Analysis

  • max time kernel
    127s
  • max time network
    111s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    24-08-2024 04:50

General

  • Target

    bdec8865e624dae2383d2fda11e44078_JaffaCakes118.exe

  • Size

    502KB

  • MD5

    bdec8865e624dae2383d2fda11e44078

  • SHA1

    5c01005faaf9a74add894274b58827b73d264d8b

  • SHA256

    a696cac7fa86028b6a11fb1cebc3c2c203818086472511fd9dfa01206b4d8718

  • SHA512

    0ab66a27e866fb35f1e1d319458b2c27676317322c2d33ae4accd251a1033d30d243719228c5e396c7857191d8369166f60b0ff5b70534874735a64a80b0f34f

  • SSDEEP

    6144:OxbS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9zHe:OxQtqB5urTIoYWBQk1E+VF9mOx9q

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Myname22

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Detected Nirsoft tools 8 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Reads user/profile data of web browsers 2 TTPs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bdec8865e624dae2383d2fda11e44078_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bdec8865e624dae2383d2fda11e44078_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
      2⤵
      • Accesses Microsoft Outlook accounts
      • System Location Discovery: System Language Discovery
      PID:2692
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\holderwb.txt

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • memory/1748-17-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1748-28-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1748-19-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1748-21-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2692-8-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2692-10-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2692-13-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2692-15-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2860-12-0x0000000073D80000-0x000000007432B000-memory.dmp

    Filesize

    5.7MB

  • memory/2860-16-0x0000000073D80000-0x000000007432B000-memory.dmp

    Filesize

    5.7MB

  • memory/2860-11-0x0000000073D80000-0x000000007432B000-memory.dmp

    Filesize

    5.7MB

  • memory/2860-0-0x0000000073D81000-0x0000000073D82000-memory.dmp

    Filesize

    4KB

  • memory/2860-7-0x0000000073D80000-0x000000007432B000-memory.dmp

    Filesize

    5.7MB

  • memory/2860-20-0x0000000000190000-0x00000000001D0000-memory.dmp

    Filesize

    256KB

  • memory/2860-2-0x0000000073D80000-0x000000007432B000-memory.dmp

    Filesize

    5.7MB

  • memory/2860-1-0x0000000073D80000-0x000000007432B000-memory.dmp

    Filesize

    5.7MB

  • memory/2860-29-0x0000000000190000-0x00000000001D0000-memory.dmp

    Filesize

    256KB