Analysis
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max time kernel
170s -
max time network
183s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 02:41
Static task
static1
Behavioral task
behavioral1
Sample
INVOICE RD-65_xls.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
INVOICE RD-65_xls.exe
Resource
win10v2004-20220414-en
General
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Target
INVOICE RD-65_xls.exe
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Size
836KB
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MD5
edd5bb0a52718d2cdb4eee1fbfdb33dc
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SHA1
fd4c476494adc0e34ef04183042744251d62e2eb
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SHA256
49ced6e317fa96af1310ad10e5b71fea0d84e03b42ff0434f11d312ebb62dbcf
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SHA512
14f31d689be224c715df871415561ff7191fdb4a3272612b9d7a307915f24e45644942b65c76a1c0184e6c4ba4cffd0d3721703023a1d867dac27f3474604465
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\F95B724EDE\Log.txt
masslogger
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
evra12345
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main Payload 32 IoCs
Processes:
resource yara_rule behavioral2/memory/868-135-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-137-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-139-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-141-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-143-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-145-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-147-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-149-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-151-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-153-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-155-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-157-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-159-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-161-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-163-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-165-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-167-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-169-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-171-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-173-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-175-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-177-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-179-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-181-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-183-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-185-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-187-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-189-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-191-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-193-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-195-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral2/memory/868-197-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger -
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
Processes:
yara_rule masslogger_log_file -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
INVOICE RD-65_xls.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation INVOICE RD-65_xls.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 18 IoCs
Processes:
INVOICE RD-65_xls.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE RD-65_xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook INVOICE RD-65_xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook INVOICE RD-65_xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE RD-65_xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE RD-65_xls.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE RD-65_xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE RD-65_xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE RD-65_xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE RD-65_xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook INVOICE RD-65_xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook INVOICE RD-65_xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE RD-65_xls.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE RD-65_xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook INVOICE RD-65_xls.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE RD-65_xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook INVOICE RD-65_xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE RD-65_xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE RD-65_xls.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 35 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
INVOICE RD-65_xls.exedescription pid process target process PID 2660 set thread context of 868 2660 INVOICE RD-65_xls.exe INVOICE RD-65_xls.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
INVOICE RD-65_xls.exepid process 868 INVOICE RD-65_xls.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
Processes:
INVOICE RD-65_xls.exepid process 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe 868 INVOICE RD-65_xls.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
INVOICE RD-65_xls.exedescription pid process Token: SeDebugPrivilege 868 INVOICE RD-65_xls.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
INVOICE RD-65_xls.exepid process 868 INVOICE RD-65_xls.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
INVOICE RD-65_xls.exedescription pid process target process PID 2660 wrote to memory of 868 2660 INVOICE RD-65_xls.exe INVOICE RD-65_xls.exe PID 2660 wrote to memory of 868 2660 INVOICE RD-65_xls.exe INVOICE RD-65_xls.exe PID 2660 wrote to memory of 868 2660 INVOICE RD-65_xls.exe INVOICE RD-65_xls.exe PID 2660 wrote to memory of 868 2660 INVOICE RD-65_xls.exe INVOICE RD-65_xls.exe PID 2660 wrote to memory of 868 2660 INVOICE RD-65_xls.exe INVOICE RD-65_xls.exe PID 2660 wrote to memory of 868 2660 INVOICE RD-65_xls.exe INVOICE RD-65_xls.exe PID 2660 wrote to memory of 868 2660 INVOICE RD-65_xls.exe INVOICE RD-65_xls.exe PID 2660 wrote to memory of 868 2660 INVOICE RD-65_xls.exe INVOICE RD-65_xls.exe -
outlook_office_path 1 IoCs
Processes:
INVOICE RD-65_xls.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE RD-65_xls.exe -
outlook_win_path 1 IoCs
Processes:
INVOICE RD-65_xls.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE RD-65_xls.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\INVOICE RD-65_xls.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE RD-65_xls.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Users\Admin\AppData\Local\Temp\INVOICE RD-65_xls.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:868
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
507B
MD5ab4c71d3ff6255edd4e5c1e09540f49e
SHA122e06bf4e258741b5df918061871cba998c50cea
SHA2561690fec628f775dd3c3385b800eed126b37978ef2ffd592b024052724caafb5a
SHA5128fa7d0045796e6cda7c28e2b9a690ef550619828c1b5d0ebf8e8367aff4bf4d9f63121e5b4f199d30cb8006eb584c6767f4c59150749b8256dab9dd0ebd9f1af