Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    18-06-2024 16:33

General

  • Target

    3b76f3aaf3d8f2f296cc272bbd031df5ea7126de65f2a40e8773aa155ca43601.exe

  • Size

    640KB

  • MD5

    82d1a111a163bd463d09f76865182045

  • SHA1

    442da7141a7fbebfb1c5e92c584f9aaf703ca9c9

  • SHA256

    3b76f3aaf3d8f2f296cc272bbd031df5ea7126de65f2a40e8773aa155ca43601

  • SHA512

    00a40d456b2507885d68d13ad3d9eb67c53f8262f732c654f37e98a33d77f62f3e7feb8cf9d4f75603333d6ac979a428967155f2fe688ae112a9f811036f9ada

  • SSDEEP

    12288:+mT/iFIsPAb/z/sPKLIRMprVf/lqC+JBeGUwLzaw3mKkQI7n+v1Fekem+ztyvrOf:rTkIKybU8mMprVHlqCjGUwLzl2mI7qds

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 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 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b76f3aaf3d8f2f296cc272bbd031df5ea7126de65f2a40e8773aa155ca43601.exe
    "C:\Users\Admin\AppData\Local\Temp\3b76f3aaf3d8f2f296cc272bbd031df5ea7126de65f2a40e8773aa155ca43601.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Users\Admin\AppData\Local\Temp\3b76f3aaf3d8f2f296cc272bbd031df5ea7126de65f2a40e8773aa155ca43601.exe
      "C:\Users\Admin\AppData\Local\Temp\3b76f3aaf3d8f2f296cc272bbd031df5ea7126de65f2a40e8773aa155ca43601.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2124-0-0x000000007424E000-0x000000007424F000-memory.dmp

    Filesize

    4KB

  • memory/2124-1-0x0000000000080000-0x0000000000126000-memory.dmp

    Filesize

    664KB

  • memory/2124-2-0x0000000074240000-0x000000007492E000-memory.dmp

    Filesize

    6.9MB

  • memory/2124-3-0x0000000000570000-0x0000000000582000-memory.dmp

    Filesize

    72KB

  • memory/2124-4-0x0000000001DB0000-0x0000000001DB8000-memory.dmp

    Filesize

    32KB

  • memory/2124-5-0x0000000001DC0000-0x0000000001DCC000-memory.dmp

    Filesize

    48KB

  • memory/2124-6-0x0000000004130000-0x00000000041B4000-memory.dmp

    Filesize

    528KB

  • memory/2124-24-0x0000000074240000-0x000000007492E000-memory.dmp

    Filesize

    6.9MB

  • memory/2600-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2600-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2600-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2600-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2600-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2600-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2600-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2600-22-0x0000000074240000-0x000000007492E000-memory.dmp

    Filesize

    6.9MB

  • memory/2600-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2600-23-0x0000000074240000-0x000000007492E000-memory.dmp

    Filesize

    6.9MB

  • memory/2600-25-0x0000000074240000-0x000000007492E000-memory.dmp

    Filesize

    6.9MB