Analysis

  • max time kernel
    16s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    20-09-2024 15:54

General

  • Target

    PO-3500036071.exe

  • Size

    614KB

  • MD5

    9a6fb05aecb4f4ce83d11d948cfbbf55

  • SHA1

    a1cb615284130925b1259d5a6881923b0eb2e58c

  • SHA256

    f40124a3e533151b64738625eb9cfa05433e6f2c9487729bcb1d71267948564f

  • SHA512

    677701d1d1f6bed146bfe146ab48097ffad8a6433c35833c7bab97b053cf283f6da1c48edf58083917dde052c9cbea1dbfcc7788e5c80661b07da93d1387c528

  • SSDEEP

    12288:+eoXEF2apKhcvZ94ixSjty6NpN4T/zw2M+YIB/RbtyzDB1qgJ:HoAPEi/Ujs6g/zJB32B1

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1820
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2232
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OWwqxnskD.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2928
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OWwqxnskD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp165E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2936
    • C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp165E.tmp

    Filesize

    1KB

    MD5

    baed590cfe3f02db12d6885a7e043f60

    SHA1

    acc6ed25095dd0afe41148c45bd44918a9089430

    SHA256

    eb571e574894d49f9f0fb732e15c90e36eee696e2c19afe828a88abbf0f0845e

    SHA512

    a122d3697cd85aae10387f529af7a098a9aa288221399c0ec010112fecf679a3b9a9dd53152119172477f9ac0228151bbd59e8cb6741528c28fb1ad1329f02e7

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\P0CE5WDN0P46T15YBIN1.temp

    Filesize

    7KB

    MD5

    f1160943974cfa6d79232a5fe49eeecb

    SHA1

    6d1dfd3bc22d94e4feea9ce624351a87d16e6b35

    SHA256

    6790153a5660aebc54c095e162026b431c2e7e7398569a80612b8e8dbe80eec4

    SHA512

    42fc99e8ced1fc4904eaf6c17275a2f05ef4849580bbbe60ff0ac6e3bbdda29953805e483924190f55cdacc29eb9857e98812686a83755b9db36b53411588749

  • memory/1820-4-0x00000000003A0000-0x00000000003B0000-memory.dmp

    Filesize

    64KB

  • memory/1820-3-0x0000000004DC0000-0x0000000004E60000-memory.dmp

    Filesize

    640KB

  • memory/1820-0-0x00000000746EE000-0x00000000746EF000-memory.dmp

    Filesize

    4KB

  • memory/1820-5-0x00000000746EE000-0x00000000746EF000-memory.dmp

    Filesize

    4KB

  • memory/1820-6-0x00000000746E0000-0x0000000074DCE000-memory.dmp

    Filesize

    6.9MB

  • memory/1820-7-0x00000000052A0000-0x0000000005322000-memory.dmp

    Filesize

    520KB

  • memory/1820-2-0x00000000746E0000-0x0000000074DCE000-memory.dmp

    Filesize

    6.9MB

  • memory/1820-1-0x0000000001320000-0x00000000013BC000-memory.dmp

    Filesize

    624KB

  • memory/1820-32-0x00000000746E0000-0x0000000074DCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2708-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2708-31-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2708-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2708-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2708-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2708-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2708-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2708-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB