Analysis
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max time kernel
134s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-10-2024 13:41
Behavioral task
behavioral1
Sample
2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe
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Size
70KB
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MD5
f21dbe997f85d57f21111cffa418b135
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SHA1
18ba81e23ab945e40dc0479b3970700d76cc6e3b
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SHA256
2dd545959ccc3c9bc27bd540df878d59ac11a93e61a9c72043912abf92e21060
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SHA512
b5eeb7850e47319596b363cd246885b5736fb7105bd67f65e493c498699e77d06b0009b968789ca43407906b9a4aa6329c63e6a86ae35b11aa639ecebd4687fe
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SSDEEP
1536:SZZZZZZZZZZZZpXzzzzzzzzzzzzADypczUk+lkZJngWMqqU+2bbbAV2/S2OvvdZl:Zd5BJHMqqDL2/Ovvdr
Malware Config
Signatures
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GandCrab payload 2 IoCs
resource yara_rule behavioral2/memory/4860-0-0x000000000F410000-0x000000000F427000-memory.dmp family_gandcrab behavioral2/memory/4860-3-0x000000000F410000-0x000000000F427000-memory.dmp family_gandcrab -
Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
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Gandcrab family
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\kaqqtplxlfd = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe" 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\R: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\V: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\Z: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\B: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\E: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\T: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\X: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\K: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\M: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\H: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\L: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\N: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\P: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\Q: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\U: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\A: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\G: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\Y: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\O: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\S: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\W: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\I: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe File opened (read-only) \??\J: 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4860 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe 4860 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe 4860 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe 4860 2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-25_f21dbe997f85d57f21111cffa418b135_gandcrab.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4860