Analysis

  • max time kernel
    19s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2024 10:44

General

  • Target

    80c7d29a1d98676c27132672175396193cb92ee30bdcfbf6a6c0ceb41b3d9616.exe

  • Size

    1.6MB

  • MD5

    f711e5126f671f7a3b4e124bd553bcdb

  • SHA1

    8ab7bcc77eee7973845299edc8209e7a94c3cc4b

  • SHA256

    80c7d29a1d98676c27132672175396193cb92ee30bdcfbf6a6c0ceb41b3d9616

  • SHA512

    af8c950452169d34a5d56761b20f1968cf99577211668d9f9aa8511d5076fa330b0653a58fcde7ececd8ad5695acffa0460f13affc48831222646c5e4e4fcd6e

  • SSDEEP

    24576:keq3CCnM8MvCqPS9mL04ya8zoKUjXpjXssz3POkTqiB/:zCnTMK2+mcroKUjXNXNZ

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7000875199:AAGcJDBHFcfVUBvhBO4xZLw34OXk1NWXSe0/

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\80c7d29a1d98676c27132672175396193cb92ee30bdcfbf6a6c0ceb41b3d9616.exe
    "C:\Users\Admin\AppData\Local\Temp\80c7d29a1d98676c27132672175396193cb92ee30bdcfbf6a6c0ceb41b3d9616.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2276
    • 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\80c7d29a1d98676c27132672175396193cb92ee30bdcfbf6a6c0ceb41b3d9616.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2768
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GFoZjxH.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2668
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GFoZjxH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5F4F.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2544
    • C:\Users\Admin\AppData\Local\Temp\80c7d29a1d98676c27132672175396193cb92ee30bdcfbf6a6c0ceb41b3d9616.exe
      "C:\Users\Admin\AppData\Local\Temp\80c7d29a1d98676c27132672175396193cb92ee30bdcfbf6a6c0ceb41b3d9616.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5F4F.tmp

    Filesize

    1KB

    MD5

    eb279c22b88bf0e399f9c6a38f6cdaff

    SHA1

    93234c43d6488205e2409d2aa534c0f76a89a832

    SHA256

    4b17ccdbd9f021742ca94461f072c6e3086df60acb431fb25bd712eea6b4ddb9

    SHA512

    e6f1f59fc19c49160569850d8c0e2d418433da8e3a85e9cd7b632422f9ed5b4351eaed0603ee8815cf38a24a4a5842ae606f3ff7a4cad80d39fad51b4b7ea170

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

    Filesize

    7KB

    MD5

    1556c1b5fd7527067bc595c33132d0a4

    SHA1

    f881b77a71506da5fbd7db8d8b5e603f33d45f10

    SHA256

    3573795f8ec2d6045cd0d393f5d6fe9c393ce86faa91acf94a2c0a92f570e559

    SHA512

    8f865541966bd2531b3d3a4410781c3f8c0142fa8fbce4baad98f44505a44ee0a8f39c770108fa0a19aa6ad250d0768342ebe425158531d6e74678d11ac7020e

  • memory/2276-4-0x0000000073C0E000-0x0000000073C0F000-memory.dmp

    Filesize

    4KB

  • memory/2276-31-0x0000000073C00000-0x00000000742EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2276-0-0x0000000073C0E000-0x0000000073C0F000-memory.dmp

    Filesize

    4KB

  • memory/2276-5-0x0000000073C00000-0x00000000742EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2276-6-0x0000000004F20000-0x0000000004FA4000-memory.dmp

    Filesize

    528KB

  • memory/2276-2-0x0000000073C00000-0x00000000742EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2276-1-0x0000000001190000-0x0000000001264000-memory.dmp

    Filesize

    848KB

  • memory/2276-3-0x00000000004F0000-0x00000000004FE000-memory.dmp

    Filesize

    56KB

  • memory/2592-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2592-32-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2592-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2592-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2592-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2592-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2592-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2592-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB