Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2024 02:13

General

  • Target

    37f6f01682e494d465d971fda501956d_JaffaCakes118.exe

  • Size

    801KB

  • MD5

    37f6f01682e494d465d971fda501956d

  • SHA1

    1e2fe18e8688aa60995f6177c1a7d172e854da2e

  • SHA256

    1f0b08b3161735ea7255f999e2a50b844af17a509b8d3ed0a76f9fff1ed295c7

  • SHA512

    c7a3594144cd8d04d2ee05994023a8e2c13fc1e31a6fc75dda02676a0c64e9eac0daec7789555af68faef35f68ce0a637a7de604ac284ad76965f4270faebb3d

  • SSDEEP

    24576:ihUA2WVCZiuG0uaDl2mMFsQ8wOTp14AybJV5MBt9:IVyi70ZlczgKz5MBt9

Malware Config

Signatures

  • HawkEye

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

  • Detected Nirsoft tools 8 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 5 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).

  • Program crash 2 IoCs
  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\37f6f01682e494d465d971fda501956d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\37f6f01682e494d465d971fda501956d_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Update\qsyfgrgpjygrevghpkjbrbvykopmjhnjhbnjjoghfg" /XML "C:\Users\Admin\AppData\Local\Temp\z677"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2168
    • C:\Users\Admin\AppData\Local\Temp\37f6f01682e494d465d971fda501956d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\37f6f01682e494d465d971fda501956d_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:1924
      • 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:1108
      • 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 use of WriteProcessMemory
        PID:2248
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 36
          4⤵
          • Program crash
          PID:2288
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 1000
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1620
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 1076
        3⤵
        • Program crash
        PID:1544

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

    89c66ea48588f09a1ec49c36d229396a

    SHA1

    7dc6b8a54f86cca026f60ba625bc8910ee23a47a

    SHA256

    8f6ca1c2f5862b9ccb0f14a9db47610388cc39dc332f65c04395ab42fb29bc53

    SHA512

    caa82fa31ea095690e43ef44986c0a10915607f1ef12aab270bda75710a950b8568475a4114b9f9d7153e5d3f3528867dede2ed294461d79c033d2c5bdf59848

  • C:\Users\Admin\AppData\Local\Temp\CabF163.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarF231.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\z677

    Filesize

    1KB

    MD5

    b1b941329a1f585845d6d803bbb6457c

    SHA1

    cbda0a6a6af0cc632d49a17ac5fe1e29f1699d8a

    SHA256

    29219eda437f8d37c282f2112ddbe19c9d4e87933937ecf0b93c69f3c596d632

    SHA512

    dffa55bdf947fa8bf2180b141365d3713494cc898e1a8a45077fff25ae30be3a746de6f3914343b8da91accab53ec04166361e9f45780f69a054082dbe2c21c5

  • memory/1108-90-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1108-95-0x0000000000420000-0x0000000000487000-memory.dmp

    Filesize

    412KB

  • memory/1108-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1108-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1600-85-0x0000000074050000-0x00000000745FB000-memory.dmp

    Filesize

    5.7MB

  • memory/1600-0-0x0000000074051000-0x0000000074052000-memory.dmp

    Filesize

    4KB

  • memory/1600-1-0x0000000074050000-0x00000000745FB000-memory.dmp

    Filesize

    5.7MB

  • memory/1600-2-0x0000000074050000-0x00000000745FB000-memory.dmp

    Filesize

    5.7MB

  • memory/1600-65-0x0000000074050000-0x00000000745FB000-memory.dmp

    Filesize

    5.7MB

  • memory/1924-75-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/1924-86-0x0000000074050000-0x00000000745FB000-memory.dmp

    Filesize

    5.7MB

  • memory/1924-78-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1924-77-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/1924-72-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/1924-73-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/1924-69-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/1924-87-0x0000000074050000-0x00000000745FB000-memory.dmp

    Filesize

    5.7MB

  • memory/1924-93-0x0000000074050000-0x00000000745FB000-memory.dmp

    Filesize

    5.7MB

  • memory/1924-92-0x0000000074050000-0x00000000745FB000-memory.dmp

    Filesize

    5.7MB

  • memory/1924-94-0x0000000074050000-0x00000000745FB000-memory.dmp

    Filesize

    5.7MB

  • memory/1924-82-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/1924-84-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/1924-100-0x0000000074050000-0x00000000745FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2248-98-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB