masslogger | 0c2202bfc3e20a9a1be645b4ec5295a035c93643c99d20248d85a16dcd424cf5

General

Target

Product-7783887.exe
Size

880KB
MD5

f35fc88f11874e02e90bb0aa88e2fccf
SHA1

0aa0f21d88688af2e38bf574a18c97f9939b6b42
SHA256

235bae9ae04ff1860775c42e55671d3bb84d5abdf4f0f0267c66c46050f8aaca
SHA512

e4bc231916f44dd6cd8785a741537ebe364e0d4656b57977046df2e4f1deb8b236c46abe6b8549102755b64cc653e6e5d61a3600965c9c3ac2cb88736400d0be

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\F95B724EDE\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.7.1 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States Windows OS: Microsoft Windows 10 Pro64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 4:22:49 AM MassLogger Started: 5/21/2022 4:22:45 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Product-7783887.exe MassLogger Melt: true MassLogger Exit after delivery: false As Administrator: True Processes:

Signatures

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

MassLogger Main Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4236-140-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger

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

Processes:

yara_rule

masslogger_log_file

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

Processes:

Product-7783887.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	Product-7783887.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 18 IoCs

collection

Email Collection

T1114

Processes:

Product-7783887.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Product-7783887.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Product-7783887.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Product-7783887.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Product-7783887.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Product-7783887.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Product-7783887.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Product-7783887.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Product-7783887.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Product-7783887.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Product-7783887.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Product-7783887.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Product-7783887.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Product-7783887.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Product-7783887.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Product-7783887.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Product-7783887.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Product-7783887.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Product-7783887.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.

Processes:

flow ioc

42 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Product-7783887.exe

description pid process target process

PID 4888 set thread context of 4236 4888 Product-7783887.exe Product-7783887.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

Product-7783887.exe

pid process

4236 Product-7783887.exe

flow	ioc
42	api.ipify.org

description	pid	process	target process
PID 4888 set thread context of 4236	4888	Product-7783887.exe	Product-7783887.exe

pid	process
4236	Product-7783887.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

Product-7783887.exeProduct-7783887.exepowershell.exe

pid	process
4888	Product-7783887.exe
4888	Product-7783887.exe
4888	Product-7783887.exe
4888	Product-7783887.exe
4236	Product-7783887.exe
4236	Product-7783887.exe
5024	powershell.exe
5024	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Product-7783887.exeProduct-7783887.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4888	Product-7783887.exe
Token: SeDebugPrivilege	4236	Product-7783887.exe
Token: SeDebugPrivilege	5024	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Product-7783887.exe

pid process

4236 Product-7783887.exe

pid	process
4236	Product-7783887.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Product-7783887.exeProduct-7783887.execmd.exe

description	pid	process	target process
PID 4888 wrote to memory of 4848	4888	Product-7783887.exe	Product-7783887.exe
PID 4888 wrote to memory of 4848	4888	Product-7783887.exe	Product-7783887.exe
PID 4888 wrote to memory of 4848	4888	Product-7783887.exe	Product-7783887.exe
PID 4888 wrote to memory of 2196	4888	Product-7783887.exe	Product-7783887.exe
PID 4888 wrote to memory of 2196	4888	Product-7783887.exe	Product-7783887.exe
PID 4888 wrote to memory of 2196	4888	Product-7783887.exe	Product-7783887.exe
PID 4888 wrote to memory of 4236	4888	Product-7783887.exe	Product-7783887.exe
PID 4888 wrote to memory of 4236	4888	Product-7783887.exe	Product-7783887.exe
PID 4888 wrote to memory of 4236	4888	Product-7783887.exe	Product-7783887.exe
PID 4888 wrote to memory of 4236	4888	Product-7783887.exe	Product-7783887.exe
PID 4888 wrote to memory of 4236	4888	Product-7783887.exe	Product-7783887.exe
PID 4888 wrote to memory of 4236	4888	Product-7783887.exe	Product-7783887.exe
PID 4888 wrote to memory of 4236	4888	Product-7783887.exe	Product-7783887.exe
PID 4888 wrote to memory of 4236	4888	Product-7783887.exe	Product-7783887.exe
PID 4236 wrote to memory of 3748	4236	Product-7783887.exe	cmd.exe
PID 4236 wrote to memory of 3748	4236	Product-7783887.exe	cmd.exe
PID 4236 wrote to memory of 3748	4236	Product-7783887.exe	cmd.exe
PID 3748 wrote to memory of 5024	3748	cmd.exe	powershell.exe
PID 3748 wrote to memory of 5024	3748	cmd.exe	powershell.exe
PID 3748 wrote to memory of 5024	3748	cmd.exe	powershell.exe

outlook_office_path 1 IoCs

Processes:

Product-7783887.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Product-7783887.exe

outlook_win_path 1 IoCs

Processes:

Product-7783887.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Product-7783887.exe

C:\Users\Admin\AppData\Local\Temp\Product-7783887.exe
"C:\Users\Admin\AppData\Local\Temp\Product-7783887.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4888
- C:\Users\Admin\AppData\Local\Temp\Product-7783887.exe
  "{path}"
  2⤵
  PID:4848
- C:\Users\Admin\AppData\Local\Temp\Product-7783887.exe
  "{path}"
  2⤵
  PID:2196
- C:\Users\Admin\AppData\Local\Temp\Product-7783887.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
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:4236
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c start /b powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\Product-7783887.exe' & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3748
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\Product-7783887.exe'
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:5024

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Product-7783887.exe.log

Filesize
1KB

MD5
8783efc818e6c4b08cdd7dc7e06641d0

SHA1
481a410d390aefdd28ff1bc005d1ee46e7b092f2

SHA256
735a7e96c6b2d91b062f378d14291656b72c92d36b1a21584ce5b606b4ea8572

SHA512
1d48c97192d9ca4deca93a2a62dc6230d2752b1710c95660b41e89413b9b022a0139570d946580968bd04cf48497a6dc31e25d4aca7f477525b346ab0a302d32

Download Submit
memory/2196-138-0x0000000000000000-mapping.dmp

Download
memory/3748-143-0x0000000000000000-mapping.dmp

Download
memory/4236-142-0x0000000008570000-0x00000000085C0000-memory.dmp

Filesize
320KB

Download
memory/4236-141-0x0000000005840000-0x00000000058A6000-memory.dmp

Filesize
408KB

Download
memory/4236-140-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4236-139-0x0000000000000000-mapping.dmp

Download
memory/4848-137-0x0000000000000000-mapping.dmp

Download
memory/4888-136-0x0000000008BF0000-0x0000000008C8C000-memory.dmp

Filesize
624KB

Download
memory/4888-130-0x0000000000700000-0x00000000007E2000-memory.dmp

Filesize
904KB

Download
memory/4888-135-0x0000000005BF0000-0x0000000005C12000-memory.dmp

Filesize
136KB

Download
memory/4888-134-0x0000000005BA0000-0x0000000005BB2000-memory.dmp

Filesize
72KB

Download
memory/4888-133-0x0000000005060000-0x000000000506A000-memory.dmp

Filesize
40KB

Download
memory/4888-132-0x00000000050E0000-0x0000000005172000-memory.dmp

Filesize
584KB

Download
memory/4888-131-0x00000000055F0000-0x0000000005B94000-memory.dmp

Filesize
5.6MB

Download
memory/5024-145-0x0000000000000000-mapping.dmp

Download
memory/5024-146-0x0000000004BC0000-0x0000000004BF6000-memory.dmp

Filesize
216KB

Download
memory/5024-147-0x0000000005360000-0x0000000005988000-memory.dmp

Filesize
6.2MB

Download
memory/5024-148-0x0000000005990000-0x00000000059F6000-memory.dmp

Filesize
408KB

Download
memory/5024-149-0x0000000006160000-0x000000000617E000-memory.dmp

Filesize
120KB

Download
memory/5024-150-0x00000000077A0000-0x0000000007E1A000-memory.dmp

Filesize
6.5MB

Download
memory/5024-151-0x0000000007140000-0x000000000715A000-memory.dmp

Filesize
104KB

Download
memory/5024-152-0x0000000007260000-0x00000000072F6000-memory.dmp

Filesize
600KB

Download
memory/5024-153-0x00000000071F0000-0x0000000007212000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads