masslogger | 4102f72a2cb12da9f7cf539116f1922a6d2903440ec0f37ffe6bb03e784e6d29

Analysis

max time kernel
95s
max time network
99s
platform
windows7_x64
resource
win7-20220414-en
submitted
21/05/2022, 12:26

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General

Target

Payment-Slip.exe
Size

736KB
MD5

807cdf0fcf81b3a1543af2c2e35936dc
SHA1

2b30620e6a457368da61cdf0ea03c2aa00334c89
SHA256

1f1fd376897aa8454ec652f9927eecb50a0993a13aed6f6beb656c865291d565
SHA512

79035da50e11b459c0023aa7048587ae82f7e3d9e156d8bcb1b9cb76ceec8d70a58b8971705c33adf42a7c45c804ff69c54b467dcef570d1455cc3ae9da0358b

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 32 IoCs

resource	yara_rule
behavioral1/memory/2024-63-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-64-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-65-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-66-0x00000000004A15EE-mapping.dmp	family_masslogger
behavioral1/memory/2024-68-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-70-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-72-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-74-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-76-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-78-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-80-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-82-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-84-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-86-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-88-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-90-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-92-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-94-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-96-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-98-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-100-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-102-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-104-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-106-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-108-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-110-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-112-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-114-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-116-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-118-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-120-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2024-122-0x0000000000400000-0x00000000004A6000-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-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation	Payment-Slip.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 created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Payment-Slip.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment-Slip.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Payment-Slip.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Payment-Slip.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Payment-Slip.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment-Slip.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment-Slip.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Payment-Slip.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment-Slip.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment-Slip.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Payment-Slip.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment-Slip.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment-Slip.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment-Slip.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment-Slip.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 868 set thread context of 2024	868	Payment-Slip.exe	29

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2024	Payment-Slip.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
868	Payment-Slip.exe
868	Payment-Slip.exe
868	Payment-Slip.exe
868	Payment-Slip.exe
868	Payment-Slip.exe
868	Payment-Slip.exe
868	Payment-Slip.exe
868	Payment-Slip.exe
2024	Payment-Slip.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	868	Payment-Slip.exe
Token: SeDebugPrivilege	2024	Payment-Slip.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2024	Payment-Slip.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 2024	868	Payment-Slip.exe	29
PID 868 wrote to memory of 2024	868	Payment-Slip.exe	29
PID 868 wrote to memory of 2024	868	Payment-Slip.exe	29
PID 868 wrote to memory of 2024	868	Payment-Slip.exe	29
PID 868 wrote to memory of 2024	868	Payment-Slip.exe	29
PID 868 wrote to memory of 2024	868	Payment-Slip.exe	29
PID 868 wrote to memory of 2024	868	Payment-Slip.exe	29
PID 868 wrote to memory of 2024	868	Payment-Slip.exe	29
PID 868 wrote to memory of 2024	868	Payment-Slip.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment-Slip.exe

outlook_win_path 1 IoCs

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	Payment-Slip.exe

C:\Users\Admin\AppData\Local\Temp\Payment-Slip.exe
"C:\Users\Admin\AppData\Local\Temp\Payment-Slip.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:868
- C:\Users\Admin\AppData\Local\Temp\Payment-Slip.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment-Slip.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:2024

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/868-54-0x0000000000B10000-0x0000000000BCE000-memory.dmp

Filesize
760KB

Download
memory/868-55-0x0000000076421000-0x0000000076423000-memory.dmp

Filesize
8KB

Download
memory/868-56-0x0000000000310000-0x0000000000318000-memory.dmp

Filesize
32KB

Download
memory/868-57-0x0000000004200000-0x00000000042A2000-memory.dmp

Filesize
648KB

Download
memory/868-58-0x0000000000350000-0x0000000000366000-memory.dmp

Filesize
88KB

Download
memory/868-59-0x00000000003F0000-0x0000000000402000-memory.dmp

Filesize
72KB

Download
memory/2024-60-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-61-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-63-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-64-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-65-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-68-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-70-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-72-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-74-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-76-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-78-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-80-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-82-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-84-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-86-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-88-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-90-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-92-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-94-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-96-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-98-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-100-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-102-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-104-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-106-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-108-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-110-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-112-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-114-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-116-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-118-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-120-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-122-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2024-572-0x0000000002260000-0x00000000022A4000-memory.dmp

Filesize
272KB

Download