Analysis

  • max time kernel
    125s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231201-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2023 01:43

General

  • Target

    706408a437920a28b7beb346f735fea3f51e567b5ee97b2025e61b04ba57b7a3.exe

  • Size

    694KB

  • MD5

    d2cf4d86fd68e732e1b8fbc5bfcfb37c

  • SHA1

    3c36a1b187a8889a7180b66fccee79b3f403ea18

  • SHA256

    706408a437920a28b7beb346f735fea3f51e567b5ee97b2025e61b04ba57b7a3

  • SHA512

    3a6b88d954e95f07f90b50c83041d03c922bf3c0970003eab8b6f2d28dc334a2516ce0ed0b5b6671d64d199d4263f8cacdd1817099ed38e68f5e71a675305b50

  • SSDEEP

    12288:RaDLid7BR6wTuHRD5F46+vrOC8TuYe1rrcqweovbjRsxLCzoxDC:R4LipByLj+viFTu/1Hc9eCbmhCzOC

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1698102386:AAGwF1zMDcFKPxdmICBbFvdWXY6IHV5KR3E/

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\706408a437920a28b7beb346f735fea3f51e567b5ee97b2025e61b04ba57b7a3.exe
    "C:\Users\Admin\AppData\Local\Temp\706408a437920a28b7beb346f735fea3f51e567b5ee97b2025e61b04ba57b7a3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Users\Admin\AppData\Local\Temp\706408a437920a28b7beb346f735fea3f51e567b5ee97b2025e61b04ba57b7a3.exe
      "C:\Users\Admin\AppData\Local\Temp\706408a437920a28b7beb346f735fea3f51e567b5ee97b2025e61b04ba57b7a3.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4328

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\706408a437920a28b7beb346f735fea3f51e567b5ee97b2025e61b04ba57b7a3.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1724-10-0x0000000009D60000-0x0000000009DFC000-memory.dmp

    Filesize

    624KB

  • memory/1724-16-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/1724-9-0x0000000006590000-0x000000000660E000-memory.dmp

    Filesize

    504KB

  • memory/1724-4-0x00000000050D0000-0x00000000050E0000-memory.dmp

    Filesize

    64KB

  • memory/1724-5-0x0000000005120000-0x000000000512A000-memory.dmp

    Filesize

    40KB

  • memory/1724-6-0x0000000005710000-0x000000000572A000-memory.dmp

    Filesize

    104KB

  • memory/1724-7-0x0000000008CB0000-0x0000000008CB8000-memory.dmp

    Filesize

    32KB

  • memory/1724-8-0x0000000002970000-0x000000000297A000-memory.dmp

    Filesize

    40KB

  • memory/1724-3-0x0000000005180000-0x0000000005212000-memory.dmp

    Filesize

    584KB

  • memory/1724-0-0x0000000000670000-0x0000000000724000-memory.dmp

    Filesize

    720KB

  • memory/1724-1-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/1724-2-0x0000000005730000-0x0000000005CD4000-memory.dmp

    Filesize

    5.6MB

  • memory/4328-14-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4328-11-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/4328-17-0x0000000005A80000-0x0000000005A90000-memory.dmp

    Filesize

    64KB

  • memory/4328-15-0x0000000005A90000-0x0000000005AF6000-memory.dmp

    Filesize

    408KB

  • memory/4328-20-0x0000000007100000-0x0000000007150000-memory.dmp

    Filesize

    320KB

  • memory/4328-21-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4328-22-0x0000000005A80000-0x0000000005A90000-memory.dmp

    Filesize

    64KB