Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 01:21

General

  • Target

    5eecdaf0426291c6db36cc79cba590e61248a5364197d82228da2074a7fa3bba.exe

  • Size

    498KB

  • MD5

    f53753567d26f08858674d27c2222e8d

  • SHA1

    06f8efd5a96b625d8966df80ee3b8f76fb3d4b0e

  • SHA256

    5eecdaf0426291c6db36cc79cba590e61248a5364197d82228da2074a7fa3bba

  • SHA512

    900b1d005e1c5ad4ad9980af5ec495c009e2a32200fd0190e56746796acac4e68f66d55a030395c938b387eaee9c34a490194ae6bc2bca4e1e4b265a46192bb2

  • SSDEEP

    12288:imo2oiXB/6DuKf8I6niPW/Q5f7rzYP7r9r/+pppppppppppppppppppppppppppv:73XlnKf8Uayo1q

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. 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 5 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 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5eecdaf0426291c6db36cc79cba590e61248a5364197d82228da2074a7fa3bba.exe
    "C:\Users\Admin\AppData\Local\Temp\5eecdaf0426291c6db36cc79cba590e61248a5364197d82228da2074a7fa3bba.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Users\Admin\AppData\Local\Temp\5eecdaf0426291c6db36cc79cba590e61248a5364197d82228da2074a7fa3bba.exe
      "C:\Users\Admin\AppData\Local\Temp\5eecdaf0426291c6db36cc79cba590e61248a5364197d82228da2074a7fa3bba.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:624

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/624-9-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/624-6-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/624-19-0x00000000744F0000-0x0000000074BDE000-memory.dmp
    Filesize

    6.9MB

  • memory/624-17-0x00000000744F0000-0x0000000074BDE000-memory.dmp
    Filesize

    6.9MB

  • memory/624-4-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/624-16-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/624-5-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/624-15-0x00000000744F0000-0x0000000074BDE000-memory.dmp
    Filesize

    6.9MB

  • memory/624-11-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/624-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/624-3-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/1508-1-0x0000000000840000-0x00000000008C2000-memory.dmp
    Filesize

    520KB

  • memory/1508-0-0x00000000744FE000-0x00000000744FF000-memory.dmp
    Filesize

    4KB

  • memory/1508-14-0x00000000744F0000-0x0000000074BDE000-memory.dmp
    Filesize

    6.9MB

  • memory/1508-18-0x00000000744F0000-0x0000000074BDE000-memory.dmp
    Filesize

    6.9MB

  • memory/1508-2-0x0000000000570000-0x00000000005B8000-memory.dmp
    Filesize

    288KB