Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2024 06:28

General

  • Target

    FabricWW1580DPEBO12SDCSeptemberBuy.pdf.exe

  • Size

    821KB

  • MD5

    87113dcc0719f80633c986c184c7e29f

  • SHA1

    9033d77c48bf796483bf8ba448bfd09aaaf162a1

  • SHA256

    3ab5cfa98e47af08a289ebfb6bfcdb40b109ac077c1b655b47798cb559931724

  • SHA512

    d6d7c62ca6d08f3fdad5ee4405882707d4d8ecbd8684067e85195b603a14a8c36b3ec5fd4b1dfe6a08d923ae56e4cb75ca350723159615b9a53752a57db38f30

  • SSDEEP

    24576:UfT2Hd8Vr98Fl0Yu/d4NOuhPpkBfJXAvR:UfTUd8VJ8Fl0YZpCBfJXAJ

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\FabricWW1580DPEBO12SDCSeptemberBuy.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\FabricWW1580DPEBO12SDCSeptemberBuy.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2084
    • 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\FabricWW1580DPEBO12SDCSeptemberBuy.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2712
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TKFJVphocGEKC.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2840
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TKFJVphocGEKC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5957.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2968
    • C:\Users\Admin\AppData\Local\Temp\FabricWW1580DPEBO12SDCSeptemberBuy.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\FabricWW1580DPEBO12SDCSeptemberBuy.pdf.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5957.tmp

    Filesize

    1KB

    MD5

    a9671ec37a4565553575d0d08a46bb52

    SHA1

    fc4272c0f50eb4a78c5e4c091802aba186ed2fea

    SHA256

    c9c56172ef9d1b9eaaca01f83f730d3aec262e9e40986de08b84bb7e254d4e03

    SHA512

    66bf14df3c33c20dd16d9660761ad9d7c18e713270cdc4622c35ff6d4ec27fa70bf1ff578173228728cbefb45a29abc7a214656a0d1b3f58bd428422ee408ac5

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6160A189WUAL5OWHFT67.temp

    Filesize

    7KB

    MD5

    95a71fbd3925d39ce3a0ddfd0001fa55

    SHA1

    b85d0b0bc389aa726de7584b349946965c8d6dcf

    SHA256

    12997e232b5b323c59c2ffa53d964108575b27ff74dcb1be7dd0ca1767bf028a

    SHA512

    9c5a5f88854574b4c7d9f35c002a17cb3777ab64b191c404e7a2a7b167f0e23ebf568d170e08c9c32106a18bb5baf99ac2d978f03070a479db642e0f465dddf2

  • memory/1864-32-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1864-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1864-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1864-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1864-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1864-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1864-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1864-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2084-1-0x0000000000EF0000-0x0000000000F9C000-memory.dmp

    Filesize

    688KB

  • memory/2084-2-0x00000000743B0000-0x0000000074A9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2084-0-0x00000000743BE000-0x00000000743BF000-memory.dmp

    Filesize

    4KB

  • memory/2084-7-0x0000000004C40000-0x0000000004CC2000-memory.dmp

    Filesize

    520KB

  • memory/2084-6-0x00000000743B0000-0x0000000074A9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2084-3-0x0000000004B90000-0x0000000004C38000-memory.dmp

    Filesize

    672KB

  • memory/2084-5-0x00000000743BE000-0x00000000743BF000-memory.dmp

    Filesize

    4KB

  • memory/2084-4-0x0000000000A90000-0x0000000000AA8000-memory.dmp

    Filesize

    96KB

  • memory/2084-33-0x00000000743B0000-0x0000000074A9E000-memory.dmp

    Filesize

    6.9MB