masslogger | ee6e83dfe95c0dad3b4b307c81e5e590e455e49dca6858a34e274e88e079944f

Analysis

max time kernel
96s
max time network
99s
platform
windows7_x64
resource
win7-20220414-en
submitted
21-05-2022 18:54

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General

Target

Company profile.exe
Size

716KB
MD5

16f704634dd7855cf929214dfaeaa9e8
SHA1

e7af55b75a431c30265b7a63162611c44cfef296
SHA256

e4e29eef439bf36287f9dc660155697cc2d227fbccd34d95a8b59c5451ba5287
SHA512

8472440832759e87529151606aecc9cf4696f51c32cf4b9d6b338283bc6c937b0755dd945faa73baf36df1786030042a97883178f0d50db1fa57d160b12761a9

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/1692-63-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-64-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-65-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-66-0x00000000004A15EE-mapping.dmp	family_masslogger
behavioral1/memory/1692-68-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-70-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-72-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-74-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-76-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-78-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-80-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-82-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-84-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-86-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-88-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-90-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-92-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-94-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-96-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-98-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-100-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-102-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-104-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-106-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-108-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-110-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-112-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-114-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-116-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-118-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-120-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/1692-122-0x0000000000400000-0x00000000004A6000-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	Company profile.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-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Company profile.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Company profile.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Company profile.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Company profile.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Company profile.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Company profile.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Company profile.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Company profile.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Company profile.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Company profile.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Company profile.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Company profile.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Company profile.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Company profile.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Company profile.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 2040 set thread context of 1692	2040	Company profile.exe	28

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1692	Company profile.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2040	Company profile.exe
2040	Company profile.exe
2040	Company profile.exe
2040	Company profile.exe
2040	Company profile.exe
2040	Company profile.exe
2040	Company profile.exe
2040	Company profile.exe
1692	Company profile.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2040	Company profile.exe
Token: SeDebugPrivilege	1692	Company profile.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1692	Company profile.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 1692	2040	Company profile.exe	28
PID 2040 wrote to memory of 1692	2040	Company profile.exe	28
PID 2040 wrote to memory of 1692	2040	Company profile.exe	28
PID 2040 wrote to memory of 1692	2040	Company profile.exe	28
PID 2040 wrote to memory of 1692	2040	Company profile.exe	28
PID 2040 wrote to memory of 1692	2040	Company profile.exe	28
PID 2040 wrote to memory of 1692	2040	Company profile.exe	28
PID 2040 wrote to memory of 1692	2040	Company profile.exe	28
PID 2040 wrote to memory of 1692	2040	Company profile.exe	28

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	Company profile.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	Company profile.exe

C:\Users\Admin\AppData\Local\Temp\Company profile.exe
"C:\Users\Admin\AppData\Local\Temp\Company profile.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Local\Temp\Company profile.exe
  "C:\Users\Admin\AppData\Local\Temp\Company profile.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:1692

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/1692-84-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-61-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-572-0x0000000004590000-0x00000000045D4000-memory.dmp

Filesize
272KB

Download
memory/1692-122-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-120-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-88-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-60-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-86-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-63-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-64-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-65-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-68-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-70-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-72-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-74-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-76-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-78-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-80-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-82-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-118-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-116-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-114-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-90-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-92-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-94-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-96-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-98-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-100-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-102-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-104-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-106-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-108-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-110-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1692-112-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-59-0x0000000000520000-0x0000000000532000-memory.dmp

Filesize
72KB

Download
memory/2040-55-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/2040-57-0x0000000000E30000-0x0000000000ED2000-memory.dmp

Filesize
648KB

Download
memory/2040-58-0x0000000000490000-0x00000000004A6000-memory.dmp

Filesize
88KB

Download
memory/2040-54-0x0000000000ED0000-0x0000000000F8A000-memory.dmp

Filesize
744KB

Download
memory/2040-56-0x0000000000470000-0x0000000000478000-memory.dmp

Filesize
32KB

Download