Analysis

  • max time kernel
    146s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 23:16

General

  • Target

    QUOTATIO.exe

  • Size

    407KB

  • MD5

    086d3778e1a2fbd66b2306a1410ba159

  • SHA1

    79e0b0ad3ec89b316ca19e49e385dffd804dcdce

  • SHA256

    95a2794993515cebc252e9c2862009a653f5c8930b78127fa7ba34b59493291c

  • SHA512

    31b980f9b47321531189734a644cddc3d129040b00a2c52c1855287decc55d0f77b955a7dd5db20b2fb6deef5ddaab97f4762df19f1b2573ac4fd56caa292955

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    chika12345@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 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.

  • 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 16 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTATIO.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATIO.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1500
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HKiFBdxSAREQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFC79.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1352
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:976

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpFC79.tmp

    Filesize

    1KB

    MD5

    59a9ed87cbae2df02b93e0b243b96cdf

    SHA1

    99c858874ce652128a4c6343a73d1e7625a26267

    SHA256

    e7c55a1c0941ba7cc1b25675e88879df6f4132aaa907fc06b6aec552cc6cea82

    SHA512

    ad8e047dad40dc4f40b1aa43d08e2bb072a4bf7b0d89dd5236b2aa841190b479792fbfcc9c7c7bf39ad981331243fc647fddb30b84ffa48af0acb432328aa9ef

  • memory/976-64-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/976-60-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/976-61-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/976-63-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/976-65-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/976-66-0x0000000000445F6E-mapping.dmp

  • memory/976-68-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/976-70-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1352-58-0x0000000000000000-mapping.dmp

  • memory/1500-56-0x00000000045F0000-0x0000000004642000-memory.dmp

    Filesize

    328KB

  • memory/1500-57-0x0000000074F91000-0x0000000074F93000-memory.dmp

    Filesize

    8KB

  • memory/1500-55-0x0000000000410000-0x0000000000422000-memory.dmp

    Filesize

    72KB

  • memory/1500-54-0x0000000001180000-0x00000000011EC000-memory.dmp

    Filesize

    432KB