Analysis

  • max time kernel
    156s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 17:46

General

  • Target

    78df5c6c397c0473e00359d54b51d87082a900525bcc70d914ebb07890d551e1.exe

  • Size

    651KB

  • MD5

    754a8b8acc8efc131c31a8699e436d6c

  • SHA1

    e4d07113f756a089fee512fa26a6efcd99ce6669

  • SHA256

    78df5c6c397c0473e00359d54b51d87082a900525bcc70d914ebb07890d551e1

  • SHA512

    9b5e5bc8753434f931760089ce7f8104a41c2c6be5917c90138fd022a297284d82c48a0b6a1de31808d4a6c92e3964fe9b7ff2d7c9488063fa68214dac443136

  • SSDEEP

    12288:u86YTC4M0LTewi5DMzK14sFfgVcnQxBzLZE0QEVFMWM:u86oB4uK2q9QDL6I7F

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @damienzy.xyz2240

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\78df5c6c397c0473e00359d54b51d87082a900525bcc70d914ebb07890d551e1.exe
    "C:\Users\Admin\AppData\Local\Temp\78df5c6c397c0473e00359d54b51d87082a900525bcc70d914ebb07890d551e1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\plYWrXsdmnPRqB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4B44.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:544
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1888

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp4B44.tmp

    Filesize

    1KB

    MD5

    e3d31d067d43fa2e46d5d41b6731fb82

    SHA1

    5a9966166a30b0e849998583cd5ce1978a5d1072

    SHA256

    f12bc1ef8d7f53443b78368d3b2e1311ccf06998e067e23e304f3db1fbeb4024

    SHA512

    6b0ce4c9eb89367df847fc82c22e90943fe01d2e5a014c7d126ea86f7da6762a85b17a1643e12d71c839cb3c9a1d8fe29619555b93f8677b3a3362de8aa9e019

  • memory/544-57-0x0000000000000000-mapping.dmp

  • memory/1536-54-0x0000000075C31000-0x0000000075C33000-memory.dmp

    Filesize

    8KB

  • memory/1536-55-0x0000000074870000-0x0000000074E1B000-memory.dmp

    Filesize

    5.7MB

  • memory/1536-56-0x0000000074870000-0x0000000074E1B000-memory.dmp

    Filesize

    5.7MB

  • memory/1536-72-0x0000000074870000-0x0000000074E1B000-memory.dmp

    Filesize

    5.7MB

  • memory/1888-63-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/1888-62-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/1888-60-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/1888-64-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/1888-65-0x00000000004491DE-mapping.dmp

  • memory/1888-67-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/1888-69-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/1888-71-0x0000000074870000-0x0000000074E1B000-memory.dmp

    Filesize

    5.7MB

  • memory/1888-59-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/1888-73-0x0000000074870000-0x0000000074E1B000-memory.dmp

    Filesize

    5.7MB