masslogger | afcf10e63edab00f0d543fc0bcec01ffea969babb753ce75ea875a6aa5eaf7a6

General

Target

paymet swift.exe
Size

1.1MB
MD5

c3d8e5019f423a7c1ea2666ca16287c6
SHA1

35e02cc1c9e04f08e6f456c10705fd07f8289b49
SHA256

be5577611493fb291815b0a9ed2a682b283febf79ee5ab2e647087494dd3a9c4
SHA512

7b88728bddc5e404e465b7806e1f3c8277f9bbbe17993418cda1605196afc98c960324edb0a0179059b7e9518a01716f29c4905c2c0310c4dc9251a710a7944b

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\8506BBE7FF\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.7.1 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.13 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 2:03:31 AM MassLogger Started: 5/21/2022 2:03:17 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\paymet swift.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

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/1728-62-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral1/memory/1728-63-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral1/memory/1728-64-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral1/memory/1728-65-0x00000000004A2D1E-mapping.dmp	family_masslogger
behavioral1/memory/1728-67-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral1/memory/1728-69-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger

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

Processes:

yara_rule

masslogger_log_file

yara_rule
masslogger_log_file

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:

paymet swift.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Control Panel\International\Geo\Nation	paymet swift.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 15 IoCs

collection

Email Collection

T1114

Processes:

paymet swift.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	paymet swift.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	paymet swift.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	paymet swift.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	paymet swift.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	paymet swift.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	paymet swift.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	paymet swift.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	paymet swift.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	paymet swift.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	paymet swift.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	paymet swift.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	paymet swift.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	paymet swift.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	paymet swift.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	paymet swift.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:

paymet swift.exe

description pid process target process

PID 1860 set thread context of 1728 1860 paymet swift.exe paymet swift.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 1860 set thread context of 1728	1860	paymet swift.exe	paymet swift.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

paymet swift.exepaymet swift.exe

pid	process
1860	paymet swift.exe
1860	paymet swift.exe
1860	paymet swift.exe
1860	paymet swift.exe
1860	paymet swift.exe
1860	paymet swift.exe
1728	paymet swift.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

paymet swift.exepaymet swift.exe

description pid process

Token: SeDebugPrivilege 1860 paymet swift.exe
Token: SeDebugPrivilege 1728 paymet swift.exe

description	pid	process
Token: SeDebugPrivilege	1860	paymet swift.exe
Token: SeDebugPrivilege	1728	paymet swift.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

paymet swift.exe

description	pid	process	target process
PID 1860 wrote to memory of 948	1860	paymet swift.exe	paymet swift.exe
PID 1860 wrote to memory of 948	1860	paymet swift.exe	paymet swift.exe
PID 1860 wrote to memory of 948	1860	paymet swift.exe	paymet swift.exe
PID 1860 wrote to memory of 948	1860	paymet swift.exe	paymet swift.exe
PID 1860 wrote to memory of 904	1860	paymet swift.exe	paymet swift.exe
PID 1860 wrote to memory of 904	1860	paymet swift.exe	paymet swift.exe
PID 1860 wrote to memory of 904	1860	paymet swift.exe	paymet swift.exe
PID 1860 wrote to memory of 904	1860	paymet swift.exe	paymet swift.exe
PID 1860 wrote to memory of 1728	1860	paymet swift.exe	paymet swift.exe
PID 1860 wrote to memory of 1728	1860	paymet swift.exe	paymet swift.exe
PID 1860 wrote to memory of 1728	1860	paymet swift.exe	paymet swift.exe
PID 1860 wrote to memory of 1728	1860	paymet swift.exe	paymet swift.exe
PID 1860 wrote to memory of 1728	1860	paymet swift.exe	paymet swift.exe
PID 1860 wrote to memory of 1728	1860	paymet swift.exe	paymet swift.exe
PID 1860 wrote to memory of 1728	1860	paymet swift.exe	paymet swift.exe
PID 1860 wrote to memory of 1728	1860	paymet swift.exe	paymet swift.exe
PID 1860 wrote to memory of 1728	1860	paymet swift.exe	paymet swift.exe

outlook_office_path 1 IoCs

Processes:

paymet swift.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	paymet swift.exe

outlook_win_path 1 IoCs

Processes:

paymet swift.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	paymet swift.exe

C:\Users\Admin\AppData\Local\Temp\paymet swift.exe
"C:\Users\Admin\AppData\Local\Temp\paymet swift.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1860

C:\Users\Admin\AppData\Local\Temp\paymet swift.exe
"{path}"
2⤵
PID:948

C:\Users\Admin\AppData\Local\Temp\paymet swift.exe
"{path}"
2⤵
PID:904

C:\Users\Admin\AppData\Local\Temp\paymet swift.exe
"{path}"
2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1728

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

memory/1728-64-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1728-65-0x00000000004A2D1E-mapping.dmp

Download
memory/1728-72-0x0000000005085000-0x0000000005096000-memory.dmp

Filesize
68KB

Download
memory/1728-70-0x00000000003B0000-0x00000000003F4000-memory.dmp

Filesize
272KB

Download
memory/1728-69-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1728-59-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1728-67-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1728-63-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1728-60-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1728-62-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1860-54-0x00000000001A0000-0x00000000002B2000-memory.dmp

Filesize
1.1MB

Download
memory/1860-55-0x0000000075E41000-0x0000000075E43000-memory.dmp

Filesize
8KB

Download
memory/1860-58-0x0000000006060000-0x0000000006108000-memory.dmp

Filesize
672KB

Download
memory/1860-57-0x0000000005B30000-0x0000000005BE2000-memory.dmp

Filesize
712KB

Download
memory/1860-56-0x0000000000380000-0x0000000000390000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads