Analysis

  • max time kernel
    142s
  • max time network
    150s
  • 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 14:39

General

  • Target

    f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc.exe

  • Size

    632KB

  • MD5

    c63dab0a1163027cac6eff536c53674e

  • SHA1

    9f69d979ce999a9e00dc7c3fcf340f5bba2d26f8

  • SHA256

    f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc

  • SHA512

    bbf9b5523b4846a2eec80553cf50ba45c2fe7271e392d87ab702af37956eb215602514dc40c3b8dbd53bc96618ec21cc4563a55f755272950563ea321b28c4a5

  • SSDEEP

    12288:oVMcthmJ9kd5oQSjEt7RrKFgk5KNaQTgXp/8cUDE3hhsZSAFnSs:A5Z1FKFgk5lQTGp/IExqS

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mtsfashionltd.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7D!0DIc!$iLP

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 1 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc.exe
    "C:\Users\Admin\AppData\Local\Temp\f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Users\Admin\AppData\Local\Temp\f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc.exe
      "C:\Users\Admin\AppData\Local\Temp\f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1848-8-0x0000000006490000-0x000000000650C000-memory.dmp

    Filesize

    496KB

  • memory/1848-3-0x0000000004DD0000-0x0000000004E62000-memory.dmp

    Filesize

    584KB

  • memory/1848-9-0x0000000008AD0000-0x0000000008B6C000-memory.dmp

    Filesize

    624KB

  • memory/1848-1-0x0000000074890000-0x0000000075040000-memory.dmp

    Filesize

    7.7MB

  • memory/1848-5-0x0000000004E90000-0x0000000004E9A000-memory.dmp

    Filesize

    40KB

  • memory/1848-6-0x0000000004F80000-0x0000000004F96000-memory.dmp

    Filesize

    88KB

  • memory/1848-7-0x0000000005020000-0x000000000502A000-memory.dmp

    Filesize

    40KB

  • memory/1848-0-0x0000000000350000-0x00000000003F4000-memory.dmp

    Filesize

    656KB

  • memory/1848-15-0x0000000074890000-0x0000000075040000-memory.dmp

    Filesize

    7.7MB

  • memory/1848-2-0x0000000005470000-0x0000000005A14000-memory.dmp

    Filesize

    5.6MB

  • memory/1848-4-0x0000000005070000-0x0000000005080000-memory.dmp

    Filesize

    64KB

  • memory/4284-13-0x0000000074890000-0x0000000075040000-memory.dmp

    Filesize

    7.7MB

  • memory/4284-19-0x00000000052F0000-0x0000000005300000-memory.dmp

    Filesize

    64KB

  • memory/4284-14-0x00000000052F0000-0x0000000005300000-memory.dmp

    Filesize

    64KB

  • memory/4284-16-0x0000000005440000-0x00000000054A6000-memory.dmp

    Filesize

    408KB

  • memory/4284-17-0x0000000006AD0000-0x0000000006B20000-memory.dmp

    Filesize

    320KB

  • memory/4284-18-0x0000000074890000-0x0000000075040000-memory.dmp

    Filesize

    7.7MB

  • memory/4284-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB