Analysis
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max time kernel
85s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 12:10
Static task
static1
Behavioral task
behavioral1
Sample
CONTRACT PO CONFIRMATION!.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
CONTRACT PO CONFIRMATION!.exe
Resource
win10v2004-20220414-en
General
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Target
CONTRACT PO CONFIRMATION!.exe
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Size
1.1MB
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MD5
bacf582001e91e3393c2aef245ace9a0
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SHA1
c53e68fe71b695e2c7fb6c05aedb422bf5856f7b
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SHA256
4474bd1e6a8472755ccac7d31beeefa7575b8b89610b71d1d08cf95a0ca17358
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SHA512
0f7f7117b8551f1f91da85bc933185b1f3729bca987471ef29ba779e328eefbc9d1d6e0cdc3183cbac674800d32eb2f3eccdc2ae28561d57bce3731b910b99cc
Malware Config
Extracted
C:\Users\Admin\AppData\Local\8506BBE7FF\Log.txt
masslogger
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 6 IoCs
resource yara_rule behavioral1/memory/1768-63-0x0000000000400000-0x00000000004B8000-memory.dmp family_masslogger behavioral1/memory/1768-66-0x00000000004B31FE-mapping.dmp family_masslogger behavioral1/memory/1768-64-0x0000000000400000-0x00000000004B8000-memory.dmp family_masslogger behavioral1/memory/1768-65-0x0000000000400000-0x00000000004B8000-memory.dmp family_masslogger behavioral1/memory/1768-68-0x0000000000400000-0x00000000004B8000-memory.dmp family_masslogger behavioral1/memory/1768-70-0x0000000000400000-0x00000000004B8000-memory.dmp family_masslogger -
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
yara_rule masslogger_log_file -
Looks for VirtualBox Guest Additions in registry 2 TTPs
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Looks for VMWare Tools registry key 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion CONTRACT PO CONFIRMATION!.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion CONTRACT PO CONFIRMATION!.exe -
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-1-5-21-790309383-526510583-3802439154-1000\Control Panel\International\Geo\Nation CONTRACT PO CONFIRMATION!.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 35 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook CONTRACT PO CONFIRMATION!.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook CONTRACT PO CONFIRMATION!.exe Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook CONTRACT PO CONFIRMATION!.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook CONTRACT PO CONFIRMATION!.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook CONTRACT PO CONFIRMATION!.exe Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook CONTRACT PO CONFIRMATION!.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook CONTRACT PO CONFIRMATION!.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook CONTRACT PO CONFIRMATION!.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook CONTRACT PO CONFIRMATION!.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook CONTRACT PO CONFIRMATION!.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook CONTRACT PO CONFIRMATION!.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook CONTRACT PO CONFIRMATION!.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook CONTRACT PO CONFIRMATION!.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook CONTRACT PO CONFIRMATION!.exe Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.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 4 api.ipify.org -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum CONTRACT PO CONFIRMATION!.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 CONTRACT PO CONFIRMATION!.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2008 set thread context of 1768 2008 CONTRACT PO CONFIRMATION!.exe 28 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1768 CONTRACT PO CONFIRMATION!.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1768 CONTRACT PO CONFIRMATION!.exe 1768 CONTRACT PO CONFIRMATION!.exe 1768 CONTRACT PO CONFIRMATION!.exe 1768 CONTRACT PO CONFIRMATION!.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1768 CONTRACT PO CONFIRMATION!.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1768 CONTRACT PO CONFIRMATION!.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2008 wrote to memory of 1768 2008 CONTRACT PO CONFIRMATION!.exe 28 PID 2008 wrote to memory of 1768 2008 CONTRACT PO CONFIRMATION!.exe 28 PID 2008 wrote to memory of 1768 2008 CONTRACT PO CONFIRMATION!.exe 28 PID 2008 wrote to memory of 1768 2008 CONTRACT PO CONFIRMATION!.exe 28 PID 2008 wrote to memory of 1768 2008 CONTRACT PO CONFIRMATION!.exe 28 PID 2008 wrote to memory of 1768 2008 CONTRACT PO CONFIRMATION!.exe 28 PID 2008 wrote to memory of 1768 2008 CONTRACT PO CONFIRMATION!.exe 28 PID 2008 wrote to memory of 1768 2008 CONTRACT PO CONFIRMATION!.exe 28 PID 2008 wrote to memory of 1768 2008 CONTRACT PO CONFIRMATION!.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe -
outlook_win_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CONTRACT PO CONFIRMATION!.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\CONTRACT PO CONFIRMATION!.exe"C:\Users\Admin\AppData\Local\Temp\CONTRACT PO CONFIRMATION!.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Users\Admin\AppData\Local\Temp\CONTRACT PO CONFIRMATION!.exe"C:\Users\Admin\AppData\Local\Temp\CONTRACT PO CONFIRMATION!.exe"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:1768
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