Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 14:25

General

  • Target

    INSTALLATION BOQ KATSINA.exe

  • Size

    1.0MB

  • MD5

    ccdd09951364a23f760ac5b6425dabe4

  • SHA1

    00f370ab98cbbd7cb81b522b52154859240a1f7c

  • SHA256

    988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800

  • SHA512

    c0d7f193e92060a14eed04e867a4b57004e0acd63118e97f921e9d6707242ad8e62a744ab4f6f1f7ed8776df0ffd3c5738bae2fd74d60da977b5fb8d751e1fa4

  • SSDEEP

    24576:2R+ow4bjw4b0LqM4oxEK8GPMdiXCC3MkejWIF5y73:2Rrw4bjw4b0/XPMdiyC3M/So5E3

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INSTALLATION BOQ KATSINA.exe
    "C:\Users\Admin\AppData\Local\Temp\INSTALLATION BOQ KATSINA.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4732
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\INSTALLATION BOQ KATSINA.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4396
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4244

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sdipd3wy.ues.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/4244-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/4244-63-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4244-55-0x0000000006DE0000-0x0000000006E30000-memory.dmp

    Filesize

    320KB

  • memory/4244-16-0x00000000059D0000-0x0000000005A36000-memory.dmp

    Filesize

    408KB

  • memory/4244-18-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4244-14-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4396-51-0x0000000007770000-0x000000000778A000-memory.dmp

    Filesize

    104KB

  • memory/4396-53-0x00000000079F0000-0x0000000007A86000-memory.dmp

    Filesize

    600KB

  • memory/4396-62-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4396-59-0x0000000007A90000-0x0000000007A98000-memory.dmp

    Filesize

    32KB

  • memory/4396-58-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

    Filesize

    104KB

  • memory/4396-57-0x00000000079B0000-0x00000000079C4000-memory.dmp

    Filesize

    80KB

  • memory/4396-56-0x00000000079A0000-0x00000000079AE000-memory.dmp

    Filesize

    56KB

  • memory/4396-54-0x0000000007970000-0x0000000007981000-memory.dmp

    Filesize

    68KB

  • memory/4396-52-0x00000000077E0000-0x00000000077EA000-memory.dmp

    Filesize

    40KB

  • memory/4396-17-0x0000000002B50000-0x0000000002B86000-memory.dmp

    Filesize

    216KB

  • memory/4396-50-0x0000000007DB0000-0x000000000842A000-memory.dmp

    Filesize

    6.5MB

  • memory/4396-20-0x0000000005510000-0x0000000005B38000-memory.dmp

    Filesize

    6.2MB

  • memory/4396-19-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4396-21-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4396-49-0x0000000007430000-0x00000000074D3000-memory.dmp

    Filesize

    652KB

  • memory/4396-29-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4396-23-0x0000000005B40000-0x0000000005BA6000-memory.dmp

    Filesize

    408KB

  • memory/4396-22-0x0000000005470000-0x0000000005492000-memory.dmp

    Filesize

    136KB

  • memory/4396-30-0x0000000005DF0000-0x0000000006144000-memory.dmp

    Filesize

    3.3MB

  • memory/4396-35-0x0000000006450000-0x000000000646E000-memory.dmp

    Filesize

    120KB

  • memory/4396-36-0x00000000064E0000-0x000000000652C000-memory.dmp

    Filesize

    304KB

  • memory/4396-37-0x00000000073F0000-0x0000000007422000-memory.dmp

    Filesize

    200KB

  • memory/4396-38-0x0000000070460000-0x00000000704AC000-memory.dmp

    Filesize

    304KB

  • memory/4396-48-0x00000000073B0000-0x00000000073CE000-memory.dmp

    Filesize

    120KB

  • memory/4732-2-0x0000000007B00000-0x00000000080A4000-memory.dmp

    Filesize

    5.6MB

  • memory/4732-4-0x0000000004BD0000-0x0000000004BDA000-memory.dmp

    Filesize

    40KB

  • memory/4732-0-0x000000007480E000-0x000000007480F000-memory.dmp

    Filesize

    4KB

  • memory/4732-5-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4732-8-0x00000000077D0000-0x00000000077E0000-memory.dmp

    Filesize

    64KB

  • memory/4732-15-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4732-3-0x0000000007640000-0x00000000076D2000-memory.dmp

    Filesize

    584KB

  • memory/4732-6-0x0000000008340000-0x00000000083DC000-memory.dmp

    Filesize

    624KB

  • memory/4732-7-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

    Filesize

    104KB

  • memory/4732-11-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4732-10-0x000000007480E000-0x000000007480F000-memory.dmp

    Filesize

    4KB

  • memory/4732-9-0x00000000087E0000-0x0000000008862000-memory.dmp

    Filesize

    520KB

  • memory/4732-1-0x0000000000680000-0x0000000000788000-memory.dmp

    Filesize

    1.0MB