Analysis

  • max time kernel
    134s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/11/2022, 09:24

General

  • Target

    370d15a77a1f32863d977a71eed3cf94908b7d34728d098a82c0a4354d97f771.exe

  • Size

    626KB

  • MD5

    dd16be66d8b6d4286f78f1fecde1571a

  • SHA1

    a892492f269665c2813d0d0d2dddf7ae9e56c157

  • SHA256

    370d15a77a1f32863d977a71eed3cf94908b7d34728d098a82c0a4354d97f771

  • SHA512

    890ec6529153f59281d7047bcd6d788c4d8e9a1ceaf6016d6629b7d6c838c38fae55f5bf2ab3b98d80df4edc68c20f6e8dac0f45d16d2ed2229cab72eea3554f

  • SSDEEP

    12288:i8lrM/Pe0KGFgEhoHE6WN5b5lroG+Fd41Q:lM/G0KGFx6Wjb5lriYa

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @Mexico1.,

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\370d15a77a1f32863d977a71eed3cf94908b7d34728d098a82c0a4354d97f771.exe
    "C:\Users\Admin\AppData\Local\Temp\370d15a77a1f32863d977a71eed3cf94908b7d34728d098a82c0a4354d97f771.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:532
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ChAmmwjqyoVv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F8B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3632
    • C:\Users\Admin\AppData\Local\Temp\370d15a77a1f32863d977a71eed3cf94908b7d34728d098a82c0a4354d97f771.exe
      "C:\Users\Admin\AppData\Local\Temp\370d15a77a1f32863d977a71eed3cf94908b7d34728d098a82c0a4354d97f771.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3108

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp7F8B.tmp

          Filesize

          1KB

          MD5

          5273c0200776841602b7232368b5c6a2

          SHA1

          1ac68866bcdbe927cc88205c9e90a42f375dcbb9

          SHA256

          9c718ad59b263c6a190107ae6bc3e722612471a65ecacb1a2bd8c89ff88d0796

          SHA512

          dff5cc0dd717a7f9d59767ebdd8368ac783c98cdf32d12d12bb4fe4094cf2290005b448509243eb600b0c31a9fcb2b0682443448391f7f500fde0b65df6fe436

        • memory/532-132-0x0000000000430000-0x00000000004D2000-memory.dmp

          Filesize

          648KB

        • memory/532-133-0x0000000004E80000-0x0000000004F1C000-memory.dmp

          Filesize

          624KB

        • memory/532-134-0x0000000005560000-0x0000000005B04000-memory.dmp

          Filesize

          5.6MB

        • memory/532-135-0x0000000005050000-0x00000000050E2000-memory.dmp

          Filesize

          584KB

        • memory/532-136-0x0000000004E70000-0x0000000004E7A000-memory.dmp

          Filesize

          40KB

        • memory/532-137-0x0000000004FB0000-0x0000000005006000-memory.dmp

          Filesize

          344KB

        • memory/3108-141-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/3108-142-0x0000000006710000-0x0000000006776000-memory.dmp

          Filesize

          408KB