Analysis
- max time kernel
150s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
28/03/2024, 04:35
Behavioral task
behavioral1
Sample
2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe
Resource
win7-20231129-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe
- Size 145KB
- Sample240328-e77dhabh78
- SHA256 02030f412a5d84d577d2a3fb5f9594e73d204964dbbb9cfbcc8400671307d061
- MD5 4e41eb430c51451b201d2d865e434f2c
- SHA1 8a5a67a7873ddb845211bf497656fd64e8def9ce
- SHA512 90b3b7cbc0d9db91dca769ff3aa8e1d7dad33f0c75b4ec12a3b97f70281f738a6a1bdda8672de91ef028b5e6e136582d749a83b6afc98077c1bae6d2af8d9988
- SSDEEP 3072:8YHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:8yOqqDL64vdGREz
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- GandCrab payload 2 IoCs
resource yara_rule behavioral2/memory/1440-0-0x0000000000400000-0x0000000000428000-memory.dmp family_gandcrab behavioral2/memory/1440-4-0x0000000000400000-0x0000000000428000-memory.dmp family_gandcrab - Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
- Detects ransomware indicator 2 IoCs
resource yara_rule behavioral2/memory/1440-0-0x0000000000400000-0x0000000000428000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 behavioral2/memory/1440-4-0x0000000000400000-0x0000000000428000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 - Gandcrab Payload 2 IoCs
resource yara_rule behavioral2/memory/1440-0-0x0000000000400000-0x0000000000428000-memory.dmp Gandcrab behavioral2/memory/1440-4-0x0000000000400000-0x0000000000428000-memory.dmp Gandcrab - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\prrcsywmjwk = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe" 2024-03-28_4e41eb430c51451b201d2d865e434f2c_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) \??\J: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\O: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\R: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\U: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\A: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\B: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\G: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\V: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\W: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\M: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\N: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\P: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\E: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\H: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\I: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\K: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\L: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\S: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\T: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\Q: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\X: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\Y: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe File opened (read-only) \??\Z: 2024-03-28_4e41eb430c51451b201d2d865e434f2c_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 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe - Suspicious use of WriteProcessMemory 45 IoCs
description pid Process procid_target PID 1440 wrote to memory of 2232 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 89 PID 1440 wrote to memory of 2232 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 89 PID 1440 wrote to memory of 2232 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 89 PID 1440 wrote to memory of 3164 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 98 PID 1440 wrote to memory of 3164 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 98 PID 1440 wrote to memory of 3164 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 98 PID 1440 wrote to memory of 4316 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 100 PID 1440 wrote to memory of 4316 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 100 PID 1440 wrote to memory of 4316 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 100 PID 1440 wrote to memory of 4536 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 103 PID 1440 wrote to memory of 4536 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 103 PID 1440 wrote to memory of 4536 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 103 PID 1440 wrote to memory of 2716 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 105 PID 1440 wrote to memory of 2716 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 105 PID 1440 wrote to memory of 2716 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 105 PID 1440 wrote to memory of 1056 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 107 PID 1440 wrote to memory of 1056 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 107 PID 1440 wrote to memory of 1056 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 107 PID 1440 wrote to memory of 1900 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 109 PID 1440 wrote to memory of 1900 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 109 PID 1440 wrote to memory of 1900 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 109 PID 1440 wrote to memory of 2480 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 111 PID 1440 wrote to memory of 2480 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 111 PID 1440 wrote to memory of 2480 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 111 PID 1440 wrote to memory of 3912 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 113 PID 1440 wrote to memory of 3912 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 113 PID 1440 wrote to memory of 3912 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 113 PID 1440 wrote to memory of 4564 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 115 PID 1440 wrote to memory of 4564 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 115 PID 1440 wrote to memory of 4564 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 115 PID 1440 wrote to memory of 3160 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 117 PID 1440 wrote to memory of 3160 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 117 PID 1440 wrote to memory of 3160 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 117 PID 1440 wrote to memory of 532 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 119 PID 1440 wrote to memory of 532 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 119 PID 1440 wrote to memory of 532 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 119 PID 1440 wrote to memory of 4392 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 121 PID 1440 wrote to memory of 4392 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 121 PID 1440 wrote to memory of 4392 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 121 PID 1440 wrote to memory of 3328 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 123 PID 1440 wrote to memory of 3328 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 123 PID 1440 wrote to memory of 3328 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 123 PID 1440 wrote to memory of 4596 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 125 PID 1440 wrote to memory of 4596 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 125 PID 1440 wrote to memory of 4596 1440 2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe 125
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-28_4e41eb430c51451b201d2d865e434f2c_gandcrab.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-28_4e41eb430c51451b201d2d865e434f2c_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:1440 -
C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:2232
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:3164
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:4316
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:4536
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:2716
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:1056
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:1900
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:2480
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:3912
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:4564
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:3160
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:532
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:4392
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:3328
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:4596
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