Analysis

  • max time kernel
    145s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-04-2024 17:42

General

  • Target

    da7662fc079f089cefe7aebadf311efd_JaffaCakes118.exe

  • Size

    128KB

  • MD5

    da7662fc079f089cefe7aebadf311efd

  • SHA1

    c169aeeafa21b785a030a0e2159e0e75bb263f47

  • SHA256

    18bac69ca9f61fa36e49d2fbdb4015dcdf9791d9125cc45d5970fde1d70dd801

  • SHA512

    0248afdeb94c92c1fc2ea7e57e6a99c357874a72c35dec78ad5517dfa051c574653e8b7031cb55245a969b88f963ae51bc61104b29cc342ff3524ab8dd80049a

  • SSDEEP

    3072:O+r5c07k6Oo+mNbXIPWPrfq4Ip5bYjS/fo+mNbXIPWPr:O85Rk6z+2XuWPrcNYcQ+2XuWPr

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 6 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\da7662fc079f089cefe7aebadf311efd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\da7662fc079f089cefe7aebadf311efd_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3856
    • C:\Windows\outlook.exe
      C:\Windows\outlook.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:4608
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 29868
        3⤵
        • Program crash
        PID:4540
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4608 -ip 4608
    1⤵
      PID:4392

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\outlook.cfg

      Filesize

      2KB

      MD5

      5ed207f52725ee68848174faea6026ba

      SHA1

      586244d8f7296b028724bbb3e2f456c9ecf7d688

      SHA256

      86511ab1a7782c82534a800050c2380482421fdcad00431eb8bce13729aebadb

      SHA512

      bd1e1b7ac70f6b68f28ccbaefc0d683c652961ab0caa54622077e65c4cd334cb63500e3969ba347e3a86258f098879e56a68526f8641924a11289ec4d450cec4

    • C:\Windows\outlook.cfg

      Filesize

      737B

      MD5

      ed01c721cc56336834ba3852cffbd2ea

      SHA1

      683599a8859ea35386742a9d94ac99f87482ffa4

      SHA256

      cdc569a8e1da691bbf8f7e320c4ac64222c77c46bfeb89e8a1014592d44d3da6

      SHA512

      1eccafcbbb2665e1ca055895770bd070178bfd4946f5dd556c6d1be6a4abac339ffb20b83ef2445abed5f48a064fc641a78c234092f622726ad459b3b53e7739

    • C:\Windows\outlook.cfg

      Filesize

      1KB

      MD5

      24374222b80065386e56d828c5720f21

      SHA1

      5dd0acda4907bd6a73e83af56325e047146da909

      SHA256

      8eb357b69134b97ab6c07d5a2b774c4c3b27f320c0c495a988fb451676d91c74

      SHA512

      0029cb6e156d14e1563e2ab09469ed9737b407fea825e437d4c02f791ddbfe1b8a029ffd71b8301122830fa84103b199142130b96ce3cde9f0726c049cf36d5a

    • C:\Windows\outlook.cfg

      Filesize

      1KB

      MD5

      8cc0e2d8d91945754217e74c9aa9f8b4

      SHA1

      dd27fc2cb6b4e15388e1416559df85addaa26962

      SHA256

      fd43c37b6659a99d86fb97c1ea8f1317cf9533bf631ec1479d18d6be10c2da7b

      SHA512

      93fcd7203d55a0c0bfd407b46fe399d44e6a3ba7d8e6c0a566cbeea3ead28354e616f29348eee6058715abc244495f1d82b858fa04c99c2d0c0d772460466730

    • C:\Windows\outlook.exe

      Filesize

      49KB

      MD5

      0e9379e357aba95f8b9883af9b67675e

      SHA1

      280a174a414e5b8588f42b6328af2c8c8ff4394f

      SHA256

      96b9c4ead67d03eb2c69103a983274e013e3466e80d8f95bd7cf3aea8be05b28

      SHA512

      6cc383806882729cd889b025802ac0d5e1c55a74b3e7d7c98932644e8802fe52b5b14a886eff70ab7deaa70fb60bb9898e55b5cd83b5b99e2a2d107dce367784

    • memory/3856-0-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/3856-8-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/4608-9-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB

    • memory/4608-84-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB

    • memory/4608-106-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB

    • memory/4608-122-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB