masslogger | 4d304c854141d69a578a006c7982fe1b915f5424b017c46e25ec65301c66f395

General

Target

iYP8D2KbswH1e7i.exe
Size

1.3MB
MD5

71e0fd103027b5403824e1044e2d245e
SHA1

76dee539ecfff078ec10874f07a481b9dd38f8a9
SHA256

4d304c854141d69a578a006c7982fe1b915f5424b017c46e25ec65301c66f395
SHA512

e6a4907f3e9b5c0bf0f96a3fb1b00cf2ce08e22d0e373d093eb1c098c8a87763b8ae949e4dbbbd092a87ebd03be5aafdefe50d3807cabefa32c8fdf23ee64552

Score

10^/10

ransomware spyware stealer masslogger

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\C8A579F880\Log.txt

Family

masslogger

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: 7/17/2020 7:31:10 AM MassLogger Started: 7/17/2020 7:31:03 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\iYP8D2KbswH1e7i.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> Disabled <|| Downloader ||> 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

Signatures

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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1768	iYP8D2KbswH1e7i.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1768	iYP8D2KbswH1e7i.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1768	iYP8D2KbswH1e7i.exe

MassLogger log file 1 IoCs

Detects a log file produced by MassLogger.

yara_rule
masslogger_log_file

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
1868	schtasks.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 676 wrote to memory of 1868	676	iYP8D2KbswH1e7i.exe	26
PID 676 wrote to memory of 1868	676	iYP8D2KbswH1e7i.exe	26
PID 676 wrote to memory of 1868	676	iYP8D2KbswH1e7i.exe	26
PID 676 wrote to memory of 1868	676	iYP8D2KbswH1e7i.exe	26
PID 676 wrote to memory of 1768	676	iYP8D2KbswH1e7i.exe	28
PID 676 wrote to memory of 1768	676	iYP8D2KbswH1e7i.exe	28
PID 676 wrote to memory of 1768	676	iYP8D2KbswH1e7i.exe	28
PID 676 wrote to memory of 1768	676	iYP8D2KbswH1e7i.exe	28
PID 676 wrote to memory of 1768	676	iYP8D2KbswH1e7i.exe	28
PID 676 wrote to memory of 1768	676	iYP8D2KbswH1e7i.exe	28
PID 676 wrote to memory of 1768	676	iYP8D2KbswH1e7i.exe	28
PID 676 wrote to memory of 1768	676	iYP8D2KbswH1e7i.exe	28
PID 676 wrote to memory of 1768	676	iYP8D2KbswH1e7i.exe	28

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 676 set thread context of 1768	676	iYP8D2KbswH1e7i.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1768	iYP8D2KbswH1e7i.exe
1768	iYP8D2KbswH1e7i.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
5	api.ipify.org

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

C:\Users\Admin\AppData\Local\Temp\iYP8D2KbswH1e7i.exe
"C:\Users\Admin\AppData\Local\Temp\iYP8D2KbswH1e7i.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:676
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bSzsJnJolhp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEC9F.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1868
- C:\Users\Admin\AppData\Local\Temp\iYP8D2KbswH1e7i.exe
  "{path}"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  PID:1768

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1768-4-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/1768-6-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/1768-7-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads