Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    29-04-2024 01:11

General

  • Target

    b564648ffa24fb0af63ba4ffdd4c161bac6f0b62863cfcbd80281769ca4a4666.exe

  • Size

    829KB

  • MD5

    51116c5144a1a3cd93caad2c96b94661

  • SHA1

    9ca64b630765ac52dd867296d4821f5592c7748a

  • SHA256

    b564648ffa24fb0af63ba4ffdd4c161bac6f0b62863cfcbd80281769ca4a4666

  • SHA512

    2e71333748aa81396051613def75450f8ff3802ac62140709d86d6c8c73e582bfa2c06c6e32fd97ae2286f364b13f49654bb348d9f89d136005812586006f511

  • SSDEEP

    24576:or37a44E29ZkmH7WaIje+YPxiVp5RhwGzw:Y37a4rwhbWLhSUVprhf

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.indra-precision.co.th
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    UW8f$y[fBOEs

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\b564648ffa24fb0af63ba4ffdd4c161bac6f0b62863cfcbd80281769ca4a4666.exe
    "C:\Users\Admin\AppData\Local\Temp\b564648ffa24fb0af63ba4ffdd4c161bac6f0b62863cfcbd80281769ca4a4666.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2740

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/2740-0-0x0000000000CF0000-0x0000000000DC4000-memory.dmp
    Filesize

    848KB

  • memory/2740-1-0x0000000074140000-0x000000007482E000-memory.dmp
    Filesize

    6.9MB

  • memory/2740-2-0x0000000006E50000-0x0000000006E90000-memory.dmp
    Filesize

    256KB

  • memory/2740-3-0x0000000000940000-0x0000000000960000-memory.dmp
    Filesize

    128KB

  • memory/2740-4-0x0000000000960000-0x0000000000974000-memory.dmp
    Filesize

    80KB

  • memory/2740-5-0x000000000D6B0000-0x000000000D734000-memory.dmp
    Filesize

    528KB

  • memory/2740-6-0x00000000041D0000-0x0000000004212000-memory.dmp
    Filesize

    264KB

  • memory/2740-7-0x0000000074140000-0x000000007482E000-memory.dmp
    Filesize

    6.9MB

  • memory/2740-8-0x0000000006E50000-0x0000000006E90000-memory.dmp
    Filesize

    256KB