Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 15:47

General

  • Target

    ordinul de cotatie.exe

  • Size

    670KB

  • MD5

    ed3815b037a3f57bfc35bc4b6c97c3a4

  • SHA1

    034cded1a5c78337d11a3b4a0f9b62c270b51862

  • SHA256

    bf2117027a187100dc80baf714dac0341c8f18fdd5e562248c43685ac0ceca29

  • SHA512

    35a733c79702faf74ffed972eb2e2aef139713a4306634c4f3adb9ca6f9667442af24113efb23e1289ab66d64f02ce56e2406d3df98a52806a63ae90321b11ca

  • SSDEEP

    12288:e8EMgXHfAhdhdSsLjQ05GzUPCLDMtUNGQeLq06ShFVr1KFABkeXOaId:e8jgvAhXfQ05Gz3LDUmnAqYjfXXOaI

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6708321519:AAH9WPgZQN8mlLl2zn6ccUEu4DYMqGCeTcQ/

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 2 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).

  • 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 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\ordinul de cotatie.exe
    "C:\Users\Admin\AppData\Local\Temp\ordinul de cotatie.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2272
    • 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\ordinul de cotatie.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2632
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lVKVSUhnFGi.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2652
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lVKVSUhnFGi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3505.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2944
    • C:\Users\Admin\AppData\Local\Temp\ordinul de cotatie.exe
      "C:\Users\Admin\AppData\Local\Temp\ordinul de cotatie.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3505.tmp

    Filesize

    1KB

    MD5

    4452814fdaf25fa35d02b998bb6c6c98

    SHA1

    7486302c3b9b0613b111246c595a10e34f76a0e6

    SHA256

    156c40a4e292231a3afa579928c66e0ba79bbb1b6f22e4674a4ec699b2767cdf

    SHA512

    07423e6eb558cac941521a8c1169212a508e9bf3152f776ae3f99bdd5f1431c4a005743ac2b278464e3c5258b03a8e1c2f1a9e2b30da186e3eeb668ad7e616d7

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

    Filesize

    7KB

    MD5

    b0d2d898e9364cc662098024d98d47a2

    SHA1

    26ea31f9cfb8d16b067a41dfd50b32c8804eb5fb

    SHA256

    d72886c4d6108e9804cff43a710badc0a379734632d74b8022fe63db0c0687d5

    SHA512

    909510dd50b4ad545de38fef4a571c78e8824f6301e89e2e1199cdd89efd9db29231e6bef2460ce9b71043389361c9b057ba091e1525c0cae32f9af2c6fa1bed

  • memory/2272-4-0x00000000005F0000-0x000000000060A000-memory.dmp

    Filesize

    104KB

  • memory/2272-31-0x0000000074200000-0x00000000748EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2272-0-0x000000007420E000-0x000000007420F000-memory.dmp

    Filesize

    4KB

  • memory/2272-5-0x00000000003B0000-0x00000000003C0000-memory.dmp

    Filesize

    64KB

  • memory/2272-6-0x0000000005030000-0x00000000050B2000-memory.dmp

    Filesize

    520KB

  • memory/2272-2-0x0000000074200000-0x00000000748EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2272-1-0x00000000012A0000-0x000000000134E000-memory.dmp

    Filesize

    696KB

  • memory/2272-3-0x0000000000C00000-0x0000000000CA2000-memory.dmp

    Filesize

    648KB

  • memory/2460-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2460-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2460-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2460-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2460-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2460-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2460-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2460-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB