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Analysis
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max time kernel
95s -
max time network
99s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21/05/2022, 12:26
Static task
static1
Behavioral task
behavioral1
Sample
Payment-Slip.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Payment-Slip.exe
Resource
win10v2004-20220414-en
General
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Target
Payment-Slip.exe
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Size
736KB
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MD5
807cdf0fcf81b3a1543af2c2e35936dc
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SHA1
2b30620e6a457368da61cdf0ea03c2aa00334c89
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SHA256
1f1fd376897aa8454ec652f9927eecb50a0993a13aed6f6beb656c865291d565
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SHA512
79035da50e11b459c0023aa7048587ae82f7e3d9e156d8bcb1b9cb76ceec8d70a58b8971705c33adf42a7c45c804ff69c54b467dcef570d1455cc3ae9da0358b
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 32 IoCs
resource yara_rule behavioral1/memory/2024-63-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-64-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-65-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-66-0x00000000004A15EE-mapping.dmp family_masslogger behavioral1/memory/2024-68-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-70-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-72-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-74-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-76-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-78-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-80-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-82-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-84-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-86-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-88-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-90-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-92-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-94-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-96-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-98-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-100-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-102-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-104-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-106-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-108-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-110-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-112-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-114-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-116-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-118-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-120-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger behavioral1/memory/2024-122-0x0000000000400000-0x00000000004A6000-memory.dmp family_masslogger -
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
yara_rule masslogger_log_file -
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-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation Payment-Slip.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 15 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook Payment-Slip.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment-Slip.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook Payment-Slip.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Payment-Slip.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Payment-Slip.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment-Slip.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment-Slip.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook Payment-Slip.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment-Slip.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment-Slip.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook Payment-Slip.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment-Slip.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment-Slip.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment-Slip.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment-Slip.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 -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 868 set thread context of 2024 868 Payment-Slip.exe 29 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2024 Payment-Slip.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 868 Payment-Slip.exe 868 Payment-Slip.exe 868 Payment-Slip.exe 868 Payment-Slip.exe 868 Payment-Slip.exe 868 Payment-Slip.exe 868 Payment-Slip.exe 868 Payment-Slip.exe 2024 Payment-Slip.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 868 Payment-Slip.exe Token: SeDebugPrivilege 2024 Payment-Slip.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2024 Payment-Slip.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 868 wrote to memory of 2024 868 Payment-Slip.exe 29 PID 868 wrote to memory of 2024 868 Payment-Slip.exe 29 PID 868 wrote to memory of 2024 868 Payment-Slip.exe 29 PID 868 wrote to memory of 2024 868 Payment-Slip.exe 29 PID 868 wrote to memory of 2024 868 Payment-Slip.exe 29 PID 868 wrote to memory of 2024 868 Payment-Slip.exe 29 PID 868 wrote to memory of 2024 868 Payment-Slip.exe 29 PID 868 wrote to memory of 2024 868 Payment-Slip.exe 29 PID 868 wrote to memory of 2024 868 Payment-Slip.exe 29 -
outlook_office_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment-Slip.exe -
outlook_win_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment-Slip.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment-Slip.exe"C:\Users\Admin\AppData\Local\Temp\Payment-Slip.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:868 -
C:\Users\Admin\AppData\Local\Temp\Payment-Slip.exe"C:\Users\Admin\AppData\Local\Temp\Payment-Slip.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:2024
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