Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-03-2024 04:15

General

  • Target

    ee1f5806bdc523e06b98c513142a735ac3c16da9948c645a9916bd68cf24673b.exe

  • Size

    681KB

  • MD5

    ca2e7abccc5cb10dce5c6e7374fe5a35

  • SHA1

    4c4ff642534ebb32d4edd6c752f6309ee9fbcf02

  • SHA256

    ee1f5806bdc523e06b98c513142a735ac3c16da9948c645a9916bd68cf24673b

  • SHA512

    badc6a66922e810322e6e7f4876de5bf2d7e67322c7ecc03847aca201f4c79b4017abbfaf30145adaa201c348579c36880de6c21a30d6911257799dff2c89526

  • SSDEEP

    12288:BJggC74CMw3iOdiDSZnRtnt9iXSSfI5qIFngvpZsG9WxzQaU3y:BJgFoOdjtnOSKPhh6GEQn3

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6240128422:AAGfewUxVcQqKio_MV181yAuk31JpsBcgy8/

Signatures

  • AgentTesla

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

  • 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
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ee1f5806bdc523e06b98c513142a735ac3c16da9948c645a9916bd68cf24673b.exe
    "C:\Users\Admin\AppData\Local\Temp\ee1f5806bdc523e06b98c513142a735ac3c16da9948c645a9916bd68cf24673b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Users\Admin\AppData\Local\Temp\ee1f5806bdc523e06b98c513142a735ac3c16da9948c645a9916bd68cf24673b.exe
      "C:\Users\Admin\AppData\Local\Temp\ee1f5806bdc523e06b98c513142a735ac3c16da9948c645a9916bd68cf24673b.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2860

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2220-0-0x00000000009F0000-0x0000000000AA0000-memory.dmp
    Filesize

    704KB

  • memory/2220-1-0x0000000074DC0000-0x00000000754AE000-memory.dmp
    Filesize

    6.9MB

  • memory/2220-2-0x00000000023B0000-0x00000000023F0000-memory.dmp
    Filesize

    256KB

  • memory/2220-3-0x0000000000260000-0x0000000000272000-memory.dmp
    Filesize

    72KB

  • memory/2220-4-0x0000000000270000-0x000000000027C000-memory.dmp
    Filesize

    48KB

  • memory/2220-5-0x0000000002490000-0x0000000002512000-memory.dmp
    Filesize

    520KB

  • memory/2220-18-0x0000000074DC0000-0x00000000754AE000-memory.dmp
    Filesize

    6.9MB

  • memory/2860-8-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2860-7-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2860-9-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2860-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2860-12-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2860-14-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2860-16-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2860-6-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2860-17-0x0000000074DC0000-0x00000000754AE000-memory.dmp
    Filesize

    6.9MB

  • memory/2860-19-0x0000000074DC0000-0x00000000754AE000-memory.dmp
    Filesize

    6.9MB

  • memory/2860-20-0x0000000004AF0000-0x0000000004B30000-memory.dmp
    Filesize

    256KB