Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21-04-2024 00:12

General

  • Target

    fdf9718bdb96b218beea1003afa0e98b_JaffaCakes118.exe

  • Size

    84KB

  • MD5

    fdf9718bdb96b218beea1003afa0e98b

  • SHA1

    607e91624ad3069d51ea70b81fbc78038c634770

  • SHA256

    a200c07b77016522045b9f67709bf2057a8c2db185d3fa3e2a7adf20cf62d4a0

  • SHA512

    0eb1cffa985933fb4c8a7ea430df8d5fa39074a551834af99f8630b99412e3beef803549d4ac0dcc7df5cca0ee59a2a94db922c9856df955e22e71b762775fd7

  • SSDEEP

    1536:zgBLRZST7DxVG7tk5YVlJ9suPGnq/qmFa0hsuA8uPV5lVpFJsYla2JHh:zghRZST7DxvKJfx/5suAjVFp8mh

Score
8/10

Malware Config

Signatures

  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fdf9718bdb96b218beea1003afa0e98b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fdf9718bdb96b218beea1003afa0e98b_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1340
    • C:\Users\Admin\AppData\Local\Temp\fdf9718bdb96b218beea1003afa0e98b_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fdf9718bdb96b218beea1003afa0e98b_JaffaCakes118.exe
      2⤵
      • Sets DLL path for service in the registry
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2668
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\fdf9718bdb96b218beea1003afa0e98b_JaffaCakes118.exe"
        3⤵
        • Deletes itself
        PID:2564
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs
    1⤵
    • Loads dropped DLL
    PID:2632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \??\c:\windows\SysWOW64\evilotus.dll

    Filesize

    60KB

    MD5

    4963f73a6a1fb8a40b6439e7db2bf2e1

    SHA1

    a791751b79396e905abe79d05191a35f311ce9c0

    SHA256

    f92357aaf5234f05e7ff91ab05083e32d51c8163593d62c970ea7e2fe76d035e

    SHA512

    3e952228cffbf56eb7b9b1a330804d750ee5973ec958558686c7622e3e0938878b83f355a80da87546d27508d6b07b110b05b3a0c0020e76be24308a5436c68e

  • memory/1340-1-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/1340-0-0x0000000010000000-0x0000000010055000-memory.dmp

    Filesize

    340KB

  • memory/1340-3-0x00000000002A0000-0x00000000002F5000-memory.dmp

    Filesize

    340KB

  • memory/1340-7-0x0000000010000000-0x0000000010055000-memory.dmp

    Filesize

    340KB

  • memory/2668-2-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2668-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2668-6-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2668-9-0x0000000010000000-0x0000000010055000-memory.dmp

    Filesize

    340KB

  • memory/2668-10-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2668-8-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2668-11-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB