Analysis
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max time kernel
151s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
12-06-2023 07:16
Static task
static1
Behavioral task
behavioral1
Sample
e37fb378417b8fc6a9871251030b3294fedecf4608d528f4cfddac6a8005f164.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
e37fb378417b8fc6a9871251030b3294fedecf4608d528f4cfddac6a8005f164.exe
Resource
win10v2004-20230220-en
General
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Target
e37fb378417b8fc6a9871251030b3294fedecf4608d528f4cfddac6a8005f164.exe
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Size
946KB
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MD5
7d7b37ae6ef1219f3094f2cf6206d29a
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SHA1
54fa5fd704ad0d67d27ae163d752fac1cc1c95be
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SHA256
e37fb378417b8fc6a9871251030b3294fedecf4608d528f4cfddac6a8005f164
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SHA512
b6357a18ebaa24c036f1e7cc6a37923a1b732531d20b47f4be88af983a744d8cd19e9e5d9d081c2f39735fc37c0734b28f9fae6deac2d0587d9bf9d6dedb5acc
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SSDEEP
24576:/1s40GUw9hXVWvcvocIGEUYbC/B391IbV4:/b0o9CIp2bC/B39kV4
Malware Config
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 5 IoCs
resource yara_rule behavioral2/memory/1536-152-0x0000000000400000-0x0000000000541000-memory.dmp family_masslogger behavioral2/memory/1536-155-0x0000000000BB0000-0x0000000000C4A000-memory.dmp family_masslogger behavioral2/memory/1536-156-0x0000000000BB0000-0x0000000000C4A000-memory.dmp family_masslogger behavioral2/memory/1536-158-0x0000000000400000-0x0000000000541000-memory.dmp family_masslogger behavioral2/memory/1536-175-0x0000000000400000-0x0000000000541000-memory.dmp family_masslogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation fgfkjsh.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.vbs notepad.exe -
Executes dropped EXE 3 IoCs
pid Process 1804 fgfkjsh.exe 1536 fgfkjsh.exe 1428 fgfkjsh.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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resource yara_rule behavioral2/memory/1536-146-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/1536-150-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/1536-152-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/1536-158-0x0000000000400000-0x0000000000541000-memory.dmp upx -
Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook fgfkjsh.exe Key queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook fgfkjsh.exe Key queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook fgfkjsh.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook fgfkjsh.exe Key queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook fgfkjsh.exe Key queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook fgfkjsh.exe Key queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook fgfkjsh.exe Key queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.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.
flow ioc 19 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1804 set thread context of 1536 1804 fgfkjsh.exe 85 -
NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\appdata\fgfkjsh.exe:ZoneIdentifier notepad.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1536 fgfkjsh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2168 e37fb378417b8fc6a9871251030b3294fedecf4608d528f4cfddac6a8005f164.exe 2168 e37fb378417b8fc6a9871251030b3294fedecf4608d528f4cfddac6a8005f164.exe 1804 fgfkjsh.exe 1804 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe 1428 fgfkjsh.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1804 fgfkjsh.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1536 fgfkjsh.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1536 fgfkjsh.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2168 wrote to memory of 4360 2168 e37fb378417b8fc6a9871251030b3294fedecf4608d528f4cfddac6a8005f164.exe 83 PID 2168 wrote to memory of 4360 2168 e37fb378417b8fc6a9871251030b3294fedecf4608d528f4cfddac6a8005f164.exe 83 PID 2168 wrote to memory of 4360 2168 e37fb378417b8fc6a9871251030b3294fedecf4608d528f4cfddac6a8005f164.exe 83 PID 2168 wrote to memory of 4360 2168 e37fb378417b8fc6a9871251030b3294fedecf4608d528f4cfddac6a8005f164.exe 83 PID 2168 wrote to memory of 4360 2168 e37fb378417b8fc6a9871251030b3294fedecf4608d528f4cfddac6a8005f164.exe 83 PID 4360 wrote to memory of 1804 4360 notepad.exe 84 PID 4360 wrote to memory of 1804 4360 notepad.exe 84 PID 4360 wrote to memory of 1804 4360 notepad.exe 84 PID 1804 wrote to memory of 1536 1804 fgfkjsh.exe 85 PID 1804 wrote to memory of 1536 1804 fgfkjsh.exe 85 PID 1804 wrote to memory of 1536 1804 fgfkjsh.exe 85 PID 1804 wrote to memory of 1428 1804 fgfkjsh.exe 86 PID 1804 wrote to memory of 1428 1804 fgfkjsh.exe 86 PID 1804 wrote to memory of 1428 1804 fgfkjsh.exe 86 -
outlook_office_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe -
outlook_win_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fgfkjsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e37fb378417b8fc6a9871251030b3294fedecf4608d528f4cfddac6a8005f164.exe"C:\Users\Admin\AppData\Local\Temp\e37fb378417b8fc6a9871251030b3294fedecf4608d528f4cfddac6a8005f164.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵
- Drops startup file
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:4360 -
C:\Users\Admin\AppData\Roaming\appdata\fgfkjsh.exe"C:\Users\Admin\AppData\Roaming\appdata\fgfkjsh.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Users\Admin\AppData\Roaming\appdata\fgfkjsh.exe"C:\Users\Admin\AppData\Roaming\appdata\fgfkjsh.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1536
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C:\Users\Admin\AppData\Roaming\appdata\fgfkjsh.exe"C:\Users\Admin\AppData\Roaming\appdata\fgfkjsh.exe" 2 1536 2405901874⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1428
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
946KB
MD57d7b37ae6ef1219f3094f2cf6206d29a
SHA154fa5fd704ad0d67d27ae163d752fac1cc1c95be
SHA256e37fb378417b8fc6a9871251030b3294fedecf4608d528f4cfddac6a8005f164
SHA512b6357a18ebaa24c036f1e7cc6a37923a1b732531d20b47f4be88af983a744d8cd19e9e5d9d081c2f39735fc37c0734b28f9fae6deac2d0587d9bf9d6dedb5acc
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Filesize
946KB
MD57d7b37ae6ef1219f3094f2cf6206d29a
SHA154fa5fd704ad0d67d27ae163d752fac1cc1c95be
SHA256e37fb378417b8fc6a9871251030b3294fedecf4608d528f4cfddac6a8005f164
SHA512b6357a18ebaa24c036f1e7cc6a37923a1b732531d20b47f4be88af983a744d8cd19e9e5d9d081c2f39735fc37c0734b28f9fae6deac2d0587d9bf9d6dedb5acc
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Filesize
946KB
MD57d7b37ae6ef1219f3094f2cf6206d29a
SHA154fa5fd704ad0d67d27ae163d752fac1cc1c95be
SHA256e37fb378417b8fc6a9871251030b3294fedecf4608d528f4cfddac6a8005f164
SHA512b6357a18ebaa24c036f1e7cc6a37923a1b732531d20b47f4be88af983a744d8cd19e9e5d9d081c2f39735fc37c0734b28f9fae6deac2d0587d9bf9d6dedb5acc
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Filesize
946KB
MD57d7b37ae6ef1219f3094f2cf6206d29a
SHA154fa5fd704ad0d67d27ae163d752fac1cc1c95be
SHA256e37fb378417b8fc6a9871251030b3294fedecf4608d528f4cfddac6a8005f164
SHA512b6357a18ebaa24c036f1e7cc6a37923a1b732531d20b47f4be88af983a744d8cd19e9e5d9d081c2f39735fc37c0734b28f9fae6deac2d0587d9bf9d6dedb5acc