masslogger | 1db65284dd73545215b9db3834b16709bf5bf5c33a417c38a205d09317cd6d0d

General

Target

dlWs3KImcASZUXb.exe
Size

1.3MB
MD5

65510953a3e244a740560d58097b4516
SHA1

8acf08ecac72cfcef6591004fa8c8188628bd939
SHA256

1db65284dd73545215b9db3834b16709bf5bf5c33a417c38a205d09317cd6d0d
SHA512

b45dc5bd4b2822854d83df1daeeb14e17952bc3b7c2c4bd7c72a864dab9067121055a823aea52fb56f14f0bd5c85979fad9ff3170af87e23e41a8706f953660d

Score

10^/10

ransomware stealer spyware 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\dlWs3KImcASZUXb.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

Signatures

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1884	dlWs3KImcASZUXb.exe

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

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 behavior: EnumeratesProcesses 2 IoCs

pid	Process
1884	dlWs3KImcASZUXb.exe
1884	dlWs3KImcASZUXb.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1884	dlWs3KImcASZUXb.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
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 13 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 1864	1388	dlWs3KImcASZUXb.exe	26
PID 1388 wrote to memory of 1864	1388	dlWs3KImcASZUXb.exe	26
PID 1388 wrote to memory of 1864	1388	dlWs3KImcASZUXb.exe	26
PID 1388 wrote to memory of 1864	1388	dlWs3KImcASZUXb.exe	26
PID 1388 wrote to memory of 1884	1388	dlWs3KImcASZUXb.exe	28
PID 1388 wrote to memory of 1884	1388	dlWs3KImcASZUXb.exe	28
PID 1388 wrote to memory of 1884	1388	dlWs3KImcASZUXb.exe	28
PID 1388 wrote to memory of 1884	1388	dlWs3KImcASZUXb.exe	28
PID 1388 wrote to memory of 1884	1388	dlWs3KImcASZUXb.exe	28
PID 1388 wrote to memory of 1884	1388	dlWs3KImcASZUXb.exe	28
PID 1388 wrote to memory of 1884	1388	dlWs3KImcASZUXb.exe	28
PID 1388 wrote to memory of 1884	1388	dlWs3KImcASZUXb.exe	28
PID 1388 wrote to memory of 1884	1388	dlWs3KImcASZUXb.exe	28

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1388 set thread context of 1884	1388	dlWs3KImcASZUXb.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1884	dlWs3KImcASZUXb.exe

C:\Users\Admin\AppData\Local\Temp\dlWs3KImcASZUXb.exe
"C:\Users\Admin\AppData\Local\Temp\dlWs3KImcASZUXb.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:1388
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xWXaGdJkersk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA0B1.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1864
- C:\Users\Admin\AppData\Local\Temp\dlWs3KImcASZUXb.exe
  "{path}"
  2⤵
  - Suspicious use of SetWindowsHookEx
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of AdjustPrivilegeToken
  PID:1884

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/1884-4-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1884-6-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1884-7-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads