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Analysis

  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/12/2024, 21:42

General

  • Target

    231eb8d1c2f39452977edb07c49276b0dd9886178d16daee32a8a59dac8a8631.exe

  • Size

    999KB

  • MD5

    fc5828552d2036dc60430b21253b5e44

  • SHA1

    737cf33db7761061bd0774ebbd8976445cb98df1

  • SHA256

    231eb8d1c2f39452977edb07c49276b0dd9886178d16daee32a8a59dac8a8631

  • SHA512

    9eb22f7ed932371a8a083399cd4dc48daebbddb6daa5f547d07049ac89261b660c25265586800ac1644d74234712b8b37478d1111b0e34c8092ce65bf2cb008f

  • SSDEEP

    24576:ghyp66+rMAW4bzZJfkgmT6sGIcBRLYP64o:AypmA4bNJfkgm2sMBRLN4o

Malware Config

Signatures

  • HawkEye

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

  • Hawkeye family
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\231eb8d1c2f39452977edb07c49276b0dd9886178d16daee32a8a59dac8a8631.exe
    "C:\Users\Admin\AppData\Local\Temp\231eb8d1c2f39452977edb07c49276b0dd9886178d16daee32a8a59dac8a8631.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Users\Admin\AppData\Local\Temp\231eb8d1c2f39452977edb07c49276b0dd9886178d16daee32a8a59dac8a8631.exe
      "C:\Users\Admin\AppData\Local\Temp\231eb8d1c2f39452977edb07c49276b0dd9886178d16daee32a8a59dac8a8631.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2760
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe -f "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
        3⤵
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2868
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe -f "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1636
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\CryptSvc.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\CryptSvc.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2112
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\EFS.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\EFS.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2612
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\EFS.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\EFS.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1972
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\CryptSvc.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\CryptSvc.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    321B

    MD5

    e62221a3bb549a72fcc4afa60d34e620

    SHA1

    d60b16b540e0e3ed459a30cce0678d1fc8a1989a

    SHA256

    587f8f51485b575f30e5e1608f70b31b9d8bb384318802373cc52cbdf2a4aa95

    SHA512

    5b6f6a3a88961b62870e486b02e41d065b3f054f3ad45f7c7e01aff3ba151893e36fd3c13771ed9e3738aaa525296a8ee72adc05fb32932ec3af259404172aed

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

    Filesize

    321B

    MD5

    c3609e29395ccd5fd8407fed36414e75

    SHA1

    04c0c5dc3fcced0c5581c44af17fa60260fb591a

    SHA256

    a32df1c247d5738af4241edc4aa520dbb21013d05d47cac5db96ccfb48de7857

    SHA512

    8bbd7b458f2be6e91c46cad8f682e109c7a7317f9ae89e5ce889ae7d4db5775b83d03016f47b56aa75bd5646a50c06ae7adbf2fc8af6b9f8a976f2ce30de3533

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\CryptSvc.exe

    Filesize

    8KB

    MD5

    e5cfadb65f5a6b27b6a559cb3c286b95

    SHA1

    f33ab26def2759aad5248cf1affa413777148584

    SHA256

    251b78d864900e3a2b6cc168463421e1bc4ca31bfcabe941b595989bda0e5314

    SHA512

    b833256eb469717036cd81673e6b4d2bfa00093955b3d202fcfade785f530c51ccb9c23d883f3d263b985996560f3e67d5c7df51963974b526c79f3ded043d9b

  • C:\Users\Admin\AppData\Roaming\pid.txt

    Filesize

    4B

    MD5

    b0bef4c9a6e50d43880191492d4fc827

    SHA1

    2650a12d36146ad4ab44ad4fc6bb77f59fa487f4

    SHA256

    5fff864d27239fa252f76a884f2d427362b8e758d654db16a80d4136a1dca2d2

    SHA512

    a1053810008990231b9c1a60703ca33ed2f97c0ed2971db8925161c73dd5cd020b1ec93dcbe5d328837c511451cc2bcf6c557bea273279b55413f36b89e18ee3

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\EFS.exe

    Filesize

    999KB

    MD5

    fc5828552d2036dc60430b21253b5e44

    SHA1

    737cf33db7761061bd0774ebbd8976445cb98df1

    SHA256

    231eb8d1c2f39452977edb07c49276b0dd9886178d16daee32a8a59dac8a8631

    SHA512

    9eb22f7ed932371a8a083399cd4dc48daebbddb6daa5f547d07049ac89261b660c25265586800ac1644d74234712b8b37478d1111b0e34c8092ce65bf2cb008f

  • memory/1636-48-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

  • memory/1636-58-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

  • memory/1636-47-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

  • memory/1860-3-0x0000000074220000-0x00000000747CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1860-1-0x0000000074220000-0x00000000747CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1860-59-0x0000000074220000-0x00000000747CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1860-2-0x0000000074220000-0x00000000747CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1860-0-0x0000000074221000-0x0000000074222000-memory.dmp

    Filesize

    4KB

  • memory/1972-69-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1972-72-0x0000000000400000-0x00000000004E6000-memory.dmp

    Filesize

    920KB

  • memory/1972-73-0x0000000000400000-0x00000000004E6000-memory.dmp

    Filesize

    920KB

  • memory/2760-12-0x0000000000080000-0x0000000000166000-memory.dmp

    Filesize

    920KB

  • memory/2760-31-0x0000000074220000-0x00000000747CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2760-16-0x0000000000080000-0x0000000000166000-memory.dmp

    Filesize

    920KB

  • memory/2760-15-0x0000000000080000-0x0000000000166000-memory.dmp

    Filesize

    920KB

  • memory/2760-6-0x0000000000080000-0x0000000000166000-memory.dmp

    Filesize

    920KB

  • memory/2760-23-0x0000000000080000-0x0000000000166000-memory.dmp

    Filesize

    920KB

  • memory/2760-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2760-37-0x0000000074220000-0x00000000747CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2760-30-0x0000000074220000-0x00000000747CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2760-10-0x0000000000080000-0x0000000000166000-memory.dmp

    Filesize

    920KB

  • memory/2760-20-0x0000000000080000-0x0000000000166000-memory.dmp

    Filesize

    920KB

  • memory/2760-8-0x0000000000080000-0x0000000000166000-memory.dmp

    Filesize

    920KB

  • memory/2868-46-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/2868-41-0x0000000000470000-0x00000000004D7000-memory.dmp

    Filesize

    412KB

  • memory/2868-39-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/2868-38-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB