Analysis

  • max time kernel
    94s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-05-2023 07:02

General

  • Target

    P30OwbdhQCNt5HS.exe

  • Size

    698KB

  • MD5

    43678482751038f9a87f50b0dc8e2f15

  • SHA1

    2735a27a9ba8de920eca46637c974b686bc2d20b

  • SHA256

    109ef5c322e2f5b9624f14914d4e4db3cd2ee7883f9c718c913616eb69277091

  • SHA512

    4ebaae9d12e72102fcbe374edd0f880e041485a3ccc802cee17c145ddf4ce7f221fc06a736b1a0096081b0bb9d854f6ef4699ab41424287a2be9060249865b46

  • SSDEEP

    12288:1BAni4Iyett3RbH/ZvlydI1tWHURMcSRV9ZUasth5KwQyX:1aWtxH/ZttRq9ZSK

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6190932047:AAFAXC_q-J_1tPTmmiqndMdlZipgoGT2Ypo/

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\P30OwbdhQCNt5HS.exe
    "C:\Users\Admin\AppData\Local\Temp\P30OwbdhQCNt5HS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3076
    • C:\Users\Admin\AppData\Local\Temp\P30OwbdhQCNt5HS.exe
      "C:\Users\Admin\AppData\Local\Temp\P30OwbdhQCNt5HS.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4532

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\P30OwbdhQCNt5HS.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/3076-139-0x0000000007290000-0x000000000732C000-memory.dmp

    Filesize

    624KB

  • memory/3076-135-0x0000000005870000-0x0000000005902000-memory.dmp

    Filesize

    584KB

  • memory/3076-136-0x0000000005820000-0x000000000582A000-memory.dmp

    Filesize

    40KB

  • memory/3076-137-0x0000000005A90000-0x0000000005AA0000-memory.dmp

    Filesize

    64KB

  • memory/3076-138-0x0000000005A90000-0x0000000005AA0000-memory.dmp

    Filesize

    64KB

  • memory/3076-133-0x0000000000DB0000-0x0000000000E64000-memory.dmp

    Filesize

    720KB

  • memory/3076-134-0x0000000005E20000-0x00000000063C4000-memory.dmp

    Filesize

    5.6MB

  • memory/4532-140-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4532-143-0x0000000004EE0000-0x0000000004F46000-memory.dmp

    Filesize

    408KB

  • memory/4532-144-0x0000000004F80000-0x0000000004F90000-memory.dmp

    Filesize

    64KB

  • memory/4532-145-0x0000000006BC0000-0x0000000006C10000-memory.dmp

    Filesize

    320KB

  • memory/4532-146-0x0000000006DE0000-0x0000000006FA2000-memory.dmp

    Filesize

    1.8MB

  • memory/4532-147-0x0000000004F80000-0x0000000004F90000-memory.dmp

    Filesize

    64KB