Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    27-09-2024 01:28

General

  • Target

    BOSSARD_ORDER_4923521.exe

  • Size

    853KB

  • MD5

    a9ea323ea2de4868acfb99b7959b54b6

  • SHA1

    b66217db6ffda157a9252611f6b1d528f76f0420

  • SHA256

    e17765cd72f6b95c8167f428ed734688d3b545c45c23e07407361e8979b49167

  • SHA512

    eff66d932ba7d246b20fe71da264ecbabb430d27bec97bbe258f0b4ca6a43843426f5251579b444ae5fd02fbcf8d9ee8cb9030c7e7c20727bb36e813e1b3117f

  • SSDEEP

    12288:27auaN1gTyQcG+yDXEdKemm6EIJtZcIuE4VGnYZzHmPKuDVFSrdtTJHlgrdm4Vzu:27sQclMXk6OVGn2zGS6VAd

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 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 3 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BOSSARD_ORDER_4923521.exe
    "C:\Users\Admin\AppData\Local\Temp\BOSSARD_ORDER_4923521.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1736
    • 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\BOSSARD_ORDER_4923521.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2856
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CkVzvA.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2984
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CkVzvA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEA7E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2988
    • C:\Users\Admin\AppData\Local\Temp\BOSSARD_ORDER_4923521.exe
      "C:\Users\Admin\AppData\Local\Temp\BOSSARD_ORDER_4923521.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpEA7E.tmp

    Filesize

    1KB

    MD5

    8f8d65ef0cfcb6cb804517b3fe3545e9

    SHA1

    a7d708c07e2fac0bbea03d946d0ebdbf2fb51aeb

    SHA256

    7f45b37ed40642e06bb748e1069d04f3d0fc5580370c7b8a844d6dadad5e6557

    SHA512

    0251123df7c6351df97ac7daa8c8c7a646ec604c7f54ea9b4011848fe4be90e5f87ac5143a78f1b9f1374098769fa657bbebf3d0435fa2f386292d3a4e26c372

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

    Filesize

    7KB

    MD5

    f663f96a54b719581438bd5749915a14

    SHA1

    f9bbc4fbae2189683cba039542161e37ae186470

    SHA256

    39d6ddc325e17a4f9296a748aa8cb7a6e52e961ebac544a4deb817b2dd5dc6bf

    SHA512

    1405a6f61102c240d3d659ace29bf72f04b5414750d266b92e9e324dd04ab52312fb44f7d1011c29ecd21dad7adc65a8a1b9ee5d585d0bc8b314ae48175b07a1

  • memory/1736-4-0x00000000742EE000-0x00000000742EF000-memory.dmp

    Filesize

    4KB

  • memory/1736-31-0x00000000742E0000-0x00000000749CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1736-0-0x00000000742EE000-0x00000000742EF000-memory.dmp

    Filesize

    4KB

  • memory/1736-5-0x00000000742E0000-0x00000000749CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1736-6-0x0000000005650000-0x00000000056D2000-memory.dmp

    Filesize

    520KB

  • memory/1736-2-0x00000000742E0000-0x00000000749CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1736-1-0x0000000000BB0000-0x0000000000C8C000-memory.dmp

    Filesize

    880KB

  • memory/1736-3-0x0000000000920000-0x0000000000930000-memory.dmp

    Filesize

    64KB

  • memory/2600-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2600-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2600-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2600-28-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2600-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2600-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2600-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2600-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB