Analysis

  • max time kernel
    120s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 21:37

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
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 4 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 2 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 6 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\231eb8d1c2f39452977edb07c49276b0dd9886178d16daee32a8a59dac8a8631.exe
    "C:\Users\Admin\AppData\Local\Temp\231eb8d1c2f39452977edb07c49276b0dd9886178d16daee32a8a59dac8a8631.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3552
    • 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:3916
      • 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
        • Suspicious use of AdjustPrivilegeToken
        PID:3848
      • 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:4588
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\CryptSvc.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\CryptSvc.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4164
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\EFS.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\EFS.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2808
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\EFS.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\EFS.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: SetClipboardViewer
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:212
          • 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"
            5⤵
            • Accesses Microsoft Outlook accounts
            • Suspicious use of AdjustPrivilegeToken
            PID:4048
          • 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"
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4904
        • 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:3176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    128B

    MD5

    a5dcc7c9c08af7dddd82be5b036a4416

    SHA1

    4f998ca1526d199e355ffb435bae111a2779b994

    SHA256

    e24033ceec97fd03402b03acaaabd1d1e378e83bb1683afbccac760e00f8ead5

    SHA512

    56035de734836c0c39f0b48641c51c26adb6e79c6c65e23ca96603f71c95b8673e2ef853146e87efc899dd1878d0bbc2c82d91fbf0fce81c552048e986f9bb5a

  • 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\Microsoft\Windows\EFS.exe

    Filesize

    999KB

    MD5

    fc5828552d2036dc60430b21253b5e44

    SHA1

    737cf33db7761061bd0774ebbd8976445cb98df1

    SHA256

    231eb8d1c2f39452977edb07c49276b0dd9886178d16daee32a8a59dac8a8631

    SHA512

    9eb22f7ed932371a8a083399cd4dc48daebbddb6daa5f547d07049ac89261b660c25265586800ac1644d74234712b8b37478d1111b0e34c8092ce65bf2cb008f

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

    Filesize

    4B

    MD5

    49cbb75927723efba3b4c108ed4a12f3

    SHA1

    b8913a5f23d9d6250275ed873d6e45d28d80cb48

    SHA256

    c260c3bbf884e315f715f00bc052c8f78f1e00fc5c961d039da3d0766711e596

    SHA512

    c18cb88233cf1f83f58c4757507f6c883ef4c774763a8e772416de82821f74386a0c677ef86d01b6a20282dd45cb2338d94bf38adaeff0942710ec860280855b

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

    Filesize

    102B

    MD5

    7fbf191ac91dbbb90d3a9372d743c9f0

    SHA1

    60f07ad84fe3fa6eb30b67fb3269ccccaf300573

    SHA256

    bebe525a16a20ee8b3867297d45cc6d8703c731080b169d2b4e7f18a06afcdf3

    SHA512

    47e23e98dedf679399342a06e06a9731e1bf911b1232405ab74f74fa9dd681376acbde3980fdca3771f807f6d92d1a10c39a85fd4eb47c941e4f7a6618d3b11c

  • memory/3552-54-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB

  • memory/3552-5-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB

  • memory/3552-1-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB

  • memory/3552-2-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB

  • memory/3552-3-0x0000000074F52000-0x0000000074F53000-memory.dmp

    Filesize

    4KB

  • memory/3552-0-0x0000000074F52000-0x0000000074F53000-memory.dmp

    Filesize

    4KB

  • memory/3552-4-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB

  • memory/3552-38-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB

  • memory/3848-29-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/3848-36-0x0000000000470000-0x0000000000539000-memory.dmp

    Filesize

    804KB

  • memory/3848-30-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/3848-37-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/3916-9-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB

  • memory/3916-8-0x0000000000400000-0x00000000004E6000-memory.dmp

    Filesize

    920KB

  • memory/3916-39-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB

  • memory/3916-10-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB

  • memory/3916-12-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB

  • memory/4048-83-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/4048-76-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/4164-56-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB

  • memory/4164-23-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB

  • memory/4164-24-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB

  • memory/4164-22-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB

  • memory/4164-40-0x0000000074F50000-0x0000000075501000-memory.dmp

    Filesize

    5.7MB

  • memory/4588-52-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

  • memory/4588-42-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

  • memory/4588-41-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

  • memory/4904-85-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

  • memory/4904-95-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB