Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-06-2024 01:02

General

  • Target

    16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe

  • Size

    482KB

  • MD5

    9aaf0e13931abe17c27dd943b5835937

  • SHA1

    8db76fa143b6e967cc9fe9b9ed441291ca055009

  • SHA256

    16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469

  • SHA512

    05c9a9ba679f7155208c8928d45797c80c301eb46f3670c30759077ccd5edd6a82798bcb2eea325ab598197c4320277294af9ee51a01ac872755bcf206abdd23

  • SSDEEP

    6144:wXuAPKbX9sDEXfmgVvUKm0RfeFdDcyfXZXTraIyErhT41fG5QDGiu/byyvDuBRgC:wXuBqDEvmYfsDcyfpXpTh5qDGiEv6BC

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    valleycountysar.org
  • Port:
    26
  • Username:
    [email protected]
  • Password:
    fY,FLoadtsiF

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 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\16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe
    "C:\Users\Admin\AppData\Local\Temp\16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Users\Admin\AppData\Local\Temp\16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe
      "C:\Users\Admin\AppData\Local\Temp\16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3144

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1104-8-0x0000000005180000-0x0000000005188000-memory.dmp
    Filesize

    32KB

  • memory/1104-6-0x0000000005230000-0x00000000052CC000-memory.dmp
    Filesize

    624KB

  • memory/1104-2-0x0000000005590000-0x0000000005B34000-memory.dmp
    Filesize

    5.6MB

  • memory/1104-3-0x0000000004EC0000-0x0000000004F52000-memory.dmp
    Filesize

    584KB

  • memory/1104-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp
    Filesize

    4KB

  • memory/1104-5-0x00000000050F0000-0x0000000005144000-memory.dmp
    Filesize

    336KB

  • memory/1104-1-0x00000000005A0000-0x000000000061E000-memory.dmp
    Filesize

    504KB

  • memory/1104-7-0x0000000074A10000-0x00000000751C0000-memory.dmp
    Filesize

    7.7MB

  • memory/1104-4-0x00000000050E0000-0x00000000050EA000-memory.dmp
    Filesize

    40KB

  • memory/1104-13-0x0000000074A10000-0x00000000751C0000-memory.dmp
    Filesize

    7.7MB

  • memory/3144-10-0x0000000074A10000-0x00000000751C0000-memory.dmp
    Filesize

    7.7MB

  • memory/3144-11-0x0000000074A10000-0x00000000751C0000-memory.dmp
    Filesize

    7.7MB

  • memory/3144-9-0x00000000005A0000-0x00000000005C6000-memory.dmp
    Filesize

    152KB

  • memory/3144-14-0x0000000005F50000-0x0000000005FA0000-memory.dmp
    Filesize

    320KB

  • memory/3144-15-0x0000000006170000-0x0000000006332000-memory.dmp
    Filesize

    1.8MB

  • memory/3144-16-0x0000000074A10000-0x00000000751C0000-memory.dmp
    Filesize

    7.7MB