Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-02-2023 19:10

General

  • Target

    f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe

  • Size

    818KB

  • MD5

    056dbac271b4b97fac9016695f03be29

  • SHA1

    f2b1dd5d709a7e606002f1b2a0cda30e07d1635b

  • SHA256

    a67119e6131f2cf27b28044e3562d04abd86b62bcebbfa8ed7f4ecea90682f2d

  • SHA512

    6e9c26661573d89ec52e37e1c300bad30d215ffdddaddc8e1b357449c241f19e1dd19a44f14dff4d6c829efd8beeb165a03c4bcda0d853d981839ae84e727dbd

  • SSDEEP

    24576:keSqG4yPa46F0xM64kLOBLHK4FUgmaFq:ztWiFkLOBLHK4FUgm

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe
    "C:\Users\Admin\AppData\Local\Temp\f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3696
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uUnNpOcmAQf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4796
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uUnNpOcmAQf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2EE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1072
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2128

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp2EE.tmp

    Filesize

    1KB

    MD5

    4db4c8af3911103e3bbbf114c5a4f527

    SHA1

    ed544befcf2c89a5f6972f874842a30afcab0dcd

    SHA256

    91e2769d782081075013b1cdc11e9efee2c732d34dd660d8a0b1d0b1a6fcad68

    SHA512

    2f7aa3f63abcd17782db448fafedd88c348c2dbeeba7b3e7edeef521c2d46ff5dd3971beed6214bbf8fe378e84ac512138e2a148bcd023df8a388d6a21566e4f

  • memory/1072-138-0x0000000000000000-mapping.dmp

  • memory/2128-144-0x0000000005200000-0x0000000005266000-memory.dmp

    Filesize

    408KB

  • memory/2128-159-0x0000000006E80000-0x0000000007042000-memory.dmp

    Filesize

    1.8MB

  • memory/2128-158-0x0000000006C60000-0x0000000006CB0000-memory.dmp

    Filesize

    320KB

  • memory/2128-142-0x0000000000000000-mapping.dmp

  • memory/2128-143-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3696-133-0x0000000005E50000-0x00000000063F4000-memory.dmp

    Filesize

    5.6MB

  • memory/3696-134-0x0000000005940000-0x00000000059D2000-memory.dmp

    Filesize

    584KB

  • memory/3696-135-0x0000000005910000-0x000000000591A000-memory.dmp

    Filesize

    40KB

  • memory/3696-136-0x00000000096A0000-0x000000000973C000-memory.dmp

    Filesize

    624KB

  • memory/3696-132-0x0000000000FD0000-0x00000000010A4000-memory.dmp

    Filesize

    848KB

  • memory/4796-146-0x0000000005BD0000-0x0000000005C36000-memory.dmp

    Filesize

    408KB

  • memory/4796-151-0x0000000007C20000-0x000000000829A000-memory.dmp

    Filesize

    6.5MB

  • memory/4796-141-0x00000000053D0000-0x00000000059F8000-memory.dmp

    Filesize

    6.2MB

  • memory/4796-147-0x00000000062D0000-0x00000000062EE000-memory.dmp

    Filesize

    120KB

  • memory/4796-148-0x00000000068A0000-0x00000000068D2000-memory.dmp

    Filesize

    200KB

  • memory/4796-149-0x0000000071380000-0x00000000713CC000-memory.dmp

    Filesize

    304KB

  • memory/4796-150-0x0000000006830000-0x000000000684E000-memory.dmp

    Filesize

    120KB

  • memory/4796-145-0x0000000005B30000-0x0000000005B52000-memory.dmp

    Filesize

    136KB

  • memory/4796-152-0x00000000075D0000-0x00000000075EA000-memory.dmp

    Filesize

    104KB

  • memory/4796-153-0x0000000007640000-0x000000000764A000-memory.dmp

    Filesize

    40KB

  • memory/4796-154-0x0000000007850000-0x00000000078E6000-memory.dmp

    Filesize

    600KB

  • memory/4796-155-0x0000000007800000-0x000000000780E000-memory.dmp

    Filesize

    56KB

  • memory/4796-156-0x0000000007910000-0x000000000792A000-memory.dmp

    Filesize

    104KB

  • memory/4796-157-0x00000000078F0000-0x00000000078F8000-memory.dmp

    Filesize

    32KB

  • memory/4796-139-0x0000000004D20000-0x0000000004D56000-memory.dmp

    Filesize

    216KB

  • memory/4796-137-0x0000000000000000-mapping.dmp