Analysis

  • max time kernel
    137s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 12:53

General

  • Target

    c5b473122b5ec75934213b8a425f168c924f3b4280f58bff452f5e135c79f3ef.exe

  • Size

    966KB

  • MD5

    f680cc7dbd073f135b1000fa9221c1a3

  • SHA1

    5dcc545fc1575a700b9b47084a70722c18d7e508

  • SHA256

    c5b473122b5ec75934213b8a425f168c924f3b4280f58bff452f5e135c79f3ef

  • SHA512

    88711a963462f8e437e03e7ad786bff9b1635b8c8a89abebf82d1a255d24906b738dab53a0bd8e4ed5a9d9085f6ef350e5f4d44a639ead2ef72cbc2ab8422b61

  • SSDEEP

    12288:SpF4WDE6LoMbKAn6wRt+50pt78pUC8an8pUC8a4h1q9g19QQE7sRvp73yHHKCZa6:StoMbKK3Z8N8q1q9gYQE7sh5CnKCZH

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    TvNyBPp9212

Signatures

  • AgentTesla

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

  • AgentTesla payload 6 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5b473122b5ec75934213b8a425f168c924f3b4280f58bff452f5e135c79f3ef.exe
    "C:\Users\Admin\AppData\Local\Temp\c5b473122b5ec75934213b8a425f168c924f3b4280f58bff452f5e135c79f3ef.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fvdcUpHdOBv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB848.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1508
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1840

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB848.tmp

    Filesize

    1KB

    MD5

    16974b87105040c1a70389921620db82

    SHA1

    ee3e07dc0145b523099ce866d0021946ac5eefbe

    SHA256

    76addded63f273e63d327c70fb0022c42a0a93b4b2aeff777641be5a99d24ac4

    SHA512

    21d22638894e5cee1433d6b66cb81cbe323cd915ecffdcb961a597144489d7782f869478d7096e0a1bdffc539a74229083262b38e6b2b7273a9fe2d3310de86e

  • memory/1508-58-0x0000000000000000-mapping.dmp

  • memory/1840-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1840-60-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1840-61-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1840-63-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1840-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1840-66-0x000000000043763E-mapping.dmp

  • memory/1840-68-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1840-70-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2016-57-0x0000000005100000-0x000000000516C000-memory.dmp

    Filesize

    432KB

  • memory/2016-56-0x0000000000620000-0x000000000062A000-memory.dmp

    Filesize

    40KB

  • memory/2016-55-0x0000000075891000-0x0000000075893000-memory.dmp

    Filesize

    8KB

  • memory/2016-54-0x0000000000FB0000-0x00000000010A8000-memory.dmp

    Filesize

    992KB