Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-09-2024 01:56

General

  • Target

    8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe

  • Size

    811KB

  • MD5

    618d7fddd76b843f83d6d4c31839b5e7

  • SHA1

    ef36abd8aab3d7fb3f6e7952eded55f8e250f9bd

  • SHA256

    8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8

  • SHA512

    ee7b04ca41683d5625439456f0c1945d12f2fe566d6a29e8969b901d8c7a490cbf14c6525470771941832db3b3b57c22a9966eaf2b24988106252620532d95b4

  • SSDEEP

    24576:zjj0ywkp58986ZL7WwXjygOj9gLEwaGihzyI5:nwywb986ZnWwGHePaGazB

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.

  • 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).

  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
    "C:\Users\Admin\AppData\Local\Temp\8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2504
    • 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\8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2180
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ltKqhozufGaGUP.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2736
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ltKqhozufGaGUP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp35A1.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2764
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2676

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp35A1.tmp

    Filesize

    1KB

    MD5

    587baa4d6fcf6f2386339a8d86f833e7

    SHA1

    f57c1c5da9775555d8014b283122abc17836b237

    SHA256

    e9c311e20a8074e229a44fc55692ed4c1777f9c1c1196e3a2a4bb4f497457c17

    SHA512

    9e06bb84c71ac179c28815ae24935853f366ef8fdf1646300f7ffba11564dc6a9aef43fcae24ffc60ad1a119bb64bd0f74ebf504cee19a856bb3ab43b1e15c1d

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\MDKPPFIZPS0GNEYVVD35.temp

    Filesize

    7KB

    MD5

    0823240129337219dfb7d52b30ac97a3

    SHA1

    f1f5ecd21bf3f92ef051fb4c2572d2e6f33b856e

    SHA256

    c680dff1804dfc5f09448dc48b38b30408deef17ea5da166d54891b5e8cb35ff

    SHA512

    a581521de6c82cda59e07db46cecc3e5f8ce7029050c7eecea0c303d93b5fdb6feb7ad1d49f965f41df963d7c89e17595bba31e5f66e1ecaf1ac98e77fdc1d56

  • memory/2504-4-0x000000007429E000-0x000000007429F000-memory.dmp

    Filesize

    4KB

  • memory/2504-31-0x0000000074290000-0x000000007497E000-memory.dmp

    Filesize

    6.9MB

  • memory/2504-0-0x000000007429E000-0x000000007429F000-memory.dmp

    Filesize

    4KB

  • memory/2504-5-0x0000000074290000-0x000000007497E000-memory.dmp

    Filesize

    6.9MB

  • memory/2504-6-0x0000000004DC0000-0x0000000004E42000-memory.dmp

    Filesize

    520KB

  • memory/2504-2-0x0000000074290000-0x000000007497E000-memory.dmp

    Filesize

    6.9MB

  • memory/2504-1-0x00000000003A0000-0x000000000046C000-memory.dmp

    Filesize

    816KB

  • memory/2504-3-0x0000000000620000-0x0000000000638000-memory.dmp

    Filesize

    96KB

  • memory/2676-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2676-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2676-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2676-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2676-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2676-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2676-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2676-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB