Analysis

  • max time kernel
    125s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2023 03:12

General

  • Target

    e7f46dc7145e87eb0674a7b2b7b980a886defb6e8ad7a2caff796a3787a01dff.exe

  • Size

    422KB

  • MD5

    a4b7d954a47d10725218d26512544394

  • SHA1

    4d7a7b92c256927cb93d78896f278e8945ea0665

  • SHA256

    e7f46dc7145e87eb0674a7b2b7b980a886defb6e8ad7a2caff796a3787a01dff

  • SHA512

    ee7554af28b119016d04e1f3e6eae2296c9406e02835f6506bb255c4f606b3cde1ad655217a13d5d51796502047ec590179bb2a45db0433ffce437653a8ae977

  • SSDEEP

    6144:Rxu7VAd87ZC/xmqXAtz9TqawD0vcOCbjcqmBuXUmiedMKhB2j9YDxTgCrC:Rxu7lZ4xmqg9TJtTCbjpmBR3MMluxTg

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • 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 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7f46dc7145e87eb0674a7b2b7b980a886defb6e8ad7a2caff796a3787a01dff.exe
    "C:\Users\Admin\AppData\Local\Temp\e7f46dc7145e87eb0674a7b2b7b980a886defb6e8ad7a2caff796a3787a01dff.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /release
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4628
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /release
        3⤵
        • Gathers network information
        PID:4112
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /renew
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1032
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /renew
        3⤵
        • Gathers network information
        PID:4856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1824-0-0x00000000006E0000-0x0000000000750000-memory.dmp

    Filesize

    448KB

  • memory/1824-1-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1824-2-0x0000000005770000-0x0000000005D14000-memory.dmp

    Filesize

    5.6MB

  • memory/1824-3-0x00000000051C0000-0x0000000005252000-memory.dmp

    Filesize

    584KB

  • memory/1824-4-0x00000000050B0000-0x00000000050C0000-memory.dmp

    Filesize

    64KB

  • memory/1824-5-0x0000000005130000-0x000000000513A000-memory.dmp

    Filesize

    40KB

  • memory/1824-6-0x0000000005260000-0x00000000052BA000-memory.dmp

    Filesize

    360KB

  • memory/1824-7-0x00000000052C0000-0x0000000005300000-memory.dmp

    Filesize

    256KB

  • memory/1824-8-0x0000000005440000-0x0000000005480000-memory.dmp

    Filesize

    256KB

  • memory/1824-9-0x0000000005480000-0x00000000054CC000-memory.dmp

    Filesize

    304KB

  • memory/1824-10-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1824-11-0x00000000050B0000-0x00000000050C0000-memory.dmp

    Filesize

    64KB

  • memory/1824-14-0x0000000005500000-0x0000000005542000-memory.dmp

    Filesize

    264KB

  • memory/1824-15-0x00000000055C0000-0x0000000005626000-memory.dmp

    Filesize

    408KB

  • memory/1824-16-0x0000000006DA0000-0x0000000006DF0000-memory.dmp

    Filesize

    320KB

  • memory/1824-17-0x0000000006E90000-0x0000000006F2C000-memory.dmp

    Filesize

    624KB