Analysis
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max time kernel
27s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
12/05/2023, 02:52
Behavioral task
behavioral1
Sample
2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe
Resource
win10v2004-20230221-en
General
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Target
2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe
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Size
70KB
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MD5
6475ca3f09fb27fbfa6147b18a190e45
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SHA1
489eba91491364a261a6e58662a526e85e89696e
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SHA256
2c16f415f3f5af61f0c2c3ecf4bfeb10119293a6e97121789187afaae93efa20
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SHA512
3830144546006c433b992936cfc64d7a2ce262747f1db7461359e5ca3c5b9bd391825ccdcfb12b8379f06017dabc3a9714bfb5e436fe504ba74679a3d3e20c94
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SSDEEP
1536:KZZZZZZZZZZZZpXzzzzzzzzzzzzADypczUk+lkZJngWMqqU+2bbbAV2/S2OvvdZl:hd5BJHMqqDL2/OvvdrH
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe Set value (str) \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\poqgbljwgyd = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe" 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\F: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\I: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\M: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\R: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\U: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\X: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\Z: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\B: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\G: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\J: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\N: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\O: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\P: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\S: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\W: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\Y: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\A: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\H: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\K: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\L: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\Q: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\T: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe File opened (read-only) \??\V: 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1700 1752 WerFault.exe 26 -
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 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1752 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe 1752 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1752 wrote to memory of 1700 1752 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe 29 PID 1752 wrote to memory of 1700 1752 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe 29 PID 1752 wrote to memory of 1700 1752 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe 29 PID 1752 wrote to memory of 1700 1752 2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe"C:\Users\Admin\AppData\Local\Temp\2023-05-11_6475ca3f09fb27fbfa6147b18a190e45_gandcrab.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1752 -s 7162⤵
- Program crash
PID:1700
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