Analysis

  • max time kernel
    142s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-12-2023 01:55

General

  • Target

    DoceEtbrb.exe

  • Size

    881KB

  • MD5

    15356b7ac28460a1e2f2f877fd371d53

  • SHA1

    a6d4509e85ca00c373676d94f001efadd4285c08

  • SHA256

    d7de99a59d07c417b10a5586b5805f2895a68fedbb4f87702271557414d59890

  • SHA512

    d97445669735ddce501726a888276b4d1d5a0686e0e41e70ed604eb4308c078a23d7bdaac30d0bd4854d1c1c9aae57eb50eee125f37432c205d03f6ed5e6317f

  • SSDEEP

    12288:Ox2tKB8Hs/rjZazkfZUMmI0NnHWDoMQobQENO2nQLwbVv5Y:OctKssjjZazkfZUjNHHMQjNOVv

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.paksafety-sa.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ifran@paksafety

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DoceEtbrb.exe
    "C:\Users\Admin\AppData\Local\Temp\DoceEtbrb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Users\Admin\AppData\Local\Temp\DoceEtbrb.exe
      "C:\Users\Admin\AppData\Local\Temp\DoceEtbrb.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1468-10-0x000000000CB50000-0x000000000CBEC000-memory.dmp

    Filesize

    624KB

  • memory/1468-16-0x0000000074DA0000-0x0000000075550000-memory.dmp

    Filesize

    7.7MB

  • memory/1468-9-0x000000000AAD0000-0x000000000AB4A000-memory.dmp

    Filesize

    488KB

  • memory/1468-4-0x0000000005CC0000-0x0000000005CD0000-memory.dmp

    Filesize

    64KB

  • memory/1468-5-0x0000000005BE0000-0x0000000005BEA000-memory.dmp

    Filesize

    40KB

  • memory/1468-6-0x0000000005FE0000-0x0000000005FF8000-memory.dmp

    Filesize

    96KB

  • memory/1468-7-0x0000000006050000-0x0000000006058000-memory.dmp

    Filesize

    32KB

  • memory/1468-8-0x0000000006060000-0x000000000606A000-memory.dmp

    Filesize

    40KB

  • memory/1468-3-0x0000000005A20000-0x0000000005AB2000-memory.dmp

    Filesize

    584KB

  • memory/1468-2-0x00000000060A0000-0x0000000006644000-memory.dmp

    Filesize

    5.6MB

  • memory/1468-0-0x0000000074DA0000-0x0000000075550000-memory.dmp

    Filesize

    7.7MB

  • memory/1468-1-0x0000000000F60000-0x0000000001042000-memory.dmp

    Filesize

    904KB

  • memory/3228-20-0x00000000059C0000-0x00000000059D0000-memory.dmp

    Filesize

    64KB

  • memory/3228-15-0x00000000059C0000-0x00000000059D0000-memory.dmp

    Filesize

    64KB

  • memory/3228-17-0x0000000005B10000-0x0000000005B76000-memory.dmp

    Filesize

    408KB

  • memory/3228-14-0x0000000074DA0000-0x0000000075550000-memory.dmp

    Filesize

    7.7MB

  • memory/3228-18-0x0000000006EF0000-0x0000000006F40000-memory.dmp

    Filesize

    320KB

  • memory/3228-19-0x0000000074DA0000-0x0000000075550000-memory.dmp

    Filesize

    7.7MB

  • memory/3228-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB