Analysis

  • max time kernel
    73s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-04-2023 01:44

General

  • Target

    2d839f4c436d5d238e52787682dba7eced27e04756bc15472f4e5e62c9805715.exe

  • Size

    653KB

  • MD5

    a4922460a18c2133dd7cf50f5c7428a3

  • SHA1

    b986952aaf9cf2bd684162de6cd2321545f2a6c4

  • SHA256

    2d839f4c436d5d238e52787682dba7eced27e04756bc15472f4e5e62c9805715

  • SHA512

    a64b1c9b62e5527aba6617307955d8554dc041331ae78f654e81c826013ec7ad517fba1c7e194ef77f204b1717a8621e225c93d3c72aa8de59d579f22677321b

  • SSDEEP

    12288:GGSmdH9eGvay8s3KGHHhFda1RAN9ZXe7PmkVxpEgHfyRou/FvYxcjP18eimOMt+:GYdH9eGiY3FnI1RAteTrgSux7PhimX

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    omananilampard1@yandex.com
  • Password:
    qbkcioyfoxstxqax
  • Email To:
    omananilampard1@yandex.com

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d839f4c436d5d238e52787682dba7eced27e04756bc15472f4e5e62c9805715.exe
    "C:\Users\Admin\AppData\Local\Temp\2d839f4c436d5d238e52787682dba7eced27e04756bc15472f4e5e62c9805715.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2820
    • C:\Users\Admin\AppData\Local\Temp\2d839f4c436d5d238e52787682dba7eced27e04756bc15472f4e5e62c9805715.exe
      "C:\Users\Admin\AppData\Local\Temp\2d839f4c436d5d238e52787682dba7eced27e04756bc15472f4e5e62c9805715.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1140

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2d839f4c436d5d238e52787682dba7eced27e04756bc15472f4e5e62c9805715.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1140-140-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/1140-146-0x0000000005430000-0x0000000005440000-memory.dmp
    Filesize

    64KB

  • memory/1140-145-0x00000000066F0000-0x0000000006740000-memory.dmp
    Filesize

    320KB

  • memory/1140-144-0x0000000005430000-0x0000000005440000-memory.dmp
    Filesize

    64KB

  • memory/1140-143-0x0000000005300000-0x0000000005366000-memory.dmp
    Filesize

    408KB

  • memory/2820-136-0x0000000005300000-0x000000000530A000-memory.dmp
    Filesize

    40KB

  • memory/2820-139-0x0000000008920000-0x00000000089BC000-memory.dmp
    Filesize

    624KB

  • memory/2820-138-0x0000000005280000-0x0000000005290000-memory.dmp
    Filesize

    64KB

  • memory/2820-137-0x0000000005280000-0x0000000005290000-memory.dmp
    Filesize

    64KB

  • memory/2820-133-0x0000000000890000-0x000000000093A000-memory.dmp
    Filesize

    680KB

  • memory/2820-135-0x0000000005350000-0x00000000053E2000-memory.dmp
    Filesize

    584KB

  • memory/2820-134-0x0000000005900000-0x0000000005EA4000-memory.dmp
    Filesize

    5.6MB