Analysis

  • max time kernel
    150s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 16:46

General

  • Target

    e564256b00733c6701b471ca83b05255_JaffaCakes118.exe

  • Size

    29KB

  • MD5

    e564256b00733c6701b471ca83b05255

  • SHA1

    9cf38132884377f191a80b4e4b4e7207d9525da9

  • SHA256

    d64302c882d541229f5c3a87ea83043b6aa9187af3142863a09891cfb07ca2a7

  • SHA512

    0be4eceed24f6bb1881b8116986d21d6536aaece10f676b11b6501209f2b61acd1e318a8086afcecb1cb33d03cd7274fb95db52c9772af7782f143943189fbec

  • SSDEEP

    768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFdU:SKcR4mjD9r823FdU

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 7 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e564256b00733c6701b471ca83b05255_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e564256b00733c6701b471ca83b05255_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4156
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:4192

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

    Filesize

    351KB

    MD5

    6006f77d38cf864a405cedad16d93c7a

    SHA1

    0cf6108dade10545a64e15ab38c3002ac9c65c39

    SHA256

    5b5a9b4579f5535b81931adaa94cf6be8fea00878a20b9b3a2fc5855432b158d

    SHA512

    67c60df516cd212e3f6d77d61e2b5fe87ea6da641366bc1272932d4cb3cafadd1d5b594ebd7f1b0be488fe7557dd2876fa9cc41865535af94c7eda69e1308049

  • C:\Users\Admin\AppData\Local\Temp\3FnUw3QAWnxriZn.exe

    Filesize

    29KB

    MD5

    fe10d967502673b5be31dea4da1a6cf3

    SHA1

    679da05ca6db58040c94f4694553929ce39d2628

    SHA256

    3284533f79184d171aa5674e5a66abd640796407ca367e8bea0fb3020c775b24

    SHA512

    a0ea2bb4c578516556ea4796cf87b8f75e5b9ccf803893d1e59e59b74c236928520b8cd944a67a97a98d8fc61fb25f24d4fea703a511250d69d2a570670e748c

  • C:\Windows\CTS.exe

    Filesize

    29KB

    MD5

    70aa23c9229741a9b52e5ce388a883ac

    SHA1

    b42683e21e13de3f71db26635954d992ebe7119e

    SHA256

    9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

    SHA512

    be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

  • memory/4156-0-0x0000000000160000-0x0000000000177000-memory.dmp

    Filesize

    92KB

  • memory/4156-9-0x0000000000160000-0x0000000000177000-memory.dmp

    Filesize

    92KB

  • memory/4192-7-0x0000000000D40000-0x0000000000D57000-memory.dmp

    Filesize

    92KB

  • memory/4192-31-0x0000000000D40000-0x0000000000D57000-memory.dmp

    Filesize

    92KB