Analysis
-
max time kernel
92s -
max time network
159s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 11:55
Static task
static1
Behavioral task
behavioral1
Sample
Invoice.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Invoice.exe
Resource
win10v2004-20220414-en
General
-
Target
Invoice.exe
-
Size
818KB
-
MD5
922902037e92ce7c5297054a629f1ef5
-
SHA1
59ca48a0edf12bd54e7a7e956e3ded80f75cada5
-
SHA256
37eb096457c5f3b81945f57de1b46674cdd7ccf83714f0bc4c0d982ade2405bd
-
SHA512
ec101fb291b663b9916b9d056e0f10564e12d44c747cd3b5e2f1b93bce07073a0deb1b9e1c041c549d4381a254c2db9c72ce50258fec82e4dfd23faa159ab80e
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\AEF946DCB4\Log.txt
masslogger
Signatures
-
MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
-
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.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation Invoice.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 15 IoCs
Processes:
Invoice.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook Invoice.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Invoice.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook Invoice.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook Invoice.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Invoice.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook Invoice.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.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:
Invoice.exedescription pid process target process PID 1840 set thread context of 240 1840 Invoice.exe Invoice.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
Invoice.exeInvoice.exepid process 1840 Invoice.exe 1840 Invoice.exe 240 Invoice.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Invoice.exeInvoice.exedescription pid process Token: SeDebugPrivilege 1840 Invoice.exe Token: SeDebugPrivilege 240 Invoice.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Invoice.exedescription pid process target process PID 1840 wrote to memory of 240 1840 Invoice.exe Invoice.exe PID 1840 wrote to memory of 240 1840 Invoice.exe Invoice.exe PID 1840 wrote to memory of 240 1840 Invoice.exe Invoice.exe PID 1840 wrote to memory of 240 1840 Invoice.exe Invoice.exe PID 1840 wrote to memory of 240 1840 Invoice.exe Invoice.exe PID 1840 wrote to memory of 240 1840 Invoice.exe Invoice.exe PID 1840 wrote to memory of 240 1840 Invoice.exe Invoice.exe PID 1840 wrote to memory of 240 1840 Invoice.exe Invoice.exe PID 1840 wrote to memory of 240 1840 Invoice.exe Invoice.exe -
outlook_office_path 1 IoCs
Processes:
Invoice.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe -
outlook_win_path 1 IoCs
Processes:
Invoice.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Invoice.exe"{path}"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/240-69-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
-
memory/240-60-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
-
memory/240-73-0x0000000004A95000-0x0000000004AA6000-memory.dmpFilesize
68KB
-
memory/240-72-0x0000000000690000-0x00000000006A4000-memory.dmpFilesize
80KB
-
memory/240-63-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
-
memory/240-59-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
-
memory/240-70-0x0000000000840000-0x0000000000884000-memory.dmpFilesize
272KB
-
memory/240-62-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
-
memory/240-67-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
-
memory/240-64-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
-
memory/240-65-0x0000000000489A0E-mapping.dmp
-
memory/1840-58-0x0000000005730000-0x00000000057BE000-memory.dmpFilesize
568KB
-
memory/1840-54-0x0000000000CF0000-0x0000000000DC2000-memory.dmpFilesize
840KB
-
memory/1840-55-0x00000000751C1000-0x00000000751C3000-memory.dmpFilesize
8KB
-
memory/1840-57-0x00000000052C0000-0x0000000005356000-memory.dmpFilesize
600KB
-
memory/1840-56-0x00000000003E0000-0x00000000003F0000-memory.dmpFilesize
64KB