Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2024, 01:18

General

  • Target
    25ac343704b299d64a52085ec1dcea163423a94b0e9c85839ffbf9e95c00d851.exe
  • Size 823KB
  • Sample240614-bpfw2stbkn
  • SHA256 25ac343704b299d64a52085ec1dcea163423a94b0e9c85839ffbf9e95c00d851
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.skitz.com.ng

  • Port

    587

  • Password

    ihemyorochi12+

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 2 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.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 3 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25ac343704b299d64a52085ec1dcea163423a94b0e9c85839ffbf9e95c00d851.exe
    "C:\Users\Admin\AppData\Local\Temp\25ac343704b299d64a52085ec1dcea163423a94b0e9c85839ffbf9e95c00d851.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4868
    • 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\25ac343704b299d64a52085ec1dcea163423a94b0e9c85839ffbf9e95c00d851.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3376
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TELadiW.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3412
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TELadiW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B24.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3888
    • C:\Users\Admin\AppData\Local\Temp\25ac343704b299d64a52085ec1dcea163423a94b0e9c85839ffbf9e95c00d851.exe
      "C:\Users\Admin\AppData\Local\Temp\25ac343704b299d64a52085ec1dcea163423a94b0e9c85839ffbf9e95c00d851.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2996
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1420 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4292

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          25ac343704b299d64a52085ec1dcea163423a94b0e9c85839ffbf9e95c00d851.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\25ac343704b299d64a52085ec1dcea163423a94b0e9c85839ffbf9e95c00d851.exe.log
          • Size 1KB
          • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
          • MD5 SHA1 SHA512

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 099b572cd101489c64632717647d810c4482fa77c616d9e4b9e0444e4927f2d1
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_y54chuan.c2u.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_y54chuan.c2u.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          tmp8B24.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmp8B24.tmp
          • Size 1KB
          • SHA256 8a30930af8a353d3cb9fc112e8b0a25bdd9db316ac778b8a713753d00fa79761
          • MD5 SHA1 SHA512

          memory/2996-87-0x0000000006810000-0x0000000006860000-memory.dmp

          memory/2996-33-0x0000000000400000-0x0000000000442000-memory.dmp

          memory/3376-73-0x00000000075E0000-0x00000000075FA000-memory.dmp

          memory/3376-75-0x0000000007860000-0x00000000078F6000-memory.dmp

          memory/3376-86-0x0000000074F30000-0x00000000756E0000-memory.dmp

          memory/3376-78-0x0000000007820000-0x0000000007834000-memory.dmp

          memory/3376-77-0x0000000007810000-0x000000000781E000-memory.dmp

          memory/3376-12-0x00000000029A0000-0x00000000029D6000-memory.dmp

          memory/3376-15-0x0000000074F30000-0x00000000756E0000-memory.dmp

          memory/3376-18-0x0000000074F30000-0x00000000756E0000-memory.dmp

          memory/3376-19-0x0000000005450000-0x0000000005A78000-memory.dmp

          memory/3376-20-0x0000000005410000-0x0000000005432000-memory.dmp

          memory/3376-21-0x0000000005B30000-0x0000000005B96000-memory.dmp

          memory/3376-76-0x00000000077E0000-0x00000000077F1000-memory.dmp

          memory/3376-22-0x0000000005C50000-0x0000000005CB6000-memory.dmp

          memory/3376-71-0x00000000074B0000-0x0000000007553000-memory.dmp

          memory/3376-69-0x00000000068F0000-0x000000000690E000-memory.dmp

          memory/3376-36-0x0000000005CC0000-0x0000000006014000-memory.dmp

          memory/3376-50-0x00000000716D0000-0x000000007171C000-memory.dmp

          memory/3412-79-0x0000000007490000-0x00000000074AA000-memory.dmp

          memory/3412-72-0x0000000007790000-0x0000000007E0A000-memory.dmp

          memory/3412-48-0x0000000005EC0000-0x0000000005F0C000-memory.dmp

          memory/3412-51-0x00000000716D0000-0x000000007171C000-memory.dmp

          memory/3412-49-0x0000000006E10000-0x0000000006E42000-memory.dmp

          memory/3412-80-0x0000000007470000-0x0000000007478000-memory.dmp

          memory/3412-74-0x00000000071C0000-0x00000000071CA000-memory.dmp

          memory/3412-47-0x0000000004BC0000-0x0000000004BDE000-memory.dmp

          memory/4868-5-0x00000000050B0000-0x00000000050BA000-memory.dmp

          memory/4868-0-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

          memory/4868-6-0x0000000006890000-0x00000000068B2000-memory.dmp

          memory/4868-8-0x00000000054B0000-0x00000000054C0000-memory.dmp

          memory/4868-7-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

          memory/4868-11-0x0000000074F30000-0x00000000756E0000-memory.dmp

          memory/4868-10-0x000000000C260000-0x000000000C2FC000-memory.dmp

          memory/4868-42-0x0000000074F30000-0x00000000756E0000-memory.dmp

          memory/4868-4-0x0000000074F30000-0x00000000756E0000-memory.dmp

          memory/4868-3-0x0000000004FF0000-0x0000000005082000-memory.dmp

          memory/4868-2-0x00000000054C0000-0x0000000005A64000-memory.dmp

          memory/4868-9-0x0000000004980000-0x0000000004A04000-memory.dmp

          memory/4868-1-0x0000000000540000-0x0000000000610000-memory.dmp