Resubmissions

09/08/2024, 23:28

240809-3f1cwayeph10

14/07/2024, 08:09

240714-j15csaverc10

Analysis

  • max time kernel
    40s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    09/08/2024, 23:28

General

  • Target
    DHL Waybill & Shipping Document.exe
  • Size 2.8MB
  • Sample240809-3f1cwayeph
  • SHA256 fa4dd3214fe17f69079274a2dd01ed191a1b7c70c96bc36d274a5f6758deaffb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

C2
  • https://api.telegram.org/bot6040706883:AAGj7B9ONNWM5dxNf28Wuf8zMNReKmR75X0/sendMessage?chat_id=6081058038

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL Waybill & Shipping Document.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL Waybill & Shipping Document.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Network Configuration Discovery: Internet Connection Discovery
    • Suspicious use of WriteProcessMemory
    PID:1512
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2804
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1512 -s 620
      2⤵
        PID:2848

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1512-19-0x000007FEF59B3000-0x000007FEF59B4000-memory.dmp

          memory/1512-1-0x00000000001C0000-0x00000000001C8000-memory.dmp

          memory/1512-2-0x000000001AF70000-0x000000001AF78000-memory.dmp

          memory/1512-3-0x000007FEF59B0000-0x000007FEF639C000-memory.dmp

          memory/1512-4-0x000000001A480000-0x000000001A4FA000-memory.dmp

          memory/1512-20-0x000007FEF59B0000-0x000007FEF639C000-memory.dmp

          memory/1512-0-0x000007FEF59B3000-0x000007FEF59B4000-memory.dmp

          memory/2804-11-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/2804-16-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/2804-14-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/2804-9-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/2804-7-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/2804-5-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/2804-18-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/2804-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp