masslogger | d1c2df594c462270ea2b8b8ba07bc15d8dafce4ab29d4fe8dfc168fe2b7a0f9c

Analysis

max time kernel
80s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
21/02/2022, 10:00

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General

Target
DHL_JAN_.exe
Size 715KB
Sample220221-l1nfdadbgp
SHA256 5873eeecc609bbf368ed09b3a3d7374c3a3c5611deb407edf0758f1d9017d54d
MD5 22884fe2b584826518d07d2a0e63cdaa
SHA1 2f37ac54c148847671b40ea7153835b7fb8215d4
SHA512 d8afbb7b862505fe82aba93ebe25f78dcf3a8618eb5c142cedba11856423b2ab4a9a6496d6bf1e1c7dd67120a2070785c959496ccb98b7e2b50e1df46f8f5c0a
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/1816-135-0x0000000000400000-0x0000000000486000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	DHL_JAN_.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\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.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_JAN_.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	DHL_JAN_.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	DHL_JAN_.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	DHL_JAN_.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	DHL_JAN_.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	DHL_JAN_.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.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_JAN_.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	DHL_JAN_.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.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_JAN_.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_JAN_.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	DHL_JAN_.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	DHL_JAN_.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	DHL_JAN_.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	DHL_JAN_.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_JAN_.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	DHL_JAN_.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	DHL_JAN_.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	DHL_JAN_.exe
Key queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	DHL_JAN_.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
24	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 428 set thread context of 1816	428	DHL_JAN_.exe	82

Drops file in Windows directory 6 IoCs

description	ioc	Process
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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1816	DHL_JAN_.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1816	DHL_JAN_.exe
1816	DHL_JAN_.exe
1816	DHL_JAN_.exe
1816	DHL_JAN_.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	1816	DHL_JAN_.exe
Token: SeShutdownPrivilege	4264	svchost.exe
Token: SeCreatePagefilePrivilege	4264	svchost.exe
Token: SeShutdownPrivilege	4264	svchost.exe
Token: SeCreatePagefilePrivilege	4264	svchost.exe
Token: SeShutdownPrivilege	4264	svchost.exe
Token: SeCreatePagefilePrivilege	4264	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1816	DHL_JAN_.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 428 wrote to memory of 1816	428	DHL_JAN_.exe	82
PID 428 wrote to memory of 1816	428	DHL_JAN_.exe	82
PID 428 wrote to memory of 1816	428	DHL_JAN_.exe	82
PID 428 wrote to memory of 1816	428	DHL_JAN_.exe	82
PID 428 wrote to memory of 1816	428	DHL_JAN_.exe	82
PID 428 wrote to memory of 1816	428	DHL_JAN_.exe	82
PID 428 wrote to memory of 1816	428	DHL_JAN_.exe	82
PID 428 wrote to memory of 1816	428	DHL_JAN_.exe	82

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_JAN_.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_JAN_.exe

C:\Users\Admin\AppData\Local\Temp\DHL_JAN_.exe
"C:\Users\Admin\AppData\Local\Temp\DHL_JAN_.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:428
- C:\Users\Admin\AppData\Local\Temp\DHL_JAN_.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL_JAN_.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:1816

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:4264

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/428-136-0x0000000005E40000-0x0000000005ED2000-memory.dmp

Download

memory/428-131-0x0000000000830000-0x00000000008E8000-memory.dmp

Download

memory/428-132-0x0000000005750000-0x0000000005CF4000-memory.dmp

Download

memory/428-133-0x0000000005DA0000-0x0000000005E3C000-memory.dmp

Download

memory/428-134-0x00000000052D0000-0x00000000052D1000-memory.dmp

Download

memory/428-130-0x000000007473E000-0x000000007473F000-memory.dmp

Download

memory/1816-138-0x0000000004FC0000-0x0000000004FC1000-memory.dmp

Download

memory/1816-137-0x000000007473E000-0x000000007473F000-memory.dmp

Download

memory/1816-135-0x0000000000400000-0x0000000000486000-memory.dmp

Download

memory/1816-139-0x0000000006450000-0x00000000064B6000-memory.dmp

Download

memory/1816-142-0x0000000073175000-0x0000000073176000-memory.dmp

Download

memory/1816-144-0x0000000004FC3000-0x0000000004FC5000-memory.dmp

Download

memory/1816-145-0x0000000006BE0000-0x0000000006BEA000-memory.dmp

Download

memory/1816-146-0x0000000006DE0000-0x0000000006E30000-memory.dmp

Download

memory/1816-147-0x0000000004FC5000-0x0000000004FC6000-memory.dmp

Download

memory/4264-140-0x000001EDE9420000-0x000001EDE9430000-memory.dmp

Download

memory/4264-141-0x000001EDE9640000-0x000001EDE9650000-memory.dmp

Download

memory/4264-143-0x000001EDEBB40000-0x000001EDEBB44000-memory.dmp

Download