Analysis

  • max time kernel
    135s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2023, 22:49

General

  • Target

    3dc6f11f42af56fb2ee55b91bb0cee231365cd9bdac9ab2b5e32476118b34403.exe

  • Size

    938KB

  • MD5

    00fc05e427d25c4bc6e3ab4160644c55

  • SHA1

    b87b7e89ee2319ff7df6250f7a9b7b87c9183147

  • SHA256

    3dc6f11f42af56fb2ee55b91bb0cee231365cd9bdac9ab2b5e32476118b34403

  • SHA512

    1534692007ea17c6218d06d1f63dbe824e66cc176dfba32c78aa7754685da5396e42f602cd3ef4eb80f97cdffec6e3aa9d71ba557adae65c0c4f41dddc894436

  • SSDEEP

    12288:JtCD6O9rHtPkqNSUHkLWke7ijsuZpE9S0yYRxR7GrRybpLGZP:W5Bk6EaJAs8pEB9D7GrRy8ZP

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 37 IoCs
  • Suspicious use of SendNotifyMessage 37 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3dc6f11f42af56fb2ee55b91bb0cee231365cd9bdac9ab2b5e32476118b34403.exe
    "C:\Users\Admin\AppData\Local\Temp\3dc6f11f42af56fb2ee55b91bb0cee231365cd9bdac9ab2b5e32476118b34403.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2572
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lDPEGWaKdYtA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD9EA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1488
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4428
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /7
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4952

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD9EA.tmp

    Filesize

    1KB

    MD5

    8b7b5348d52aa4d6d57fd917c59638f3

    SHA1

    90e9815fb6341d6ac4e189228747b62d553153c7

    SHA256

    05b141eec876da8915825333722057a094e3e6a14b30e673cd5b5b3f2389dc30

    SHA512

    9344b0c4a6eb41b3548ef24a9ed81f80c287e53ca1598fc7a5300a4878f75e148144fa9808625573df716eb1709ba997422ad8205291c7f07f9529949794e0cf

  • memory/2572-133-0x00000000004C0000-0x00000000005B0000-memory.dmp

    Filesize

    960KB

  • memory/2572-134-0x0000000004FC0000-0x000000000505C000-memory.dmp

    Filesize

    624KB

  • memory/2572-135-0x0000000005060000-0x00000000050F2000-memory.dmp

    Filesize

    584KB

  • memory/2572-149-0x0000000004F50000-0x0000000004F60000-memory.dmp

    Filesize

    64KB

  • memory/4428-160-0x0000000006370000-0x00000000063C0000-memory.dmp

    Filesize

    320KB

  • memory/4428-161-0x0000000006590000-0x0000000006752000-memory.dmp

    Filesize

    1.8MB

  • memory/4428-159-0x00000000060F0000-0x00000000060FA000-memory.dmp

    Filesize

    40KB

  • memory/4428-157-0x0000000005010000-0x0000000005020000-memory.dmp

    Filesize

    64KB

  • memory/4428-156-0x0000000005020000-0x0000000005086000-memory.dmp

    Filesize

    408KB

  • memory/4428-155-0x0000000005480000-0x0000000005A24000-memory.dmp

    Filesize

    5.6MB

  • memory/4428-153-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4428-162-0x0000000005010000-0x0000000005020000-memory.dmp

    Filesize

    64KB

  • memory/4952-138-0x00000289017B0000-0x00000289017B1000-memory.dmp

    Filesize

    4KB

  • memory/4952-148-0x00000289017B0000-0x00000289017B1000-memory.dmp

    Filesize

    4KB

  • memory/4952-147-0x00000289017B0000-0x00000289017B1000-memory.dmp

    Filesize

    4KB

  • memory/4952-146-0x00000289017B0000-0x00000289017B1000-memory.dmp

    Filesize

    4KB

  • memory/4952-144-0x00000289017B0000-0x00000289017B1000-memory.dmp

    Filesize

    4KB

  • memory/4952-145-0x00000289017B0000-0x00000289017B1000-memory.dmp

    Filesize

    4KB

  • memory/4952-142-0x00000289017B0000-0x00000289017B1000-memory.dmp

    Filesize

    4KB

  • memory/4952-143-0x00000289017B0000-0x00000289017B1000-memory.dmp

    Filesize

    4KB

  • memory/4952-137-0x00000289017B0000-0x00000289017B1000-memory.dmp

    Filesize

    4KB

  • memory/4952-136-0x00000289017B0000-0x00000289017B1000-memory.dmp

    Filesize

    4KB