Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-10-2024 14:18

General

  • Target

    13b38a0a468aa0fed7fa03f726f4725c_JaffaCakes118.exe

  • Size

    801KB

  • MD5

    13b38a0a468aa0fed7fa03f726f4725c

  • SHA1

    c3273a6bca7b37a4a8f4473b8283774713914c38

  • SHA256

    a33160a1cbc3a3abcd1330dc8cba9cb99fee6f6061a9a143b47a4b3597e969a6

  • SHA512

    c901507061757293eee77013a2bca3ce66dadfa52c075f551b34006eab5d5e560f4a77d040f564adb4538257aa71ce67b3098cfbde9672691d7dc6a48f8a99d7

  • SSDEEP

    12288:wMOiyaD1GhnYzIsd561es4hTfTsA/H1AtMkpOh8Vd5ikI9iVpl8am7/6b5KpSSiN:H9yaD1e+pvTfTsY3aOeF8ms6bGSSu

Malware Config

Signatures

  • HawkEye

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

  • 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 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13b38a0a468aa0fed7fa03f726f4725c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\13b38a0a468aa0fed7fa03f726f4725c_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Update\uipfvtyigwdrgujpfvtfbvur43gyu8gdct78uidscdftdfvfg" /XML "C:\Users\Admin\AppData\Local\Temp\z731"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2640
    • C:\Users\Admin\AppData\Local\Temp\13b38a0a468aa0fed7fa03f726f4725c_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\13b38a0a468aa0fed7fa03f726f4725c_JaffaCakes118.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:2144
      • 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:1380
      • 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:2136
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 996
        3⤵
        • System Location Discovery: System Language Discovery
        PID:936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    d1b9f38c9ace3db77387fa6dc3042943

    SHA1

    7c36d78c85f161dfe5bb3cb99130f417918dd320

    SHA256

    bc1c1c51eeb30679fa395e5b22e2614a6c1dfc3c9ae8504796b4e61868a3d15f

    SHA512

    c18f6af8425b549af64b2fd2c303d9576d310f37c457c4bfb468ade4685c79c746d7e549fe62726bd55854ba44c9c8bba2c229b014f56f6a5e24703bd85c485d

  • C:\Users\Admin\AppData\Local\Temp\CabA131.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarA1EF.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • C:\Users\Admin\AppData\Local\Temp\z731

    Filesize

    1KB

    MD5

    b1b941329a1f585845d6d803bbb6457c

    SHA1

    cbda0a6a6af0cc632d49a17ac5fe1e29f1699d8a

    SHA256

    29219eda437f8d37c282f2112ddbe19c9d4e87933937ecf0b93c69f3c596d632

    SHA512

    dffa55bdf947fa8bf2180b141365d3713494cc898e1a8a45077fff25ae30be3a746de6f3914343b8da91accab53ec04166361e9f45780f69a054082dbe2c21c5

  • memory/1380-89-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1380-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1380-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2136-102-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2136-95-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2136-94-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2144-77-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2144-90-0x00000000740C0000-0x000000007466B000-memory.dmp

    Filesize

    5.7MB

  • memory/2144-81-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2144-103-0x00000000740C0000-0x000000007466B000-memory.dmp

    Filesize

    5.7MB

  • memory/2144-76-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2144-73-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2144-85-0x00000000740C0000-0x000000007466B000-memory.dmp

    Filesize

    5.7MB

  • memory/2144-68-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2144-84-0x00000000740C0000-0x000000007466B000-memory.dmp

    Filesize

    5.7MB

  • memory/2144-82-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2144-91-0x00000000740C0000-0x000000007466B000-memory.dmp

    Filesize

    5.7MB

  • memory/2144-92-0x00000000740C0000-0x000000007466B000-memory.dmp

    Filesize

    5.7MB

  • memory/2144-69-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2144-70-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/3000-83-0x00000000740C0000-0x000000007466B000-memory.dmp

    Filesize

    5.7MB

  • memory/3000-64-0x00000000740C0000-0x000000007466B000-memory.dmp

    Filesize

    5.7MB

  • memory/3000-8-0x00000000740C0000-0x000000007466B000-memory.dmp

    Filesize

    5.7MB

  • memory/3000-0-0x00000000740C1000-0x00000000740C2000-memory.dmp

    Filesize

    4KB