Analysis

  • max time kernel
    141s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    20-06-2024 13:38

General

  • Target

    067e52f8f51d0ebc3500386943f3891c_JaffaCakes118.exe

  • Size

    438KB

  • MD5

    067e52f8f51d0ebc3500386943f3891c

  • SHA1

    79cf4bb78b46a77d21b12bf7032c2fbf4a7ed0a2

  • SHA256

    43257dbb1e6e811091f595d08030509f64f34a3fdb434912594ca23527f58467

  • SHA512

    b96394357f6f898e7a2528b0c2804b6814aa386fc625fe4d519e0b6b23876633d8471a27d31ba844667b36125fa51fce727feb399075553beb46c4a2b5c76856

  • SSDEEP

    6144:cBPCuMgwO58zDWoGWT2UUgwB1U5cPAAJUgGqGj+iOMOMEVP1AR/A98gWNlPTGQQt:cTwS8eoGWSb1Lxy2rtAR/zNtTird4

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Modifies data under HKEY_USERS 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\067e52f8f51d0ebc3500386943f3891c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\067e52f8f51d0ebc3500386943f3891c_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Windows\uninstal.bat
      2⤵
      • Deletes itself
      PID:2692
  • C:\Windows\Hacker.com.cn.exe
    C:\Windows\Hacker.com.cn.exe
    1⤵
    • Executes dropped EXE
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2160

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\Hacker.com.cn.exe

    Filesize

    438KB

    MD5

    067e52f8f51d0ebc3500386943f3891c

    SHA1

    79cf4bb78b46a77d21b12bf7032c2fbf4a7ed0a2

    SHA256

    43257dbb1e6e811091f595d08030509f64f34a3fdb434912594ca23527f58467

    SHA512

    b96394357f6f898e7a2528b0c2804b6814aa386fc625fe4d519e0b6b23876633d8471a27d31ba844667b36125fa51fce727feb399075553beb46c4a2b5c76856

  • C:\Windows\uninstal.bat

    Filesize

    218B

    MD5

    53fac45070988c2db633617ac2217025

    SHA1

    38812f982c7c84cd392165b46f51d70a0cd76b32

    SHA256

    23c950293e0983f6bab3a1ba52af275a06c6a445e542ac45fe438b975213677f

    SHA512

    9a1eeac606a56141201fc9d6b5a1a1ea444b0c4619fb0743d2e5ccf4143d9459b59e4863ac201072e8bae02f93d23c2135ffdaceee2cf3c460b3a2975ba81d0f

  • memory/2160-10-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2160-30-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2160-24-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2160-23-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2160-9-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2160-12-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2160-11-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2908-6-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2908-7-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2908-0-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2908-21-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2908-3-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2908-2-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2908-1-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB