Analysis
-
max time kernel
113s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 02:08
Static task
static1
Behavioral task
behavioral1
Sample
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe
Resource
win10v2004-20220414-en
General
-
Target
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe
-
Size
1.3MB
-
MD5
4dd93076bfc75f76a248882ac422a31a
-
SHA1
53d904be35b2e8c7de03c20f6e54067046b2ce57
-
SHA256
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816
-
SHA512
11e9f6b84cfd5403424c7da60011581fc591dbbf8d5f8ad02f0d1b920edfc3ed06dec27ba254a57bab3b036e65ab9af5713b3764447ce89cdaca328bfc9024b3
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\19E979543A\Log.txt
masslogger
Extracted
Protocol: smtp- Host:
smtp.yandex.ru - Port:
587 - Username:
[email protected] - Password:
cruizjamesvhjkl@
Signatures
-
MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
-
MassLogger Main Payload 32 IoCs
Processes:
resource yara_rule behavioral2/memory/4372-137-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-139-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-141-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-143-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-145-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-147-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-149-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-151-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-153-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-155-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-157-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-159-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-161-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-163-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-165-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-167-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-169-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-171-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-173-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-175-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-177-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-179-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-181-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-183-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-185-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-187-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-189-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-191-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-193-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-195-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-197-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral2/memory/4372-199-0x0000000000400000-0x00000000004B2000-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 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exef66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.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 18 IoCs
Processes:
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.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 46 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exedescription pid process target process PID 1424 set thread context of 4372 1424 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exef66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exepid process 1424 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe 4372 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exef66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exedescription pid process Token: SeDebugPrivilege 1424 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Token: SeDebugPrivilege 4372 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exedescription pid process target process PID 1424 wrote to memory of 3488 1424 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe schtasks.exe PID 1424 wrote to memory of 3488 1424 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe schtasks.exe PID 1424 wrote to memory of 3488 1424 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe schtasks.exe PID 1424 wrote to memory of 4372 1424 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe PID 1424 wrote to memory of 4372 1424 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe PID 1424 wrote to memory of 4372 1424 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe PID 1424 wrote to memory of 4372 1424 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe PID 1424 wrote to memory of 4372 1424 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe PID 1424 wrote to memory of 4372 1424 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe PID 1424 wrote to memory of 4372 1424 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe PID 1424 wrote to memory of 4372 1424 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe -
outlook_office_path 1 IoCs
Processes:
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe -
outlook_win_path 1 IoCs
Processes:
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe"C:\Users\Admin\AppData\Local\Temp\f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hUwUwo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD39C.tmp"2⤵
- Creates scheduled task(s)
-
C:\Users\Admin\AppData\Local\Temp\f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.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
-
C:\Users\Admin\AppData\Local\Temp\tmpD39C.tmpFilesize
1KB
MD5f110adb6c4fe60af49f8edc13085aacc
SHA1a0d1351a0b1ab97a980f8a6cdbdfd92f3850e5f9
SHA2560d30157ea5bc759453567b6801bdabd62727e59421796aac20a6171e3ba5feb4
SHA5122848f0692ccd58d339d25e64f4bfb13ed6dd213f29a48e1283e86f5e0b66ae4ac699a4f999b5354fe7349a24caa7f360d5c1b13943ea35056fcbc24a406046cf
-
memory/1424-130-0x00000000004B0000-0x00000000005FE000-memory.dmpFilesize
1.3MB
-
memory/1424-131-0x0000000007470000-0x000000000750C000-memory.dmpFilesize
624KB
-
memory/1424-132-0x0000000007510000-0x00000000075A2000-memory.dmpFilesize
584KB
-
memory/1424-133-0x00000000080D0000-0x0000000008674000-memory.dmpFilesize
5.6MB
-
memory/3488-134-0x0000000000000000-mapping.dmp
-
memory/4372-163-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-169-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-139-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-141-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-143-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-145-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-147-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-149-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-151-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-153-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-155-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-157-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-159-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-161-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-136-0x0000000000000000-mapping.dmp
-
memory/4372-165-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-167-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-137-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-171-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-173-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-175-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-177-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-179-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-181-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-183-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-185-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-187-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-189-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-191-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-193-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-195-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-197-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-199-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/4372-654-0x00000000058D0000-0x0000000005936000-memory.dmpFilesize
408KB
-
memory/4372-655-0x00000000070B0000-0x00000000070BA000-memory.dmpFilesize
40KB
-
memory/4372-656-0x00000000070D0000-0x0000000007120000-memory.dmpFilesize
320KB