Analysis

  • max time kernel
    125s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2024 19:03

General

  • Target

    2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe

  • Size

    660KB

  • MD5

    03a5ea04ef15bca68edf74f38463087e

  • SHA1

    ce7ffb5982cb5c5a66854d4931c6be802b06cf3e

  • SHA256

    0dfb3176683efa54883d71a9c575d15f2fcee4293e53dd99db71d9bdfed9913f

  • SHA512

    5f9df5ec1e8338ef0935329decce78f1699dd835a48faacb869212c72e8fef0b6384c8c0e12abf19f41edd76366e9b9ee55152550025839a348ecd3ebde4b706

  • SSDEEP

    12288:u2hpKuNFgElu1Wt2yAS6yFQTWnk1q1vvG2eZkmMwP3OI4kDkRpzA8aR:u2HKQNlZtlAS6yFMOPTVsqrAF

Malware Config

Signatures

  • HawkEye

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

  • Detected Nirsoft tools 11 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 8 IoCs

    Password recovery tool for various web browsers

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 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 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\ghh3-_oh.cmdline"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2808
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES6163.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC6162.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2592
    • C:\Users\Admin\AppData\Local\Temp\2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-10-11_03a5ea04ef15bca68edf74f38463087e_hiddentear.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3016
      • 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:2772
      • 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:2788
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 1004
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1456
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Process" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\VQIiOOXA.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1416
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Process" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\VQIiOOXA.exe
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:1772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab601C.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\RES6163.tmp

    Filesize

    1KB

    MD5

    52acc019e98c399e1f47724d184905c8

    SHA1

    bec629257ea001b837fc3e2648c8ecad8dbb019c

    SHA256

    ab7d34e324fc40d31542dece4246f21fdc23ee3c774168c72baba680c48baee1

    SHA512

    ab06c26feecfd464d38e0afa1dd72fd58a8cc59446a8c6764b8446122a8c7a91429dc2010faac939331f23ef8673643230e880f5d08a2f8876424e47c02efb58

  • C:\Users\Admin\AppData\Local\Temp\ghh3-_oh.dll

    Filesize

    1.1MB

    MD5

    86b06686d9d430031972c993afb68bc7

    SHA1

    c8a131e7d21a7892f7dce653d44632876bdae314

    SHA256

    cf254a43342e865fbf2a0adbcca5089e9a5f694b191ca1672752f825c8d64eb8

    SHA512

    178df8f711d54d97ca764310575344759c977b3162ab82ac037190a37577e1549205afca42241273c319ee0ffbb4292bd12736367cc306279d86ab462108c2bc

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

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • \??\c:\Users\Admin\AppData\Local\Temp\CSC6162.tmp

    Filesize

    652B

    MD5

    5e6a2828a956b85943cf05212cfbf91d

    SHA1

    004d294cc1bede107d224e3a5b5f724a030b8ea9

    SHA256

    a6a6bdce17d84d9d1329a99ce23f47dcd96716a9f656cfd481263b98b6f5f4a3

    SHA512

    3664a730f67898af071abe74dfde84ba00089738807fdf0a4ad3556cff8a777f85273e3a6aa83e4cb82979c995d1dc42b9ef5681ba0a560a8c8adf8f5215df73

  • \??\c:\Users\Admin\AppData\Local\Temp\ghh3-_oh.cmdline

    Filesize

    196B

    MD5

    b2a3279747039e825d458bddfd7400c8

    SHA1

    150d434f0cebf609634c9c98942be2a3d982eeb6

    SHA256

    7d65c66190803a05740c1c201d11c530a1dd0207acbcde6577f4442f1109a965

    SHA512

    22bd50dec264d808b65c572fd826c56b605bf56e20ddfc3e77983f1edc276dfcba2bf2639d4fa8ad123d491ef116f8ba679d35ce0838b10d5245068b476ea95d

  • \??\c:\Users\Admin\AppData\Local\Temp\tmp605C.tmp.txt

    Filesize

    549KB

    MD5

    2685c4e3d19e4838a9ad3f51083652e5

    SHA1

    ab52629512c4ea07fa0193d84c4df6a742ebec51

    SHA256

    e49817106c90a6bf68190fe6f25951b0ec9ccc7c9ff5470ffad9c7c2985eefb3

    SHA512

    4d09d4c8e27c5cb68412bed52d6282619a99a837f769c518a57ac163f6af64197b190841c9c664956f136ae45c2da610f9ae1910e17d2710da59661b571e01e7

  • memory/2772-59-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2772-62-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2772-58-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2788-70-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2788-64-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2788-63-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2808-24-0x0000000074080000-0x000000007462B000-memory.dmp

    Filesize

    5.7MB

  • memory/2808-31-0x0000000074080000-0x000000007462B000-memory.dmp

    Filesize

    5.7MB

  • memory/2816-53-0x0000000074080000-0x000000007462B000-memory.dmp

    Filesize

    5.7MB

  • memory/2816-8-0x0000000074080000-0x000000007462B000-memory.dmp

    Filesize

    5.7MB

  • memory/2816-0-0x0000000074081000-0x0000000074082000-memory.dmp

    Filesize

    4KB

  • memory/3016-48-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/3016-52-0x0000000074080000-0x000000007462B000-memory.dmp

    Filesize

    5.7MB

  • memory/3016-38-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/3016-41-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/3016-60-0x0000000074080000-0x000000007462B000-memory.dmp

    Filesize

    5.7MB

  • memory/3016-43-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/3016-44-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3016-50-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/3016-34-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/3016-36-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/3016-71-0x0000000074080000-0x000000007462B000-memory.dmp

    Filesize

    5.7MB