Analysis

  • max time kernel
    136s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 08:00

General

  • Target

    d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe

  • Size

    766KB

  • MD5

    d5ea316da41904c647d59e0eeb167f97

  • SHA1

    e5f06ea3d9f059ad267c476b59df3eec50ffd60e

  • SHA256

    bf63f9c5c45d521d910d2f6aaabc359fa508fdd58f8b24a7c2ba51ab6125103e

  • SHA512

    95b3017120bbf2e1d5c24d41895f65d8dea6111415d4307b6c1f138f15002f487fe0e80d15e266eda1117e254226341eafdffa498f112c8a996949b4bdc2b6e9

  • SSDEEP

    12288:YTpSOI3LmcXkvqjty8vgtoRt2BpzXsswFWBUhyO2jWEt8huvJ1MVKAV4mfxJ:PLCG5y8vgtCCpxwF869vEGVKABj

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 11 IoCs

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

  • NirSoft MailPassView 8 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 8 IoCs

    Password recovery tool for various web browsers

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Update\VDFFSHBXCTFGHDNMBGKZXDDXNVMNCCXBGBNXJNCJM" /XML "C:\Users\Admin\AppData\Local\Temp\z935"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2880
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • 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:2804
      • 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:320
      • 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"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1268
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 528
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2144

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab9E44.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • C:\Users\Admin\AppData\Local\Temp\z935

    Filesize

    1KB

    MD5

    8e37c12b68865b03f93459012bdb473f

    SHA1

    d1363f57b71d0c0d93a9311b153e6d1f5327aca7

    SHA256

    0065a7ad5986a992361590de5f1df59f1b4bfeeff57d1b1f2f1f6d67a93868fa

    SHA512

    78929a3ae15f905d8f51b8e3af9907455c37bd76822c344b5c40b799fe6076537aa284f3a3005a80d1640b1376800e0138989057fe500059e92772f5a6cff416

  • memory/320-44-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/320-46-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/320-43-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1268-55-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1268-48-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1268-47-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2804-24-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2804-28-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2804-26-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2804-39-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2804-30-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2804-32-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2804-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2804-37-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/3068-40-0x00000000743D0000-0x000000007497B000-memory.dmp

    Filesize

    5.7MB

  • memory/3068-0-0x00000000743D1000-0x00000000743D2000-memory.dmp

    Filesize

    4KB

  • memory/3068-20-0x00000000743D0000-0x000000007497B000-memory.dmp

    Filesize

    5.7MB

  • memory/3068-1-0x00000000743D0000-0x000000007497B000-memory.dmp

    Filesize

    5.7MB