Analysis

  • max time kernel
    91s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-10-2022 07:11

General

  • Target

    advance payment.exe

  • Size

    566KB

  • MD5

    05c01ddc8eb7af8cb3c49dfe101db3f9

  • SHA1

    689e211a6e4cdabf6dcd2b0cd20da68c093c6bdb

  • SHA256

    90b01e99ca3dc23e4902fb8ea15d61aa872208b47f5ff545561688f19729bfb6

  • SHA512

    9a388b483f4a860bcc26ac88925dd820d2e8dd9ebd439118692f978f8375116c7ac10c7d717c6ec36c0dddecceed1e015d0aa81e6f366a9e92e6d554956df027

  • SSDEEP

    12288:kB+96l1M2VAIQw1CUHZS2XYgn3A90vvJYRijFo4DViOSkNMSh0:kB+9SLQSHZS2Xhn35hy

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.qualitysolutions.co.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    9873335231

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\advance payment.exe
    "C:\Users\Admin\AppData\Local\Temp\advance payment.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2120
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ujeIzgvzxvO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6234.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4168
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3492

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp6234.tmp

    Filesize

    1KB

    MD5

    bcdc165d9de2776e91767cb8a87906f1

    SHA1

    fb207c0a51d1d6b2f335a0ed77c50c56fb9bfedc

    SHA256

    123298871869d2836beb0260190bf92f97832e993d21ac7f764df5d17a9a0496

    SHA512

    3ed706df8465668abd21d569cd4029ed438649361eeb176d19e633b385a65af94beba116e1fb653889352457412c4197885d768a1abcf30d1cdf28bc0ae13486

  • memory/2120-132-0x0000000000E70000-0x0000000000F04000-memory.dmp

    Filesize

    592KB

  • memory/2120-133-0x0000000008270000-0x0000000008814000-memory.dmp

    Filesize

    5.6MB

  • memory/2120-134-0x0000000007D80000-0x0000000007E12000-memory.dmp

    Filesize

    584KB

  • memory/2120-135-0x0000000007EC0000-0x0000000007F5C000-memory.dmp

    Filesize

    624KB

  • memory/2120-136-0x0000000007E20000-0x0000000007E2A000-memory.dmp

    Filesize

    40KB

  • memory/3492-139-0x0000000000000000-mapping.dmp

  • memory/3492-140-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3492-141-0x0000000005E40000-0x0000000005EA6000-memory.dmp

    Filesize

    408KB

  • memory/3492-142-0x0000000006450000-0x00000000064A0000-memory.dmp

    Filesize

    320KB

  • memory/4168-137-0x0000000000000000-mapping.dmp