Analysis

  • max time kernel
    128s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    03-07-2022 03:54

General

  • Target

    3d33eeeee5c2c440509fe4d19b9a59c2e4a718339c500283a78f62b777a45746.exe

  • Size

    1.0MB

  • MD5

    0430cba35d87de27d643d6e7583b1f8a

  • SHA1

    dd860a2adcdd147d85d395ae0df32213118a40ea

  • SHA256

    3d33eeeee5c2c440509fe4d19b9a59c2e4a718339c500283a78f62b777a45746

  • SHA512

    6d512b25b91a6a24d0eb6e16ca5a51a06181c77ea23f90870b26bce4f59166f0ccb933969806ba6eed9ecb365310776f60326a13a1e6cee4f8b74b9ab9824fe8

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 6 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 7 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 11 IoCs
  • Executes dropped EXE 1 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
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d33eeeee5c2c440509fe4d19b9a59c2e4a718339c500283a78f62b777a45746.exe
    "C:\Users\Admin\AppData\Local\Temp\3d33eeeee5c2c440509fe4d19b9a59c2e4a718339c500283a78f62b777a45746.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4608
    • C:\Users\Admin\mLy62Uv\tmjBp.exe
      "C:\Users\Admin\mLy62Uv\tmjBp.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4324
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4068
        • 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"
          4⤵
          • Accesses Microsoft Outlook accounts
          PID:3836
        • 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"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2940

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

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

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • C:\Users\Admin\mLy62Uv\tmjBp.exe
    Filesize

    1.3MB

    MD5

    23cfc4dd51a10cfc19c3e26d135e5f3f

    SHA1

    c64c03fb635c7d243d4c4ad2d1dbf23f5871b037

    SHA256

    a2a378c8984d2a3527c0622aad17e98b26154c8b07f146069b9137286cc1d206

    SHA512

    0841ef1ed71bef927cbd5e1fa035c444ecb1ebc76009e6d51b506aeb1655e1e4744767afeafc44a210ca1b8f3a3ad82b63e386d72fd603773ca95a66856b392d

  • C:\Users\Admin\mLy62Uv\tmjBp.exe
    Filesize

    1.3MB

    MD5

    23cfc4dd51a10cfc19c3e26d135e5f3f

    SHA1

    c64c03fb635c7d243d4c4ad2d1dbf23f5871b037

    SHA256

    a2a378c8984d2a3527c0622aad17e98b26154c8b07f146069b9137286cc1d206

    SHA512

    0841ef1ed71bef927cbd5e1fa035c444ecb1ebc76009e6d51b506aeb1655e1e4744767afeafc44a210ca1b8f3a3ad82b63e386d72fd603773ca95a66856b392d

  • memory/2940-142-0x0000000000000000-mapping.dmp
  • memory/2940-148-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/2940-146-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/2940-145-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/2940-143-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3836-139-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/3836-140-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/3836-137-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/3836-136-0x0000000000000000-mapping.dmp
  • memory/4068-141-0x0000000074AA0000-0x0000000075051000-memory.dmp
    Filesize

    5.7MB

  • memory/4068-135-0x0000000074AA0000-0x0000000075051000-memory.dmp
    Filesize

    5.7MB

  • memory/4068-134-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/4068-133-0x0000000000000000-mapping.dmp
  • memory/4324-130-0x0000000000000000-mapping.dmp