Analysis

  • max time kernel
    125s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-06-2024 15:26

General

  • Target

    1b4cd0759ffb8314d799031e229d82bf5adf74ed60f0430c4df7fad3b49137f0.exe

  • Size

    98KB

  • MD5

    9ea3d152c4e248841abf4f490a84b8c9

  • SHA1

    77d61f0c95c5f7cd4378ca528c4d13ce283af5c4

  • SHA256

    1b4cd0759ffb8314d799031e229d82bf5adf74ed60f0430c4df7fad3b49137f0

  • SHA512

    53f264afbc654519ef97efa33ea2c8fa2afcb30505e67f775f67aa4dffd3570861c532cfd8bc7465a93822122d08f761054b2dc75d52893cdde397e941d92fec

  • SSDEEP

    1536:+A4Lk8u2qHlllllllOdQlwEn+glllllllllllllllllll5xw5ll:RMtYwiVxw5ll

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    162.254.34.31
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    6RLYuUCIH8hN

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1b4cd0759ffb8314d799031e229d82bf5adf74ed60f0430c4df7fad3b49137f0.exe
    "C:\Users\Admin\AppData\Local\Temp\1b4cd0759ffb8314d799031e229d82bf5adf74ed60f0430c4df7fad3b49137f0.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3964
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /release
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4948
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /release
        3⤵
        • Gathers network information
        PID:1508
    • C:\Users\Admin\AppData\Local\Temp\1b4cd0759ffb8314d799031e229d82bf5adf74ed60f0430c4df7fad3b49137f0.exe
      "C:\Users\Admin\AppData\Local\Temp\1b4cd0759ffb8314d799031e229d82bf5adf74ed60f0430c4df7fad3b49137f0.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4532
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /renew
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:572
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /renew
        3⤵
        • Gathers network information
        PID:4436
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3980,i,4778049104057176787,6631751660692402210,262144 --variations-seed-version --mojo-platform-channel-handle=1028 /prefetch:8
    1⤵
      PID:1420

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3964-0-0x000000007460E000-0x000000007460F000-memory.dmp

      Filesize

      4KB

    • memory/3964-1-0x0000000000B50000-0x0000000000B6E000-memory.dmp

      Filesize

      120KB

    • memory/3964-2-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3964-3-0x00000000077F0000-0x0000000007A20000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-4-0x0000000007FD0000-0x0000000008574000-memory.dmp

      Filesize

      5.6MB

    • memory/3964-5-0x0000000007AC0000-0x0000000007B52000-memory.dmp

      Filesize

      584KB

    • memory/3964-6-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-13-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-17-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-41-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-43-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-39-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-59-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-37-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-35-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-33-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-31-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-29-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-27-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-25-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-23-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-21-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-19-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-15-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-11-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-9-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-7-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-61-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-57-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-55-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-53-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-51-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-49-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-47-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-45-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-69-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-67-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-65-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-63-0x00000000077F0000-0x0000000007A1B000-memory.dmp

      Filesize

      2.2MB

    • memory/3964-4892-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3964-4894-0x0000000005D40000-0x0000000005D8C000-memory.dmp

      Filesize

      304KB

    • memory/3964-4893-0x0000000005CD0000-0x0000000005D3C000-memory.dmp

      Filesize

      432KB

    • memory/3964-4895-0x000000007460E000-0x000000007460F000-memory.dmp

      Filesize

      4KB

    • memory/3964-4896-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3964-4897-0x0000000006160000-0x00000000061B4000-memory.dmp

      Filesize

      336KB

    • memory/3964-4904-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4532-4901-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4532-4900-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/4532-4902-0x0000000005940000-0x00000000059A6000-memory.dmp

      Filesize

      408KB

    • memory/4532-4903-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4532-4905-0x0000000007000000-0x0000000007050000-memory.dmp

      Filesize

      320KB

    • memory/4532-4906-0x00000000070F0000-0x000000000718C000-memory.dmp

      Filesize

      624KB

    • memory/4532-4907-0x00000000071A0000-0x00000000071AA000-memory.dmp

      Filesize

      40KB

    • memory/4532-4908-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB