Analysis
- max time kernel
148s - max time network
153s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system - submitted
30/11/2022, 09:28
Static task
static1
Behavioral task
behavioral1
Sample
75a17d005c2229cf5440c918d28cd67d9b811602.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
75a17d005c2229cf5440c918d28cd67d9b811602.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
3 signatures
150 seconds
General
- Target 75a17d005c2229cf5440c918d28cd67d9b811602.exe
- Size 321KB
- Sample221130-lfebzabd2w
- SHA256 7e61526d275fcde2370cd9024cb395116a34898234e18e0037b68b7cac3363b7
- MD5 c611797a3ba74487a39b492016c37ed4
- SHA1 75a17d005c2229cf5440c918d28cd67d9b811602
- SHA512 490626c53de2aec7b347d9a2d21c58af05ed350b29618653402a51ac14de8fe89c3737bf2b76eec9e58865ccdf3c9fad9bc0f00da3ac40a881d3276753165c9e
- SSDEEP 6144:sfwD/eHK1rGTAOfrIV/QHxOtJkkgYsGGdzKLk:sfwDz1+q4Hsi+Lk
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- GandCrab payload 4 IoCs
resource yara_rule behavioral1/memory/1708-56-0x0000000000400000-0x000000000045F000-memory.dmp family_gandcrab behavioral1/memory/1708-59-0x0000000000400000-0x000000000045F000-memory.dmp family_gandcrab behavioral1/memory/1708-60-0x0000000000260000-0x0000000000277000-memory.dmp family_gandcrab behavioral1/memory/1708-62-0x0000000000260000-0x0000000000277000-memory.dmp family_gandcrab - Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
- Unexpected DNS network traffic destination 44 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce 75a17d005c2229cf5440c918d28cd67d9b811602.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\cnislomwyjs = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\ezxnrc.exe\"" 75a17d005c2229cf5440c918d28cd67d9b811602.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) \??\K: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\T: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\B: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\E: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\L: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\M: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\P: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\S: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\U: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\V: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\A: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\H: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\I: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\J: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\N: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\O: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\R: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\X: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\F: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\G: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\Z: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\Y: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\Q: 75a17d005c2229cf5440c918d28cd67d9b811602.exe File opened (read-only) \??\W: 75a17d005c2229cf5440c918d28cd67d9b811602.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 75a17d005c2229cf5440c918d28cd67d9b811602.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 75a17d005c2229cf5440c918d28cd67d9b811602.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 75a17d005c2229cf5440c918d28cd67d9b811602.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe - Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1708 wrote to memory of 1620 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 27 PID 1708 wrote to memory of 1620 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 27 PID 1708 wrote to memory of 1620 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 27 PID 1708 wrote to memory of 1620 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 27 PID 1708 wrote to memory of 976 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 29 PID 1708 wrote to memory of 976 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 29 PID 1708 wrote to memory of 976 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 29 PID 1708 wrote to memory of 976 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 29 PID 1708 wrote to memory of 968 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 31 PID 1708 wrote to memory of 968 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 31 PID 1708 wrote to memory of 968 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 31 PID 1708 wrote to memory of 968 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 31 PID 1708 wrote to memory of 1316 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 33 PID 1708 wrote to memory of 1316 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 33 PID 1708 wrote to memory of 1316 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 33 PID 1708 wrote to memory of 1316 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 33 PID 1708 wrote to memory of 1636 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 35 PID 1708 wrote to memory of 1636 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 35 PID 1708 wrote to memory of 1636 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 35 PID 1708 wrote to memory of 1636 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 35 PID 1708 wrote to memory of 1036 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 37 PID 1708 wrote to memory of 1036 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 37 PID 1708 wrote to memory of 1036 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 37 PID 1708 wrote to memory of 1036 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 37 PID 1708 wrote to memory of 1372 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 39 PID 1708 wrote to memory of 1372 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 39 PID 1708 wrote to memory of 1372 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 39 PID 1708 wrote to memory of 1372 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 39 PID 1708 wrote to memory of 2016 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 41 PID 1708 wrote to memory of 2016 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 41 PID 1708 wrote to memory of 2016 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 41 PID 1708 wrote to memory of 2016 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 41 PID 1708 wrote to memory of 384 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 43 PID 1708 wrote to memory of 384 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 43 PID 1708 wrote to memory of 384 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 43 PID 1708 wrote to memory of 384 1708 75a17d005c2229cf5440c918d28cd67d9b811602.exe 43
Processes
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C:\Users\Admin\AppData\Local\Temp\75a17d005c2229cf5440c918d28cd67d9b811602.exe"C:\Users\Admin\AppData\Local\Temp\75a17d005c2229cf5440c918d28cd67d9b811602.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Windows\SysWOW64\nslookup.exenslookup carder.bit ns1.wowservers.ru2⤵PID:1620
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C:\Windows\SysWOW64\nslookup.exenslookup ransomware.bit ns2.wowservers.ru2⤵PID:976
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C:\Windows\SysWOW64\nslookup.exenslookup carder.bit ns2.wowservers.ru2⤵PID:968
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C:\Windows\SysWOW64\nslookup.exenslookup ransomware.bit ns1.wowservers.ru2⤵PID:1316
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C:\Windows\SysWOW64\nslookup.exenslookup carder.bit ns1.wowservers.ru2⤵PID:1636
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C:\Windows\SysWOW64\nslookup.exenslookup ransomware.bit ns2.wowservers.ru2⤵PID:1036
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C:\Windows\SysWOW64\nslookup.exenslookup carder.bit ns2.wowservers.ru2⤵PID:1372
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C:\Windows\SysWOW64\nslookup.exenslookup ransomware.bit ns1.wowservers.ru2⤵PID:2016
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C:\Windows\SysWOW64\nslookup.exenslookup carder.bit ns1.wowservers.ru2⤵PID:384
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