Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08-04-2024 01:22

General

  • Target

    22a9af12aa1ebf30e2c6975aa4b8e5bc3b5967c55bcfd596233e4f28b3c646e9.exe

  • Size

    746KB

  • MD5

    7a323326eb6723bf356cd8752077a797

  • SHA1

    1e18fe521ff092bfc698dbe31df20c6be4c9acd5

  • SHA256

    22a9af12aa1ebf30e2c6975aa4b8e5bc3b5967c55bcfd596233e4f28b3c646e9

  • SHA512

    3d7e369b198cb9ec3a2f5bf6860d423e0542f71143a05172926a180d2ec6eaf55d575e25d11ac8c335048c69fe7b6bea67b6b406cf15fbd630b726d0685deca1

  • SSDEEP

    12288:k0KoFwaQyhwM1hilZBrOAoovdMHw9T8FmhiCxaqDmm6:jKo9+M1clmAo00w9oNGaqDmb

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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\22a9af12aa1ebf30e2c6975aa4b8e5bc3b5967c55bcfd596233e4f28b3c646e9.exe
    "C:\Users\Admin\AppData\Local\Temp\22a9af12aa1ebf30e2c6975aa4b8e5bc3b5967c55bcfd596233e4f28b3c646e9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2192
    • C:\Users\Admin\AppData\Local\Temp\22a9af12aa1ebf30e2c6975aa4b8e5bc3b5967c55bcfd596233e4f28b3c646e9.exe
      "C:\Users\Admin\AppData\Local\Temp\22a9af12aa1ebf30e2c6975aa4b8e5bc3b5967c55bcfd596233e4f28b3c646e9.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1640-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1640-25-0x0000000004B40000-0x0000000004B80000-memory.dmp

    Filesize

    256KB

  • memory/1640-24-0x0000000074050000-0x000000007473E000-memory.dmp

    Filesize

    6.9MB

  • memory/1640-22-0x0000000004B40000-0x0000000004B80000-memory.dmp

    Filesize

    256KB

  • memory/1640-21-0x0000000074050000-0x000000007473E000-memory.dmp

    Filesize

    6.9MB

  • memory/1640-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1640-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1640-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1640-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1640-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1640-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1640-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2192-5-0x0000000000500000-0x000000000050C000-memory.dmp

    Filesize

    48KB

  • memory/2192-6-0x0000000005320000-0x00000000053A2000-memory.dmp

    Filesize

    520KB

  • memory/2192-3-0x00000000004C0000-0x00000000004D6000-memory.dmp

    Filesize

    88KB

  • memory/2192-20-0x0000000074050000-0x000000007473E000-memory.dmp

    Filesize

    6.9MB

  • memory/2192-4-0x00000000004F0000-0x00000000004F8000-memory.dmp

    Filesize

    32KB

  • memory/2192-0-0x0000000001170000-0x0000000001230000-memory.dmp

    Filesize

    768KB

  • memory/2192-1-0x0000000074050000-0x000000007473E000-memory.dmp

    Filesize

    6.9MB

  • memory/2192-2-0x0000000004D00000-0x0000000004D40000-memory.dmp

    Filesize

    256KB