masslogger | 70e44ff219518aa4feb6f11123dc4bf44fc62ad592948d2161bb10af43f97fc5

Analysis

max time kernel
109s
max time network
112s
platform
windows7_x64
resource
win7-20220414-en
submitted
21-05-2022 12:00

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General

Target

payment.exe
Size

824KB
MD5

4da9b1c872a6f439f021f1de649fef0b
SHA1

99e749fb6f278bd3a11aef9061231a60d4d5076e
SHA256

22affc52b0adbdbe156a2f9033829ff188ed56e472db2b545a1c8913641894fe
SHA512

eb8a7f59731316064dcadee08d289d129c2a88d0763709a1f96456308db1487c1566f0a33bcd4c6aac1021363e7b949703d25e32c69eca86581607a5a1113670

Score

10^/10

masslogger collection spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
godswill25

Signatures

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

MassLogger Main Payload 33 IoCs

resource	yara_rule
behavioral1/memory/1312-62-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-63-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-64-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-65-0x00000000004A12CE-mapping.dmp	family_masslogger
behavioral1/memory/1312-67-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-69-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-71-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-73-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-75-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-77-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-79-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-81-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-83-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-85-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-89-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-87-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-91-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-93-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-95-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-97-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-99-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-101-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-103-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-109-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-107-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-105-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-113-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-111-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-115-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-117-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-119-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-121-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1312-123-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger

MassLogger log file 1 IoCs

Detects a log file produced by MassLogger.

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Control Panel\International\Geo\Nation	payment.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

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	payment.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	payment.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	payment.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	payment.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	payment.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	payment.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment.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 1788 set thread context of 1312	1788	payment.exe	28

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1312	payment.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1788	payment.exe
1788	payment.exe
1788	payment.exe
1788	payment.exe
1788	payment.exe
1788	payment.exe
1788	payment.exe
1788	payment.exe
1312	payment.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1788	payment.exe
Token: SeDebugPrivilege	1312	payment.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1312	payment.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 1312	1788	payment.exe	28
PID 1788 wrote to memory of 1312	1788	payment.exe	28
PID 1788 wrote to memory of 1312	1788	payment.exe	28
PID 1788 wrote to memory of 1312	1788	payment.exe	28
PID 1788 wrote to memory of 1312	1788	payment.exe	28
PID 1788 wrote to memory of 1312	1788	payment.exe	28
PID 1788 wrote to memory of 1312	1788	payment.exe	28
PID 1788 wrote to memory of 1312	1788	payment.exe	28
PID 1788 wrote to memory of 1312	1788	payment.exe	28

outlook_office_path 1 IoCs

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

outlook_win_path 1 IoCs

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	payment.exe

C:\Users\Admin\AppData\Local\Temp\payment.exe
"C:\Users\Admin\AppData\Local\Temp\payment.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Users\Admin\AppData\Local\Temp\payment.exe
  "C:\Users\Admin\AppData\Local\Temp\payment.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:1312

Network

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/1312-85-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-62-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-571-0x0000000000830000-0x0000000000874000-memory.dmp

Filesize
272KB

Download
memory/1312-123-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-121-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-87-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-60-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-89-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-63-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-64-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-67-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-69-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-71-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-73-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-75-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-77-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-79-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-81-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-83-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-119-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-117-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-59-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-91-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-93-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-95-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-97-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-99-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-101-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-103-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-109-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-107-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-105-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-113-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-111-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1312-115-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1788-55-0x0000000000700000-0x0000000000708000-memory.dmp

Filesize
32KB

Download
memory/1788-57-0x0000000000A10000-0x0000000000A26000-memory.dmp

Filesize
88KB

Download
memory/1788-58-0x0000000000D40000-0x0000000000D54000-memory.dmp

Filesize
80KB

Download
memory/1788-54-0x0000000000FD0000-0x00000000010A4000-memory.dmp

Filesize
848KB

Download
memory/1788-56-0x0000000004B30000-0x0000000004BDC000-memory.dmp

Filesize
688KB

Download