Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
31-03-2024 19:33
Behavioral task
behavioral1
Sample
2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe
-
Size
145KB
-
MD5
81fd8df6ec154ff0f15aef43dcd34e38
-
SHA1
068e6468feb54d118a845f6bfe62bca13e9a7ddb
-
SHA256
b7353d68d2b59a1c6729d29f19d3de475c288f262c5b97de7b948e8c40a4c7df
-
SHA512
5c81eaa11e1c4dea679d6ab808f7641cd03703e60f23c4ab735b43edbca5127a1028351f9fc1feabb0925a842cfed588a5ed8e63c7a90bd89f943541197915d7
-
SSDEEP
3072:yYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:yyOqqDL64vdGREz
Malware Config
Signatures
-
GandCrab payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/928-0-0x0000000000400000-0x0000000000428000-memory.dmp family_gandcrab behavioral2/memory/928-4-0x0000000000400000-0x0000000000428000-memory.dmp family_gandcrab -
Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
-
Detects ransomware indicator 2 IoCs
Processes:
resource yara_rule behavioral2/memory/928-0-0x0000000000400000-0x0000000000428000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 behavioral2/memory/928-4-0x0000000000400000-0x0000000000428000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 -
Gandcrab Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/928-0-0x0000000000400000-0x0000000000428000-memory.dmp Gandcrab behavioral2/memory/928-4-0x0000000000400000-0x0000000000428000-memory.dmp Gandcrab -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\ubijkhhpktw = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe" 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exedescription ioc process File opened (read-only) \??\A: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\O: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\S: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\Z: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\M: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\N: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\P: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\T: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\W: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\B: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\E: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\H: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\J: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\K: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\L: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\Q: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\U: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\V: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\G: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\I: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\R: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\X: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe File opened (read-only) \??\Y: 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exepid process 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe -
Suspicious use of WriteProcessMemory 45 IoCs
Processes:
2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exedescription pid process target process PID 928 wrote to memory of 3968 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 3968 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 3968 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 1652 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 1652 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 1652 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 1864 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 1864 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 1864 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 3032 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 3032 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 3032 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 1228 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 1228 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 1228 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 400 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 400 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 400 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 848 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 848 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 848 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 1020 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 1020 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 1020 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 4836 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 4836 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 4836 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 2800 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 2800 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 2800 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 3760 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 3760 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 3760 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 2308 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 2308 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 2308 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 776 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 776 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 776 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 3868 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 3868 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 3868 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 3128 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 3128 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe PID 928 wrote to memory of 3128 928 2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe nslookup.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-31_81fd8df6ec154ff0f15aef43dcd34e38_gandcrab.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵
-
C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵
-
C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵
-
C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵
-
C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵
-
C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵
-
C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵
-
C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵
-
C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵
-
C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵
-
C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵
-
C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵
-
C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵
-
C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵
-
C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵