Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2024 01:14

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:2196
    • 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:2688
    • 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:2824
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ltKqhozufGaGUP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp366C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2584
    • 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:2204

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp366C.tmp

    Filesize

    1KB

    MD5

    06b4b2ce281d703b0eb84419318c6915

    SHA1

    9d3b973ccf7bb9624259104617d2a4c48a1d7f83

    SHA256

    3e645105e640a563097d4084e16faa86e7ba6f874eb2d34c11ff6f91c28e876e

    SHA512

    e06ff9dce2102cd054af705cec8193f5cac6a67fca1f903a1e6f051e95b00c320f82ccb8e80ee40c2a8e3e52bef5150c143875bc2e4bfc7b52b732fa14297468

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\9B7995KFMV3B07T449Z5.temp

    Filesize

    7KB

    MD5

    42f58c37b83823476649d3a0df931bf8

    SHA1

    acc26ab27de0cfb1673c0a6401fecad0be0b7d6c

    SHA256

    ee94f8a9b65101752b787e47d702af1d37d7ed49bd42e4678b03f28ed1a8491f

    SHA512

    2f8d5be15b25e000b4a2841c666e38622835549bb24f5fa24d23c1ddf1ce8cf8d5880e67c8d6d35123b0a2ced1342ec537b95daa84970d8e7695f3460b8794cd

  • memory/2196-4-0x000000007442E000-0x000000007442F000-memory.dmp

    Filesize

    4KB

  • memory/2196-31-0x0000000074420000-0x0000000074B0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2196-0-0x000000007442E000-0x000000007442F000-memory.dmp

    Filesize

    4KB

  • memory/2196-5-0x0000000074420000-0x0000000074B0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2196-6-0x00000000048D0000-0x0000000004952000-memory.dmp

    Filesize

    520KB

  • memory/2196-2-0x0000000074420000-0x0000000074B0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2196-1-0x0000000000C00000-0x0000000000CCC000-memory.dmp

    Filesize

    816KB

  • memory/2196-3-0x00000000005A0000-0x00000000005B8000-memory.dmp

    Filesize

    96KB

  • memory/2204-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2204-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2204-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2204-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2204-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2204-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2204-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2204-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB