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
    16-12-2024 11:06

General

  • Target

    f8b743c79b3c2b3a6d76992a699ceb23_JaffaCakes118.exe

  • Size

    801KB

  • MD5

    f8b743c79b3c2b3a6d76992a699ceb23

  • SHA1

    8a20f602afcdfc6f1b466ac8820cc6bd3e3dd01a

  • SHA256

    f12ba00ae7405861cdfa86dcd1485883a9be5117fd195ac79745a3d366764ba6

  • SHA512

    4f222c3e2131d573889c4061827d5b2ef132b75b69d58d3e5a044acbce675b370cb6de28d12ca01d362cacfb4bde9b33f7ea0ca08eaf159dedb6c240a07fea18

  • SSDEEP

    24576:KHaTrla1MgEoaN9UyGLfTzCMv7QDZyN5h/:LlqMgEv87L/L3Nn

Malware Config

Signatures

  • HawkEye

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

  • Hawkeye family
  • 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\f8b743c79b3c2b3a6d76992a699ceb23_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f8b743c79b3c2b3a6d76992a699ceb23_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1224
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Update\pudvhuipodfbhuhcfvtrbopdbrftgqcyhufmokcf" /XML "C:\Users\Admin\AppData\Local\Temp\z411"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2680
    • C:\Users\Admin\AppData\Local\Temp\f8b743c79b3c2b3a6d76992a699ceb23_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f8b743c79b3c2b3a6d76992a699ceb23_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:2152
      • 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:3028
      • 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:2396
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 1720
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    342B

    MD5

    85a116c630f9201444a0f938c5124b64

    SHA1

    60e80b9a9e36cf2f769953cdd448cc51d4b1dba3

    SHA256

    337dc46196f09e579d6cdcaab5094859ee90d8ea8170ef34665241384db41019

    SHA512

    4c685ed419b0c62b772fc959c5abbad936777c2ab97eb693a86117731e98179c3cfbfeba26c3f5c7345d5257cff89b3f1c82ab17ea41ed17a6647c0eefabab05

  • C:\Users\Admin\AppData\Local\Temp\CabE38E.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarE45B.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\z411

    Filesize

    1KB

    MD5

    ffa2bdcede00bbd117c01c984c77df28

    SHA1

    f23bbd1531db13a194535e650393915fcea232d9

    SHA256

    893563ad91a19d9bca4ebcec176242f7ce355efdf9dcaa555eb3234db4e18623

    SHA512

    063230eaccc4291d7ba78168ff056ed870b623da889042ea28f746b7561e3eddc843f0c4b52d33fe56e451a1f209454a70a7078ac56531ef7827ab79ef5655e7

  • memory/1224-87-0x0000000074380000-0x000000007492B000-memory.dmp

    Filesize

    5.7MB

  • memory/1224-2-0x0000000074380000-0x000000007492B000-memory.dmp

    Filesize

    5.7MB

  • memory/1224-9-0x0000000074380000-0x000000007492B000-memory.dmp

    Filesize

    5.7MB

  • memory/1224-65-0x0000000074380000-0x000000007492B000-memory.dmp

    Filesize

    5.7MB

  • memory/1224-0-0x0000000074381000-0x0000000074382000-memory.dmp

    Filesize

    4KB

  • memory/2152-79-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2152-76-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2152-84-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2152-80-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2152-86-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2152-73-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2152-71-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2152-88-0x0000000074380000-0x000000007492B000-memory.dmp

    Filesize

    5.7MB

  • memory/2152-89-0x0000000074380000-0x000000007492B000-memory.dmp

    Filesize

    5.7MB

  • memory/2152-90-0x0000000074380000-0x000000007492B000-memory.dmp

    Filesize

    5.7MB

  • memory/2152-107-0x0000000074380000-0x000000007492B000-memory.dmp

    Filesize

    5.7MB

  • memory/2152-70-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2152-95-0x0000000074380000-0x000000007492B000-memory.dmp

    Filesize

    5.7MB

  • memory/2152-96-0x0000000074380000-0x000000007492B000-memory.dmp

    Filesize

    5.7MB

  • memory/2152-97-0x0000000074380000-0x000000007492B000-memory.dmp

    Filesize

    5.7MB

  • memory/2396-99-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2396-100-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2396-105-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/3028-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3028-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3028-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB