Analysis

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

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    11-05-2024 01:26

General

  • Target

    001_080524_321342344doc.exe

  • Size

    1.0MB

  • MD5

    298d56332bad7ea2a42d1f65ebef7b87

  • SHA1

    db91bd82093d6b633924e4ab5b290cbcfd104a5f

  • SHA256

    6f2e4432f83d7dbb8358c4e2ac049d041585cb3bb1eb4e9bfeb5a838e172b557

  • SHA512

    43ea0ed64df6985e7c01b94db4941c5e91ebcae0ebeb8d166a6555f9622b0696fcdac42b502c0b35627bdb92a3083c1cae74e42fd33c4a34a845ec2b991b7576

  • SSDEEP

    12288:EZXSp356kiviaa5Tqt4Bag4EtlWPmhUYenF80s3J30HJl3Dpd/qBb9NL9cte9ct8:EZCD6cUt4F4ETWP5hFE3Al3gbrG

Malware Config

Extracted

Family

snakekeylogger

Credentials
C2

https://scratchdreams.tk

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables packed with SmartAssembly 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables with potential process hoocking 5 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 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe
    "C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe
      "C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2244-0-0x0000000073EBE000-0x0000000073EBF000-memory.dmp

    Filesize

    4KB

  • memory/2244-1-0x00000000012F0000-0x00000000013F8000-memory.dmp

    Filesize

    1.0MB

  • memory/2244-2-0x0000000073EB0000-0x000000007459E000-memory.dmp

    Filesize

    6.9MB

  • memory/2244-3-0x0000000000520000-0x000000000053E000-memory.dmp

    Filesize

    120KB

  • memory/2244-4-0x0000000000560000-0x0000000000570000-memory.dmp

    Filesize

    64KB

  • memory/2244-5-0x00000000005B0000-0x00000000005C6000-memory.dmp

    Filesize

    88KB

  • memory/2244-6-0x00000000053E0000-0x0000000005448000-memory.dmp

    Filesize

    416KB

  • memory/2244-22-0x0000000073EB0000-0x000000007459E000-memory.dmp

    Filesize

    6.9MB

  • memory/3004-21-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3004-19-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3004-17-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3004-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3004-11-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3004-13-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3004-9-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3004-8-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3004-24-0x0000000073EB0000-0x000000007459E000-memory.dmp

    Filesize

    6.9MB

  • memory/3004-23-0x0000000073EB0000-0x000000007459E000-memory.dmp

    Filesize

    6.9MB

  • memory/3004-25-0x0000000073EB0000-0x000000007459E000-memory.dmp

    Filesize

    6.9MB