Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 02:19

General

  • Target

    66411161faca1e2387d246ef7d69d73cf2f848725546f6cfcc87bb4c4851bb9b.exe

  • Size

    675KB

  • MD5

    457e798bc2159b05a4c42047349aed4e

  • SHA1

    75c0f721282465e22020a8b78bdfcd0a6617f877

  • SHA256

    66411161faca1e2387d246ef7d69d73cf2f848725546f6cfcc87bb4c4851bb9b

  • SHA512

    030b7d6fac4218b591a635465dde7de2a9d57cd4eb50750db0b65917eed105443d22e5b38783b099112f752231d009994959b9d31ac06e1d5d8a2f99135d0cd7

  • SSDEEP

    6144:TZ6yPoa2GhNl6AnwIcGwYXgrkMY358MZ3kFOO9I6zpq6erP6gppadQ/7TviOWBWi:oa2iNlw0PmkNMO4I6zpOqde6nKfX1kR

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 5 IoCs
  • Detects executables packed with SmartAssembly 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs
  • 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 2 TTPs

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

  • Looks up external IP address via web service 1 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66411161faca1e2387d246ef7d69d73cf2f848725546f6cfcc87bb4c4851bb9b.exe
    "C:\Users\Admin\AppData\Local\Temp\66411161faca1e2387d246ef7d69d73cf2f848725546f6cfcc87bb4c4851bb9b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2080
    • 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\66411161faca1e2387d246ef7d69d73cf2f848725546f6cfcc87bb4c4851bb9b.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2456
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DPitdstfgiH.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2460
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DPitdstfgiH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCC73.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2964
    • C:\Users\Admin\AppData\Local\Temp\66411161faca1e2387d246ef7d69d73cf2f848725546f6cfcc87bb4c4851bb9b.exe
      "C:\Users\Admin\AppData\Local\Temp\66411161faca1e2387d246ef7d69d73cf2f848725546f6cfcc87bb4c4851bb9b.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpCC73.tmp

    Filesize

    1KB

    MD5

    d53b519a67403e5d52560ae4989572c3

    SHA1

    c54c44e5de7eb0c162653b74a3380eaedbfc7bf1

    SHA256

    06fa5a5e5effa2ab910471f7bd6f95c5175642df29bbb57143c53791910a3c92

    SHA512

    e6f281e1b6528d26e8447d2090612ba8c2b5b4c347973a61eee29fce6ed3bd0a6dbd4f99df0218543330648c2533733d9579caf67a4f247b9d0baabbee43d143

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\NSRE1SFOTPJJL5ISOESZ.temp

    Filesize

    7KB

    MD5

    1b955828dced9142595da06e0bec073e

    SHA1

    4f4dd46c35bf481892d009a78af7fb0389e5afc0

    SHA256

    5f333430446feac970d1a21ac9a8ecc6448d74f06a2e8ff89aaeded5470bcf39

    SHA512

    ebe01cf594d9f5a417ee177b941ab8f965e50245f9b4aa4806c43fbb6119411155189c138ccec41a722a84fdd5e66257aac33212d7a33e00d3f497f65dca374b

  • memory/2080-3-0x00000000004E0000-0x00000000004F2000-memory.dmp

    Filesize

    72KB

  • memory/2080-34-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2080-4-0x0000000000500000-0x000000000050C000-memory.dmp

    Filesize

    48KB

  • memory/2080-5-0x00000000052E0000-0x0000000005364000-memory.dmp

    Filesize

    528KB

  • memory/2080-6-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2080-7-0x0000000004F10000-0x0000000004F50000-memory.dmp

    Filesize

    256KB

  • memory/2080-2-0x0000000004F10000-0x0000000004F50000-memory.dmp

    Filesize

    256KB

  • memory/2080-1-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2080-0-0x0000000000E50000-0x0000000000EFA000-memory.dmp

    Filesize

    680KB

  • memory/2456-43-0x000000006F7F0000-0x000000006FD9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2456-39-0x000000006F7F0000-0x000000006FD9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2456-37-0x00000000026F0000-0x0000000002730000-memory.dmp

    Filesize

    256KB

  • memory/2456-36-0x000000006F7F0000-0x000000006FD9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2460-38-0x00000000027C0000-0x0000000002800000-memory.dmp

    Filesize

    256KB

  • memory/2460-35-0x000000006F7F0000-0x000000006FD9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2460-44-0x000000006F7F0000-0x000000006FD9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2460-40-0x000000006F7F0000-0x000000006FD9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2748-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2748-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2748-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2748-31-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2748-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2748-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2748-41-0x0000000000D80000-0x0000000000DC0000-memory.dmp

    Filesize

    256KB

  • memory/2748-42-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2748-33-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2748-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2748-45-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB