Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-05-2024 16:53

General

  • Target

    z26MB263350412AE.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
  • 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\z26MB263350412AE.exe
    "C:\Users\Admin\AppData\Local\Temp\z26MB263350412AE.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1164
    • 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:2128
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KYmWnLVcE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7791.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3144
    • C:\Users\Admin\AppData\Local\Temp\z26MB263350412AE.exe
      "C:\Users\Admin\AppData\Local\Temp\z26MB263350412AE.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\z26MB263350412AE.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b0dmfcfj.xmg.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp7791.tmp

    Filesize

    1KB

    MD5

    07365b7245d440b507fe0db7fb894544

    SHA1

    0a78296afa5114f71f79ed5f3c02cc973888157e

    SHA256

    7ee9c25b1f46c3ad7e9811311f19aca157976a553b35870614e42b2ccd45425c

    SHA512

    caa7a423d248e7744d1836cfb1d5dffcb4b236c49c8411e36fd1a7f1f9c1140ff46123d82fff89a7fac4d73b1073d581b08232c275795fda59957b22938772e4

  • memory/436-68-0x0000000007360000-0x000000000788C000-memory.dmp

    Filesize

    5.2MB

  • memory/436-24-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/436-37-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB

  • memory/436-65-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB

  • memory/436-66-0x0000000006A40000-0x0000000006A90000-memory.dmp

    Filesize

    320KB

  • memory/436-67-0x0000000006C60000-0x0000000006E22000-memory.dmp

    Filesize

    1.8MB

  • memory/1164-5-0x0000000005990000-0x0000000005A2C000-memory.dmp

    Filesize

    624KB

  • memory/1164-10-0x0000000007710000-0x000000000777C000-memory.dmp

    Filesize

    432KB

  • memory/1164-0-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

    Filesize

    4KB

  • memory/1164-9-0x00000000064D0000-0x00000000064E6000-memory.dmp

    Filesize

    88KB

  • memory/1164-8-0x00000000064C0000-0x00000000064CE000-memory.dmp

    Filesize

    56KB

  • memory/1164-7-0x0000000006490000-0x00000000064AC000-memory.dmp

    Filesize

    112KB

  • memory/1164-6-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB

  • memory/1164-4-0x00000000056E0000-0x00000000056EA000-memory.dmp

    Filesize

    40KB

  • memory/1164-3-0x0000000005730000-0x00000000057C2000-memory.dmp

    Filesize

    584KB

  • memory/1164-38-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB

  • memory/1164-2-0x0000000005CE0000-0x0000000006284000-memory.dmp

    Filesize

    5.6MB

  • memory/1164-1-0x0000000000C80000-0x0000000000D26000-memory.dmp

    Filesize

    664KB

  • memory/2128-15-0x0000000004500000-0x0000000004536000-memory.dmp

    Filesize

    216KB

  • memory/2128-56-0x0000000006E50000-0x0000000006E5A000-memory.dmp

    Filesize

    40KB

  • memory/2128-36-0x00000000054E0000-0x0000000005834000-memory.dmp

    Filesize

    3.3MB

  • memory/2128-23-0x0000000005370000-0x00000000053D6000-memory.dmp

    Filesize

    408KB

  • memory/2128-21-0x00000000049F0000-0x0000000004A12000-memory.dmp

    Filesize

    136KB

  • memory/2128-39-0x0000000005AB0000-0x0000000005ACE000-memory.dmp

    Filesize

    120KB

  • memory/2128-40-0x0000000005AF0000-0x0000000005B3C000-memory.dmp

    Filesize

    304KB

  • memory/2128-41-0x0000000006A90000-0x0000000006AC2000-memory.dmp

    Filesize

    200KB

  • memory/2128-42-0x00000000752F0000-0x000000007533C000-memory.dmp

    Filesize

    304KB

  • memory/2128-52-0x0000000006A50000-0x0000000006A6E000-memory.dmp

    Filesize

    120KB

  • memory/2128-53-0x0000000006AD0000-0x0000000006B73000-memory.dmp

    Filesize

    652KB

  • memory/2128-54-0x0000000007420000-0x0000000007A9A000-memory.dmp

    Filesize

    6.5MB

  • memory/2128-55-0x0000000006DE0000-0x0000000006DFA000-memory.dmp

    Filesize

    104KB

  • memory/2128-22-0x0000000004A90000-0x0000000004AF6000-memory.dmp

    Filesize

    408KB

  • memory/2128-57-0x0000000007060000-0x00000000070F6000-memory.dmp

    Filesize

    600KB

  • memory/2128-58-0x0000000006FE0000-0x0000000006FF1000-memory.dmp

    Filesize

    68KB

  • memory/2128-59-0x0000000007010000-0x000000000701E000-memory.dmp

    Filesize

    56KB

  • memory/2128-60-0x0000000007020000-0x0000000007034000-memory.dmp

    Filesize

    80KB

  • memory/2128-61-0x0000000007120000-0x000000000713A000-memory.dmp

    Filesize

    104KB

  • memory/2128-62-0x0000000007100000-0x0000000007108000-memory.dmp

    Filesize

    32KB

  • memory/2128-64-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB

  • memory/2128-18-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB

  • memory/2128-20-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB

  • memory/2128-17-0x0000000004BD0000-0x00000000051F8000-memory.dmp

    Filesize

    6.2MB

  • memory/2128-16-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB