masslogger | 24a6ec83c1a75f4bfefa0e5df247fbc354cea37c917da05a38e2687b7b26c464

General

Target

QUO29393.exe
Size

1.1MB
MD5

60a03e78b2781f94f1033859b6b9f2fd
SHA1

033643dab0f443d8b50b4218d8bbe956e03af6ff
SHA256

24a6ec83c1a75f4bfefa0e5df247fbc354cea37c917da05a38e2687b7b26c464
SHA512

17c0ab71f9a260e76564d17d8a88ac0ade820c9cdabac9f8fe4f1e24332ab7b407a107ca8e2c563e667d99a51d488c8cb830b197c76c29d52ab25d426411aef4

Score

10^/10

ransomware stealer spyware masslogger

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\42EF15E83D\Log.txt

Family

masslogger

Ransom Note

<|| v2.4.0.0 ||> 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: 7/31/2020 12:20:05 PM MassLogger Started: 7/31/2020 12:19:58 PM Interval: 2 hour MassLogger Process: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> Disabled <|| Bot Killer ||> Disabled <|| Window Searcher ||> 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 ||> Disabled

Signatures

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

QUO29393.exeRegSvcs.exe

pid process

1304 QUO29393.exe
1304 QUO29393.exe
1304 QUO29393.exe
1304 QUO29393.exe
1772 RegSvcs.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

QUO29393.exe

description pid process target process

PID 1304 set thread context of 1772 1304 QUO29393.exe RegSvcs.exe
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

Processes:

schtasks.exe

pid process

1736 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 AdjustPrivilegeToken 2 IoCs

Processes:

QUO29393.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1304 QUO29393.exe
Token: SeDebugPrivilege 1772 RegSvcs.exe

pid	process
1304	QUO29393.exe
1304	QUO29393.exe
1304	QUO29393.exe
1304	QUO29393.exe
1772	RegSvcs.exe

description	pid	process	target process
PID 1304 set thread context of 1772	1304	QUO29393.exe	RegSvcs.exe

pid	process
1736	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	1304	QUO29393.exe
Token: SeDebugPrivilege	1772	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

QUO29393.exe

description	pid	process	target process
PID 1304 wrote to memory of 1736	1304	QUO29393.exe	schtasks.exe
PID 1304 wrote to memory of 1736	1304	QUO29393.exe	schtasks.exe
PID 1304 wrote to memory of 1736	1304	QUO29393.exe	schtasks.exe
PID 1304 wrote to memory of 1736	1304	QUO29393.exe	schtasks.exe
PID 1304 wrote to memory of 1772	1304	QUO29393.exe	RegSvcs.exe
PID 1304 wrote to memory of 1772	1304	QUO29393.exe	RegSvcs.exe
PID 1304 wrote to memory of 1772	1304	QUO29393.exe	RegSvcs.exe
PID 1304 wrote to memory of 1772	1304	QUO29393.exe	RegSvcs.exe
PID 1304 wrote to memory of 1772	1304	QUO29393.exe	RegSvcs.exe
PID 1304 wrote to memory of 1772	1304	QUO29393.exe	RegSvcs.exe
PID 1304 wrote to memory of 1772	1304	QUO29393.exe	RegSvcs.exe
PID 1304 wrote to memory of 1772	1304	QUO29393.exe	RegSvcs.exe
PID 1304 wrote to memory of 1772	1304	QUO29393.exe	RegSvcs.exe
PID 1304 wrote to memory of 1772	1304	QUO29393.exe	RegSvcs.exe
PID 1304 wrote to memory of 1772	1304	QUO29393.exe	RegSvcs.exe
PID 1304 wrote to memory of 1772	1304	QUO29393.exe	RegSvcs.exe

MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.

Processes:

yara_rule

masslogger_log_file
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

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

yara_rule
masslogger_log_file

flow	ioc
5	api.ipify.org

C:\Users\Admin\AppData\Local\Temp\QUO29393.exe
"C:\Users\Admin\AppData\Local\Temp\QUO29393.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1304

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4FC4.tmp"
2⤵
- Creates scheduled task(s)
PID:1736

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1772

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4FC4.tmp

Download Submit
memory/1304-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1736-2-0x0000000000000000-mapping.dmp

Download
memory/1772-4-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1772-5-0x00000000004B2F9E-mapping.dmp

Download
memory/1772-6-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1772-7-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads