masslogger | 7c96bb4d2f874c7042758088d7fd44e73c5e2616f5f78cc10b383e9ae9bacd5a

General

Target

Inquriy List Ref.exe
Size

897KB
MD5

c0989fcd6a3bb3c463d4e6cf10bc2b78
SHA1

26a804e261e9e5741858ebc475692d2c17a4ad42
SHA256

18536d644a7be6098da4f895bac325297f0a4c08252f6b98f9cab510f004e8ce
SHA512

9fbde9b86f9c9ba0ddd1ee227350294f69904a39a614b1d9ce810394771de8ad06f3033ace86059fe2fc8d42ef2d56e0c045760709a5bc80dea2dcdb9150f173

Score

10^/10

masslogger collection spyware stealer

Malware Config

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/4996-136-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger

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:

Inquriy List Ref.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	Inquriy List Ref.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 42 IoCs

collection

Email Collection

T1114

Processes:

Inquriy List Ref.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Inquriy List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Inquriy List Ref.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Inquriy List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Inquriy List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Inquriy List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Inquriy List Ref.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.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

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

Processes:

Inquriy List Ref.exe

description pid process target process

PID 1856 set thread context of 4996 1856 Inquriy List Ref.exe Inquriy List Ref.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

Inquriy List Ref.exe

pid process

4996 Inquriy List Ref.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Inquriy List Ref.exepowershell.exe

pid process

4996 Inquriy List Ref.exe
4996 Inquriy List Ref.exe
4996 Inquriy List Ref.exe
4996 Inquriy List Ref.exe
4508 powershell.exe
4508 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Inquriy List Ref.exepowershell.exe

description pid process

Token: SeDebugPrivilege 4996 Inquriy List Ref.exe
Token: SeDebugPrivilege 4508 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Inquriy List Ref.exe

pid process

4996 Inquriy List Ref.exe

flow	ioc
25	api.ipify.org

description	pid	process	target process
PID 1856 set thread context of 4996	1856	Inquriy List Ref.exe	Inquriy List Ref.exe

pid	process
4996	Inquriy List Ref.exe

pid	process
4996	Inquriy List Ref.exe
4996	Inquriy List Ref.exe
4996	Inquriy List Ref.exe
4996	Inquriy List Ref.exe
4508	powershell.exe
4508	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4996	Inquriy List Ref.exe
Token: SeDebugPrivilege	4508	powershell.exe

pid	process
4996	Inquriy List Ref.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Inquriy List Ref.exeInquriy List Ref.exe

description	pid	process	target process
PID 1856 wrote to memory of 4996	1856	Inquriy List Ref.exe	Inquriy List Ref.exe
PID 1856 wrote to memory of 4996	1856	Inquriy List Ref.exe	Inquriy List Ref.exe
PID 1856 wrote to memory of 4996	1856	Inquriy List Ref.exe	Inquriy List Ref.exe
PID 1856 wrote to memory of 4996	1856	Inquriy List Ref.exe	Inquriy List Ref.exe
PID 1856 wrote to memory of 4996	1856	Inquriy List Ref.exe	Inquriy List Ref.exe
PID 1856 wrote to memory of 4996	1856	Inquriy List Ref.exe	Inquriy List Ref.exe
PID 1856 wrote to memory of 4996	1856	Inquriy List Ref.exe	Inquriy List Ref.exe
PID 1856 wrote to memory of 4996	1856	Inquriy List Ref.exe	Inquriy List Ref.exe
PID 4996 wrote to memory of 4508	4996	Inquriy List Ref.exe	powershell.exe
PID 4996 wrote to memory of 4508	4996	Inquriy List Ref.exe	powershell.exe
PID 4996 wrote to memory of 4508	4996	Inquriy List Ref.exe	powershell.exe

outlook_office_path 1 IoCs

Processes:

Inquriy List Ref.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe

outlook_win_path 1 IoCs

Processes:

Inquriy List Ref.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquriy List Ref.exe

C:\Users\Admin\AppData\Local\Temp\Inquriy List Ref.exe
"C:\Users\Admin\AppData\Local\Temp\Inquriy List Ref.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Users\Admin\AppData\Local\Temp\Inquriy List Ref.exe
  "C:\Users\Admin\AppData\Local\Temp\Inquriy List Ref.exe"
  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:4996
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Inquriy List Ref.exe'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4508

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\Inquriy List Ref.exe.log

Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
memory/1856-131-0x00000000056D0000-0x0000000005C74000-memory.dmp

Filesize
5.6MB

Download
memory/1856-132-0x0000000005120000-0x00000000051B2000-memory.dmp

Filesize
584KB

Download
memory/1856-133-0x0000000005260000-0x00000000052FC000-memory.dmp

Filesize
624KB

Download
memory/1856-134-0x00000000051C0000-0x00000000051CA000-memory.dmp

Filesize
40KB

Download
memory/1856-130-0x0000000000690000-0x0000000000776000-memory.dmp

Filesize
920KB

Download
memory/4508-144-0x0000000005C80000-0x0000000005CA2000-memory.dmp

Filesize
136KB

Download
memory/4508-152-0x0000000007890000-0x00000000078AA000-memory.dmp

Filesize
104KB

Download
memory/4508-157-0x0000000007BB0000-0x0000000007BB8000-memory.dmp

Filesize
32KB

Download
memory/4508-139-0x0000000000000000-mapping.dmp

Download
memory/4508-156-0x0000000007BD0000-0x0000000007BEA000-memory.dmp

Filesize
104KB

Download
memory/4508-141-0x0000000002BC0000-0x0000000002BF6000-memory.dmp

Filesize
216KB

Download
memory/4508-155-0x0000000007AC0000-0x0000000007ACE000-memory.dmp

Filesize
56KB

Download
memory/4508-143-0x0000000005650000-0x0000000005C78000-memory.dmp

Filesize
6.2MB

Download
memory/4508-154-0x0000000007B10000-0x0000000007BA6000-memory.dmp

Filesize
600KB

Download
memory/4508-145-0x0000000005D20000-0x0000000005D86000-memory.dmp

Filesize
408KB

Download
memory/4508-146-0x0000000006500000-0x000000000651E000-memory.dmp

Filesize
120KB

Download
memory/4508-147-0x0000000002C25000-0x0000000002C27000-memory.dmp

Filesize
8KB

Download
memory/4508-148-0x0000000007710000-0x0000000007742000-memory.dmp

Filesize
200KB

Download
memory/4508-149-0x000000006F760000-0x000000006F7AC000-memory.dmp

Filesize
304KB

Download
memory/4508-150-0x00000000076F0000-0x000000000770E000-memory.dmp

Filesize
120KB

Download
memory/4508-151-0x0000000007ED0000-0x000000000854A000-memory.dmp

Filesize
6.5MB

Download
memory/4508-153-0x0000000007900000-0x000000000790A000-memory.dmp

Filesize
40KB

Download
memory/4996-136-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/4996-135-0x0000000000000000-mapping.dmp

Download
memory/4996-142-0x0000000005563000-0x0000000005565000-memory.dmp

Filesize
8KB

Download
memory/4996-140-0x0000000007380000-0x00000000073D0000-memory.dmp

Filesize
320KB

Download
memory/4996-138-0x0000000006BF0000-0x0000000006C56000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads