Analysis

  • max time kernel
    152s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 00:50

General

  • Target

    ac6e643d7a21b7bdc79a749aabc30d7c54fc02e08a7a6a40ce71d472e3611105.exe

  • Size

    756KB

  • MD5

    3ebe850377e3258d0b8f63e2d2f1cb30

  • SHA1

    0a93afbf0a1684c140e159dcda1f1b7336501d59

  • SHA256

    ac6e643d7a21b7bdc79a749aabc30d7c54fc02e08a7a6a40ce71d472e3611105

  • SHA512

    22ff7581945abed82b22428276bc1a0e9fb96f5b854b4651a8a7ad0321c6c70787134056ce4181c4cd0f299944b4a7a2cb3736966d566b4937777c8a7929298e

  • SSDEEP

    12288:I3qBtw2tZ/gDOiWzZx8U9tzLqUTODF/9hKBycUzGpgvFtb7lgZ:I3qLptZIAkoh4ZnHTSZ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    danologa2@gmail.com
  • Password:
    gzccetvqpmnidjbp

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.freehostia.com
  • Port:
    21
  • Username:
    danlog908
  • Password:
    dan123

Signatures

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • Nirsoft 6 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 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
  • 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 use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac6e643d7a21b7bdc79a749aabc30d7c54fc02e08a7a6a40ce71d472e3611105.exe
    "C:\Users\Admin\AppData\Local\Temp\ac6e643d7a21b7bdc79a749aabc30d7c54fc02e08a7a6a40ce71d472e3611105.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4336
    • C:\Users\Admin\AppData\Local\Temp\ac6e643d7a21b7bdc79a749aabc30d7c54fc02e08a7a6a40ce71d472e3611105.exe
      "C:\Users\Admin\AppData\Local\Temp\ac6e643d7a21b7bdc79a749aabc30d7c54fc02e08a7a6a40ce71d472e3611105.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4920
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c copy /z "C:\Users\Admin\AppData\Local\Temp\ac6e643d7a21b7bdc79a749aabc30d7c54fc02e08a7a6a40ce71d472e3611105.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ac6e643d7a21b7bdc79a749aabc30d7c54fc02e08a7a6a40ce71d472e3611105.exe"
        3⤵
        • Drops startup file
        PID:1492
      • 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\logff.txt
        3⤵
          PID:480
        • 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\logmail.txt
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:1228

    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

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    1
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/480-140-0x0000000000000000-mapping.dmp
    • memory/480-144-0x0000000000400000-0x0000000000418000-memory.dmp
      Filesize

      96KB

    • memory/480-143-0x0000000000400000-0x0000000000418000-memory.dmp
      Filesize

      96KB

    • memory/480-141-0x0000000000400000-0x0000000000418000-memory.dmp
      Filesize

      96KB

    • memory/1228-146-0x0000000000000000-mapping.dmp
    • memory/1228-147-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1228-149-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1228-150-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1492-137-0x0000000000000000-mapping.dmp
    • memory/4336-138-0x0000000074E40000-0x00000000753F1000-memory.dmp
      Filesize

      5.7MB

    • memory/4336-132-0x0000000074E40000-0x00000000753F1000-memory.dmp
      Filesize

      5.7MB

    • memory/4336-133-0x0000000074E40000-0x00000000753F1000-memory.dmp
      Filesize

      5.7MB

    • memory/4920-136-0x0000000074E40000-0x00000000753F1000-memory.dmp
      Filesize

      5.7MB

    • memory/4920-134-0x0000000000000000-mapping.dmp
    • memory/4920-139-0x0000000074E40000-0x00000000753F1000-memory.dmp
      Filesize

      5.7MB

    • memory/4920-135-0x0000000000D10000-0x0000000000D1004E-memory.dmp
      Filesize

      78B