Analysis

  • max time kernel
    144s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/05/2024, 01:50

General

  • Target
    8b9dedaa09d239667dd9cabe0c7efab61712868b32ebb3a50110df8980823ce9.exe
  • Size 868KB
  • Sample240503-b9dmesec35
  • SHA256 8b9dedaa09d239667dd9cabe0c7efab61712868b32ebb3a50110df8980823ce9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

Credentials
C2
  • https://scratchdreams.tk

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables with potential process hoocking 1 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b9dedaa09d239667dd9cabe0c7efab61712868b32ebb3a50110df8980823ce9.exe
    "C:\Users\Admin\AppData\Local\Temp\8b9dedaa09d239667dd9cabe0c7efab61712868b32ebb3a50110df8980823ce9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Users\Admin\AppData\Local\Temp\8b9dedaa09d239667dd9cabe0c7efab61712868b32ebb3a50110df8980823ce9.exe
      "C:\Users\Admin\AppData\Local\Temp\8b9dedaa09d239667dd9cabe0c7efab61712868b32ebb3a50110df8980823ce9.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2936
  • 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 --no-appcompat-clear --mojo-platform-channel-handle=4072 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3700

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          8b9dedaa09d239667dd9cabe0c7efab61712868b32ebb3a50110df8980823ce9.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8b9dedaa09d239667dd9cabe0c7efab61712868b32ebb3a50110df8980823ce9.exe.log
          • Size 1KB
          • SHA256 8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4
          • MD5 SHA1 SHA512

          memory/1800-5-0x0000000074F30000-0x00000000756E0000-memory.dmp

          memory/1800-12-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

          memory/1800-3-0x0000000005850000-0x00000000058E2000-memory.dmp

          memory/1800-4-0x0000000006310000-0x0000000006664000-memory.dmp

          memory/1800-0-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

          memory/1800-6-0x0000000005AE0000-0x0000000005AEA000-memory.dmp

          memory/1800-7-0x0000000005BD0000-0x0000000005BE8000-memory.dmp

          memory/1800-9-0x0000000005D30000-0x0000000005D46000-memory.dmp

          memory/1800-8-0x0000000005D20000-0x0000000005D2E000-memory.dmp

          memory/1800-10-0x0000000007370000-0x00000000073D8000-memory.dmp

          memory/1800-2-0x0000000005D60000-0x0000000006304000-memory.dmp

          memory/1800-13-0x0000000074F30000-0x00000000756E0000-memory.dmp

          memory/1800-11-0x00000000087F0000-0x000000000888C000-memory.dmp

          memory/1800-18-0x0000000074F30000-0x00000000756E0000-memory.dmp

          memory/1800-1-0x0000000000D70000-0x0000000000E4E000-memory.dmp

          memory/2936-17-0x0000000074F30000-0x00000000756E0000-memory.dmp

          memory/2936-14-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/2936-19-0x0000000074F30000-0x00000000756E0000-memory.dmp

          memory/2936-20-0x0000000074F30000-0x00000000756E0000-memory.dmp

          memory/2936-21-0x0000000006380000-0x00000000063D0000-memory.dmp

          memory/2936-22-0x00000000065A0000-0x0000000006762000-memory.dmp