Analysis
- max time kernel
147s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system - submitted
25/07/2024, 14:25
Behavioral task
behavioral1
Sample
2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe
Resource
win7-20240708-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe
Resource
win10v2004-20240709-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe
- Size 240KB
- Sample240725-rrhrestckj
- SHA256 7ab2969097e4573eebe173b03b1c9067a7448362556396e2388284887300161a
- MD5 4af7705184c70648864e87e5138d9251
- SHA1 7042db59cd2a3d53645c2819fe00a5cc6e4c6013
- SHA512 03bc6cc519892099550c6ff634f152bee13b011d60aa09886ba2cbe07a4e7b791adf1a06eccfd1144ae268baa1240cec1e8e7f87b9f39b1320e64896e66d69fc
- SSDEEP 3072:AYHVHd2NwMqqDL2/mr3IdE8we0Avu5r++ygLIaa4jRv9OtNZpHk:AycqqDL6oREzZpE
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- GandCrab payload 2 IoCs
resource yara_rule behavioral2/memory/5056-0-0x0000000000400000-0x000000000043C000-memory.dmp family_gandcrab behavioral2/memory/5056-4-0x0000000000400000-0x000000000043C000-memory.dmp family_gandcrab - Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
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resource yara_rule behavioral2/memory/5056-0-0x0000000000400000-0x000000000043C000-memory.dmp upx behavioral2/memory/5056-4-0x0000000000400000-0x000000000043C000-memory.dmp upx - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\tjxphygdquu = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe" 2024-07-25_4af7705184c70648864e87e5138d9251_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) \??\Z: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\G: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\I: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\P: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\S: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\V: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\X: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\Y: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\B: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\H: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\J: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\K: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\L: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\O: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\A: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\M: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\Q: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\R: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\T: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\E: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\N: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\U: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe File opened (read-only) \??\W: 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe - System Location Discovery: System Language Discovery 1 TTPs 15 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 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nslookup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nslookup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nslookup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nslookup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nslookup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nslookup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nslookup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nslookup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nslookup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nslookup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nslookup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nslookup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nslookup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nslookup.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe - Suspicious use of WriteProcessMemory 42 IoCs
description pid Process procid_target PID 5056 wrote to memory of 2064 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 88 PID 5056 wrote to memory of 2064 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 88 PID 5056 wrote to memory of 2064 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 88 PID 5056 wrote to memory of 2432 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 97 PID 5056 wrote to memory of 2432 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 97 PID 5056 wrote to memory of 2432 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 97 PID 5056 wrote to memory of 4796 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 99 PID 5056 wrote to memory of 4796 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 99 PID 5056 wrote to memory of 4796 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 99 PID 5056 wrote to memory of 2904 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 103 PID 5056 wrote to memory of 2904 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 103 PID 5056 wrote to memory of 2904 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 103 PID 5056 wrote to memory of 4744 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 106 PID 5056 wrote to memory of 4744 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 106 PID 5056 wrote to memory of 4744 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 106 PID 5056 wrote to memory of 2152 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 108 PID 5056 wrote to memory of 2152 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 108 PID 5056 wrote to memory of 2152 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 108 PID 5056 wrote to memory of 1016 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 110 PID 5056 wrote to memory of 1016 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 110 PID 5056 wrote to memory of 1016 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 110 PID 5056 wrote to memory of 2944 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 114 PID 5056 wrote to memory of 2944 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 114 PID 5056 wrote to memory of 2944 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 114 PID 5056 wrote to memory of 3844 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 116 PID 5056 wrote to memory of 3844 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 116 PID 5056 wrote to memory of 3844 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 116 PID 5056 wrote to memory of 2516 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 118 PID 5056 wrote to memory of 2516 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 118 PID 5056 wrote to memory of 2516 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 118 PID 5056 wrote to memory of 2184 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 128 PID 5056 wrote to memory of 2184 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 128 PID 5056 wrote to memory of 2184 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 128 PID 5056 wrote to memory of 4440 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 130 PID 5056 wrote to memory of 4440 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 130 PID 5056 wrote to memory of 4440 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 130 PID 5056 wrote to memory of 4476 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 135 PID 5056 wrote to memory of 4476 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 135 PID 5056 wrote to memory of 4476 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 135 PID 5056 wrote to memory of 4736 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 137 PID 5056 wrote to memory of 4736 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 137 PID 5056 wrote to memory of 4736 5056 2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe 137
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-07-25_4af7705184c70648864e87e5138d9251_gandcrab.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-25_4af7705184c70648864e87e5138d9251_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
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵
- System Location Discovery: System Language Discovery
PID:2064
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵
- System Location Discovery: System Language Discovery
PID:2432
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵
- System Location Discovery: System Language Discovery
PID:4796
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵
- System Location Discovery: System Language Discovery
PID:2904
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵
- System Location Discovery: System Language Discovery
PID:4744
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵
- System Location Discovery: System Language Discovery
PID:2152
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵
- System Location Discovery: System Language Discovery
PID:1016
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵
- System Location Discovery: System Language Discovery
PID:2944
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵
- System Location Discovery: System Language Discovery
PID:3844
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵
- System Location Discovery: System Language Discovery
PID:2516
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵
- System Location Discovery: System Language Discovery
PID:2184
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵
- System Location Discovery: System Language Discovery
PID:4440
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵
- System Location Discovery: System Language Discovery
PID:4476
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵
- System Location Discovery: System Language Discovery
PID:4736
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