Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    09/07/2024, 19:20

General

  • Target

    31a65114299c4405949acd4858778934_JaffaCakes118.exe

  • Size

    81KB

  • MD5

    31a65114299c4405949acd4858778934

  • SHA1

    9f09f4d6e61bac7d547cda9cc1c66d88df0020d5

  • SHA256

    05aaf2d4855f765e016ad7fb7d55531cc6f03a5b7b31553aa81d7cea6c4597cd

  • SHA512

    430d87aa28263ca94c16aec2803f73691727bf4f8bfac6d95e3ef7342dd64b3201b94aef88fd666f4d4800078bce2be70b2da0ab3109014ec8d07463153f6142

  • SSDEEP

    1536:jKDPPTHbuzvZPtXjVaAZbBh8WconV1NNwYGO7ZCuWJ1lOIhsOV8Q62/do:jqPPTHKzRlVaAZtcGV1NNweWJ17em8Qe

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 7 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\31a65114299c4405949acd4858778934_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\31a65114299c4405949acd4858778934_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Windows\SysWOW64\IUkC0s0m.exe
      "C:\Windows\system32\IUkC0s0m.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:820
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\31A651~1.EXE > nul
      2⤵
      • Deletes itself
      PID:1980

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\IUkC0s0m.exe

    Filesize

    81KB

    MD5

    31a65114299c4405949acd4858778934

    SHA1

    9f09f4d6e61bac7d547cda9cc1c66d88df0020d5

    SHA256

    05aaf2d4855f765e016ad7fb7d55531cc6f03a5b7b31553aa81d7cea6c4597cd

    SHA512

    430d87aa28263ca94c16aec2803f73691727bf4f8bfac6d95e3ef7342dd64b3201b94aef88fd666f4d4800078bce2be70b2da0ab3109014ec8d07463153f6142

  • memory/820-19-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/820-20-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/820-25-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2692-0-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2692-1-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2692-6-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB