Analysis

  • max time kernel
    140s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 01:15

General

  • Target

    2211d19b5e0a4301a76c79e79e79c6a0e3ba5363a2713d23a266d82d4308bc37.exe

  • Size

    238KB

  • MD5

    7904e6bdea1c0af90053b62bbb50064b

  • SHA1

    b27c06ae0e105e27897b0b67d59c605408d36387

  • SHA256

    2211d19b5e0a4301a76c79e79e79c6a0e3ba5363a2713d23a266d82d4308bc37

  • SHA512

    3d283b306393a77bf9a36d65506faf0f7b188abdd1e2f59ef039c406debad1b9846f5eb501083495fbf44bfa3502a20a8f41a9e5d060c61104429b3d38600c24

  • SSDEEP

    3072:3Y2Panv3n/vX52K4On93AyrdhgkS4Tue5h9+5SBYr:3Cnv3n/vX52KR1R5hZDuY+E

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2211d19b5e0a4301a76c79e79e79c6a0e3ba5363a2713d23a266d82d4308bc37.exe
    "C:\Users\Admin\AppData\Local\Temp\2211d19b5e0a4301a76c79e79e79c6a0e3ba5363a2713d23a266d82d4308bc37.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/624-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

    Filesize

    4KB

  • memory/624-1-0x0000000000A40000-0x0000000000A82000-memory.dmp

    Filesize

    264KB

  • memory/624-2-0x0000000005B10000-0x00000000060B4000-memory.dmp

    Filesize

    5.6MB

  • memory/624-3-0x00000000054B0000-0x0000000005516000-memory.dmp

    Filesize

    408KB

  • memory/624-4-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/624-5-0x0000000006B00000-0x0000000006B50000-memory.dmp

    Filesize

    320KB

  • memory/624-6-0x0000000006BF0000-0x0000000006C8C000-memory.dmp

    Filesize

    624KB

  • memory/624-7-0x0000000006D30000-0x0000000006DC2000-memory.dmp

    Filesize

    584KB

  • memory/624-8-0x0000000006CB0000-0x0000000006CBA000-memory.dmp

    Filesize

    40KB

  • memory/624-9-0x00000000747AE000-0x00000000747AF000-memory.dmp

    Filesize

    4KB

  • memory/624-10-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB