masslogger | 11b51777fe2510a6c9c60058157e5d81a4d70a0c5f91a5360c97cc85a66c9b22

General

Target

IMG.exe
Size

790KB
MD5

e37eaf4e6ba3f8f3c7ae69fe64fab426
SHA1

2371f3f0b6f993a6a85016764fc515e21318acd6
SHA256

686fa9c6fbea4f0c7ef43e699dc0635cde676b7e9b85846543367a0530c36b0d
SHA512

eb833ba22f65f3dbceaafa87ab0e3f329cd710849dc08e8dd6972e2a291cb7ddceb90daabfa613e6310e18879e762ffaf051a8c10e36fd264b8f58eecf107142

Score

10^/10

masslogger collection persistence spyware stealer suricata

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
info@aksayyanggin.com
Password:
1234567890$$

Signatures

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

MassLogger Main Payload 32 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1840-65-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-64-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-66-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-67-0x00000000004A187E-mapping.dmp	family_masslogger
behavioral1/memory/1840-71-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-69-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-73-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-75-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-77-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-79-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-81-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-83-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-85-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-91-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-89-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-87-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-95-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-93-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-97-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-103-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-101-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-99-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-105-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-109-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-111-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-107-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-113-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-115-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-117-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-119-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-121-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1840-123-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger

MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.

Processes:

yara_rule

masslogger_log_file
suricata: ET MALWARE MASSLOGGER Client Data Exfil (POST)
suricata: ET MALWARE MASSLOGGER Client Data Exfil (POST)
suricata
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:

IMG.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation IMG.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

yara_rule
masslogger_log_file

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	IMG.exe

Accesses Microsoft Outlook profiles 1 TTPs 15 IoCs

collection

Email Collection

T1114

Processes:

IMG.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	IMG.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	IMG.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IMG.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IMG.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IMG.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IMG.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IMG.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	IMG.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IMG.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	IMG.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IMG.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IMG.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IMG.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	IMG.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	IMG.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

IMG.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\bios = "\"C:\\Users\\Admin\\bios.exe\""	IMG.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
Suspicious use of SetThreadContext 1 IoCs

Processes:

IMG.exe

description pid process target process

PID 1348 set thread context of 1840 1348 IMG.exe IMG.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

IMG.exe

pid process

1840 IMG.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 1348 set thread context of 1840	1348	IMG.exe	IMG.exe

pid	process
1840	IMG.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

IMG.exeIMG.exe

pid	process
1348	IMG.exe
1348	IMG.exe
1348	IMG.exe
1348	IMG.exe
1348	IMG.exe
1348	IMG.exe
1348	IMG.exe
1348	IMG.exe
1348	IMG.exe
1348	IMG.exe
1348	IMG.exe
1348	IMG.exe
1348	IMG.exe
1840	IMG.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

IMG.exeIMG.exe

description pid process

Token: SeDebugPrivilege 1348 IMG.exe
Token: SeDebugPrivilege 1840 IMG.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

IMG.exe

pid process

1840 IMG.exe

description	pid	process
Token: SeDebugPrivilege	1348	IMG.exe
Token: SeDebugPrivilege	1840	IMG.exe

pid	process
1840	IMG.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

IMG.exe

description	pid	process	target process
PID 1348 wrote to memory of 1840	1348	IMG.exe	IMG.exe
PID 1348 wrote to memory of 1840	1348	IMG.exe	IMG.exe
PID 1348 wrote to memory of 1840	1348	IMG.exe	IMG.exe
PID 1348 wrote to memory of 1840	1348	IMG.exe	IMG.exe
PID 1348 wrote to memory of 1840	1348	IMG.exe	IMG.exe
PID 1348 wrote to memory of 1840	1348	IMG.exe	IMG.exe
PID 1348 wrote to memory of 1840	1348	IMG.exe	IMG.exe
PID 1348 wrote to memory of 1840	1348	IMG.exe	IMG.exe
PID 1348 wrote to memory of 1840	1348	IMG.exe	IMG.exe

outlook_office_path 1 IoCs

Processes:

IMG.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IMG.exe

outlook_win_path 1 IoCs

Processes:

IMG.exe

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	IMG.exe

C:\Users\Admin\AppData\Local\Temp\IMG.exe
"C:\Users\Admin\AppData\Local\Temp\IMG.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1348

C:\Users\Admin\AppData\Local\Temp\IMG.exe
"C:\Users\Admin\AppData\Local\Temp\IMG.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:1840

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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

Replay Monitor

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Downloads

memory/1348-54-0x0000000001080000-0x000000000114C000-memory.dmp

Filesize
816KB

Download
memory/1348-55-0x00000000005A0000-0x00000000005A8000-memory.dmp

Filesize
32KB

Download
memory/1348-56-0x0000000000C80000-0x0000000000D28000-memory.dmp

Filesize
672KB

Download
memory/1348-57-0x0000000000790000-0x00000000007A6000-memory.dmp

Filesize
88KB

Download
memory/1348-58-0x0000000076531000-0x0000000076533000-memory.dmp

Filesize
8KB

Download
memory/1348-59-0x0000000000980000-0x0000000000996000-memory.dmp

Filesize
88KB

Download
memory/1348-60-0x00000000009F0000-0x0000000000A04000-memory.dmp

Filesize
80KB

Download
memory/1840-61-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-62-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-65-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-64-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-66-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-67-0x00000000004A187E-mapping.dmp

Download
memory/1840-71-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-69-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-73-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-75-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-77-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-79-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-81-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-83-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-85-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-91-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-89-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-87-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-95-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-93-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-97-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-103-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-101-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-99-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-105-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-109-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-111-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-107-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-113-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-115-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-117-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-119-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-121-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-123-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1840-573-0x00000000006B0000-0x00000000006F4000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads