Analysis
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max time kernel
83s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
07/03/2023, 14:18
Static task
static1
Behavioral task
behavioral1
Sample
c56b758f00562948de9cac375422074c.exe
Resource
win7-20230220-en
General
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Target
c56b758f00562948de9cac375422074c.exe
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Size
382KB
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MD5
c56b758f00562948de9cac375422074c
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SHA1
9f98c4c403b98aea3624d905b2e1ccbe5939c908
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SHA256
3df572ecd8ad88b1b744adc3323998b64d8303ef1a19eba3d7fd6e76aeb67532
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SHA512
a77a22431ccfd7e565639d90b205ff7132ddfc39a1d46c8ff5de8f71265c56706230b569fb22a72dbc6bbc7c92688ebb024b167971d3b7859c8b6b01ad9084fa
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SSDEEP
6144:qdIjLWKjRaNPXd5G3KpR0JjKXV+3rQqkuWZgdVlVZ/X36qfAk:gQ6KjRYPX/G3KoJCMZFpa
Malware Config
Signatures
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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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation c56b758f00562948de9cac375422074c.exe -
Loads dropped DLL 2 IoCs
pid Process 4952 c56b758f00562948de9cac375422074c.exe 4952 c56b758f00562948de9cac375422074c.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 cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3760 set thread context of 4952 3760 c56b758f00562948de9cac375422074c.exe 83 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 c56b758f00562948de9cac375422074c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString c56b758f00562948de9cac375422074c.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3560 timeout.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4952 c56b758f00562948de9cac375422074c.exe 4952 c56b758f00562948de9cac375422074c.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3760 wrote to memory of 4952 3760 c56b758f00562948de9cac375422074c.exe 83 PID 3760 wrote to memory of 4952 3760 c56b758f00562948de9cac375422074c.exe 83 PID 3760 wrote to memory of 4952 3760 c56b758f00562948de9cac375422074c.exe 83 PID 3760 wrote to memory of 4952 3760 c56b758f00562948de9cac375422074c.exe 83 PID 3760 wrote to memory of 4952 3760 c56b758f00562948de9cac375422074c.exe 83 PID 3760 wrote to memory of 4952 3760 c56b758f00562948de9cac375422074c.exe 83 PID 3760 wrote to memory of 4952 3760 c56b758f00562948de9cac375422074c.exe 83 PID 3760 wrote to memory of 4952 3760 c56b758f00562948de9cac375422074c.exe 83 PID 3760 wrote to memory of 4952 3760 c56b758f00562948de9cac375422074c.exe 83 PID 4952 wrote to memory of 364 4952 c56b758f00562948de9cac375422074c.exe 84 PID 4952 wrote to memory of 364 4952 c56b758f00562948de9cac375422074c.exe 84 PID 4952 wrote to memory of 364 4952 c56b758f00562948de9cac375422074c.exe 84 PID 364 wrote to memory of 3560 364 cmd.exe 86 PID 364 wrote to memory of 3560 364 cmd.exe 86 PID 364 wrote to memory of 3560 364 cmd.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\c56b758f00562948de9cac375422074c.exe"C:\Users\Admin\AppData\Local\Temp\c56b758f00562948de9cac375422074c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3760 -
C:\Users\Admin\AppData\Local\Temp\c56b758f00562948de9cac375422074c.exe"C:\Users\Admin\AppData\Local\Temp\c56b758f00562948de9cac375422074c.exe"2⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4952 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\c56b758f00562948de9cac375422074c.exe" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:364 -
C:\Windows\SysWOW64\timeout.exetimeout /t 64⤵
- Delays execution with timeout.exe
PID:3560
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571