masslogger | 10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909

Analysis

max time kernel
72s
max time network
99s
platform
windows7_x64
resource
win7-20220414-en
submitted
30/06/2022, 18:04 UTC

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General

Target

10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Size

1.1MB
MD5

ef826a08ca7e802e0a5a5c61b58b2a80
SHA1

467f33a80dd20e33c0f89ebd69d265cbe109556d
SHA256

10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909
SHA512

cd51bec962ba2aa24ea5747111b9bf292591009cef084facaf56278ab338964b3149a2e6f9d4c2e17ceba15c2095d6af0081c7175ea841a661ca3fe9ef1c3dac

Score

10^/10

masslogger collection spyware stealer upx

Malware Config

Signatures

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

MassLogger Main Payload 4 IoCs

resource	yara_rule
behavioral1/memory/608-59-0x0000000000400000-0x000000000051E000-memory.dmp	family_masslogger
behavioral1/memory/608-60-0x0000000001ED0000-0x0000000001F56000-memory.dmp	family_masslogger
behavioral1/memory/608-58-0x0000000001ED0000-0x0000000001F56000-memory.dmp	family_masslogger
behavioral1/memory/608-62-0x0000000000400000-0x000000000051E000-memory.dmp	family_masslogger

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/608-59-0x0000000000400000-0x000000000051E000-memory.dmp	upx

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	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.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 created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.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 900 set thread context of 608	900	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe	28

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
900	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
608	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
608	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
608	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
1352	powershell.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
900	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	608	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
Token: SeDebugPrivilege	1352	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 900 wrote to memory of 608	900	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe	28
PID 900 wrote to memory of 608	900	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe	28
PID 900 wrote to memory of 608	900	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe	28
PID 900 wrote to memory of 608	900	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe	28
PID 608 wrote to memory of 1352	608	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe	30
PID 608 wrote to memory of 1352	608	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe	30
PID 608 wrote to memory of 1352	608	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe	30
PID 608 wrote to memory of 1352	608	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe	30

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	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.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	10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe

C:\Users\Admin\AppData\Local\Temp\10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
"C:\Users\Admin\AppData\Local\Temp\10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:900
- C:\Users\Admin\AppData\Local\Temp\10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
  "C:\Users\Admin\AppData\Local\Temp\10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:608
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1352

Network

DNS

api.ipify.org

10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe

Remote address:

8.8.8.8:53

Request

api.ipify.org

IN A

Response

api.ipify.org

IN CNAME

api.ipify.org.herokudns.com

api.ipify.org.herokudns.com

IN A

3.232.242.170

api.ipify.org.herokudns.com

IN A

54.91.59.199

api.ipify.org.herokudns.com

IN A

52.20.78.240

api.ipify.org.herokudns.com

IN A

3.220.57.224

3.232.242.170:80

api.ipify.org

10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe

104 B
2

8.8.8.8:53

api.ipify.org

dns

10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe

59 B
164 B
1
1

DNS Request

api.ipify.org

DNS Response

3.232.242.170

54.91.59.199

52.20.78.240

3.220.57.224

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/608-59-0x0000000000400000-0x000000000051E000-memory.dmp

Filesize
1.1MB

Download
memory/608-60-0x0000000001ED0000-0x0000000001F56000-memory.dmp

Filesize
536KB

Download
memory/608-58-0x0000000001ED0000-0x0000000001F56000-memory.dmp

Filesize
536KB

Download
memory/608-62-0x0000000000400000-0x000000000051E000-memory.dmp

Filesize
1.1MB

Download
memory/608-65-0x0000000004C05000-0x0000000004C16000-memory.dmp

Filesize
68KB

Download
memory/900-54-0x00000000751C1000-0x00000000751C3000-memory.dmp

Filesize
8KB

Download
memory/900-56-0x00000000003E0000-0x00000000003F0000-memory.dmp

Filesize
64KB

Download
memory/1352-66-0x000000006E8F0000-0x000000006EE9B000-memory.dmp

Filesize
5.7MB

Download
memory/1352-67-0x000000006E8F0000-0x000000006EE9B000-memory.dmp

Filesize
5.7MB

Download