Analysis

  • max time kernel
    96s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-06-2024 09:50

General

  • Target

    Additional Agreement5432.exe

  • Size

    1.0MB

  • MD5

    c31af689c2a98a34e4372db20e0468e0

  • SHA1

    a00007373d00cd7519d5c3520743d2fc7d7c05d6

  • SHA256

    589a2ca9b2c36da41ee6d7366e35c943f6c6165719e6e699c6b9dccedb4a6503

  • SHA512

    2bd225c396f07c0395fefd1ba14c1e53fa6311b54a097934bb19ee6a17236b24c120ba6314fffefdd5660e82a2a377bb986ea5541acb5dc19072ee7383725363

  • SSDEEP

    24576:jAHnh+eWsN3skA4RV1Hom2KXMmHawhJDLYbQeDtC6LZG5:uh+ZkldoPK8Yaw3s5DY6LS

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 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 behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Additional Agreement5432.exe
    "C:\Users\Admin\AppData\Local\Temp\Additional Agreement5432.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\Additional Agreement5432.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/628-11-0x0000000000520000-0x0000000000562000-memory.dmp

    Filesize

    264KB

  • memory/628-12-0x00000000739DE000-0x00000000739DF000-memory.dmp

    Filesize

    4KB

  • memory/628-13-0x0000000005370000-0x0000000005914000-memory.dmp

    Filesize

    5.6MB

  • memory/628-14-0x0000000004CD0000-0x0000000004D36000-memory.dmp

    Filesize

    408KB

  • memory/628-15-0x00000000739D0000-0x0000000074180000-memory.dmp

    Filesize

    7.7MB

  • memory/628-18-0x0000000006480000-0x00000000064D0000-memory.dmp

    Filesize

    320KB

  • memory/628-19-0x00000000065E0000-0x0000000006672000-memory.dmp

    Filesize

    584KB

  • memory/628-20-0x00000000064F0000-0x00000000064FA000-memory.dmp

    Filesize

    40KB

  • memory/628-21-0x00000000739DE000-0x00000000739DF000-memory.dmp

    Filesize

    4KB

  • memory/628-22-0x00000000739D0000-0x0000000074180000-memory.dmp

    Filesize

    7.7MB

  • memory/2132-10-0x0000000004380000-0x0000000004384000-memory.dmp

    Filesize

    16KB