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Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    09/09/2024, 16:00

General

  • Target

    tmp1nhfhbl9.exe

  • Size

    859KB

  • MD5

    61136861ddae7d53a0165c710bab05fe

  • SHA1

    3e001e090821562908369a797feb14da17199747

  • SHA256

    8ccca04fe86f770d8057a7209a6d31da8df7bace6f4a3d8e04d5bbfefc2661f3

  • SHA512

    0ecb011c573972f3ceef4ed12413f4f207094fb9d36daac3a727783058f7401946e678809f4ed436b8b54d0adec46f28c83df90a55bf588228d5e87769a67c23

  • SSDEEP

    12288:qZ9sUz1S6QUxvBKXbGiQOp8j8VQaZrWOreSuNe9PE4Xbm9i72lGP7r9r/+pppppL:AVdeQO2CQaZrA5EdE4rmkEG1q

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.

  • 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 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp1nhfhbl9.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp1nhfhbl9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3032
    • 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\tmp1nhfhbl9.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2480
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GWanLXwQAKvmjC.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2848
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GWanLXwQAKvmjC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDF09.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2828
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpDF09.tmp

    Filesize

    1KB

    MD5

    96412dec47e833103b4a17eaadd81706

    SHA1

    e44dfa8b4cdcb3c371ee8ae17f23c96a350e8c40

    SHA256

    66e9e1057066475444007f654bda8e545a135383d410efeb04e71cc6190d2383

    SHA512

    a2778ec100f871c8ab1298f8a6509c4f01ba1eb8e88c9727899281bcd6a465376912906bfdb4cb0c9271163150cca611ed92df7354f269789af377d70f269b96

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    8d514adb4a67e6be060574e4f0687db8

    SHA1

    482e71b16de15c977a81f2a2f7122309d8b98419

    SHA256

    8048e45e564e40696f7cace3f8b86afa5b868cd7599ce8859ba3e53642514f32

    SHA512

    3fa246acd940cf3b2130ed80f8364967ce71106a1520eca2b1d4aaa2825916f6e26b0b1f432707128a2e52c3e0d9529072399d9879bbd2e169cc048b30cf69a0

  • memory/2808-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2808-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2808-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2808-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2808-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2808-28-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2808-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2808-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3032-6-0x0000000005D70000-0x0000000005DF2000-memory.dmp

    Filesize

    520KB

  • memory/3032-1-0x0000000000890000-0x000000000096C000-memory.dmp

    Filesize

    880KB

  • memory/3032-0-0x00000000742AE000-0x00000000742AF000-memory.dmp

    Filesize

    4KB

  • memory/3032-2-0x00000000742A0000-0x000000007498E000-memory.dmp

    Filesize

    6.9MB

  • memory/3032-3-0x0000000000280000-0x0000000000290000-memory.dmp

    Filesize

    64KB

  • memory/3032-5-0x00000000742A0000-0x000000007498E000-memory.dmp

    Filesize

    6.9MB

  • memory/3032-4-0x00000000742AE000-0x00000000742AF000-memory.dmp

    Filesize

    4KB

  • memory/3032-31-0x00000000742A0000-0x000000007498E000-memory.dmp

    Filesize

    6.9MB