Analysis

  • max time kernel
    136s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-09-2024 20:27

General

  • Target

    a255f84c37ae5dfa20453a9dafdc540f8bde56059e630399ce4bc5c1502a5296.exe

  • Size

    753KB

  • MD5

    881e968ddf34c38943a56651a3870174

  • SHA1

    e53ce4b02ba94d3dbc36c09b4e6ae6bfa8960bf6

  • SHA256

    a255f84c37ae5dfa20453a9dafdc540f8bde56059e630399ce4bc5c1502a5296

  • SHA512

    3c2b2690fa49f75a7b987e6e6658f2a34a548c1b1497dc16748e64eefd2236ce5baa5621aef18753f8ddc087cf20200b64741169ed0c8058063f06f32526d1c3

  • SSDEEP

    12288:Fbdwa5NYkVSsTMDFEgqeRjP73lxNQvFHHbb/lb/////////////////FPTPRt:NqazYZsTYFlFP71xNiHbhb/////////J

Malware Config

Signatures

  • HawkEye

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

  • Detected Nirsoft tools 12 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 9 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 9 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).

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a255f84c37ae5dfa20453a9dafdc540f8bde56059e630399ce4bc5c1502a5296.exe
    "C:\Users\Admin\AppData\Local\Temp\a255f84c37ae5dfa20453a9dafdc540f8bde56059e630399ce4bc5c1502a5296.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2056
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Update\VDFFSHBXCTFGHDNMBGKZXDDXNVMNCCXBGBNXJNCJM" /XML "C:\Users\Admin\AppData\Local\Temp\z108"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2752
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.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:2988
      • 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:1344
      • 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:600
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 1076
        3⤵
        • System Location Discovery: System Language Discovery
        PID:856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabA6AD.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • C:\Users\Admin\AppData\Local\Temp\z108

    Filesize

    1KB

    MD5

    b796f261d167abc8d6e55e564f6043b8

    SHA1

    542ef95d4b7e1c1c712be8a89caffcad3b14e119

    SHA256

    ade6d02cf9977a8667e14b71af9c98b89e3f0d741275787c5f1bcf0b1b456a9d

    SHA512

    86bdc8e2b577150124b102e2e8071af5ff4bed28183b79c1a66f6204e9f0bee08fba0608730df002cbbdffa6c58a236b897239385062100e72f4e3b646e5fdc8

  • memory/600-55-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/600-61-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/600-54-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1344-53-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1344-50-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1344-51-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2056-20-0x0000000074190000-0x000000007473B000-memory.dmp

    Filesize

    5.7MB

  • memory/2056-0-0x0000000074191000-0x0000000074192000-memory.dmp

    Filesize

    4KB

  • memory/2056-1-0x0000000074190000-0x000000007473B000-memory.dmp

    Filesize

    5.7MB

  • memory/2056-47-0x0000000074190000-0x000000007473B000-memory.dmp

    Filesize

    5.7MB

  • memory/2056-46-0x0000000074190000-0x000000007473B000-memory.dmp

    Filesize

    5.7MB

  • memory/2988-26-0x00000000001A0000-0x0000000000228000-memory.dmp

    Filesize

    544KB

  • memory/2988-24-0x00000000001A0000-0x0000000000228000-memory.dmp

    Filesize

    544KB

  • memory/2988-29-0x00000000001A0000-0x0000000000228000-memory.dmp

    Filesize

    544KB

  • memory/2988-31-0x00000000001A0000-0x0000000000228000-memory.dmp

    Filesize

    544KB

  • memory/2988-34-0x00000000001A0000-0x0000000000228000-memory.dmp

    Filesize

    544KB

  • memory/2988-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2988-38-0x00000000001A0000-0x0000000000228000-memory.dmp

    Filesize

    544KB

  • memory/2988-42-0x00000000001A0000-0x0000000000228000-memory.dmp

    Filesize

    544KB

  • memory/2988-45-0x00000000001A0000-0x0000000000228000-memory.dmp

    Filesize

    544KB