Analysis

  • max time kernel
    91s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    14-07-2022 07:35

General

  • Target

    472850f10a31b73507eff393a85df997b3a154bdbca8a4b4da5b2b86d34b7f2d.exe

  • Size

    917KB

  • MD5

    3035f93f329aa869a91015f30981e6e5

  • SHA1

    d916f5ac85851ec9880cb4262b6fd8884a1ffc28

  • SHA256

    472850f10a31b73507eff393a85df997b3a154bdbca8a4b4da5b2b86d34b7f2d

  • SHA512

    732dbeb4a27e07a8b4029a960ff5d6488741f83046c0ac0378bde23d21cf5a61305249be270511ff2ce1fbb543efd611ee8b9e1fcc29e18fdc55c4653cdef6fc

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 6 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 10 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 2 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\472850f10a31b73507eff393a85df997b3a154bdbca8a4b4da5b2b86d34b7f2d.exe
    "C:\Users\Admin\AppData\Local\Temp\472850f10a31b73507eff393a85df997b3a154bdbca8a4b4da5b2b86d34b7f2d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\472850f10a31b73507eff393a85df997b3a154bdbca8a4b4da5b2b86d34b7f2d.exe" "C:\Users\Admin\Documents\Project918.exe"
      2⤵
        PID:1428
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\Documents\Project918.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4052
        • C:\Users\Admin\Documents\Project918.exe
          "C:\Users\Admin\Documents\Project918.exe"
          3⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4928
          • C:\Users\Admin\Documents\Project918.exe
            "C:\Users\Admin\Documents\Project918.exe"
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of SetThreadContext
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4680
            • 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
              PID:1536
            • 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⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4612

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Project918.exe.log

      Filesize

      902B

      MD5

      84cda476d23ba49602e40f063fede198

      SHA1

      5eeeab741e5e5473eed158a46ea8178687acfb7e

      SHA256

      68180195fdef699ce7597117481b67f77e35b78cbe2a563412f90c28dd9c1e12

      SHA512

      5c9a2d6e507d41fd634531cdbfecb0fe17a0a4d597bbb7e0e8f82155b447e741610a5cdc39cf5203fb95a388bb068cfbd51f11dcb5ce337071930d89b6c50d8c

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

      Filesize

      3KB

      MD5

      f94dc819ca773f1e3cb27abbc9e7fa27

      SHA1

      9a7700efadc5ea09ab288544ef1e3cd876255086

      SHA256

      a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

      SHA512

      72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

    • C:\Users\Admin\Documents\Project918.exe

      Filesize

      917KB

      MD5

      3035f93f329aa869a91015f30981e6e5

      SHA1

      d916f5ac85851ec9880cb4262b6fd8884a1ffc28

      SHA256

      472850f10a31b73507eff393a85df997b3a154bdbca8a4b4da5b2b86d34b7f2d

      SHA512

      732dbeb4a27e07a8b4029a960ff5d6488741f83046c0ac0378bde23d21cf5a61305249be270511ff2ce1fbb543efd611ee8b9e1fcc29e18fdc55c4653cdef6fc

    • C:\Users\Admin\Documents\Project918.exe

      Filesize

      917KB

      MD5

      3035f93f329aa869a91015f30981e6e5

      SHA1

      d916f5ac85851ec9880cb4262b6fd8884a1ffc28

      SHA256

      472850f10a31b73507eff393a85df997b3a154bdbca8a4b4da5b2b86d34b7f2d

      SHA512

      732dbeb4a27e07a8b4029a960ff5d6488741f83046c0ac0378bde23d21cf5a61305249be270511ff2ce1fbb543efd611ee8b9e1fcc29e18fdc55c4653cdef6fc

    • C:\Users\Admin\Documents\Project918.exe

      Filesize

      917KB

      MD5

      3035f93f329aa869a91015f30981e6e5

      SHA1

      d916f5ac85851ec9880cb4262b6fd8884a1ffc28

      SHA256

      472850f10a31b73507eff393a85df997b3a154bdbca8a4b4da5b2b86d34b7f2d

      SHA512

      732dbeb4a27e07a8b4029a960ff5d6488741f83046c0ac0378bde23d21cf5a61305249be270511ff2ce1fbb543efd611ee8b9e1fcc29e18fdc55c4653cdef6fc

    • memory/1536-150-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1536-149-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1536-147-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2540-132-0x0000000004EB0000-0x0000000004F42000-memory.dmp

      Filesize

      584KB

    • memory/2540-130-0x00000000003E0000-0x00000000004CE000-memory.dmp

      Filesize

      952KB

    • memory/2540-131-0x00000000053C0000-0x0000000005964000-memory.dmp

      Filesize

      5.6MB

    • memory/4612-155-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4612-157-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4612-152-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4612-154-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4680-145-0x0000000009400000-0x0000000009466000-memory.dmp

      Filesize

      408KB

    • memory/4680-144-0x0000000004FC0000-0x0000000005016000-memory.dmp

      Filesize

      344KB

    • memory/4680-140-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/4680-143-0x0000000004E90000-0x0000000004E9A000-memory.dmp

      Filesize

      40KB

    • memory/4928-138-0x0000000008170000-0x000000000820C000-memory.dmp

      Filesize

      624KB