Analysis

  • max time kernel
    139s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-04-2023 12:57

General

  • Target

    LOS No 140491194.exe

  • Size

    676KB

  • MD5

    ba67bb555e5e1d845b4e549df2c8b493

  • SHA1

    ff966c9355cbc922e0eb162d8dae6db2244267da

  • SHA256

    5b58f94841a17d6f347c5d32f4ac2e2fb6d7e4954d65b5138ed7fb44c924c3a0

  • SHA512

    6414fcf1c07c6c6a78f0a71a040b2ad0df764ac59168b3fb49ccaafd4bdb356c3974710e8475d4bed37f22efc14967f6b9218d8f5d779ab05402cefc469a2bcc

  • SSDEEP

    12288:HKPFSPmnULyywVBGh0NaHo3EpGs3TH8HzZF/gxMdib/:HiFS2UDwVBNNYoUpZTcFg/z

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LOS No 140491194.exe
    "C:\Users\Admin\AppData\Local\Temp\LOS No 140491194.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4660

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4660-140-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/4660-146-0x0000000004F30000-0x0000000004F40000-memory.dmp
    Filesize

    64KB

  • memory/4660-145-0x0000000006A90000-0x0000000006C52000-memory.dmp
    Filesize

    1.8MB

  • memory/4660-144-0x0000000006820000-0x0000000006870000-memory.dmp
    Filesize

    320KB

  • memory/4660-143-0x0000000004F30000-0x0000000004F40000-memory.dmp
    Filesize

    64KB

  • memory/4660-142-0x0000000004E90000-0x0000000004EF6000-memory.dmp
    Filesize

    408KB

  • memory/4928-136-0x00000000054E0000-0x000000000557C000-memory.dmp
    Filesize

    624KB

  • memory/4928-139-0x0000000005680000-0x0000000005690000-memory.dmp
    Filesize

    64KB

  • memory/4928-138-0x0000000005680000-0x0000000005690000-memory.dmp
    Filesize

    64KB

  • memory/4928-137-0x00000000053B0000-0x00000000053BA000-memory.dmp
    Filesize

    40KB

  • memory/4928-133-0x0000000000970000-0x0000000000A1E000-memory.dmp
    Filesize

    696KB

  • memory/4928-135-0x0000000005440000-0x00000000054D2000-memory.dmp
    Filesize

    584KB

  • memory/4928-134-0x00000000059F0000-0x0000000005F94000-memory.dmp
    Filesize

    5.6MB