Analysis

  • max time kernel
    136s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-06-2024 07:24

General

  • Target

    new contract.exe

  • Size

    521KB

  • MD5

    a62161fb37a0da7fbfb3913ce4aecb2c

  • SHA1

    2d994e85cf444c5b784d55a52c676b9773b27758

  • SHA256

    f2101696ff6fb8e2171fe666df358500c675246fcbdf4620fe2961be8e5fb316

  • SHA512

    bc08e560c8cc81c3cce3e2f33d3991e87fc27e4e5473fdb149698cad34a9c7dfbb47e75fdce2e263a0385368090e8a99eeec61a9666f1058b91ba802c966da4c

  • SSDEEP

    12288:c5kndm17d93IfLZS9oOarFK+Wbi1vk6i:HngZ7IfLZSR3/bGs6i

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.valleycountysar.org
  • Port:
    465
  • Username:
    [email protected]
  • Password:
    DKw(r0%wpbd]
C2

https://api.telegram.org/bot6812788177:AAHJ7__ozL0XtBMeO1hcjgFB8ECV3bh5yjg/sendMessage?chat_id=5007084465

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\new contract.exe
    "C:\Users\Admin\AppData\Local\Temp\new contract.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Users\Admin\AppData\Local\Temp\new contract.exe
      "C:\Users\Admin\AppData\Local\Temp\new contract.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2532

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/1392-8-0x0000000004F00000-0x0000000004F08000-memory.dmp
    Filesize

    32KB

  • memory/1392-6-0x0000000004D80000-0x0000000004DD4000-memory.dmp
    Filesize

    336KB

  • memory/1392-2-0x00000000052C0000-0x0000000005864000-memory.dmp
    Filesize

    5.6MB

  • memory/1392-3-0x0000000004C30000-0x0000000004CC2000-memory.dmp
    Filesize

    584KB

  • memory/1392-0-0x0000000074E5E000-0x0000000074E5F000-memory.dmp
    Filesize

    4KB

  • memory/1392-5-0x0000000074E50000-0x0000000075600000-memory.dmp
    Filesize

    7.7MB

  • memory/1392-1-0x00000000001D0000-0x0000000000258000-memory.dmp
    Filesize

    544KB

  • memory/1392-7-0x0000000004FB0000-0x000000000504C000-memory.dmp
    Filesize

    624KB

  • memory/1392-4-0x0000000004CF0000-0x0000000004CFA000-memory.dmp
    Filesize

    40KB

  • memory/1392-13-0x0000000074E50000-0x0000000075600000-memory.dmp
    Filesize

    7.7MB

  • memory/2532-10-0x0000000074E50000-0x0000000075600000-memory.dmp
    Filesize

    7.7MB

  • memory/2532-11-0x0000000074E50000-0x0000000075600000-memory.dmp
    Filesize

    7.7MB

  • memory/2532-9-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/2532-14-0x0000000006CB0000-0x0000000006D00000-memory.dmp
    Filesize

    320KB

  • memory/2532-15-0x0000000006ED0000-0x0000000007092000-memory.dmp
    Filesize

    1.8MB

  • memory/2532-16-0x0000000074E50000-0x0000000075600000-memory.dmp
    Filesize

    7.7MB