Analysis

  • max time kernel
    149s
  • max time network
    111s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 11:59

General

  • Target

    5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f.exe

  • Size

    742KB

  • MD5

    9e86c85f3d451e8a8716c39dbe28379a

  • SHA1

    c23ac963949b1c91ae566be269971e72808376a7

  • SHA256

    5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f

  • SHA512

    f8a4c42b41e3d4333120ad76701fff135f64805e558a4cf50fad17f86af1ed71ce4bbc34ab2128d72caa9029e76b30d29be29ba5a6873315538c3949b8cfa422

  • SSDEEP

    12288:txGQ/w/DKicDR4RBAwFV340O5BZOKhNSRmDSuo8ukI/Px6VqlZz6oa5Nlt4pWG:PGQYLPRBAwFVo0O5BZOKhNZ9I4UlZmdO

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.mts.rs
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Tptadic

Signatures

  • HawkEye

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

  • Hawkeye family
  • Detected Nirsoft tools 7 IoCs

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

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 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 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f.exe
    "C:\Users\Admin\AppData\Local\Temp\5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4560
    • C:\Users\Admin\AppData\Local\Temp\5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f.exe
      "C:\Users\Admin\AppData\Local\Temp\5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5100
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4848
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • 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:3088
          • 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"
            5⤵
            • Accesses Microsoft Outlook accounts
            • System Location Discovery: System Language Discovery
            PID:1720
          • 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"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:4260

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    102B

    MD5

    7c4dbc15fc3117ea74878e6ccab9b311

    SHA1

    bda818092dc60cb226dca2eb48cec3fb989f6799

    SHA256

    19297f6f41f200a14e1da9ee08cfbd8c2f5431a9ec99ce861a92183e2415a3e8

    SHA512

    60c674c61919e7491bb58192186ddef94844e63cdcc2455563a95f83e6d3426eee99739c43182221447d7fe295ee5ef0ed38c0c4fce92fe7d498b9fd114adb37

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

    Filesize

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

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

    Filesize

    742KB

    MD5

    9e86c85f3d451e8a8716c39dbe28379a

    SHA1

    c23ac963949b1c91ae566be269971e72808376a7

    SHA256

    5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f

    SHA512

    f8a4c42b41e3d4333120ad76701fff135f64805e558a4cf50fad17f86af1ed71ce4bbc34ab2128d72caa9029e76b30d29be29ba5a6873315538c3949b8cfa422

  • memory/1720-45-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1720-43-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1720-42-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3088-41-0x000000000ACA0000-0x000000000ACA8000-memory.dmp

    Filesize

    32KB

  • memory/3088-37-0x0000000008810000-0x0000000008876000-memory.dmp

    Filesize

    408KB

  • memory/3088-31-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3088-47-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4260-49-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4260-48-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4260-56-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4560-7-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-5-0x0000000005390000-0x0000000005398000-memory.dmp

    Filesize

    32KB

  • memory/4560-4-0x0000000005370000-0x0000000005384000-memory.dmp

    Filesize

    80KB

  • memory/4560-0-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

    Filesize

    4KB

  • memory/4560-3-0x00000000053E0000-0x0000000005472000-memory.dmp

    Filesize

    584KB

  • memory/4560-2-0x0000000005890000-0x0000000005E34000-memory.dmp

    Filesize

    5.6MB

  • memory/4560-36-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-35-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

    Filesize

    4KB

  • memory/4560-1-0x0000000000950000-0x0000000000A10000-memory.dmp

    Filesize

    768KB

  • memory/4848-30-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4848-40-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4848-46-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4848-26-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/5100-27-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/5100-12-0x00000000057C0000-0x0000000005816000-memory.dmp

    Filesize

    344KB

  • memory/5100-11-0x00000000056B0000-0x00000000056BA000-memory.dmp

    Filesize

    40KB

  • memory/5100-10-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/5100-9-0x0000000005550000-0x00000000055EC000-memory.dmp

    Filesize

    624KB

  • memory/5100-8-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/5100-6-0x0000000000400000-0x0000000000494000-memory.dmp

    Filesize

    592KB