Analysis

  • max time kernel
    142s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-08-2024 23:55

General

  • Target

    c5f616f3c54dfca4225acfc3cc107773_JaffaCakes118.exe

  • Size

    547KB

  • MD5

    c5f616f3c54dfca4225acfc3cc107773

  • SHA1

    6e503972eceea524302648f626384e75205e1511

  • SHA256

    61999ad1811489155367e1223b2ac5d24703a3701e9ceddaf1c6dd8958b282b5

  • SHA512

    d4261bcef895b628cf6b6f1a1b0f41c2ea7429200d4e3da251d691dbb01fe9637a0d15f40afb97b457afbbdf3e968125e975a7402d5576cea753b8eca472c0ff

  • SSDEEP

    12288:DllSxxQjrbsdmeTD7++mTPA2alviql7Y+SzVjlUMGU/KWjNuGFV:DTUN9TPSMXdi4mZlU0KWx

Malware Config

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 9 IoCs

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

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 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 2 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5f616f3c54dfca4225acfc3cc107773_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c5f616f3c54dfca4225acfc3cc107773_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5104
    • C:\Users\Admin\AppData\Local\Temp\c5f616f3c54dfca4225acfc3cc107773_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\c5f616f3c54dfca4225acfc3cc107773_JaffaCakes118.exe"
      2⤵
      • 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 SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3584
      • 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"
        3⤵
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:2280
      • 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"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1496
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 2712
        3⤵
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:3980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\c5f616f3c54dfca4225acfc3cc107773_JaffaCakes118.exe.log

    Filesize

    400B

    MD5

    0a9b4592cd49c3c21f6767c2dabda92f

    SHA1

    f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

    SHA256

    c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

    SHA512

    6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

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

    Filesize

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • memory/1496-40-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1496-38-0x0000000000460000-0x0000000000529000-memory.dmp

    Filesize

    804KB

  • memory/1496-32-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1496-31-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1496-29-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2280-22-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2280-25-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2280-23-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2280-20-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3584-28-0x0000000075100000-0x00000000756B1000-memory.dmp

    Filesize

    5.7MB

  • memory/3584-27-0x0000000075100000-0x00000000756B1000-memory.dmp

    Filesize

    5.7MB

  • memory/3584-47-0x0000000075100000-0x00000000756B1000-memory.dmp

    Filesize

    5.7MB

  • memory/3584-19-0x0000000075100000-0x00000000756B1000-memory.dmp

    Filesize

    5.7MB

  • memory/3584-4-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/3584-11-0x0000000075100000-0x00000000756B1000-memory.dmp

    Filesize

    5.7MB

  • memory/3584-10-0x0000000075100000-0x00000000756B1000-memory.dmp

    Filesize

    5.7MB

  • memory/3584-9-0x0000000075100000-0x00000000756B1000-memory.dmp

    Filesize

    5.7MB

  • memory/3584-26-0x0000000075100000-0x00000000756B1000-memory.dmp

    Filesize

    5.7MB

  • memory/3584-15-0x0000000075100000-0x00000000756B1000-memory.dmp

    Filesize

    5.7MB

  • memory/5104-0-0x0000000075102000-0x0000000075103000-memory.dmp

    Filesize

    4KB

  • memory/5104-8-0x0000000075100000-0x00000000756B1000-memory.dmp

    Filesize

    5.7MB

  • memory/5104-7-0x0000000075102000-0x0000000075103000-memory.dmp

    Filesize

    4KB

  • memory/5104-14-0x0000000075100000-0x00000000756B1000-memory.dmp

    Filesize

    5.7MB

  • memory/5104-3-0x0000000075100000-0x00000000756B1000-memory.dmp

    Filesize

    5.7MB

  • memory/5104-2-0x0000000075100000-0x00000000756B1000-memory.dmp

    Filesize

    5.7MB

  • memory/5104-1-0x0000000075100000-0x00000000756B1000-memory.dmp

    Filesize

    5.7MB

  • memory/5104-16-0x0000000075100000-0x00000000756B1000-memory.dmp

    Filesize

    5.7MB