masslogger | 973e9c558b26e4bb676d335b553923fea026b9af1e2f7ac28a304c6c5a8c1857

Analysis

max time kernel
86s
max time network
79s
platform
windows7_x64
resource
win7-20220414-en
submitted
21-05-2022 00:05

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General

Target

NEWSC9 28TH PO.exe
Size

1020KB
MD5

b543a797b74341bf5d8f52b04e7a3141
SHA1

d2b67094fc02aa9f70c7e6c015be86797e38d5f0
SHA256

2467434b0ac840b5f4dfa8ac3bc14ac9ee6004e7b71bfd3303ab62b6345f0c62
SHA512

74dcf634733c2841715e094868e1b651faf962e242591dc35a6a60428d12c2931a93ce82ac4c556158850ce22dd117bddf6f53f46487ad442359535453448bcd

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note

<|| v2.2.0.0 ||> User Name: Admin IP: 127.0.0.1 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 2:13:56 AM MassLogger Started: 5/21/2022 2:13:33 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\NEWSC9 28TH PO.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> Disabled <|| Downloader ||> Disabled <|| Window Searcher ||> Disabled <|| Bot Killer ||> Disabled <|| Search And Upload ||> Disabled <|| Telegram Desktop ||> Not Installed <|| Pidgin ||> Not Installed <|| FileZilla ||> Not Installed <|| Discord Tokken ||> Not Installed <|| NordVPN ||> Not Installed <|| Outlook ||> Not Installed <|| FoxMail ||> Not Installed <|| Thunderbird ||> Not Installed <|| FireFox ||> Not Found <|| QQ Browser ||> Not Installed <|| Chromium Recovery ||> Not Installed or Not Found <|| Keylogger And Clipboard ||> NA

Signatures

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware 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-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation	NEWSC9 28TH PO.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 35 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	NEWSC9 28TH PO.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	NEWSC9 28TH PO.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	NEWSC9 28TH PO.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	NEWSC9 28TH PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	NEWSC9 28TH PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	NEWSC9 28TH PO.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	NEWSC9 28TH PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	NEWSC9 28TH PO.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	NEWSC9 28TH PO.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	NEWSC9 28TH PO.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	NEWSC9 28TH PO.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	NEWSC9 28TH PO.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	NEWSC9 28TH PO.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	NEWSC9 28TH PO.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1824 set thread context of 1992	1824	NEWSC9 28TH PO.exe	28

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1992	NEWSC9 28TH PO.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1824	NEWSC9 28TH PO.exe
1824	NEWSC9 28TH PO.exe
1992	NEWSC9 28TH PO.exe
1992	NEWSC9 28TH PO.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1824	NEWSC9 28TH PO.exe
Token: SeDebugPrivilege	1992	NEWSC9 28TH PO.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1992	NEWSC9 28TH PO.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 1992	1824	NEWSC9 28TH PO.exe	28
PID 1824 wrote to memory of 1992	1824	NEWSC9 28TH PO.exe	28
PID 1824 wrote to memory of 1992	1824	NEWSC9 28TH PO.exe	28
PID 1824 wrote to memory of 1992	1824	NEWSC9 28TH PO.exe	28
PID 1824 wrote to memory of 1992	1824	NEWSC9 28TH PO.exe	28
PID 1824 wrote to memory of 1992	1824	NEWSC9 28TH PO.exe	28
PID 1824 wrote to memory of 1992	1824	NEWSC9 28TH PO.exe	28
PID 1824 wrote to memory of 1992	1824	NEWSC9 28TH PO.exe	28
PID 1824 wrote to memory of 1992	1824	NEWSC9 28TH PO.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEWSC9 28TH PO.exe

outlook_win_path 1 IoCs

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	NEWSC9 28TH PO.exe

C:\Users\Admin\AppData\Local\Temp\NEWSC9 28TH PO.exe
"C:\Users\Admin\AppData\Local\Temp\NEWSC9 28TH PO.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Users\Admin\AppData\Local\Temp\NEWSC9 28TH PO.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:1992

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/1824-54-0x0000000000D00000-0x0000000000E04000-memory.dmp

Filesize
1.0MB

Download
memory/1824-55-0x0000000076C81000-0x0000000076C83000-memory.dmp

Filesize
8KB

Download
memory/1824-56-0x0000000000370000-0x0000000000378000-memory.dmp

Filesize
32KB

Download
memory/1824-57-0x0000000008120000-0x00000000081F0000-memory.dmp

Filesize
832KB

Download
memory/1824-58-0x0000000007CC0000-0x0000000007D8E000-memory.dmp

Filesize
824KB

Download
memory/1992-59-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/1992-60-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/1992-62-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/1992-63-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/1992-64-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/1992-67-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/1992-69-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/1992-70-0x0000000000C20000-0x0000000000C98000-memory.dmp

Filesize
480KB

Download
memory/1992-72-0x0000000004EB5000-0x0000000004EC6000-memory.dmp

Filesize
68KB

Download
memory/1992-73-0x0000000000800000-0x0000000000814000-memory.dmp

Filesize
80KB

Download