000000000400000-0x000000000042ED90-memory.dmp

    Filesize

    187KB

  • memory/2484-1-0x0000000000401000-0x000000000041A000-memory.dmp

    Filesize

    100KB

  • memory/2860-33-0x0000000010000000-0x0000000010037000-memory.dmp

    Filesize

    220KB

  • memory/2860-37-0x0000000010000000-0x0000000010037000-memory.dmp

    Filesize

    220KB

  • memory/2860-25-0x0000000010000000-0x0000000010037000-memory.dmp

    Filesize

    220KB