masslogger | 175dc1ef3ca07f65986afd11a9ee79ba66d92e8bb2ab11ae0fc2a8a06f630f78

General

Target
The Candidates List.exe
Size 951KB
Sample200721-3hea61a3fs
SHA256 175dc1ef3ca07f65986afd11a9ee79ba66d92e8bb2ab11ae0fc2a8a06f630f78
MD5 a90e0776e6dd98ef7d2317fdc9f8c15d
SHA1 735e40fbfbf539209ab28ee50d1fd9871c12084e
SHA512 631308231536a65a33b596b316a1d6c79e06886ba8f69e0b6dbe36c0cf0f17567e51590df460eff4cb068e83604a1f16b22264fb0ec87a251acd7566640347a9
MD5 SHA1 SHA512

Score

10^/10

ransomware spyware stealer masslogger

Malware Config

Extracted

Path

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

masslogger

Ransom Note

<|| v2.2.0.0 ||> 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: 7/21/2020 9:42:22 AM MassLogger Started: 7/21/2020 9:42:14 AM Interval: 4 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 <|| 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 ||> Disabled

Extracted

Credentials

Protocol
ftp
Host
hraspirations.com
Port
21
Username
[email protected]
Password
computer@147

Extracted

Credentials

Protocol
smtp
Host
smtp.gmail.com
Port
587
Username
[email protected]

Signatures

MassLogger log file 1 IoCs

Detects a log file produced by MassLogger.

yara_rule
masslogger_log_file

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

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

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1092 wrote to memory of 1796	1092	The Candidates List.exe	26
PID 1092 wrote to memory of 1796	1092	The Candidates List.exe	26
PID 1092 wrote to memory of 1796	1092	The Candidates List.exe	26
PID 1092 wrote to memory of 1796	1092	The Candidates List.exe	26
PID 1092 wrote to memory of 1796	1092	The Candidates List.exe	26
PID 1092 wrote to memory of 1796	1092	The Candidates List.exe	26
PID 1092 wrote to memory of 1796	1092	The Candidates List.exe	26
PID 1092 wrote to memory of 1796	1092	The Candidates List.exe	26
PID 1092 wrote to memory of 1796	1092	The Candidates List.exe	26
PID 1092 wrote to memory of 1796	1092	The Candidates List.exe	26
PID 1092 wrote to memory of 1796	1092	The Candidates List.exe	26
PID 1092 wrote to memory of 1796	1092	The Candidates List.exe	26

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1092 set thread context of 1796	1092	The Candidates List.exe	26

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1796	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1796	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\The Candidates List.exe
"C:\Users\Admin\AppData\Local\Temp\The Candidates List.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:1092
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious behavior: EnumeratesProcesses
  PID:1796

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1796-2-0x0000000000400000-0x00000000004C4000-memory.dmp

Download

memory/1796-4-0x0000000000400000-0x00000000004C4000-memory.dmp

Download

memory/1796-5-0x0000000000400000-0x00000000004C4000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads