Analysis

  • max time kernel
    134s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2023 02:35

General

  • Target

    image.exe

  • Size

    693KB

  • MD5

    1b6a6d8b30c72cd3f29bb771473513eb

  • SHA1

    2dea7685282c31774c0bf7e73134a9896a8ae3f8

  • SHA256

    12b0b70b17d9fcd3f745e15f4a26c9dbd9a56bb9de6ffca349c7e9a0b5cae723

  • SHA512

    521d8b98ea91dcbaac13f65dc10c53399d90898da1393c074e152d3cda234c686b1b7abf30e81852c446c16d1bd1e2e0c2a1fab43db915efd9abc907a0f07812

  • SSDEEP

    12288:jaueH5qrBVCNI/IfW7Rvja9UZc98TLVW17CfQNOWr+3R:Sq1VCNI/E0jaSo8VW9IWr+

Malware Config

Extracted

Credentials

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\image.exe
    "C:\Users\Admin\AppData\Local\Temp\image.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3628
    • C:\Users\Admin\AppData\Local\Temp\image.exe
      "C:\Users\Admin\AppData\Local\Temp\image.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\image.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2980-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2980-21-0x0000000005340000-0x0000000005350000-memory.dmp

    Filesize

    64KB

  • memory/2980-20-0x0000000074FC0000-0x0000000075770000-memory.dmp

    Filesize

    7.7MB

  • memory/2980-19-0x0000000006800000-0x0000000006850000-memory.dmp

    Filesize

    320KB

  • memory/2980-18-0x0000000005280000-0x00000000052E6000-memory.dmp

    Filesize

    408KB

  • memory/2980-17-0x0000000005340000-0x0000000005350000-memory.dmp

    Filesize

    64KB

  • memory/2980-15-0x0000000074FC0000-0x0000000075770000-memory.dmp

    Filesize

    7.7MB

  • memory/3628-10-0x0000000006800000-0x000000000687A000-memory.dmp

    Filesize

    488KB

  • memory/3628-9-0x0000000005300000-0x000000000530A000-memory.dmp

    Filesize

    40KB

  • memory/3628-0-0x0000000074FC0000-0x0000000075770000-memory.dmp

    Filesize

    7.7MB

  • memory/3628-11-0x0000000008E60000-0x0000000008EFC000-memory.dmp

    Filesize

    624KB

  • memory/3628-8-0x00000000052F0000-0x00000000052F8000-memory.dmp

    Filesize

    32KB

  • memory/3628-7-0x0000000074FC0000-0x0000000075770000-memory.dmp

    Filesize

    7.7MB

  • memory/3628-6-0x0000000005110000-0x000000000512A000-memory.dmp

    Filesize

    104KB

  • memory/3628-16-0x0000000074FC0000-0x0000000075770000-memory.dmp

    Filesize

    7.7MB

  • memory/3628-5-0x0000000004FA0000-0x0000000004FAA000-memory.dmp

    Filesize

    40KB

  • memory/3628-4-0x0000000005130000-0x0000000005140000-memory.dmp

    Filesize

    64KB

  • memory/3628-3-0x0000000004FD0000-0x0000000005062000-memory.dmp

    Filesize

    584KB

  • memory/3628-2-0x00000000054E0000-0x0000000005A84000-memory.dmp

    Filesize

    5.6MB

  • memory/3628-1-0x00000000004E0000-0x0000000000594000-memory.dmp

    Filesize

    720KB