Analysis

  • max time kernel
    57s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    02-06-2023 13:19

General

  • Target

    bWQWIXJESszKKRC.exe

  • Size

    981KB

  • MD5

    705409107642f80b196405a37c6f50b2

  • SHA1

    4a23c4b0aa0448e73ce0284a54765bc1b1d38349

  • SHA256

    4e605ffc153bda7de371b0675f66303bdad4dc9ba88a2eef42f758aea5259bb4

  • SHA512

    7731465c0a71fa92881e7bc1fdc421fe209b1fcb39e13c2cdbf5834fb457055ad04e04d71860926047b63270a25ddc6155d4aab5c7700fdc386dc5fdc36b47c7

  • SSDEEP

    24576:9dxK1U9BqmycgiH75BURvAKMSOQLiWHBiytoFXgA:Qu9Bqmycr7URYKMlQ+WwrF

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sienkakupeste.com
  • Port:
    587
  • Username:
    info@sienkakupeste.com
  • Password:
    010203sienka++
  • Email To:
    saleseuropower2@yandex.com

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 7 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 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bWQWIXJESszKKRC.exe
    "C:\Users\Admin\AppData\Local\Temp\bWQWIXJESszKKRC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1064
    • C:\Users\Admin\AppData\Local\Temp\bWQWIXJESszKKRC.exe
      "C:\Users\Admin\AppData\Local\Temp\bWQWIXJESszKKRC.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:740

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/740-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/740-61-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/740-62-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/740-72-0x0000000004A80000-0x0000000004AC0000-memory.dmp
    Filesize

    256KB

  • memory/740-63-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/740-71-0x0000000004A80000-0x0000000004AC0000-memory.dmp
    Filesize

    256KB

  • memory/740-70-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/740-64-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/740-68-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/740-66-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1064-59-0x0000000004C30000-0x0000000004C92000-memory.dmp
    Filesize

    392KB

  • memory/1064-58-0x00000000005B0000-0x00000000005BC000-memory.dmp
    Filesize

    48KB

  • memory/1064-54-0x00000000011A0000-0x000000000129A000-memory.dmp
    Filesize

    1000KB

  • memory/1064-56-0x0000000000560000-0x0000000000574000-memory.dmp
    Filesize

    80KB

  • memory/1064-60-0x00000000010F0000-0x000000000111A000-memory.dmp
    Filesize

    168KB

  • memory/1064-55-0x0000000007410000-0x0000000007450000-memory.dmp
    Filesize

    256KB

  • memory/1064-57-0x0000000007410000-0x0000000007450000-memory.dmp
    Filesize

    256KB