masslogger | 81be7092464217c3f6d3ad926648b171526288c02ef0414d0f624246418f4fd7

Analysis

max time kernel
98s
max time network
101s
platform
windows7_x64
resource
win7-20220414-en
submitted
21-05-2022 18:55

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General

Target

RFQ NO. 4400008663.exe
Size

720KB
MD5

dc26f87b2a4b65908a89673d1a4bf4d3
SHA1

fe9c81cafac65c5b78a8b6fd629f7d69ed1f2f05
SHA256

ff6459ca52183c69be1ef1764b9a1cd4c3436d2713483bf5ad219d2bff0d439e
SHA512

3218d19985bd0c4cde21f1bf06d881016e9471c1e9ebe935709e3c493d3c9517a5232d8791152195aff7ab81182efe0434c824b85e364e30a5ffa6a519851b6b

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/1924-64-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-63-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-66-0x00000000004A15EE-mapping.dmp	family_masslogger
behavioral1/memory/1924-65-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-70-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-68-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-72-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-74-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-76-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-78-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-80-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-82-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-84-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-86-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-88-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-90-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-92-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-96-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-98-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-94-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-104-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-102-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-100-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-106-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-108-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-114-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-112-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-110-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-116-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-118-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-120-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1924-122-0x0000000000400000-0x00000000004A6000-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-1-5-21-790309383-526510583-3802439154-1000\Control Panel\International\Geo\Nation	RFQ NO. 4400008663.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 opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ NO. 4400008663.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ NO. 4400008663.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ NO. 4400008663.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	RFQ NO. 4400008663.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	RFQ NO. 4400008663.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ NO. 4400008663.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ NO. 4400008663.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ NO. 4400008663.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ NO. 4400008663.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	RFQ NO. 4400008663.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ NO. 4400008663.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	RFQ NO. 4400008663.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	RFQ NO. 4400008663.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	RFQ NO. 4400008663.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ NO. 4400008663.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 1708 set thread context of 1924	1708	RFQ NO. 4400008663.exe	28

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1924	RFQ NO. 4400008663.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1708	RFQ NO. 4400008663.exe
1708	RFQ NO. 4400008663.exe
1708	RFQ NO. 4400008663.exe
1708	RFQ NO. 4400008663.exe
1708	RFQ NO. 4400008663.exe
1708	RFQ NO. 4400008663.exe
1708	RFQ NO. 4400008663.exe
1708	RFQ NO. 4400008663.exe
1924	RFQ NO. 4400008663.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1708	RFQ NO. 4400008663.exe
Token: SeDebugPrivilege	1924	RFQ NO. 4400008663.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1924	RFQ NO. 4400008663.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 1924	1708	RFQ NO. 4400008663.exe	28
PID 1708 wrote to memory of 1924	1708	RFQ NO. 4400008663.exe	28
PID 1708 wrote to memory of 1924	1708	RFQ NO. 4400008663.exe	28
PID 1708 wrote to memory of 1924	1708	RFQ NO. 4400008663.exe	28
PID 1708 wrote to memory of 1924	1708	RFQ NO. 4400008663.exe	28
PID 1708 wrote to memory of 1924	1708	RFQ NO. 4400008663.exe	28
PID 1708 wrote to memory of 1924	1708	RFQ NO. 4400008663.exe	28
PID 1708 wrote to memory of 1924	1708	RFQ NO. 4400008663.exe	28
PID 1708 wrote to memory of 1924	1708	RFQ NO. 4400008663.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	RFQ NO. 4400008663.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	RFQ NO. 4400008663.exe

C:\Users\Admin\AppData\Local\Temp\RFQ NO. 4400008663.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ NO. 4400008663.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Users\Admin\AppData\Local\Temp\RFQ NO. 4400008663.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ NO. 4400008663.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:1924

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/1708-54-0x0000000000A30000-0x0000000000AEA000-memory.dmp

Filesize
744KB

Download
memory/1708-55-0x00000000758D1000-0x00000000758D3000-memory.dmp

Filesize
8KB

Download
memory/1708-56-0x0000000000580000-0x0000000000588000-memory.dmp

Filesize
32KB

Download
memory/1708-57-0x0000000004880000-0x0000000004922000-memory.dmp

Filesize
648KB

Download
memory/1708-58-0x0000000000620000-0x0000000000636000-memory.dmp

Filesize
88KB

Download
memory/1708-59-0x00000000009E0000-0x00000000009F2000-memory.dmp

Filesize
72KB

Download
memory/1924-60-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-61-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-64-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-63-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-65-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-70-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-68-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-72-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-74-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-76-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-78-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-80-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-82-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-84-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-86-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-88-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-90-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-92-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-96-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-98-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-94-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-104-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-102-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-100-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-106-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-108-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-114-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-112-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-110-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-116-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-118-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-120-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-122-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1924-572-0x0000000004570000-0x00000000045B4000-memory.dmp

Filesize
272KB

Download