masslogger | d69ffa1fd0c833c93e631225c0a3548d85ff5e0476091dc1a37894546c70c096

Analysis

max time kernel
128s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
21/02/2022, 09:56

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General

Target
DHL_JANU.exe
Size 736KB
Sample220221-lymq3acebn
SHA256 a39304a39ad9b9427b000045f7f5c60ed7790fe1a79d604ba9379bb94c0da593
MD5 b9ca60bd296e8b80185f531b8fd82a8b
SHA1 39b868b11fe71cc7d0bbb88f3ebb8198648808cc
SHA512 1ab95c7f9c8b5db41d4161b0694545b25a758b3222b6fbfd47123f0c622c2ddfe7574f31026d646d0d026bff77a4c30b7e1e9a03c90925fcdba5f268af0c734e
MD5 SHA1 SHA512

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

resource	yara_rule
behavioral2/memory/3876-132-0x0000000000400000-0x0000000000496000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	DHL_JANU.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

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	DHL_JANU.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	DHL_JANU.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	DHL_JANU.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	DHL_JANU.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	DHL_JANU.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	DHL_JANU.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	DHL_JANU.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.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
25	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4724 set thread context of 3876	4724	DHL_JANU.exe	81

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3876	DHL_JANU.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3876	DHL_JANU.exe
3876	DHL_JANU.exe
3876	DHL_JANU.exe
3876	DHL_JANU.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4724	DHL_JANU.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	3876	DHL_JANU.exe
Token: SeShutdownPrivilege	788	svchost.exe
Token: SeCreatePagefilePrivilege	788	svchost.exe
Token: SeShutdownPrivilege	788	svchost.exe
Token: SeCreatePagefilePrivilege	788	svchost.exe
Token: SeShutdownPrivilege	788	svchost.exe
Token: SeCreatePagefilePrivilege	788	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3876	DHL_JANU.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 3876	4724	DHL_JANU.exe	81
PID 4724 wrote to memory of 3876	4724	DHL_JANU.exe	81
PID 4724 wrote to memory of 3876	4724	DHL_JANU.exe	81
PID 4724 wrote to memory of 3876	4724	DHL_JANU.exe	81

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JANU.exe

C:\Users\Admin\AppData\Local\Temp\DHL_JANU.exe
"C:\Users\Admin\AppData\Local\Temp\DHL_JANU.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Users\Admin\AppData\Local\Temp\DHL_JANU.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL_JANU.exe"
  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:3876

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:788

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

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

memory/788-141-0x000002B8EF9A0000-0x000002B8EF9B0000-memory.dmp

Download

memory/788-143-0x000002B8F2D80000-0x000002B8F2D84000-memory.dmp

Download

memory/788-142-0x000002B8F0170000-0x000002B8F0180000-memory.dmp

Download

memory/3876-132-0x0000000000400000-0x0000000000496000-memory.dmp

Download

memory/3876-140-0x0000000075A25000-0x0000000075A26000-memory.dmp

Download

memory/3876-135-0x0000000002B83000-0x0000000002B84000-memory.dmp

Download

memory/3876-136-0x0000000002B84000-0x0000000002B85000-memory.dmp

Download

memory/3876-137-0x0000000005900000-0x0000000005992000-memory.dmp

Download

memory/3876-138-0x0000000005F50000-0x00000000064F4000-memory.dmp

Download

memory/3876-139-0x00000000067F0000-0x0000000006856000-memory.dmp

Download

memory/3876-147-0x0000000007250000-0x00000000072EC000-memory.dmp

Download

memory/3876-134-0x0000000002B82000-0x0000000002B83000-memory.dmp

Download

memory/3876-133-0x0000000002B80000-0x0000000002B81000-memory.dmp

Download

memory/3876-131-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Download

memory/3876-144-0x0000000007050000-0x00000000070A0000-memory.dmp

Download

memory/3876-145-0x0000000007010000-0x000000000701A000-memory.dmp

Download

memory/3876-146-0x0000000002B87000-0x0000000002B89000-memory.dmp

Download

memory/4724-130-0x00000000012FD000-0x0000000001300000-memory.dmp

Download