Analysis

  • max time kernel
    21s
  • max time network
    101s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-10-2024 07:02

General

  • Target

    CotizacinP13000996pdf.exe

  • Size

    705KB

  • MD5

    cd3a6f4e87632d933a99502e32a34b73

  • SHA1

    0033645d2b94cf4e56c8ea6eb8508e3c2ee77b11

  • SHA256

    b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca

  • SHA512

    5bb5961f2c0a22ac96ddbf6865ca73d308da2a9d0d04b4265debeed062ff56e7cff9cee8bf428f027f0849f27d01d84fa9b0e0b6902e8b594ceac2b7da73dc0b

  • SSDEEP

    12288:uyU5mU+8o1XTsMGQ8rbHJwVKlwIuyrxLr45MF1R43MtK6jO7i1DIYop:vUx4TXGtHFlwIvN05MF1Tj4i1DMp

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 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 3 TTPs

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

  • 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).

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CotizacinP13000996pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\CotizacinP13000996pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2320
    • 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\CotizacinP13000996pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2696
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jHJQWf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2196
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jHJQWf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCA8F.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2884
    • C:\Users\Admin\AppData\Local\Temp\CotizacinP13000996pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\CotizacinP13000996pdf.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpCA8F.tmp

    Filesize

    1KB

    MD5

    571a3b2b0817073e4cd6837ce19da45b

    SHA1

    a004091df94de49da52c5c8b278c1fba401d803e

    SHA256

    967d97e5b159e5a2dcac11b443f781049693494a14d2369861d6efa9bd88a489

    SHA512

    0313303c85fb74076cbe8c62f4e5273c6112cd47b9c8be3862b9344228cc3983a7cba145d4b2398d6739d40ff736f707c86587150b918a7e5951b6dbdb3e8057

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\TJP8EVLU5B4BUJN3P439.temp

    Filesize

    7KB

    MD5

    8bfd600fbc1b9dee87b6056188f05e61

    SHA1

    d8a821b5377da1809bb2607d88c6b90fb163706f

    SHA256

    65c7435e6281aa56b8f87a95404568a5f7c54a757d2fbbf6e70b42ca4359478f

    SHA512

    378023f94c04d611a29b2f31b1fc2a35dd84ba70933d5a2e1051c578ad710671f3e2ccb21cfed8faf9aa63fe6a16d5c8e053eac126eee75c1a895d3a46d8a359

  • memory/2320-4-0x0000000073D4E000-0x0000000073D4F000-memory.dmp

    Filesize

    4KB

  • memory/2320-32-0x0000000073D40000-0x000000007442E000-memory.dmp

    Filesize

    6.9MB

  • memory/2320-0-0x0000000073D4E000-0x0000000073D4F000-memory.dmp

    Filesize

    4KB

  • memory/2320-5-0x0000000073D40000-0x000000007442E000-memory.dmp

    Filesize

    6.9MB

  • memory/2320-6-0x0000000005C10000-0x0000000005C94000-memory.dmp

    Filesize

    528KB

  • memory/2320-2-0x0000000073D40000-0x000000007442E000-memory.dmp

    Filesize

    6.9MB

  • memory/2320-1-0x00000000011F0000-0x00000000012A6000-memory.dmp

    Filesize

    728KB

  • memory/2320-3-0x0000000000630000-0x0000000000648000-memory.dmp

    Filesize

    96KB

  • memory/2572-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2572-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2572-31-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2572-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2572-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2572-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2572-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2572-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB