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Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    19/07/2024, 10:01

General

  • Target

    5b76ceab943bb62e94635d54ec1c1449_JaffaCakes118.exe

  • Size

    84KB

  • MD5

    5b76ceab943bb62e94635d54ec1c1449

  • SHA1

    2c0f767a0078edb9358e4abdffdfa369d1e1e85f

  • SHA256

    3c39d3e0c71b9900d611406b1c195a3ab9524a9b76ee44ca4e06c778a22eb564

  • SHA512

    327de28dee2d2e2facdb14ed6f71f9494c7c3f5dbe2ad738704d3592c552bf6f92e6119c005d2cca712f0f0d19a3595cd5a421b54e852a9a866394d7aee8ef8f

  • SSDEEP

    1536:T6ggfUfojGnRR1J0+6Q230jgBhVulU8KgKFVXljQG6q8+V:T6uxJ0+yBz6jK9XtQ88+V

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • 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
  • 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).

  • 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\5b76ceab943bb62e94635d54ec1c1449_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5b76ceab943bb62e94635d54ec1c1449_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1724
    • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2940
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" Wdcp.dll main
      2⤵
      • Blocklisted process makes network request
      • Server Software Component: Terminal Services DLL
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      PID:1820
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\5B76CE~1.EXE > nul & rd c:\%Progr~1 > nul
      2⤵
      • Deletes itself
      PID:2260

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    21.1MB

    MD5

    8359620bd6d9169a5694b29350cb386c

    SHA1

    c9343409f916e8f64cf26ca73a10485c9b3b7c3e

    SHA256

    93c88d636f0f292642fcf333e0100e438a01b4546a2c3c34f49055901bb756aa

    SHA512

    8c3f8f55a5c472e98f9560e4b6406adf798805bca885ba8109407983384018b992b81188a4bd05831c9adcbae4ac980ad6ecf89396dc0d659296c4afff3e323b

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

    Filesize

    9KB

    MD5

    359c541c07a39ab11bb45aad29b2d2ce

    SHA1

    3c4f277f184ae306a4d0efe1bcb9e03ecabbb9b7

    SHA256

    6e2378348ebebf5b301744fedb0be396ef4e7e92ad94877da79eed9eb46850d5

    SHA512

    768050272dd4875a4c2a6a96f6337334c05d1512dfc0cc9ceee883a7c701de5e2e90872a6f9029de5b528b74c07cb8aa61c10f9f9e834f8021e9759136fcfbff

  • \??\c:\ntldr.sys

    Filesize

    90B

    MD5

    2decc7673a337ecad80bbbfed8a524bb

    SHA1

    7a0ade42fc8d51817572919584e0ef1a3c7bf18c

    SHA256

    7290f853e512f2c5d401ac03dbcb2e5f0dd6bf27e5dc51b7f476a33ea9d94974

    SHA512

    8c608695079866acc9c2d4486841688f93cc1e632534058c9ffbb7e95c197a0e4ac6da422ce67a60aca7ccd887df85c3cd225f24d0214b050ffa98cb76145d82

  • memory/1724-0-0x0000000000400000-0x000000000042ED90-memory.dmp

    Filesize

    187KB

  • memory/1724-22-0x0000000000401000-0x000000000041A000-memory.dmp

    Filesize

    100KB

  • memory/1724-21-0x0000000000400000-0x000000000042ED90-memory.dmp

    Filesize

    187KB

  • memory/1724-1-0x0000000000401000-0x000000000041A000-memory.dmp

    Filesize

    100KB

  • memory/1820-30-0x0000000010035000-0x0000000010036000-memory.dmp

    Filesize

    4KB

  • memory/1820-31-0x0000000010000000-0x0000000010037000-memory.dmp

    Filesize

    220KB

  • memory/1820-29-0x0000000010000000-0x0000000010037000-memory.dmp

    Filesize

    220KB

  • memory/1820-35-0x0000000010000000-0x0000000010037000-memory.dmp

    Filesize

    220KB

  • memory/1820-36-0x0000000010035000-0x0000000010036000-memory.dmp

    Filesize

    4KB

  • memory/2940-28-0x0000000010000000-0x0000000010037000-memory.dmp

    Filesize

    220KB

  • memory/2940-33-0x0000000010000000-0x0000000010037000-memory.dmp

    Filesize

    220KB

  • memory/2940-34-0x0000000010000000-0x0000000010037000-memory.dmp

    Filesize

    220KB