Analysis

  • max time kernel
    95s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 10 IoCs

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

  • NirSoft MailPassView 7 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 6 IoCs

    Password recovery tool for various web browsers

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 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
  • 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.

  • 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
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f8b743c79b3c2b3a6d76992a699ceb23_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f8b743c79b3c2b3a6d76992a699ceb23_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Update\pudvhuipodfbhuhcfvtrbopdbrftgqcyhufmokcf" /XML "C:\Users\Admin\AppData\Local\Temp\z610"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4376
    • 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:5112
      • 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:1732
      • 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:3300
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 2416
        3⤵
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:2268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\f8b743c79b3c2b3a6d76992a699ceb23_JaffaCakes118.exe.log

    Filesize

    319B

    MD5

    da4fafeffe21b7cb3a8c170ca7911976

    SHA1

    50ef77e2451ab60f93f4db88325b897d215be5ad

    SHA256

    7341a4a13e81cbb5b7f39ec47bb45f84836b08b8d8e3ea231d2c7dad982094f7

    SHA512

    0bc24b69460f31a0ebc0628b99908d818ee85feb7e4b663271d9375b30cced0cd55a0bbf8edff1281a4c886ddf4476ffc989c283069cdcb1235ffcb265580fc6

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

    Filesize

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • C:\Users\Admin\AppData\Local\Temp\z610

    Filesize

    1KB

    MD5

    746a10ee12ad1c7a1b6a1526333bebd3

    SHA1

    65ccda9a9975bf4ba10ab701737a54d725054d84

    SHA256

    f2a66f7627c819def9a7dafe3cd8f615ef9d6d10824f2a7eff986c110f32b967

    SHA512

    c60fbc228901244844b4b12c51b81e14c05d0e2df8f192d678af89b1c4831b73abd91bc528877d0ba74c7d2f61e46315079772f38bf5158a58bc61737288975c

  • memory/1732-27-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1732-26-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1732-24-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1732-30-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2716-8-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB

  • memory/2716-19-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB

  • memory/2716-0-0x0000000074D02000-0x0000000074D03000-memory.dmp

    Filesize

    4KB

  • memory/2716-7-0x0000000074D02000-0x0000000074D03000-memory.dmp

    Filesize

    4KB

  • memory/2716-2-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB

  • memory/2716-1-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB

  • memory/3300-39-0x0000000000460000-0x0000000000529000-memory.dmp

    Filesize

    804KB

  • memory/3300-40-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/3300-33-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/3300-32-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/5112-20-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB

  • memory/5112-31-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB

  • memory/5112-23-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB

  • memory/5112-18-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB

  • memory/5112-12-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/5112-14-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/5112-13-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/5112-47-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB