masslogger | 2cd2395322ceb66f04741314be8723d98810145e80e9a6a619eba94590cb8fc1

General

Target

PO46221905.exe
Size

841KB
MD5

6de2607d6b582340ac160517edd8feb9
SHA1

ae820bd10915292a37a5d927147138c4a92e7a8b
SHA256

0ce85115b26d769cc29342f77c359fc2177d325e5394154fdc700ea644f69971
SHA512

cd8997e25192e83d4d815066355933d4c31df96e47f3214b620e9d9ddb5aee7e132e101473e7d1b2eda83831f5c1f0ed0392d8e79455cf08022cbf55660c8126

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\8506BBE7FF\Log.txt

Family

masslogger

Ransom Note

<|| v2.4.0.0 ||> User Name: Admin IP: 154.61.71.13 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 3:03:16 AM MassLogger Started: 5/21/2022 3:03:00 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO46221905.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Window Searcher ||> Disabled <|| Downloader ||> 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 Main Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1364-62-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/1364-61-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/1364-63-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/1364-66-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/1364-64-0x00000000004B33FE-mapping.dmp	family_masslogger
behavioral1/memory/1364-68-0x0000000000400000-0x00000000004B8000-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:

PO46221905.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Control Panel\International\Geo\Nation	PO46221905.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

Processes:

PO46221905.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	PO46221905.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	PO46221905.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PO46221905.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PO46221905.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PO46221905.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	PO46221905.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	PO46221905.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PO46221905.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PO46221905.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	PO46221905.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	PO46221905.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	PO46221905.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PO46221905.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	PO46221905.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.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:

PO46221905.exe

description pid process target process

PID 2000 set thread context of 1364 2000 PO46221905.exe PO46221905.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

PO46221905.exe

pid process

1364 PO46221905.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

PO46221905.exePO46221905.exe

pid process

2000 PO46221905.exe
2000 PO46221905.exe
2000 PO46221905.exe
2000 PO46221905.exe
2000 PO46221905.exe
1364 PO46221905.exe
1364 PO46221905.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO46221905.exePO46221905.exe

description pid process

Token: SeDebugPrivilege 2000 PO46221905.exe
Token: SeDebugPrivilege 1364 PO46221905.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PO46221905.exe

pid process

1364 PO46221905.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 2000 set thread context of 1364	2000	PO46221905.exe	PO46221905.exe

pid	process
1364	PO46221905.exe

pid	process
2000	PO46221905.exe
2000	PO46221905.exe
2000	PO46221905.exe
2000	PO46221905.exe
2000	PO46221905.exe
1364	PO46221905.exe
1364	PO46221905.exe

description	pid	process
Token: SeDebugPrivilege	2000	PO46221905.exe
Token: SeDebugPrivilege	1364	PO46221905.exe

pid	process
1364	PO46221905.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PO46221905.exe

description	pid	process	target process
PID 2000 wrote to memory of 1356	2000	PO46221905.exe	PO46221905.exe
PID 2000 wrote to memory of 1356	2000	PO46221905.exe	PO46221905.exe
PID 2000 wrote to memory of 1356	2000	PO46221905.exe	PO46221905.exe
PID 2000 wrote to memory of 1356	2000	PO46221905.exe	PO46221905.exe
PID 2000 wrote to memory of 1364	2000	PO46221905.exe	PO46221905.exe
PID 2000 wrote to memory of 1364	2000	PO46221905.exe	PO46221905.exe
PID 2000 wrote to memory of 1364	2000	PO46221905.exe	PO46221905.exe
PID 2000 wrote to memory of 1364	2000	PO46221905.exe	PO46221905.exe
PID 2000 wrote to memory of 1364	2000	PO46221905.exe	PO46221905.exe
PID 2000 wrote to memory of 1364	2000	PO46221905.exe	PO46221905.exe
PID 2000 wrote to memory of 1364	2000	PO46221905.exe	PO46221905.exe
PID 2000 wrote to memory of 1364	2000	PO46221905.exe	PO46221905.exe
PID 2000 wrote to memory of 1364	2000	PO46221905.exe	PO46221905.exe

outlook_office_path 1 IoCs

Processes:

PO46221905.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO46221905.exe

outlook_win_path 1 IoCs

Processes:

PO46221905.exe

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	PO46221905.exe

C:\Users\Admin\AppData\Local\Temp\PO46221905.exe
"C:\Users\Admin\AppData\Local\Temp\PO46221905.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Users\Admin\AppData\Local\Temp\PO46221905.exe
  "{path}"
  2⤵
  PID:1356
- C:\Users\Admin\AppData\Local\Temp\PO46221905.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:1364

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1364-66-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1364-63-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1364-71-0x0000000000BD5000-0x0000000000BE6000-memory.dmp

Filesize
68KB

Download
memory/1364-70-0x0000000075221000-0x0000000075223000-memory.dmp

Filesize
8KB

Download
memory/1364-58-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1364-59-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1364-69-0x0000000000CC0000-0x0000000000D38000-memory.dmp

Filesize
480KB

Download
memory/1364-61-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1364-62-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1364-68-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1364-64-0x00000000004B33FE-mapping.dmp

Download
memory/2000-54-0x0000000000EE0000-0x0000000000FB8000-memory.dmp

Filesize
864KB

Download
memory/2000-55-0x00000000001F0000-0x00000000001FA000-memory.dmp

Filesize
40KB

Download
memory/2000-57-0x0000000009240000-0x00000000092F8000-memory.dmp

Filesize
736KB

Download
memory/2000-56-0x00000000058C0000-0x000000000596E000-memory.dmp

Filesize
696KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads