masslogger | 7c82a3755f9bcd09b6758293c47293007a698be0c669b7cd1bdca08ab2395f33

Analysis

max time kernel
138s
max time network
128s
platform
windows7_x64
resource
win7-20220414-en
submitted
24-05-2022 17:13

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General

Target

PI102948.exe
Size

1010KB
MD5

416247a0ac44f2e1d530ea6be99c8846
SHA1

da61c8696e3084f328ea1b3ce44865dbc59e2f5f
SHA256

9c33a1f6a337e39a99c4480f19e63fbaeee191defcd51c8a908e9af9da8e115c
SHA512

68512855fdc2e1a5dda7ecd82ef8200109492fe87b3fb33571c1c6f5bd8cecf4bd41f33a75ea8662b282c77078fc49c8002f94d69434538859ada583e247cbd8

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\8506BBE7FF\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 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/24/2022 8:14:59 PM MassLogger Started: 5/24/2022 8:14:41 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PI102948.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

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

MassLogger log file 1 IoCs

Detects a log file produced by MassLogger.

yara_rule
masslogger_log_file

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Control Panel\International\Geo\Nation	PI102948.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PI102948.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PI102948.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PI102948.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	PI102948.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	PI102948.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PI102948.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	PI102948.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	PI102948.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	PI102948.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PI102948.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PI102948.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	PI102948.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	PI102948.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	PI102948.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
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1868 set thread context of 1604	1868	PI102948.exe	28

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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
952	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1604	PI102948.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1604	PI102948.exe
1604	PI102948.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1604	PI102948.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1604	PI102948.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 952	1868	PI102948.exe	26
PID 1868 wrote to memory of 952	1868	PI102948.exe	26
PID 1868 wrote to memory of 952	1868	PI102948.exe	26
PID 1868 wrote to memory of 952	1868	PI102948.exe	26
PID 1868 wrote to memory of 1604	1868	PI102948.exe	28
PID 1868 wrote to memory of 1604	1868	PI102948.exe	28
PID 1868 wrote to memory of 1604	1868	PI102948.exe	28
PID 1868 wrote to memory of 1604	1868	PI102948.exe	28
PID 1868 wrote to memory of 1604	1868	PI102948.exe	28
PID 1868 wrote to memory of 1604	1868	PI102948.exe	28
PID 1868 wrote to memory of 1604	1868	PI102948.exe	28
PID 1868 wrote to memory of 1604	1868	PI102948.exe	28
PID 1868 wrote to memory of 1604	1868	PI102948.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PI102948.exe

C:\Users\Admin\AppData\Local\Temp\PI102948.exe
"C:\Users\Admin\AppData\Local\Temp\PI102948.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aGzzdHn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD25D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:952
- C:\Users\Admin\AppData\Local\Temp\PI102948.exe
  "{path}"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1604

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD25D.tmp

Filesize
1KB

MD5
9fd58a2377a2311fb22f8bf42764ee0e

SHA1
0946fc68d58f3335def39c321c0d3bc1da00ee11

SHA256
9d8d894d53e40b01d0b1bc22ae65142af017232093d82203bb86ad74496cef58

SHA512
5929624ed65af954e1c255ad6225f8569ad637f621b9f3ea89069ae6b29a89cbacc2095fc7207e2b0011a0a0d5562009f063b03e9be2e9274838d7fad638bd30

Download Submit
memory/1604-63-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/1604-73-0x00000000007F0000-0x0000000000804000-memory.dmp

Filesize
80KB

Download
memory/1604-59-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/1604-60-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/1604-62-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/1604-72-0x0000000004F05000-0x0000000004F16000-memory.dmp

Filesize
68KB

Download
memory/1604-71-0x00000000759E1000-0x00000000759E3000-memory.dmp

Filesize
8KB

Download
memory/1604-64-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/1604-67-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/1604-69-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/1604-70-0x00000000003B0000-0x00000000003F4000-memory.dmp

Filesize
272KB

Download
memory/1868-56-0x0000000004D40000-0x0000000004DE0000-memory.dmp

Filesize
640KB

Download
memory/1868-54-0x0000000000F00000-0x0000000001002000-memory.dmp

Filesize
1.0MB

Download
memory/1868-55-0x0000000000280000-0x000000000028A000-memory.dmp

Filesize
40KB

Download