Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 15:44

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:856
    • 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:2980
    • 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:2668
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lVKVSUhnFGi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3E0A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2652
    • 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:2592

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3E0A.tmp
    Filesize

    1KB

    MD5

    4b9e436ecc2d668c6d9e9f376a20125a

    SHA1

    f7c83f5581ecb0bb316adb0806fd511c83872c61

    SHA256

    7c9e4fe1c003182877ca59b11329b1d1ce8fb30127b720f5af089103ba8c2c06

    SHA512

    1c9ae35b7bfbe78d5ad309ba52f81ce9fd73a9a97174a2a465e338a3dbc5e715863f64f47f1f10ca8bbb9cefeb8a8751b98cfb5fce6f025035553db25fd4cb0a

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

    7KB

    MD5

    df5d5eee8c7979688d2c696410641477

    SHA1

    533ae5c018f33daf8b0fa8a0b081719c1149fb6c

    SHA256

    83a6705a479851889c314be32b5dd902ce60116a7891601b9fe066a55985eb89

    SHA512

    b393aabb4c40c754b30f1164069920c07ae0b95b7b22604013f55c94d569218474a19d05b26731e4e4860134815c233ff2755a2cea1a7a612e9649cfd2562dfb

  • memory/856-4-0x0000000000690000-0x00000000006AA000-memory.dmp
    Filesize

    104KB

  • memory/856-31-0x0000000074800000-0x0000000074EEE000-memory.dmp
    Filesize

    6.9MB

  • memory/856-0-0x000000007480E000-0x000000007480F000-memory.dmp
    Filesize

    4KB

  • memory/856-5-0x0000000000490000-0x00000000004A0000-memory.dmp
    Filesize

    64KB

  • memory/856-6-0x00000000052E0000-0x0000000005362000-memory.dmp
    Filesize

    520KB

  • memory/856-2-0x0000000074800000-0x0000000074EEE000-memory.dmp
    Filesize

    6.9MB

  • memory/856-1-0x0000000000D10000-0x0000000000DBE000-memory.dmp
    Filesize

    696KB

  • memory/856-3-0x00000000042D0000-0x0000000004372000-memory.dmp
    Filesize

    648KB

  • memory/2592-20-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2592-28-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2592-30-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2592-29-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2592-23-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2592-21-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2592-25-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2592-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB