Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    15-05-2024 02:08

General

  • Target

    3bed3f6c2969a7ee264dc32db250b6223283997ba2c46af406311a93301d4775.exe

  • Size

    620KB

  • MD5

    b72238cddb1517fdc1fc04fc234fe933

  • SHA1

    2de1f18cf39825a378c0c896ca9c10e87fb0e7c1

  • SHA256

    3bed3f6c2969a7ee264dc32db250b6223283997ba2c46af406311a93301d4775

  • SHA512

    f373c373801766328ce6d9e47cce608d08ce4df95e767bafd159ddee17956de283ec2d4f10409848a3ca3482d1ce48bfcad3efa2149c5e9f359278aee0a3876b

  • SSDEEP

    12288:YbdIIfTDe+tgGj3B6inGA05927ywUNkvi4FVzOwdXNI9:wmIm+tqinFC2uwMBYzOwfu

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5829039825:AAHUTzihFHkYnCe5S3O2k7aL4dVLIHvYzbo/

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3bed3f6c2969a7ee264dc32db250b6223283997ba2c46af406311a93301d4775.exe
    "C:\Users\Admin\AppData\Local\Temp\3bed3f6c2969a7ee264dc32db250b6223283997ba2c46af406311a93301d4775.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1868
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ihKKiXn.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2768
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ihKKiXn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC84E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2624
    • C:\Users\Admin\AppData\Local\Temp\3bed3f6c2969a7ee264dc32db250b6223283997ba2c46af406311a93301d4775.exe
      "C:\Users\Admin\AppData\Local\Temp\3bed3f6c2969a7ee264dc32db250b6223283997ba2c46af406311a93301d4775.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC84E.tmp

    Filesize

    1KB

    MD5

    f37bea6144b8ac1d4404f5acae43838f

    SHA1

    b433b2b5a397f6a7695411b231a7eab2aa24d733

    SHA256

    dff2767059cd3ab545c3f502bf7e74249d53e1481fa558bd7afcc0b7def9b7da

    SHA512

    1b29cca2e4c44e823005fdf0205febdf6746ac0df8806efadfcd48850d63b1be916e297caa239880a2bac9510d96230c8511e1316e3731d5ff177805d759c2a7

  • memory/1868-4-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

    Filesize

    4KB

  • memory/1868-3-0x0000000000870000-0x0000000000884000-memory.dmp

    Filesize

    80KB

  • memory/1868-15-0x00000000049E0000-0x0000000004A12000-memory.dmp

    Filesize

    200KB

  • memory/1868-0-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

    Filesize

    4KB

  • memory/1868-5-0x0000000074E60000-0x000000007554E000-memory.dmp

    Filesize

    6.9MB

  • memory/1868-6-0x00000000008C0000-0x00000000008CC000-memory.dmp

    Filesize

    48KB

  • memory/1868-7-0x0000000004430000-0x000000000449A000-memory.dmp

    Filesize

    424KB

  • memory/1868-1-0x0000000000A20000-0x0000000000AC2000-memory.dmp

    Filesize

    648KB

  • memory/1868-29-0x0000000074E60000-0x000000007554E000-memory.dmp

    Filesize

    6.9MB

  • memory/1868-2-0x0000000074E60000-0x000000007554E000-memory.dmp

    Filesize

    6.9MB

  • memory/2516-26-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2516-28-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2516-25-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2516-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2516-22-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2516-20-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2516-18-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2516-16-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB