masslogger | 632488a95f110337903d21112c4982bac033aa4328c4df85b6abac260e34bc8a

General

Target
i3F5XtBeAx9Bj4C.exe
Size 741KB
Sample200717-bzzefml6lj
SHA256 632488a95f110337903d21112c4982bac033aa4328c4df85b6abac260e34bc8a
MD5 33f8549620888f6777362e458ee8dbef
SHA1 a5a27214796aa35d7d789b2a6ea52c538ba5b574
SHA512 7b3df0e65da1214e20115d58117a3fc1944743f2f02317088fb162fd611da87bd37d1d65ebbbb242dc103c841740ad0d89945528ccd46afd421ee0256fdc4a72
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: 7/17/2020 7:31:10 AM MassLogger Started: 7/17/2020 7:31:04 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\i3F5XtBeAx9Bj4C.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

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

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 1748	1492	i3F5XtBeAx9Bj4C.exe	26
PID 1492 wrote to memory of 1748	1492	i3F5XtBeAx9Bj4C.exe	26
PID 1492 wrote to memory of 1748	1492	i3F5XtBeAx9Bj4C.exe	26
PID 1492 wrote to memory of 1748	1492	i3F5XtBeAx9Bj4C.exe	26
PID 1492 wrote to memory of 524	1492	i3F5XtBeAx9Bj4C.exe	28
PID 1492 wrote to memory of 524	1492	i3F5XtBeAx9Bj4C.exe	28
PID 1492 wrote to memory of 524	1492	i3F5XtBeAx9Bj4C.exe	28
PID 1492 wrote to memory of 524	1492	i3F5XtBeAx9Bj4C.exe	28
PID 1492 wrote to memory of 268	1492	i3F5XtBeAx9Bj4C.exe	29
PID 1492 wrote to memory of 268	1492	i3F5XtBeAx9Bj4C.exe	29
PID 1492 wrote to memory of 268	1492	i3F5XtBeAx9Bj4C.exe	29
PID 1492 wrote to memory of 268	1492	i3F5XtBeAx9Bj4C.exe	29
PID 1492 wrote to memory of 756	1492	i3F5XtBeAx9Bj4C.exe	30
PID 1492 wrote to memory of 756	1492	i3F5XtBeAx9Bj4C.exe	30
PID 1492 wrote to memory of 756	1492	i3F5XtBeAx9Bj4C.exe	30
PID 1492 wrote to memory of 756	1492	i3F5XtBeAx9Bj4C.exe	30
PID 1492 wrote to memory of 756	1492	i3F5XtBeAx9Bj4C.exe	30
PID 1492 wrote to memory of 756	1492	i3F5XtBeAx9Bj4C.exe	30
PID 1492 wrote to memory of 756	1492	i3F5XtBeAx9Bj4C.exe	30
PID 1492 wrote to memory of 756	1492	i3F5XtBeAx9Bj4C.exe	30
PID 1492 wrote to memory of 756	1492	i3F5XtBeAx9Bj4C.exe	30

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1492	i3F5XtBeAx9Bj4C.exe
Token: SeDebugPrivilege	756	i3F5XtBeAx9Bj4C.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1492 set thread context of 756	1492	i3F5XtBeAx9Bj4C.exe	30

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

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
1748	schtasks.exe

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
756	i3F5XtBeAx9Bj4C.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
756	i3F5XtBeAx9Bj4C.exe

MassLogger log file 1 IoCs

Detects a log file produced by MassLogger.

yara_rule
masslogger_log_file

C:\Users\Admin\AppData\Local\Temp\i3F5XtBeAx9Bj4C.exe
"C:\Users\Admin\AppData\Local\Temp\i3F5XtBeAx9Bj4C.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
PID:1492
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fZkArlB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1748
- C:\Users\Admin\AppData\Local\Temp\i3F5XtBeAx9Bj4C.exe
  "{path}"
  2⤵
  PID:524
- C:\Users\Admin\AppData\Local\Temp\i3F5XtBeAx9Bj4C.exe
  "{path}"
  2⤵
  PID:268
- C:\Users\Admin\AppData\Local\Temp\i3F5XtBeAx9Bj4C.exe
  "{path}"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious behavior: AddClipboardFormatListener
  PID:756