Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-09-2024 20:32

General

  • Target

    Zahlungsbestätigung.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\Zahlungsbestätigung.exe
    "C:\Users\Admin\AppData\Local\Temp\Zahlungsbestätigung.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1792
    • 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\Zahlungsbestätigung.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2112
    • 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:2308
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GFoZjxH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF4BB.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2704
    • C:\Users\Admin\AppData\Local\Temp\Zahlungsbestätigung.exe
      "C:\Users\Admin\AppData\Local\Temp\Zahlungsbestätigung.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF4BB.tmp

    Filesize

    1KB

    MD5

    26660abea2d7cf89fdd36a90b5b41a85

    SHA1

    c7aa9b70e337c006d7bb363f4b6fbada10091278

    SHA256

    3af9d494173a836bc726830e4dc9f20b40f12dabb822fd55e852b01084d59253

    SHA512

    e09c702cde74707c74e45d657d7c67151b34d4ff465a3c5e1fe24cdb2cacea5d221bf68a28cc3d44aa0a476082bcb7ccc0100366d59b9fe909fa4f242d358e26

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

    Filesize

    7KB

    MD5

    f71f2e54bb580b4600ec43bd1e62b266

    SHA1

    7e7b97d099e91aaec968d4c9b27c5c4a0d76c244

    SHA256

    e79a8f1e33d6ddbff5c2f42fc9c68121db3f8100c18d64e8729bbf708377220e

    SHA512

    3572a55a7c38025a5d95419696660df3d1c7f84cdb0157822741564dcb5741f82f4b797d4f218b5035305a29c7d2727378866957fbc516dfa7467fb3d0bb75d8

  • memory/1792-31-0x0000000074400000-0x0000000074AEE000-memory.dmp

    Filesize

    6.9MB

  • memory/1792-1-0x0000000000910000-0x00000000009E4000-memory.dmp

    Filesize

    848KB

  • memory/1792-2-0x0000000074400000-0x0000000074AEE000-memory.dmp

    Filesize

    6.9MB

  • memory/1792-3-0x00000000003F0000-0x00000000003FE000-memory.dmp

    Filesize

    56KB

  • memory/1792-4-0x0000000074400000-0x0000000074AEE000-memory.dmp

    Filesize

    6.9MB

  • memory/1792-5-0x0000000005090000-0x0000000005114000-memory.dmp

    Filesize

    528KB

  • memory/1792-0-0x000000007440E000-0x000000007440F000-memory.dmp

    Filesize

    4KB

  • memory/2872-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2872-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2872-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2872-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2872-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2872-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2872-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2872-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB