Analysis

  • max time kernel
    135s
  • max time network
    92s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2022 19:32

General

  • Target

    6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe

  • Size

    946KB

  • MD5

    f7e8bc8ce5a1764b9abfa76d114b35a3

  • SHA1

    f955fa29e17ae49cde296c4385bfb131fdf141c1

  • SHA256

    6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2

  • SHA512

    1e25c3ebdf9b41da72f16254ee3756ecbe32cdffbc02cfba59f0a54f9dffbf23fdc5e07d9ed7dd229fa016d20172ebaffc5fee5d975b191ed574d8827c22b77e

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    han.white101@yandex.com
  • Password:
    qwerty67890

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 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
  • 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe
    "C:\Users\Admin\AppData\Local\Temp\6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3548
    • C:\Users\Admin\AppData\Local\Temp\6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe
      C:\Users\Admin\AppData\Local\Temp\6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:736
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2224
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2964
          • 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:4312
          • 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:3460

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

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

    102B

    MD5

    d2cd305d2cea1da86802051a3ad1a351

    SHA1

    edd8b8869b1ac9f8eb9d281a8c4bba231b487534

    SHA256

    24920cf63be0b78920aebd7273caea8c1818c341b76d584991548bfe64afa4d4

    SHA512

    e32109823016d76e3df363cf6baaa6b051f124c35daf9fd4045bb2bb1afa68b969076a85b1c90d565bcab99166f2c41a1d082ebec0f4f868c9dd06e2639aa83d

  • 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

    946KB

    MD5

    f7e8bc8ce5a1764b9abfa76d114b35a3

    SHA1

    f955fa29e17ae49cde296c4385bfb131fdf141c1

    SHA256

    6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2

    SHA512

    1e25c3ebdf9b41da72f16254ee3756ecbe32cdffbc02cfba59f0a54f9dffbf23fdc5e07d9ed7dd229fa016d20172ebaffc5fee5d975b191ed574d8827c22b77e

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

    946KB

    MD5

    f7e8bc8ce5a1764b9abfa76d114b35a3

    SHA1

    f955fa29e17ae49cde296c4385bfb131fdf141c1

    SHA256

    6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2

    SHA512

    1e25c3ebdf9b41da72f16254ee3756ecbe32cdffbc02cfba59f0a54f9dffbf23fdc5e07d9ed7dd229fa016d20172ebaffc5fee5d975b191ed574d8827c22b77e

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

    946KB

    MD5

    f7e8bc8ce5a1764b9abfa76d114b35a3

    SHA1

    f955fa29e17ae49cde296c4385bfb131fdf141c1

    SHA256

    6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2

    SHA512

    1e25c3ebdf9b41da72f16254ee3756ecbe32cdffbc02cfba59f0a54f9dffbf23fdc5e07d9ed7dd229fa016d20172ebaffc5fee5d975b191ed574d8827c22b77e

  • memory/736-145-0x0000000074C50000-0x0000000075201000-memory.dmp
    Filesize

    5.7MB

  • memory/736-133-0x0000000000000000-mapping.dmp
  • memory/736-143-0x00000000775E0000-0x0000000077783000-memory.dmp
    Filesize

    1.6MB

  • memory/736-140-0x0000000006B50000-0x0000000006BE0000-memory.dmp
    Filesize

    576KB

  • memory/736-150-0x00000000775E0000-0x0000000077783000-memory.dmp
    Filesize

    1.6MB

  • memory/736-152-0x0000000074C50000-0x0000000075201000-memory.dmp
    Filesize

    5.7MB

  • memory/736-144-0x00000000775E0000-0x0000000077783000-memory.dmp
    Filesize

    1.6MB

  • memory/736-137-0x0000000000400000-0x0000000000477000-memory.dmp
    Filesize

    476KB

  • memory/2224-155-0x00000000775E0000-0x0000000077783000-memory.dmp
    Filesize

    1.6MB

  • memory/2224-146-0x0000000000000000-mapping.dmp
  • memory/2964-165-0x0000000074C50000-0x0000000075201000-memory.dmp
    Filesize

    5.7MB

  • memory/2964-173-0x0000000074C50000-0x0000000075201000-memory.dmp
    Filesize

    5.7MB

  • memory/2964-164-0x00000000775E0000-0x0000000077783000-memory.dmp
    Filesize

    1.6MB

  • memory/2964-153-0x0000000000000000-mapping.dmp
  • memory/2964-161-0x0000000006B30000-0x0000000006BC0000-memory.dmp
    Filesize

    576KB

  • memory/2964-172-0x00000000775E0000-0x0000000077783000-memory.dmp
    Filesize

    1.6MB

  • memory/3460-179-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3460-177-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3460-175-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3460-174-0x0000000000000000-mapping.dmp
  • memory/3548-134-0x00000000775E0000-0x0000000077783000-memory.dmp
    Filesize

    1.6MB

  • memory/3548-132-0x00000000023D0000-0x00000000023D8000-memory.dmp
    Filesize

    32KB

  • memory/4312-171-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4312-170-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4312-168-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4312-167-0x0000000000000000-mapping.dmp