Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 09:11

General

  • Target

    lGaZ58sYpVmY9rn.exe

  • Size

    710KB

  • MD5

    35a5c8f1213ca8ef316e40fe66b262d7

  • SHA1

    f9e091f4158fdf6596d07a2a01f1751e216e855d

  • SHA256

    31c2094811f57fa89d734773efebb7edd3287ca9b3b89df8969ad71941006494

  • SHA512

    011a6cd1dae0277e5e4c8dc84794bab12b80f1aef4f63e7cbd51edd2e76e6dd2ecaa86d8c7f2f45de24923fb137a6b92a0ff4c85d8f9c7ceb2776e44416894d9

  • SSDEEP

    12288:IWYIPXjxannnHg21dyiiUogdD8PTuzmiC7JmHiYVm4jxYS7m4I7Gedi9kug71:IWYIPFannnHg21dudY8imiC7JmdQ2R69

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.jeepcommerce.rs
  • Port:
    21
  • Username:
    w133y@jeepcommerce.rs
  • Password:
    Q6]7rLSD*gU2

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\lGaZ58sYpVmY9rn.exe
    "C:\Users\Admin\AppData\Local\Temp\lGaZ58sYpVmY9rn.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2100

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2100-0-0x0000000001040000-0x00000000010F6000-memory.dmp
    Filesize

    728KB

  • memory/2100-1-0x0000000074A20000-0x000000007510E000-memory.dmp
    Filesize

    6.9MB

  • memory/2100-2-0x0000000000DB0000-0x0000000000DF0000-memory.dmp
    Filesize

    256KB

  • memory/2100-3-0x00000000004D0000-0x00000000004F0000-memory.dmp
    Filesize

    128KB

  • memory/2100-4-0x0000000000640000-0x0000000000654000-memory.dmp
    Filesize

    80KB

  • memory/2100-5-0x0000000005920000-0x00000000059A4000-memory.dmp
    Filesize

    528KB

  • memory/2100-6-0x0000000004DF0000-0x0000000004E32000-memory.dmp
    Filesize

    264KB

  • memory/2100-7-0x0000000074A20000-0x000000007510E000-memory.dmp
    Filesize

    6.9MB

  • memory/2100-8-0x0000000000DB0000-0x0000000000DF0000-memory.dmp
    Filesize

    256KB