Analysis

  • max time kernel
    121s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 01:36

General

  • Target

    6d3b249ec17de0b830b6d21a2a5bc6b4b15c99cc78c05d34ca414e09dea1d9d6.exe

  • Size

    130KB

  • MD5

    908016eddd0dc90bb69c0ff9f8560d68

  • SHA1

    60e6f9e8bd5e71eea2bab0c636b91b0d800e17bc

  • SHA256

    6d3b249ec17de0b830b6d21a2a5bc6b4b15c99cc78c05d34ca414e09dea1d9d6

  • SHA512

    563bad3127fa5c8b372687ced8eb497677d6464612143ecf15d41c3eadb6be4d4b1b59210200ae8b7ff423c7ed41fff38e1677087c4683a976433c027be47af0

  • SSDEEP

    3072:NhBlNh2vWoAQomH/ehGkOFo5bljsX8wv8Lw4LVgbY:LNh2eoAxh5bO4L2b

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    maxsales@maxvaluen.com
  • Password:
    123456

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    maxsales@maxvaluen.com
  • Password:
    123456
  • Email To:
    maxinfo@maxvaluen.com
C2

https://scratchdreams.tk

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 3 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d3b249ec17de0b830b6d21a2a5bc6b4b15c99cc78c05d34ca414e09dea1d9d6.exe
    "C:\Users\Admin\AppData\Local\Temp\6d3b249ec17de0b830b6d21a2a5bc6b4b15c99cc78c05d34ca414e09dea1d9d6.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:2188

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

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar5587.tmp
    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • memory/2188-0-0x0000000000160000-0x0000000000186000-memory.dmp
    Filesize

    152KB

  • memory/2188-1-0x0000000074390000-0x0000000074A7E000-memory.dmp
    Filesize

    6.9MB

  • memory/2188-2-0x0000000004810000-0x0000000004850000-memory.dmp
    Filesize

    256KB

  • memory/2188-3-0x0000000074390000-0x0000000074A7E000-memory.dmp
    Filesize

    6.9MB

  • memory/2188-4-0x0000000004810000-0x0000000004850000-memory.dmp
    Filesize

    256KB