Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 01:44

General

  • Target

    fa735d742249b4c53ed758575e1b846de610260c6d59464c4c2c476c5c134c2e.exe

  • Size

    758KB

  • MD5

    2a36cd86ffb5a14f3c12aaf95cce61e3

  • SHA1

    acdcc7069ac22140ba95cdd113bff13ff49d9946

  • SHA256

    fa735d742249b4c53ed758575e1b846de610260c6d59464c4c2c476c5c134c2e

  • SHA512

    08f64074240b5dfb228b6d0bb8d9b62100efc5f220334050e4df650c73c1fa8becf454673bfa28fb5f77c6b55ada0ebf5a90c9f685295b0acae86c2fe9aebd61

  • SSDEEP

    12288:adVkygw02h5Xy5qdNygtO3Fer5T9EscGoy1gACUcW9uYwQ+xuaMl7zoiMjaOf8HR:awjQy4dAwO1edTistoy1g5+EYkKpot/i

Malware Config

Extracted

Family

agenttesla

Credentials

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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa735d742249b4c53ed758575e1b846de610260c6d59464c4c2c476c5c134c2e.exe
    "C:\Users\Admin\AppData\Local\Temp\fa735d742249b4c53ed758575e1b846de610260c6d59464c4c2c476c5c134c2e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Users\Admin\AppData\Local\Temp\fa735d742249b4c53ed758575e1b846de610260c6d59464c4c2c476c5c134c2e.exe
      "C:\Users\Admin\AppData\Local\Temp\fa735d742249b4c53ed758575e1b846de610260c6d59464c4c2c476c5c134c2e.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2840

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/1676-0-0x0000000001000000-0x00000000010C0000-memory.dmp
    Filesize

    768KB

  • memory/1676-1-0x00000000743D0000-0x0000000074ABE000-memory.dmp
    Filesize

    6.9MB

  • memory/1676-2-0x0000000005020000-0x0000000005060000-memory.dmp
    Filesize

    256KB

  • memory/1676-3-0x0000000000210000-0x0000000000222000-memory.dmp
    Filesize

    72KB

  • memory/1676-4-0x00000000002B0000-0x00000000002BC000-memory.dmp
    Filesize

    48KB

  • memory/1676-5-0x00000000051F0000-0x0000000005272000-memory.dmp
    Filesize

    520KB

  • memory/1676-18-0x00000000743D0000-0x0000000074ABE000-memory.dmp
    Filesize

    6.9MB

  • memory/2840-8-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2840-7-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2840-9-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2840-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2840-12-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2840-14-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2840-16-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2840-6-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2840-17-0x00000000743D0000-0x0000000074ABE000-memory.dmp
    Filesize

    6.9MB

  • memory/2840-19-0x0000000004800000-0x0000000004840000-memory.dmp
    Filesize

    256KB

  • memory/2840-20-0x00000000743D0000-0x0000000074ABE000-memory.dmp
    Filesize

    6.9MB