masslogger | abb96fbc3e4b80337204e33d19134498c7eca75ba47390fe4df7939383515e6d

General

Target
uksWKvZWmEjyfQm.exe
Size 973KB
Sample200714-ba1prszlta
SHA256 abb96fbc3e4b80337204e33d19134498c7eca75ba47390fe4df7939383515e6d
MD5 0ba295c9b19580265e061e5febedf9f9
SHA1 15cef08eb4c1004611f795dcae47ac0db268a6a6
SHA512 4b5ba0019752cec28d48bf8bfcee6199dc0d10519e1433f465c4f9f87ab7bd9ceb7c478b12758200d10cf0ca068dd3718c73706150c4e2faebb2c3c926a66711
MD5 SHA1 SHA512

Score

10^/10

Path

Ransom Note

<|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.13 Location: United States Windows OS: Microsoft Windows 7 Professional 64bit Windows Serial Key: HYF8J-CVRMY-CM74G-RPHKF-PW487 CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 7/14/2020 3:43:06 PM MassLogger Started: 7/14/2020 3:42:58 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\uksWKvZWmEjyfQm.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> Disabled <|| USB Spread ||> Disabled <|| Window Searcher ||> Disabled <|| Bot Killer ||> Disabled <|| Search And Upload ||> Disabled <|| Telegram Desktop ||> Not Installed <|| Pidgin ||> Not Installed <|| FileZilla ||> Not Installed <|| Discord Tokken ||> Not Installed <|| NordVPN ||> Not Installed <|| Outlook ||> Not Installed <|| FoxMail ||> Not Installed <|| Thunderbird ||> Not Installed <|| FireFox ||> Not Found <|| QQ Browser ||> Not Installed <|| Chromium Recovery ||> Not Installed or Not Found <|| Keylogger And Clipboard ||> NA

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

Scheduled Task

pid	Process
1864	schtasks.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 1864	1388	uksWKvZWmEjyfQm.exe	26
PID 1388 wrote to memory of 1864	1388	uksWKvZWmEjyfQm.exe	26
PID 1388 wrote to memory of 1864	1388	uksWKvZWmEjyfQm.exe	26
PID 1388 wrote to memory of 1864	1388	uksWKvZWmEjyfQm.exe	26
PID 1388 wrote to memory of 1780	1388	uksWKvZWmEjyfQm.exe	28
PID 1388 wrote to memory of 1780	1388	uksWKvZWmEjyfQm.exe	28
PID 1388 wrote to memory of 1780	1388	uksWKvZWmEjyfQm.exe	28
PID 1388 wrote to memory of 1780	1388	uksWKvZWmEjyfQm.exe	28
PID 1388 wrote to memory of 1776	1388	uksWKvZWmEjyfQm.exe	29
PID 1388 wrote to memory of 1776	1388	uksWKvZWmEjyfQm.exe	29
PID 1388 wrote to memory of 1776	1388	uksWKvZWmEjyfQm.exe	29
PID 1388 wrote to memory of 1776	1388	uksWKvZWmEjyfQm.exe	29
PID 1388 wrote to memory of 1776	1388	uksWKvZWmEjyfQm.exe	29
PID 1388 wrote to memory of 1776	1388	uksWKvZWmEjyfQm.exe	29
PID 1388 wrote to memory of 1776	1388	uksWKvZWmEjyfQm.exe	29
PID 1388 wrote to memory of 1776	1388	uksWKvZWmEjyfQm.exe	29
PID 1388 wrote to memory of 1776	1388	uksWKvZWmEjyfQm.exe	29

Suspicious behavior: EnumeratesProcesses 3 IoCs

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1388 set thread context of 1776	1388	uksWKvZWmEjyfQm.exe	29

MassLogger log file 1 IoCs

Detects a log file produced by MassLogger.

yara_rule
masslogger_log_file

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1388	uksWKvZWmEjyfQm.exe
Token: SeDebugPrivilege	1776	uksWKvZWmEjyfQm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1776	uksWKvZWmEjyfQm.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1776	uksWKvZWmEjyfQm.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org

C:\Users\Admin\AppData\Local\Temp\uksWKvZWmEjyfQm.exe
"C:\Users\Admin\AppData\Local\Temp\uksWKvZWmEjyfQm.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
PID:1388
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nOSYWScsWoL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8822.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1864
- C:\Users\Admin\AppData\Local\Temp\uksWKvZWmEjyfQm.exe
  "{path}"
  2⤵
  PID:1780
- C:\Users\Admin\AppData\Local\Temp\uksWKvZWmEjyfQm.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious behavior: AddClipboardFormatListener
  PID:1776