masslogger | 489ae1a9d05b37aea42d41aa3ab90a3e4ce2e68da44227feb8910e71509088c9

General

Target

Bank Account Details.exe
Size

703KB
MD5

c43a7628f89146f64b7465f23405c044
SHA1

09db7a9f63f0cea8fa6c3474e38d94212640cf97
SHA256

aa2909aa6100453e8a83116a0c51a3ff2a1556063587c0ded38f45dbfa748d28
SHA512

6a0975c5639ecf5ccab23ea1b8fb3eca82ac1f1fd7cd0bf650af0ff9e8fadaf08501c912032fc3a6a13dfe0df0b42a993d0a661c8ecc489391106c6d094b1f04

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\79FE0CC911\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v2.0.0.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 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 12:51:07 AM MassLogger Started: 5/21/2022 12:50:56 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Bank Account Details.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
daxwfolpiyesmfhd

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.

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:

Bank Account Details.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation	Bank Account Details.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:

Bank Account Details.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bank Account Details.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bank Account Details.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bank Account Details.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Bank Account Details.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bank Account Details.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Bank Account Details.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Bank Account Details.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bank Account Details.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Bank Account Details.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bank Account Details.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bank Account Details.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Bank Account Details.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bank Account Details.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Bank Account Details.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bank Account Details.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

3 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Bank Account Details.exe

description pid process target process

PID 1488 set thread context of 1896 1488 Bank Account Details.exe Bank Account Details.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

Bank Account Details.exe

pid process

1896 Bank Account Details.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Bank Account Details.exe

pid process

1896 Bank Account Details.exe
1896 Bank Account Details.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Bank Account Details.exe

description pid process

Token: SeDebugPrivilege 1896 Bank Account Details.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Bank Account Details.exe

pid process

1896 Bank Account Details.exe

flow	ioc
3	api.ipify.org

description	pid	process	target process
PID 1488 set thread context of 1896	1488	Bank Account Details.exe	Bank Account Details.exe

pid	process
1896	Bank Account Details.exe

pid	process
1896	Bank Account Details.exe
1896	Bank Account Details.exe

description	pid	process
Token: SeDebugPrivilege	1896	Bank Account Details.exe

pid	process
1896	Bank Account Details.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Bank Account Details.exe

description	pid	process	target process
PID 1488 wrote to memory of 1896	1488	Bank Account Details.exe	Bank Account Details.exe
PID 1488 wrote to memory of 1896	1488	Bank Account Details.exe	Bank Account Details.exe
PID 1488 wrote to memory of 1896	1488	Bank Account Details.exe	Bank Account Details.exe
PID 1488 wrote to memory of 1896	1488	Bank Account Details.exe	Bank Account Details.exe
PID 1488 wrote to memory of 1896	1488	Bank Account Details.exe	Bank Account Details.exe
PID 1488 wrote to memory of 1896	1488	Bank Account Details.exe	Bank Account Details.exe
PID 1488 wrote to memory of 1896	1488	Bank Account Details.exe	Bank Account Details.exe
PID 1488 wrote to memory of 1896	1488	Bank Account Details.exe	Bank Account Details.exe
PID 1488 wrote to memory of 1896	1488	Bank Account Details.exe	Bank Account Details.exe

outlook_office_path 1 IoCs

Processes:

Bank Account Details.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bank Account Details.exe

outlook_win_path 1 IoCs

Processes:

Bank Account Details.exe

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	Bank Account Details.exe

C:\Users\Admin\AppData\Local\Temp\Bank Account Details.exe
"C:\Users\Admin\AppData\Local\Temp\Bank Account Details.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1488

C:\Users\Admin\AppData\Local\Temp\Bank Account Details.exe
"C:\Users\Admin\AppData\Local\Temp\Bank Account Details.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:1896

Network

MITRE ATT&CK Matrix ATT&CK 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

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/1488-54-0x0000000000C40000-0x0000000000CF4000-memory.dmp

Filesize
720KB

Download
memory/1488-55-0x0000000000550000-0x00000000005CA000-memory.dmp

Filesize
488KB

Download
memory/1488-56-0x0000000000B30000-0x0000000000BBE000-memory.dmp

Filesize
568KB

Download
memory/1896-57-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1896-58-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1896-60-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1896-61-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1896-62-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1896-63-0x000000000048929E-mapping.dmp

Download
memory/1896-65-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1896-67-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1896-68-0x0000000000530000-0x0000000000574000-memory.dmp

Filesize
272KB

Download
memory/1896-69-0x0000000075271000-0x0000000075273000-memory.dmp

Filesize
8KB

Download
memory/1896-70-0x0000000000860000-0x0000000000874000-memory.dmp

Filesize
80KB

Download
memory/1896-71-0x0000000004995000-0x00000000049A6000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads