Analysis
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max time kernel
141s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
13-10-2024 06:41
Static task
static1
Behavioral task
behavioral1
Sample
70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe
Resource
win7-20240903-en
General
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Target
70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe
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Size
7.5MB
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MD5
e071b6dd90f4c7a9d23632bfb9517925
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SHA1
9ef06985e2f58c3cd0a64780819e7812d6ae849e
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SHA256
70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be
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SHA512
bd8b2c084b36f0b37f223aff83d0599affc0450ede1299efc37e5a9519cc9b26ecb209292865c06c7de29c4f3ffda070c56f956a7db7817427f2d2053b225baf
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SSDEEP
49152:MidZxaEXACSbv61erWUn19OFne30Tt2SUprQRd8/NPpuevH3nUk0gdtCneP/4scQ:Mivx4i1ul1WUp8O
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 behavioral1/memory/2376-0-0x0000000069CC0000-0x000000006A377000-memory.dmp family_cryptbot_v3 -
Executes dropped EXE 3 IoCs
pid Process 2880 service123.exe 1236 service123.exe 1436 service123.exe -
Loads dropped DLL 5 IoCs
pid Process 2376 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe 2376 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe 2880 service123.exe 1236 service123.exe 1436 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 2 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 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.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 2720 schtasks.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2376 wrote to memory of 2880 2376 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe 31 PID 2376 wrote to memory of 2880 2376 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe 31 PID 2376 wrote to memory of 2880 2376 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe 31 PID 2376 wrote to memory of 2880 2376 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe 31 PID 2376 wrote to memory of 2720 2376 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe 32 PID 2376 wrote to memory of 2720 2376 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe 32 PID 2376 wrote to memory of 2720 2376 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe 32 PID 2376 wrote to memory of 2720 2376 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe 32 PID 2628 wrote to memory of 1236 2628 taskeng.exe 35 PID 2628 wrote to memory of 1236 2628 taskeng.exe 35 PID 2628 wrote to memory of 1236 2628 taskeng.exe 35 PID 2628 wrote to memory of 1236 2628 taskeng.exe 35 PID 2628 wrote to memory of 1436 2628 taskeng.exe 37 PID 2628 wrote to memory of 1436 2628 taskeng.exe 37 PID 2628 wrote to memory of 1436 2628 taskeng.exe 37 PID 2628 wrote to memory of 1436 2628 taskeng.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe"C:\Users\Admin\AppData\Local\Temp\70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2376 -
C:\Users\Admin\AppData\Local\Temp\service123.exe"C:\Users\Admin\AppData\Local\Temp\service123.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2880
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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:2720
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C:\Windows\system32\taskeng.exetaskeng.exe {FD4EB76C-D6F3-4E43-9AEC-98A88612AA3B} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1236
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C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1436
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