Analysis

  • max time kernel
    151s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    30-06-2022 19:26

General

  • Target

    0b785892706eeb877187c1535cd75095942497eb252125b32dfd4cf143761623.exe

  • Size

    720KB

  • MD5

    89c181c4ef1d2826a09493fd093d711c

  • SHA1

    01f9ffba99b1b2502b1ea59086143e47653b7c5f

  • SHA256

    0b785892706eeb877187c1535cd75095942497eb252125b32dfd4cf143761623

  • SHA512

    7e5b3c462a77ec232db03026bc076d67e511582389be349e7a53eac1ff40f6af509a89df7f02430c1227bd2d4a0ca0dba8cae53c69d2616d4c7b1d4da89e45c0

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    mucak2003@gmail.com
  • Password:
    1112973m

Signatures

  • HawkEye

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

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 9 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b785892706eeb877187c1535cd75095942497eb252125b32dfd4cf143761623.exe
    "C:\Users\Admin\AppData\Local\Temp\0b785892706eeb877187c1535cd75095942497eb252125b32dfd4cf143761623.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5084
    • 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"
      2⤵
      • Accesses Microsoft Outlook accounts
      PID:1248
    • 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"
      2⤵
        PID:1224

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Scripting

    1
    T1064

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    1
    T1081

    Collection

    Data from Local System

    1
    T1005

    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

    • memory/1224-137-0x0000000000000000-mapping.dmp
    • memory/1224-138-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1224-140-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1224-141-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1224-143-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1248-132-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1248-131-0x0000000000000000-mapping.dmp
    • memory/1248-134-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1248-135-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/5084-130-0x00000000751E0000-0x0000000075791000-memory.dmp
      Filesize

      5.7MB

    • memory/5084-136-0x00000000751E0000-0x0000000075791000-memory.dmp
      Filesize

      5.7MB