Analysis
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max time kernel
145s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-10-2024 07:45
Static task
static1
Behavioral task
behavioral1
Sample
6a425f365fe6499f0f60f6b89445e82b.exe
Resource
win7-20240903-en
General
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Target
6a425f365fe6499f0f60f6b89445e82b.exe
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Size
6.6MB
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MD5
6a425f365fe6499f0f60f6b89445e82b
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SHA1
5621452c81dcc2cc3d9e6eff07bb1d016485dc54
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SHA256
ec429ff1650c6c143470d798c67f8b3cfcef285badb0006add081b4324b625e4
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SHA512
a3f534fe70962ce4dd7155500c2bf2c015fd7d7373798785f3bbc20333534f790d8156e367a8343b9106e7deafedf87a882c819798904c10da2178fc45bf5d2e
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SSDEEP
49152:eYUFc/KQ785b3qjXqHvQoG4WtxiY4V3HUkRNd1aKLTjvc4lV6Cy6brU4I:Caf4QbqHvfGVs
Malware Config
Signatures
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Detects CryptBot payload 1 IoCs
CryptBot is a C++ stealer distributed widely in bundle with other software.
Processes:
resource yara_rule behavioral2/memory/4928-0-0x0000000069CC0000-0x000000006A37B000-memory.dmp family_cryptbot_v3 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
6a425f365fe6499f0f60f6b89445e82b.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 6a425f365fe6499f0f60f6b89445e82b.exe -
Executes dropped EXE 2 IoCs
Processes:
service123.exeservice123.exepid Process 768 service123.exe 656 service123.exe -
Loads dropped DLL 2 IoCs
Processes:
service123.exeservice123.exepid Process 768 service123.exe 656 service123.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
service123.exeschtasks.exe6a425f365fe6499f0f60f6b89445e82b.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language service123.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6a425f365fe6499f0f60f6b89445e82b.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
6a425f365fe6499f0f60f6b89445e82b.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 6a425f365fe6499f0f60f6b89445e82b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 6a425f365fe6499f0f60f6b89445e82b.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of WriteProcessMemory 6 IoCs
Processes:
6a425f365fe6499f0f60f6b89445e82b.exedescription pid Process procid_target PID 4928 wrote to memory of 768 4928 6a425f365fe6499f0f60f6b89445e82b.exe 102 PID 4928 wrote to memory of 768 4928 6a425f365fe6499f0f60f6b89445e82b.exe 102 PID 4928 wrote to memory of 768 4928 6a425f365fe6499f0f60f6b89445e82b.exe 102 PID 4928 wrote to memory of 3372 4928 6a425f365fe6499f0f60f6b89445e82b.exe 103 PID 4928 wrote to memory of 3372 4928 6a425f365fe6499f0f60f6b89445e82b.exe 103 PID 4928 wrote to memory of 3372 4928 6a425f365fe6499f0f60f6b89445e82b.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\6a425f365fe6499f0f60f6b89445e82b.exe"C:\Users\Admin\AppData\Local\Temp\6a425f365fe6499f0f60f6b89445e82b.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Users\Admin\AppData\Local\Temp\service123.exe"C:\Users\Admin\AppData\Local\Temp\service123.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:768
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3372
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C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:656