Analysis

  • max time kernel
    267s
  • max time network
    334s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 13:23

General

  • Target

    INVOICE AND PARKING LIST.exe

  • Size

    668KB

  • MD5

    9efabcfe6bfbfa5dda90ad4dc5894040

  • SHA1

    07c7cdac9aa0658d374331c4b35a9d0190eadbee

  • SHA256

    05472a071f902b974d4ce0d2e605058580f86ab1ad7b6c201c6f9b38608c9b4d

  • SHA512

    bae5eb2fb1dcb683ccab5b4c5f6857ffe300b1719378050e5aab1f97e0c748dbbb5abe91b32cbe8aea3615069f0903a376310ad68ad4ad60d80f1933100e0855

  • SSDEEP

    12288:wFkzrbETClCHskFgFwIyXCDP0SLZigmxSuhnlYiAEt+Ccf8r2Yt93cr:Z76CIskFgqIyXyLOLHbAA+Ccfkg

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.southernboilers.org
  • Port:
    587
  • Username:
    info@southernboilers.org
  • Password:
    Sksmoke2018#
  • Email To:
    obtxxxtf@gmail.com

Signatures

  • AgentTesla

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

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INVOICE AND PARKING LIST.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE AND PARKING LIST.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:892
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pNSzlHrvsnPyrx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3035.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:576
    • C:\Users\Admin\AppData\Local\Temp\INVOICE AND PARKING LIST.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1984

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3035.tmp
    Filesize

    1KB

    MD5

    4e6fed192f88fbbcd7676b8409adf517

    SHA1

    fc846261801a4feb2bebd3257946d4767e7ab268

    SHA256

    b98ead25cd5cb114e3603a9264e12c45f6a9774014aefec945b6e29a48da4fdd

    SHA512

    743169b1c128c9dae816c3462c343dafebbf05b1b8a4b04f07b213d2e794b0bea49b87474c50387a6973c86a6e0c2400c9c2cca439c6c21c1619433cf1b68291

  • memory/576-59-0x0000000000000000-mapping.dmp
  • memory/892-57-0x0000000005440000-0x00000000054C2000-memory.dmp
    Filesize

    520KB

  • memory/892-54-0x0000000000CE0000-0x0000000000D8E000-memory.dmp
    Filesize

    696KB

  • memory/892-58-0x0000000000AD0000-0x0000000000B0C000-memory.dmp
    Filesize

    240KB

  • memory/892-56-0x0000000000480000-0x0000000000492000-memory.dmp
    Filesize

    72KB

  • memory/892-55-0x0000000075E01000-0x0000000075E03000-memory.dmp
    Filesize

    8KB

  • memory/1984-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1984-62-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1984-64-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1984-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1984-66-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1984-67-0x0000000000437B8E-mapping.dmp
  • memory/1984-69-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1984-71-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB