Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-09-2024 01:15

General

  • Target

    457b6241f125cd8c4f030e7b7f05829b89a5e831f624225cb70ea272ecd88876.exe

  • Size

    968KB

  • MD5

    8d310f2e831174aac8eaa5eba20e87ad

  • SHA1

    600ef55976b69523c7973c5d0aeeb91f3fdcf97e

  • SHA256

    457b6241f125cd8c4f030e7b7f05829b89a5e831f624225cb70ea272ecd88876

  • SHA512

    a8a58d69131ae7b6736af515ad800eebe123df03c8c5b909e24ae64e382f310835f984d045f97aabe11a0f489e614b1d8d516add24d9cfde6f261ca88af75839

  • SSDEEP

    24576:izFcFCG6ra2QIi2zGc9rwZTkfrw6bMfR1q:izFcsG3ZDc9riI0q

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 2 IoCs

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 3 TTPs

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

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\457b6241f125cd8c4f030e7b7f05829b89a5e831f624225cb70ea272ecd88876.exe
    "C:\Users\Admin\AppData\Local\Temp\457b6241f125cd8c4f030e7b7f05829b89a5e831f624225cb70ea272ecd88876.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2652
    • 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\457b6241f125cd8c4f030e7b7f05829b89a5e831f624225cb70ea272ecd88876.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2696
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zBzzGAdzqF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2828
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zBzzGAdzqF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5013.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2832
    • C:\Users\Admin\AppData\Local\Temp\457b6241f125cd8c4f030e7b7f05829b89a5e831f624225cb70ea272ecd88876.exe
      "C:\Users\Admin\AppData\Local\Temp\457b6241f125cd8c4f030e7b7f05829b89a5e831f624225cb70ea272ecd88876.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5013.tmp

    Filesize

    1KB

    MD5

    bee81742a83d853d807db592602c1fec

    SHA1

    a1e4dcfab349ade4b813cf64d5bb89d554bfc05b

    SHA256

    1d22076ab26abce1ac3dca76163e9b6e7529930e392354f0c026c60242202ed1

    SHA512

    6053a99a6a1382edcd1994329c23b446a92544d8c97866eb822a316dcdc0804f2da092c589afc48c6a02f91da036608b278b78425bee06d1e1b3e29bcda19085

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    3ca776a92508b71780debea4a3393707

    SHA1

    c6663ec328da74b6564c3d16feb7b2921507425a

    SHA256

    6c757882de52271d24db04ab9830eecb7460e55eddb8d9f9bc1f9c2abfba1943

    SHA512

    6315f08f5c206058d94974628220b01dfab47709acebfe78500a847d9cdf1d53eb284e0b9b9c5043f579330b219c40b252af9863cc1731700e15983ea266ccc6

  • memory/2636-28-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2636-27-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2636-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2636-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2636-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2636-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2636-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2636-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2652-6-0x0000000004E20000-0x0000000004EA4000-memory.dmp

    Filesize

    528KB

  • memory/2652-1-0x0000000000E70000-0x0000000000F64000-memory.dmp

    Filesize

    976KB

  • memory/2652-0-0x000000007414E000-0x000000007414F000-memory.dmp

    Filesize

    4KB

  • memory/2652-2-0x0000000074140000-0x000000007482E000-memory.dmp

    Filesize

    6.9MB

  • memory/2652-3-0x00000000009A0000-0x00000000009B2000-memory.dmp

    Filesize

    72KB

  • memory/2652-5-0x0000000074140000-0x000000007482E000-memory.dmp

    Filesize

    6.9MB

  • memory/2652-4-0x000000007414E000-0x000000007414F000-memory.dmp

    Filesize

    4KB

  • memory/2652-30-0x0000000074140000-0x000000007482E000-memory.dmp

    Filesize

    6.9MB