Analysis
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max time kernel
141s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15-10-2024 02:00
Static task
static1
Behavioral task
behavioral1
Sample
ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe
Resource
win7-20240708-en
General
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Target
ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe
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Size
6.4MB
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MD5
a741208b11e340f91215eebb5f1c05f7
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SHA1
36ea40e7aaddec858d80c63825107c313c21d155
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SHA256
ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370
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SHA512
8f7feceed1e0b7550cc60a044d6c43a1a1826aa944a576bd1b7b83e84f0449cab7bc16aaf80d039319ed1ed5cde2f269bf010f136722f4d43f46162143c30433
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SSDEEP
49152:p0WvxmSzX5DFZ78WQajskJbw4VZQYKlVUHhNSDPfPMcFFVliyCWqMEUs9N+qaKDo:y8Ay18W6kJ3f
Malware Config
Signatures
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Detects CryptBot payload 1 IoCs
CryptBot is a C++ stealer distributed widely in bundle with other software.
resource yara_rule behavioral2/memory/3208-0-0x0000000069CC0000-0x000000006A377000-memory.dmp family_cryptbot_v3 -
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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe -
Executes dropped EXE 3 IoCs
pid Process 620 service123.exe 2428 service123.exe 3976 service123.exe -
Loads dropped DLL 3 IoCs
pid Process 620 service123.exe 2428 service123.exe 3976 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language service123.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5056 schtasks.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3208 wrote to memory of 620 3208 ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe 95 PID 3208 wrote to memory of 620 3208 ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe 95 PID 3208 wrote to memory of 620 3208 ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe 95 PID 3208 wrote to memory of 5056 3208 ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe 97 PID 3208 wrote to memory of 5056 3208 ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe 97 PID 3208 wrote to memory of 5056 3208 ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe"C:\Users\Admin\AppData\Local\Temp\ac9d0b246600964d743b74a30f3bb38ee21c8365c28e6427f3f29d0a2daea370.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3208 -
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:620
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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:5056
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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:2428
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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:3976