Analysis

  • max time kernel
    129s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 13:21

General

  • Target

    581ebd71502e26428ff03f5d743fbea09b17d22779e739c41022ac41cfac0242.exe

  • Size

    902KB

  • MD5

    23626a822afb45c288acf9fabbef5ad1

  • SHA1

    4e0db9f021191084331d9ed7164f066fe1003f06

  • SHA256

    581ebd71502e26428ff03f5d743fbea09b17d22779e739c41022ac41cfac0242

  • SHA512

    6d098502008b94d46abd74bbc5a9c53f7101da6538f44e634fb2556e970950474193c43de03dd37f56442fb4a5e47a6449f462e3a598a10602f20851f178b2b6

  • SSDEEP

    12288:C8zWaRWoy6JBmtWTDNO9UEJEgR4ADxRuAoZzqCqw+FWzu7rxK4qLEDkR:C8zWMMcBXTPg7CqwQrFo1

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.alitextile.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Myname321@

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 3 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\581ebd71502e26428ff03f5d743fbea09b17d22779e739c41022ac41cfac0242.exe
    "C:\Users\Admin\AppData\Local\Temp\581ebd71502e26428ff03f5d743fbea09b17d22779e739c41022ac41cfac0242.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:32
    • C:\Users\Admin\AppData\Local\Temp\581ebd71502e26428ff03f5d743fbea09b17d22779e739c41022ac41cfac0242.exe
      "C:\Users\Admin\AppData\Local\Temp\581ebd71502e26428ff03f5d743fbea09b17d22779e739c41022ac41cfac0242.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\581ebd71502e26428ff03f5d743fbea09b17d22779e739c41022ac41cfac0242.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/32-8-0x0000000006120000-0x00000000061A4000-memory.dmp

    Filesize

    528KB

  • memory/32-5-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/32-9-0x00000000086F0000-0x000000000878C000-memory.dmp

    Filesize

    624KB

  • memory/32-4-0x00000000054C0000-0x00000000054CA000-memory.dmp

    Filesize

    40KB

  • memory/32-13-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/32-6-0x00000000054D0000-0x00000000054EA000-memory.dmp

    Filesize

    104KB

  • memory/32-7-0x00000000054A0000-0x00000000054B0000-memory.dmp

    Filesize

    64KB

  • memory/32-1-0x0000000000930000-0x0000000000A14000-memory.dmp

    Filesize

    912KB

  • memory/32-3-0x00000000053F0000-0x0000000005482000-memory.dmp

    Filesize

    584KB

  • memory/32-2-0x0000000005A70000-0x0000000006014000-memory.dmp

    Filesize

    5.6MB

  • memory/32-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

    Filesize

    4KB

  • memory/4988-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4988-14-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/4988-15-0x0000000005A70000-0x0000000005AD6000-memory.dmp

    Filesize

    408KB

  • memory/4988-16-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/4988-17-0x0000000007180000-0x00000000071D0000-memory.dmp

    Filesize

    320KB

  • memory/4988-18-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB