masslogger | 48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f

General

Target

48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
Size

730KB
MD5

2de9afcc1fbcca2ec17df764daad2ec4
SHA1

7e0f715ef2f1a54de703c784ac1889707c1749e5
SHA256

48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f
SHA512

7046c17deae26114c1325cbf30cfb8e10f0c291c8b0d3253101ce33b04ad5e81b0100828ffa29f255288fbe6137de12ed799f185cd554f3afc4e916c7a23fce6

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: 5/16/2022 2:40:35 PM MassLogger Started: 5/16/2022 2:40:25 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
@Mexico1.,

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:

48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.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:

48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.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

flow	ioc
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe

description	pid	process	target process
PID 1800 set thread context of 1992	1800	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1252 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe

pid process

1992 48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe

pid	process
1252	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe

pid	process
1992	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
1992	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe

description pid process

Token: SeDebugPrivilege 1992 48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe

pid process

1992 48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe

description	pid	process
Token: SeDebugPrivilege	1992	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe

description	pid	process	target process
PID 1800 wrote to memory of 1252	1800	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe	schtasks.exe
PID 1800 wrote to memory of 1252	1800	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe	schtasks.exe
PID 1800 wrote to memory of 1252	1800	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe	schtasks.exe
PID 1800 wrote to memory of 1252	1800	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe	schtasks.exe
PID 1800 wrote to memory of 1992	1800	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
PID 1800 wrote to memory of 1992	1800	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
PID 1800 wrote to memory of 1992	1800	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
PID 1800 wrote to memory of 1992	1800	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
PID 1800 wrote to memory of 1992	1800	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
PID 1800 wrote to memory of 1992	1800	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
PID 1800 wrote to memory of 1992	1800	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
PID 1800 wrote to memory of 1992	1800	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
PID 1800 wrote to memory of 1992	1800	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe

outlook_office_path 1 IoCs

Processes:

48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.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	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe

outlook_win_path 1 IoCs

Processes:

48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.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	48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe

C:\Users\Admin\AppData\Local\Temp\48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe
"C:\Users\Admin\AppData\Local\Temp\48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1800

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tLXEQKAnq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp54E5.tmp"
2⤵
- Creates scheduled task(s)
PID:1252

C:\Users\Admin\AppData\Local\Temp\48d9cb77f8ed388bfccf2d12b6f10f60c69d14b8559f5d545d31e443635e465f.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

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp54E5.tmp

Filesize
1KB

MD5
9bd04b2855eecc3fc36cdd3de8b2bb6a

SHA1
ad7ff68d785d91f068b4948cd29c1a7c111d5837

SHA256
761dbfc66cca689f58278db361a694457140534031bb439531ffabcd3eb99c6c

SHA512
ace63daafe6a8269cc0f554b2a3ec080b355f5d3a70faeb28ac4b66c27c987d1357886276feb7a345ed348d5b2a4351092264dd252595c3395ac3e166524bc0c

Download Submit
memory/1252-58-0x0000000000000000-mapping.dmp

Download
memory/1800-54-0x0000000000D00000-0x0000000000DBC000-memory.dmp

Filesize
752KB

Download
memory/1800-55-0x0000000075C71000-0x0000000075C73000-memory.dmp

Filesize
8KB

Download
memory/1800-56-0x00000000003E0000-0x00000000003F0000-memory.dmp

Filesize
64KB

Download
memory/1800-57-0x0000000000940000-0x00000000009D6000-memory.dmp

Filesize
600KB

Download
memory/1992-64-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1992-61-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1992-60-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1992-66-0x000000000048979E-mapping.dmp

Download
memory/1992-65-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1992-63-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1992-68-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1992-70-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1992-71-0x0000000000640000-0x0000000000684000-memory.dmp

Filesize
272KB

Download
memory/1992-73-0x0000000000AB0000-0x0000000000AC4000-memory.dmp

Filesize
80KB

Download
memory/1992-74-0x0000000004A95000-0x0000000004AA6000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads