masslogger | 2b28effca2feb3231324016122924a7873e11d4b0bc3a45467c645d2a73b0d48

Analysis

max time kernel
152s
max time network
152s
platform
windows7_x64
resource
win7-20220414-en
submitted
21-05-2022 11:20

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General

Target

order 2020.pdf.exe
Size

859KB
MD5

fb20c05f12476e883d941268d6ff7ff8
SHA1

0c32494e1b87f373392ae969b756947337771d0c
SHA256

ce41031b56cdb4cf97a4c9e24b14ffd16672719457b5a394daa7a4ccb91591bf
SHA512

640dfae0b0b20c785c556b5522ca66c6efd55c2f54d5d5d552ef1d85d15e38c0fabeca2796d34f1c8778ae456778a1802932bdc4c1ac7fca38147d028d69cd92

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note

<|| v2.4.0.0 ||> User Name: Admin IP: 154.61.71.50 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: 5/21/2022 1:42:21 PM MassLogger Started: 5/21/2022 1:41:58 PM Interval: 1 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\order 2020.pdf.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> 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-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	order 2020.pdf.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 queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	order 2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	order 2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	order 2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	order 2020.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	order 2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	order 2020.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	order 2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	order 2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	order 2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	order 2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	order 2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	order 2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	order 2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	order 2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.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 880 set thread context of 1112	880	order 2020.pdf.exe	29

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
1780	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1112	order 2020.pdf.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
880	order 2020.pdf.exe
880	order 2020.pdf.exe
880	order 2020.pdf.exe
880	order 2020.pdf.exe
1112	order 2020.pdf.exe
1112	order 2020.pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	880	order 2020.pdf.exe
Token: SeDebugPrivilege	1112	order 2020.pdf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1112	order 2020.pdf.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 1780	880	order 2020.pdf.exe	27
PID 880 wrote to memory of 1780	880	order 2020.pdf.exe	27
PID 880 wrote to memory of 1780	880	order 2020.pdf.exe	27
PID 880 wrote to memory of 1780	880	order 2020.pdf.exe	27
PID 880 wrote to memory of 1112	880	order 2020.pdf.exe	29
PID 880 wrote to memory of 1112	880	order 2020.pdf.exe	29
PID 880 wrote to memory of 1112	880	order 2020.pdf.exe	29
PID 880 wrote to memory of 1112	880	order 2020.pdf.exe	29
PID 880 wrote to memory of 1112	880	order 2020.pdf.exe	29
PID 880 wrote to memory of 1112	880	order 2020.pdf.exe	29
PID 880 wrote to memory of 1112	880	order 2020.pdf.exe	29
PID 880 wrote to memory of 1112	880	order 2020.pdf.exe	29
PID 880 wrote to memory of 1112	880	order 2020.pdf.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	order 2020.pdf.exe

C:\Users\Admin\AppData\Local\Temp\order 2020.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order 2020.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:880
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uSRQyICPZwKer" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE1A9.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1780
- C:\Users\Admin\AppData\Local\Temp\order 2020.pdf.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:1112

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\tmpE1A9.tmp

Filesize
1KB

MD5
bc61a7afe6e32fc606e4725d18d2758a

SHA1
fae7a2211494033cfdf24737d120d97b75a128d9

SHA256
9c45677d92991b72a33710b757616dd5ef5a3631a303f87371387ee2be4cc5fa

SHA512
c72d0ae07fe39ffb5b87a0a54f09c81439be5b2658ff01909cc39c84502ce85d00d38420d537a70e6d14229bc8fd206a84e26d8546bceda7b0cc6e2f01428291

Download Submit
memory/880-55-0x0000000000580000-0x000000000058A000-memory.dmp

Filesize
40KB

Download
memory/880-56-0x00000000058A0000-0x0000000005960000-memory.dmp

Filesize
768KB

Download
memory/880-57-0x0000000005C60000-0x0000000005D18000-memory.dmp

Filesize
736KB

Download
memory/880-54-0x0000000000BF0000-0x0000000000CCE000-memory.dmp

Filesize
888KB

Download
memory/1112-68-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1112-60-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1112-61-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1112-63-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1112-64-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1112-65-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1112-70-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1112-71-0x0000000004400000-0x0000000004478000-memory.dmp

Filesize
480KB

Download
memory/1112-72-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/1112-73-0x0000000004525000-0x0000000004536000-memory.dmp

Filesize
68KB

Download