Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-04-2024 10:55

General

  • Target

    Purchase Order.exe

  • Size

    533KB

  • MD5

    7eb1409fed2a2b740122f997a76f7a94

  • SHA1

    8cc9e2d414bc1c8964b965989fb6648857ae9892

  • SHA256

    ff2ae4fd71daa1a98edd5f88b743a5daa5fb29f70b87dee08fec25313a3640f1

  • SHA512

    e1df8be427c813ded706628025f38454520a24990b8be54893132b9a44f6874cef1b54f51fa3dd4f56c9622df73ab71fc14ded126c262eea3f3d515039c238a0

  • SSDEEP

    12288:/WUHaP7P5nea9GotNgJ9/KYEQDSAj/aK5zYFQCmO5lT05G:/lHgj5nbGotNCVDSAWKcQCxQ

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
  • 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\Purchase Order.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4504
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/3796-16-0x0000000074720000-0x0000000074ED0000-memory.dmp

    Filesize

    7.7MB

  • memory/3796-15-0x0000000004DA0000-0x0000000004DB0000-memory.dmp

    Filesize

    64KB

  • memory/3796-10-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3796-19-0x0000000006610000-0x00000000067D2000-memory.dmp

    Filesize

    1.8MB

  • memory/3796-18-0x00000000063F0000-0x0000000006440000-memory.dmp

    Filesize

    320KB

  • memory/3796-17-0x0000000004DA0000-0x0000000004DB0000-memory.dmp

    Filesize

    64KB

  • memory/3796-13-0x0000000074720000-0x0000000074ED0000-memory.dmp

    Filesize

    7.7MB

  • memory/3796-20-0x0000000006D10000-0x000000000723C000-memory.dmp

    Filesize

    5.2MB

  • memory/4504-3-0x0000000005540000-0x00000000055D2000-memory.dmp

    Filesize

    584KB

  • memory/4504-8-0x0000000006930000-0x0000000006998000-memory.dmp

    Filesize

    416KB

  • memory/4504-7-0x00000000066A0000-0x00000000066AC000-memory.dmp

    Filesize

    48KB

  • memory/4504-1-0x0000000074720000-0x0000000074ED0000-memory.dmp

    Filesize

    7.7MB

  • memory/4504-14-0x0000000074720000-0x0000000074ED0000-memory.dmp

    Filesize

    7.7MB

  • memory/4504-2-0x0000000005AF0000-0x0000000006094000-memory.dmp

    Filesize

    5.6MB

  • memory/4504-0-0x0000000000A60000-0x0000000000AEC000-memory.dmp

    Filesize

    560KB

  • memory/4504-6-0x00000000057C0000-0x00000000057D0000-memory.dmp

    Filesize

    64KB

  • memory/4504-5-0x00000000054D0000-0x00000000054DA000-memory.dmp

    Filesize

    40KB

  • memory/4504-4-0x0000000005700000-0x0000000005710000-memory.dmp

    Filesize

    64KB

  • memory/4504-9-0x00000000090C0000-0x000000000915C000-memory.dmp

    Filesize

    624KB