masslogger | f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6

General

Target

f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exe
Size

882KB
MD5

bdb19770b810cb78953ddb404bae0652
SHA1

49dcad138b9d291b4816e256c5b1fc6f69b03483
SHA256

f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6
SHA512

bb5c044a82758c655ca3499b97b247c137a769ed4f451661afdc93b4cab492ff07df92cd99079cca6a7abc22caa304799092e8dce5b42137f593dad0a6a423f8

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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1060-64-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1060-63-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1060-65-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1060-66-0x0000000000481ECE-mapping.dmp	family_masslogger
behavioral1/memory/1060-69-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1060-71-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger

Executes dropped EXE 1 IoCs

Processes:

AddInProcess32.exe

pid process

1060 AddInProcess32.exe

pid	process
1060	AddInProcess32.exe

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:

AddInProcess32.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation	AddInProcess32.exe

Loads dropped DLL 1 IoCs

Processes:

f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exe

pid process

1100 f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.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

Processes:

AddInProcess32.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.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

4 api.ipify.org

flow	ioc
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exe

description	pid	process	target process
PID 1100 set thread context of 1060	1100	f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exe	AddInProcess32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

AddInProcess32.exe

pid process

1060 AddInProcess32.exe

pid	process
1060	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exeAddInProcess32.exe

pid	process
1100	f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exe
1060	AddInProcess32.exe
1060	AddInProcess32.exe
1060	AddInProcess32.exe
1060	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exeAddInProcess32.exe

description	pid	process
Token: SeDebugPrivilege	1100	f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exe
Token: SeDebugPrivilege	1060	AddInProcess32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

AddInProcess32.exe

pid process

1060 AddInProcess32.exe

pid	process
1060	AddInProcess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exe

description	pid	process	target process
PID 1100 wrote to memory of 1060	1100	f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exe	AddInProcess32.exe
PID 1100 wrote to memory of 1060	1100	f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exe	AddInProcess32.exe
PID 1100 wrote to memory of 1060	1100	f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exe	AddInProcess32.exe
PID 1100 wrote to memory of 1060	1100	f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exe	AddInProcess32.exe
PID 1100 wrote to memory of 1060	1100	f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exe	AddInProcess32.exe
PID 1100 wrote to memory of 1060	1100	f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exe	AddInProcess32.exe
PID 1100 wrote to memory of 1060	1100	f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exe	AddInProcess32.exe
PID 1100 wrote to memory of 1060	1100	f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exe	AddInProcess32.exe
PID 1100 wrote to memory of 1060	1100	f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exe	AddInProcess32.exe

outlook_office_path 1 IoCs

Processes:

AddInProcess32.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

outlook_win_path 1 IoCs

Processes:

AddInProcess32.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exe
"C:\Users\Admin\AppData\Local\Temp\f9f859554890e30fd306d0df61a182f99e1cb8ff474549bfcede04be41dc93f6.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
2⤵
- Executes dropped EXE
- 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:1060

Network

MITRE ATT&CK Matrix ATT&CK 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

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
Filesize
41KB

MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
Filesize
41KB

MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
Filesize
41KB

MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
memory/1060-64-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1060-65-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1060-74-0x00000000005B5000-0x00000000005C6000-memory.dmp

Filesize
68KB

Download
memory/1060-60-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1060-61-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1060-71-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1060-63-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1060-69-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1060-66-0x0000000000481ECE-mapping.dmp

Download
memory/1100-56-0x0000000000760000-0x0000000000780000-memory.dmp

Filesize
128KB

Download
memory/1100-58-0x0000000000780000-0x000000000078C000-memory.dmp

Filesize
48KB

Download
memory/1100-54-0x0000000000D90000-0x0000000000E70000-memory.dmp

Filesize
896KB

Download
memory/1100-55-0x0000000074B51000-0x0000000074B53000-memory.dmp

Filesize
8KB

Download
memory/1100-57-0x0000000000870000-0x0000000000876000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads