Analysis

  • max time kernel
    125s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 14:20

General

  • Target

    723e7c1139d82d5a440909f5a3cba306_JaffaCakes118.exe

  • Size

    732KB

  • MD5

    723e7c1139d82d5a440909f5a3cba306

  • SHA1

    b733583481aa78f05e81435771c62dd24d2ce95f

  • SHA256

    86d5021cc2c237026b8d86c324debdb38c50b8e1988488f2e2bd2686f4f653a0

  • SHA512

    0af161592fd00e8f6a9c7839c01e1b3a7f730068cdce562f3bf632f28add49967dd0305ea621d972b80265bbefe5ec3864406ec5f9ba4442a7914858bf5b3115

  • SSDEEP

    12288:4VJtYUkkoGly3cJuq2kqYNwnJtFB/yDhv4BK9fsp6b8u8wkpuzvX3X/zid6lgpn:4VJOUnoOy3cwq2ZYNwnGDhv4BK9Up6ba

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 3 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\723e7c1139d82d5a440909f5a3cba306_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\723e7c1139d82d5a440909f5a3cba306_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Users\Admin\AppData\Roaming\Windows Update.exe
      "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1964
      • 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
        PID:1868
      • 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⤵
          PID:1288

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      68KB

      MD5

      29f65ba8e88c063813cc50a4ea544e93

      SHA1

      05a7040d5c127e68c25d81cc51271ffb8bef3568

      SHA256

      1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

      SHA512

      e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

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

      Filesize

      84B

      MD5

      782f6247eaf698d95249d2b1c6e24ed9

      SHA1

      ea1e94755947f60d4f2507c6e6d688c49f988890

      SHA256

      8257369b61f7d97edaa803298930b0a8f535ab6397250ff549233ceabee42b0f

      SHA512

      d4097181af19e0f0d2fe6248789f68e93e6eb9e606845a7c57f75b1fa5c56c2f38085c6a6fd0bb20c4cb0cce697b2c0e891f08b4cea7d1ece0763cc90a1c2c17

    • C:\Users\Admin\AppData\Local\Temp\Tar3F68.tmp

      Filesize

      177KB

      MD5

      435a9ac180383f9fa094131b173a2f7b

      SHA1

      76944ea657a9db94f9a4bef38f88c46ed4166983

      SHA256

      67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

      SHA512

      1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • C:\Users\Admin\AppData\Roaming\Windows Update.exe

      Filesize

      732KB

      MD5

      723e7c1139d82d5a440909f5a3cba306

      SHA1

      b733583481aa78f05e81435771c62dd24d2ce95f

      SHA256

      86d5021cc2c237026b8d86c324debdb38c50b8e1988488f2e2bd2686f4f653a0

      SHA512

      0af161592fd00e8f6a9c7839c01e1b3a7f730068cdce562f3bf632f28add49967dd0305ea621d972b80265bbefe5ec3864406ec5f9ba4442a7914858bf5b3115

    • memory/1288-67-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1288-64-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1288-63-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1868-62-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1868-56-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1868-59-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1868-58-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1964-69-0x0000000074AA0000-0x000000007504B000-memory.dmp

      Filesize

      5.7MB

    • memory/1964-17-0x0000000074AA0000-0x000000007504B000-memory.dmp

      Filesize

      5.7MB

    • memory/1964-111-0x0000000074AA0000-0x000000007504B000-memory.dmp

      Filesize

      5.7MB

    • memory/1964-18-0x0000000074AA0000-0x000000007504B000-memory.dmp

      Filesize

      5.7MB

    • memory/1964-13-0x0000000074AA0000-0x000000007504B000-memory.dmp

      Filesize

      5.7MB

    • memory/1964-11-0x0000000074AA0000-0x000000007504B000-memory.dmp

      Filesize

      5.7MB

    • memory/1964-110-0x0000000074AA0000-0x000000007504B000-memory.dmp

      Filesize

      5.7MB

    • memory/2484-0-0x0000000074AA1000-0x0000000074AA2000-memory.dmp

      Filesize

      4KB

    • memory/2484-1-0x0000000074AA0000-0x000000007504B000-memory.dmp

      Filesize

      5.7MB

    • memory/2484-2-0x0000000074AA0000-0x000000007504B000-memory.dmp

      Filesize

      5.7MB

    • memory/2484-12-0x0000000074AA0000-0x000000007504B000-memory.dmp

      Filesize

      5.7MB