Analysis

  • max time kernel
    140s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 01:28

General

  • Target

    4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe

  • Size

    637KB

  • MD5

    318831581b1622295c9367f25a18792d

  • SHA1

    2fdec7f6b9c9a3b1d93796135d20fb7918e0cdce

  • SHA256

    4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7

  • SHA512

    17573d9e3f054b2711bd0ac0c9bb9b3f4fed18da8ae19a58e396297eddc71fae4537f7f78375ca3cd7fbfdfa2aa4dbd775c9c396af4b255834b0f9bcd9a71854

  • SSDEEP

    12288:vhD2iNT/SHtBYYx9T4gR+r9TCQJbSKnM9YZEiG2rDR4HzJiKC:vd1cHtBYbgR+5TCQJmKtEx2rDR4HA

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.speedhouseoman.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SpH@0084

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.speedhouseoman.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SpH@0084
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 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables with potential process hoocking 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe
    "C:\Users\Admin\AppData\Local\Temp\4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KYmWnLVcE.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1772
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KYmWnLVcE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7465.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2192
    • C:\Users\Admin\AppData\Local\Temp\4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe
      "C:\Users\Admin\AppData\Local\Temp\4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3172

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3te03d3d.lb5.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp7465.tmp

    Filesize

    1KB

    MD5

    adac99608181becaf64b644bd402a121

    SHA1

    b99a48ac5f3306eb796b2092a2c330fbe27abef1

    SHA256

    983c63d9fc1843a2e1340b48c428be183510471ea68c9edda52fb8a3d0eb6e9b

    SHA512

    a71322368148423592ecc094ad7bc7d58c410d8aaa113ba2221dba94f98efbbe0af904355727c0407a0d5267f54cdb4f9f28f9a584e79fb37743f9d21213be1c

  • memory/1772-28-0x00000000055B0000-0x0000000005616000-memory.dmp

    Filesize

    408KB

  • memory/1772-55-0x0000000007DD0000-0x000000000844A000-memory.dmp

    Filesize

    6.5MB

  • memory/1772-66-0x0000000074530000-0x0000000074CE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1772-34-0x0000000005EC0000-0x0000000006214000-memory.dmp

    Filesize

    3.3MB

  • memory/1772-62-0x0000000007AD0000-0x0000000007AEA000-memory.dmp

    Filesize

    104KB

  • memory/1772-63-0x0000000007AB0000-0x0000000007AB8000-memory.dmp

    Filesize

    32KB

  • memory/1772-60-0x00000000079C0000-0x00000000079CE000-memory.dmp

    Filesize

    56KB

  • memory/1772-61-0x00000000079D0000-0x00000000079E4000-memory.dmp

    Filesize

    80KB

  • memory/1772-15-0x0000000002B50000-0x0000000002B86000-memory.dmp

    Filesize

    216KB

  • memory/1772-59-0x0000000007990000-0x00000000079A1000-memory.dmp

    Filesize

    68KB

  • memory/1772-26-0x00000000054A0000-0x00000000054C2000-memory.dmp

    Filesize

    136KB

  • memory/1772-18-0x0000000074530000-0x0000000074CE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1772-58-0x0000000007A10000-0x0000000007AA6000-memory.dmp

    Filesize

    600KB

  • memory/1772-57-0x0000000007800000-0x000000000780A000-memory.dmp

    Filesize

    40KB

  • memory/1772-24-0x0000000074530000-0x0000000074CE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1772-56-0x0000000007790000-0x00000000077AA000-memory.dmp

    Filesize

    104KB

  • memory/1772-54-0x0000000007660000-0x0000000007703000-memory.dmp

    Filesize

    652KB

  • memory/1772-53-0x00000000073D0000-0x00000000073EE000-memory.dmp

    Filesize

    120KB

  • memory/1772-27-0x0000000005540000-0x00000000055A6000-memory.dmp

    Filesize

    408KB

  • memory/1772-43-0x000000006FFE0000-0x000000007002C000-memory.dmp

    Filesize

    304KB

  • memory/1772-17-0x0000000005680000-0x0000000005CA8000-memory.dmp

    Filesize

    6.2MB

  • memory/1772-42-0x0000000007410000-0x0000000007442000-memory.dmp

    Filesize

    200KB

  • memory/1772-22-0x0000000074530000-0x0000000074CE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1772-41-0x0000000006540000-0x000000000658C000-memory.dmp

    Filesize

    304KB

  • memory/1772-40-0x0000000006470000-0x000000000648E000-memory.dmp

    Filesize

    120KB

  • memory/2508-8-0x00000000071E0000-0x00000000071EE000-memory.dmp

    Filesize

    56KB

  • memory/2508-7-0x0000000007870000-0x000000000788C000-memory.dmp

    Filesize

    112KB

  • memory/2508-5-0x0000000074530000-0x0000000074CE0000-memory.dmp

    Filesize

    7.7MB

  • memory/2508-4-0x0000000005AE0000-0x0000000005AEA000-memory.dmp

    Filesize

    40KB

  • memory/2508-2-0x0000000005FE0000-0x0000000006584000-memory.dmp

    Filesize

    5.6MB

  • memory/2508-6-0x0000000005D30000-0x0000000005DCC000-memory.dmp

    Filesize

    624KB

  • memory/2508-3-0x0000000005A30000-0x0000000005AC2000-memory.dmp

    Filesize

    584KB

  • memory/2508-1-0x0000000000F90000-0x0000000001036000-memory.dmp

    Filesize

    664KB

  • memory/2508-0-0x000000007453E000-0x000000007453F000-memory.dmp

    Filesize

    4KB

  • memory/2508-23-0x0000000074530000-0x0000000074CE0000-memory.dmp

    Filesize

    7.7MB

  • memory/2508-9-0x0000000007310000-0x0000000007326000-memory.dmp

    Filesize

    88KB

  • memory/2508-10-0x0000000007A10000-0x0000000007A7C000-memory.dmp

    Filesize

    432KB

  • memory/3172-70-0x0000000006C70000-0x000000000719C000-memory.dmp

    Filesize

    5.2MB

  • memory/3172-25-0x0000000074530000-0x0000000074CE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3172-19-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3172-67-0x0000000074530000-0x0000000074CE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3172-35-0x0000000074530000-0x0000000074CE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3172-69-0x0000000006570000-0x0000000006732000-memory.dmp

    Filesize

    1.8MB

  • memory/3172-68-0x0000000006350000-0x00000000063A0000-memory.dmp

    Filesize

    320KB