masslogger | 99d4d18e906e44d3b08aede8237928a7a6866378516bd07695f2bca4fc8a954f

Analysis

max time kernel
123s
max time network
155s
platform
windows7_x64
resource
win7-20220414-en
submitted
21-05-2022 01:22

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General

Target

TECHNICAL SHEET.exe
Size

923KB
MD5

55126f1115a5e05fadd9d0f097273809
SHA1

f95d9e0be8191a2b3657584e5bcab782c1e36882
SHA256

d02c315a42a4a452a9e78011fbcce66f9f53bab788513d1b6f52e8fc70aa9f3c
SHA512

c2a8637b29326c90f1f8c828f7c762d9be203c1192a09f208b79c1d8627f82cd155bb5b5ac8a1ebc27338e7ff502d9f23c9b79a805e6b675afb7cd6f33585bab

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\3B8E3C2477\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 127.0.0.1 Location: United States OS: Microsoft Windows 7 Ultimate 64bit CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 4:03:03 AM MassLogger Started: 5/21/2022 4:02:44 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\TECHNICAL SHEET.exe MassLogger Melt: false MassLogger Exit after delivery: true As Administrator: True Processes:

Extracted

Credentials

Protocol: smtp
Host:
mail.mkontakt.az
Port:
587
Username:
[email protected]
Password:
Onyeoba111

Signatures

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

MassLogger Main Payload 32 IoCs

Processes:

resource	yara_rule
behavioral3/memory/2012-62-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-61-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-63-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-64-0x00000000004ABAAE-mapping.dmp	family_masslogger
behavioral3/memory/2012-66-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-68-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-70-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-72-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-74-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-76-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-78-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-80-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-82-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-84-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-86-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-88-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-90-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-92-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-94-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-96-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-98-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-100-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-102-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-104-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-106-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-108-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-110-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-112-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-114-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-116-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-118-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral3/memory/2012-120-0x0000000000400000-0x00000000004B0000-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:

TECHNICAL SHEET.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation	TECHNICAL SHEET.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:

TECHNICAL SHEET.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TECHNICAL SHEET.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	TECHNICAL SHEET.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	TECHNICAL SHEET.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	TECHNICAL SHEET.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TECHNICAL SHEET.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TECHNICAL SHEET.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TECHNICAL SHEET.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	TECHNICAL SHEET.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TECHNICAL SHEET.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TECHNICAL SHEET.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	TECHNICAL SHEET.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TECHNICAL SHEET.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TECHNICAL SHEET.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	TECHNICAL SHEET.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TECHNICAL SHEET.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:

TECHNICAL SHEET.exe

description pid process target process

PID 868 set thread context of 2012 868 TECHNICAL SHEET.exe TECHNICAL SHEET.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

TECHNICAL SHEET.exe

pid process

2012 TECHNICAL SHEET.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

TECHNICAL SHEET.exe

pid process

2012 TECHNICAL SHEET.exe
2012 TECHNICAL SHEET.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

TECHNICAL SHEET.exe

description pid process

Token: SeDebugPrivilege 2012 TECHNICAL SHEET.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

TECHNICAL SHEET.exe

pid process

2012 TECHNICAL SHEET.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 868 set thread context of 2012	868	TECHNICAL SHEET.exe	TECHNICAL SHEET.exe

pid	process
2012	TECHNICAL SHEET.exe

pid	process
2012	TECHNICAL SHEET.exe
2012	TECHNICAL SHEET.exe

description	pid	process
Token: SeDebugPrivilege	2012	TECHNICAL SHEET.exe

pid	process
2012	TECHNICAL SHEET.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

TECHNICAL SHEET.exe

description	pid	process	target process
PID 868 wrote to memory of 2012	868	TECHNICAL SHEET.exe	TECHNICAL SHEET.exe
PID 868 wrote to memory of 2012	868	TECHNICAL SHEET.exe	TECHNICAL SHEET.exe
PID 868 wrote to memory of 2012	868	TECHNICAL SHEET.exe	TECHNICAL SHEET.exe
PID 868 wrote to memory of 2012	868	TECHNICAL SHEET.exe	TECHNICAL SHEET.exe
PID 868 wrote to memory of 2012	868	TECHNICAL SHEET.exe	TECHNICAL SHEET.exe
PID 868 wrote to memory of 2012	868	TECHNICAL SHEET.exe	TECHNICAL SHEET.exe
PID 868 wrote to memory of 2012	868	TECHNICAL SHEET.exe	TECHNICAL SHEET.exe
PID 868 wrote to memory of 2012	868	TECHNICAL SHEET.exe	TECHNICAL SHEET.exe
PID 868 wrote to memory of 2012	868	TECHNICAL SHEET.exe	TECHNICAL SHEET.exe

outlook_office_path 1 IoCs

Processes:

TECHNICAL SHEET.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TECHNICAL SHEET.exe

outlook_win_path 1 IoCs

Processes:

TECHNICAL SHEET.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TECHNICAL SHEET.exe

C:\Users\Admin\AppData\Local\Temp\TECHNICAL SHEET.exe
"C:\Users\Admin\AppData\Local\Temp\TECHNICAL SHEET.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:868
- C:\Users\Admin\AppData\Local\Temp\TECHNICAL SHEET.exe
  "{path}"
  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:2012

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/868-54-0x0000000001290000-0x000000000137E000-memory.dmp

Filesize
952KB

Download
memory/868-55-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download
memory/868-56-0x00000000003B0000-0x00000000003B8000-memory.dmp

Filesize
32KB

Download
memory/868-57-0x0000000009200000-0x00000000092B8000-memory.dmp

Filesize
736KB

Download
memory/2012-58-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-59-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-62-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-61-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-63-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-64-0x00000000004ABAAE-mapping.dmp

Download
memory/2012-66-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-68-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-70-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-72-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-74-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-76-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-78-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-80-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-82-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-84-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-86-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-88-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-90-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-92-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-94-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-96-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-98-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-100-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-102-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-104-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-106-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-108-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-110-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-112-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-114-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-116-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-118-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-120-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-577-0x00000000006D0000-0x0000000000714000-memory.dmp

Filesize
272KB

Download
memory/2012-579-0x00000000007D5000-0x00000000007E6000-memory.dmp

Filesize
68KB

Download
memory/2012-580-0x0000000000C30000-0x0000000000C44000-memory.dmp

Filesize
80KB

Download