masslogger | 424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa

General

Target

424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe
Size

878KB
MD5

0e26ef9a028fbc3deb0a67809b5ce0cb
SHA1

2ea7ed61e3327d8255d4b0bafa6b87873ee5dbf4
SHA256

424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa
SHA512

5f554de99249785334a02f29b8650979d7263a2367de9858c21eaf61caaf211c44872beb01573371f6b34c5673d0a56962a9a1cef03807c9148facd63a723ff9

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/1524-65-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1524-66-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1524-67-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1524-68-0x000000000048179E-mapping.dmp	family_masslogger
behavioral1/memory/1524-71-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1524-73-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger

Executes dropped EXE 1 IoCs

Processes:

AddInProcess32.exe

pid process

1524 AddInProcess32.exe

pid	process
1524	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-1-5-21-790309383-526510583-3802439154-1000\Control Panel\International\Geo\Nation	AddInProcess32.exe

Loads dropped DLL 3 IoCs

Processes:

424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe

pid	process
560	424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe
560	424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe
560	424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.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 created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	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:

424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe

description	pid	process	target process
PID 560 set thread context of 1524	560	424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exeAddInProcess32.exepowershell.exe

pid	process
560	424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe
1524	AddInProcess32.exe
1524	AddInProcess32.exe
1524	AddInProcess32.exe
996	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exeAddInProcess32.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	560	424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe
Token: SeTakeOwnershipPrivilege	560	424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe
Token: SeRestorePrivilege	560	424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe
Token: SeDebugPrivilege	1524	AddInProcess32.exe
Token: SeDebugPrivilege	996	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exeAddInProcess32.exe

description	pid	process	target process
PID 560 wrote to memory of 1524	560	424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe	AddInProcess32.exe
PID 560 wrote to memory of 1524	560	424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe	AddInProcess32.exe
PID 560 wrote to memory of 1524	560	424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe	AddInProcess32.exe
PID 560 wrote to memory of 1524	560	424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe	AddInProcess32.exe
PID 560 wrote to memory of 1524	560	424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe	AddInProcess32.exe
PID 560 wrote to memory of 1524	560	424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe	AddInProcess32.exe
PID 560 wrote to memory of 1524	560	424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe	AddInProcess32.exe
PID 560 wrote to memory of 1524	560	424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe	AddInProcess32.exe
PID 560 wrote to memory of 1524	560	424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe	AddInProcess32.exe
PID 1524 wrote to memory of 996	1524	AddInProcess32.exe	powershell.exe
PID 1524 wrote to memory of 996	1524	AddInProcess32.exe	powershell.exe
PID 1524 wrote to memory of 996	1524	AddInProcess32.exe	powershell.exe
PID 1524 wrote to memory of 996	1524	AddInProcess32.exe	powershell.exe

outlook_office_path 1 IoCs

Processes:

AddInProcess32.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe
"C:\Users\Admin\AppData\Local\Temp\424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:560
- 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: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:1524
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:996

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\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\5fe04141-d3b5-4927-8ee5-5a463e534407\njn.dll

Filesize
94KB

MD5
14ff402962ad21b78ae0b4c43cd1f194

SHA1
f8a510eb26666e875a5bdd1cadad40602763ad72

SHA256
fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

SHA512
daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

Download Submit
\Users\Admin\AppData\Local\Temp\AddInProcess32.exe

Filesize
41KB

MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
\Users\Admin\AppData\Local\Temp\b35bc50e-fc56-4239-a7d0-bb79118b31c9\AgileDotNetRT.dll

Filesize
94KB

MD5
14ff402962ad21b78ae0b4c43cd1f194

SHA1
f8a510eb26666e875a5bdd1cadad40602763ad72

SHA256
fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

SHA512
daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

Download Submit
memory/560-55-0x00000000753E1000-0x00000000753E3000-memory.dmp

Filesize
8KB

Download
memory/560-56-0x0000000000300000-0x0000000000338000-memory.dmp

Filesize
224KB

Download
memory/560-59-0x0000000000630000-0x000000000064C000-memory.dmp

Filesize
112KB

Download
memory/560-54-0x0000000001180000-0x0000000001262000-memory.dmp

Filesize
904KB

Download
memory/996-79-0x000000006EE40000-0x000000006F3EB000-memory.dmp

Filesize
5.7MB

Download
memory/996-76-0x0000000000000000-mapping.dmp

Download
memory/1524-66-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1524-67-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1524-68-0x000000000048179E-mapping.dmp

Download
memory/1524-71-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1524-73-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1524-65-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1524-63-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1524-78-0x0000000004855000-0x0000000004866000-memory.dmp

Filesize
68KB

Download
memory/1524-62-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads