Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 01:50

General

  • Target

    bafb7ff6e0e02500cb9a8b01b0de9a745760ecdb9ed004e1f80c8ac283558df7.exe

  • Size

    669KB

  • MD5

    4bc94be625631b334d912b7ab34e6855

  • SHA1

    ab0a98cb3bb05477e5a53ea5a3db0f9ed48e2214

  • SHA256

    bafb7ff6e0e02500cb9a8b01b0de9a745760ecdb9ed004e1f80c8ac283558df7

  • SHA512

    b20fe361fd735057f1753a5f345de17ad423eb46acac73d5c53e26a0a139bcde59a5f5884baeaa044a3795b0aad01d98f8e9dd3bc6050e3d741c35426b895d67

  • SSDEEP

    12288:bRH2iNlw0ZHttZXuCJDMnse8jOD3xUNoJxiwRm3XmpR+x7kR:h1X5ttZecDXLukoJRSuR+Q

Malware Config

Extracted

Family

agenttesla

Credentials

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 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bafb7ff6e0e02500cb9a8b01b0de9a745760ecdb9ed004e1f80c8ac283558df7.exe
    "C:\Users\Admin\AppData\Local\Temp\bafb7ff6e0e02500cb9a8b01b0de9a745760ecdb9ed004e1f80c8ac283558df7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Users\Admin\AppData\Local\Temp\bafb7ff6e0e02500cb9a8b01b0de9a745760ecdb9ed004e1f80c8ac283558df7.exe
      "C:\Users\Admin\AppData\Local\Temp\bafb7ff6e0e02500cb9a8b01b0de9a745760ecdb9ed004e1f80c8ac283558df7.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2636

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/2512-0-0x0000000000B70000-0x0000000000C18000-memory.dmp
    Filesize

    672KB

  • memory/2512-1-0x00000000746A0000-0x0000000074D8E000-memory.dmp
    Filesize

    6.9MB

  • memory/2512-2-0x0000000000220000-0x0000000000260000-memory.dmp
    Filesize

    256KB

  • memory/2512-3-0x0000000000260000-0x0000000000272000-memory.dmp
    Filesize

    72KB

  • memory/2512-4-0x0000000000340000-0x000000000034C000-memory.dmp
    Filesize

    48KB

  • memory/2512-5-0x0000000005270000-0x00000000052F2000-memory.dmp
    Filesize

    520KB

  • memory/2512-17-0x00000000746A0000-0x0000000074D8E000-memory.dmp
    Filesize

    6.9MB

  • memory/2636-8-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2636-7-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2636-9-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2636-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2636-12-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2636-14-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2636-16-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2636-6-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2636-18-0x00000000746A0000-0x0000000074D8E000-memory.dmp
    Filesize

    6.9MB

  • memory/2636-19-0x00000000004D0000-0x0000000000510000-memory.dmp
    Filesize

    256KB