Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2023 13:25

General

  • Target

    39df2e11bf25d5fa878ba25f8714116936f45400c6765f2b6212c860b79a3f0e.exe

  • Size

    240KB

  • MD5

    285c79216d7884f1cd6514c04f16357b

  • SHA1

    5e877ad4900eb68a8ae16fb96232eaa0dfc1b09b

  • SHA256

    39df2e11bf25d5fa878ba25f8714116936f45400c6765f2b6212c860b79a3f0e

  • SHA512

    c4797ec6efe546458a2d054ae2bec0bae3e1ed56e74e86fe13ce8c5c3a22d1ed1cedc15c54bbf7b101015699d64ce41151ff5887cd23139a1798c9c71e540d81

  • SSDEEP

    3072:0tYHr3aD32duqAFjnmy5gB6njp8P6OUqHMeK:0tYHr3aD32duqKjmN6j2Q

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6471053992:AAFUlrUxhi5Jrpjikoc-P4r9ZbsXV_T9vj8/

Signatures

  • AgentTesla

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\39df2e11bf25d5fa878ba25f8714116936f45400c6765f2b6212c860b79a3f0e.exe
    "C:\Users\Admin\AppData\Local\Temp\39df2e11bf25d5fa878ba25f8714116936f45400c6765f2b6212c860b79a3f0e.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 1432
      2⤵
      • Program crash
      PID:2832

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1684-0-0x0000000000120000-0x0000000000162000-memory.dmp

    Filesize

    264KB

  • memory/1684-1-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/1684-2-0x00000000049C0000-0x0000000004A00000-memory.dmp

    Filesize

    256KB

  • memory/1684-3-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/1684-4-0x00000000049C0000-0x0000000004A00000-memory.dmp

    Filesize

    256KB