Analysis

  • max time kernel
    126s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-04-2024 01:25

General

  • Target

    8fb359ccf3a3b6a0eff8204f9ee27c2dc41b3270721716192a7ef9253453b59b.exe

  • Size

    491KB

  • MD5

    10e2a14bbd30f30c2cb7260741a3d70f

  • SHA1

    aaf6c61c6f5e908e164de1b539096caf9fd9b4d2

  • SHA256

    8fb359ccf3a3b6a0eff8204f9ee27c2dc41b3270721716192a7ef9253453b59b

  • SHA512

    c5c6f9aaad1299239264b0a4ae2012f0ef477bca2f28d7c6900893e8f81141c5b5113979b50f25dd5637da332e4418bd96a3000a9307c0e4e9542ace2a512618

  • SSDEEP

    12288:r5UHYFLi26lnnhwrqslyuBRlGxR7LBGJi:KHYFLiPlhwGKyuLlGxtwY

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    EbxKZL@2

Extracted

Family

snakekeylogger

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 packed with SmartAssembly 2 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\8fb359ccf3a3b6a0eff8204f9ee27c2dc41b3270721716192a7ef9253453b59b.exe
    "C:\Users\Admin\AppData\Local\Temp\8fb359ccf3a3b6a0eff8204f9ee27c2dc41b3270721716192a7ef9253453b59b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1484
    • C:\Users\Admin\AppData\Local\Temp\8fb359ccf3a3b6a0eff8204f9ee27c2dc41b3270721716192a7ef9253453b59b.exe
      "C:\Users\Admin\AppData\Local\Temp\8fb359ccf3a3b6a0eff8204f9ee27c2dc41b3270721716192a7ef9253453b59b.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8fb359ccf3a3b6a0eff8204f9ee27c2dc41b3270721716192a7ef9253453b59b.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1484-13-0x0000000074AC0000-0x0000000075270000-memory.dmp

    Filesize

    7.7MB

  • memory/1484-1-0x0000000074AC0000-0x0000000075270000-memory.dmp

    Filesize

    7.7MB

  • memory/1484-2-0x00000000057E0000-0x0000000005D84000-memory.dmp

    Filesize

    5.6MB

  • memory/1484-3-0x0000000005310000-0x00000000053A2000-memory.dmp

    Filesize

    584KB

  • memory/1484-4-0x0000000005300000-0x0000000005310000-memory.dmp

    Filesize

    64KB

  • memory/1484-5-0x00000000052F0000-0x00000000052FA000-memory.dmp

    Filesize

    40KB

  • memory/1484-6-0x00000000057A0000-0x00000000057B0000-memory.dmp

    Filesize

    64KB

  • memory/1484-7-0x00000000057B0000-0x00000000057BC000-memory.dmp

    Filesize

    48KB

  • memory/1484-8-0x0000000006700000-0x0000000006768000-memory.dmp

    Filesize

    416KB

  • memory/1484-9-0x000000000A280000-0x000000000A31C000-memory.dmp

    Filesize

    624KB

  • memory/1484-0-0x0000000000870000-0x00000000008F2000-memory.dmp

    Filesize

    520KB

  • memory/4044-10-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/4044-14-0x0000000074AC0000-0x0000000075270000-memory.dmp

    Filesize

    7.7MB

  • memory/4044-15-0x0000000005590000-0x00000000055A0000-memory.dmp

    Filesize

    64KB

  • memory/4044-16-0x0000000074AC0000-0x0000000075270000-memory.dmp

    Filesize

    7.7MB

  • memory/4044-17-0x0000000005590000-0x00000000055A0000-memory.dmp

    Filesize

    64KB

  • memory/4044-18-0x0000000006790000-0x00000000067E0000-memory.dmp

    Filesize

    320KB

  • memory/4044-19-0x00000000069B0000-0x0000000006B72000-memory.dmp

    Filesize

    1.8MB

  • memory/4044-20-0x00000000070B0000-0x00000000075DC000-memory.dmp

    Filesize

    5.2MB