Analysis
- max time kernel
145s - 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
22/03/2024, 17:55
Behavioral task
behavioral1
Sample
2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe
Resource
win7-20231129-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe
- Size 145KB
- Sample240322-wheevsgh6z
- SHA256 50ed48c2d51922707924dacec60014ad829344376ca3b3deac93bae6cff7f397
- MD5 deb46af65df022cb5493124e2ab6fe22
- SHA1 dc157693608b37cb361fe8a5775268d3f4c6c625
- SHA512 0175e8a6ed796bb4af8132e1abc90430255cfe30888749f3724597d59c2199c4c51367622ebcd0b2aeafbb18c15399f9045b24e167c60f3f0b51c73085024dfb
- SSDEEP 3072:RYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:RyOqqDL64vdGREz
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- GandCrab payload 2 IoCs
resource yara_rule behavioral2/memory/4728-0-0x0000000000400000-0x0000000000428000-memory.dmp family_gandcrab behavioral2/memory/4728-4-0x0000000000400000-0x0000000000428000-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/4728-0-0x0000000000400000-0x0000000000428000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 behavioral2/memory/4728-4-0x0000000000400000-0x0000000000428000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 - Gandcrab Payload 2 IoCs
resource yara_rule behavioral2/memory/4728-0-0x0000000000400000-0x0000000000428000-memory.dmp Gandcrab behavioral2/memory/4728-4-0x0000000000400000-0x0000000000428000-memory.dmp Gandcrab - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\vtkrhfotxkx = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe" 2024-03-22_deb46af65df022cb5493124e2ab6fe22_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) \??\E: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\I: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\J: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\O: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\Q: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\R: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\W: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\A: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\K: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\L: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\M: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\N: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\V: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\Z: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\G: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\Y: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\B: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\P: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\S: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\T: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\U: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\X: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe File opened (read-only) \??\H: 2024-03-22_deb46af65df022cb5493124e2ab6fe22_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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4728 wrote to memory of 3700 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 92 PID 4728 wrote to memory of 3700 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 92 PID 4728 wrote to memory of 3700 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 92 PID 4728 wrote to memory of 2480 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 101 PID 4728 wrote to memory of 2480 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 101 PID 4728 wrote to memory of 2480 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 101 PID 4728 wrote to memory of 2472 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 104 PID 4728 wrote to memory of 2472 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 104 PID 4728 wrote to memory of 2472 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 104 PID 4728 wrote to memory of 2660 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 108 PID 4728 wrote to memory of 2660 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 108 PID 4728 wrote to memory of 2660 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 108 PID 4728 wrote to memory of 1316 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 110 PID 4728 wrote to memory of 1316 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 110 PID 4728 wrote to memory of 1316 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 110 PID 4728 wrote to memory of 3952 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 112 PID 4728 wrote to memory of 3952 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 112 PID 4728 wrote to memory of 3952 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 112 PID 4728 wrote to memory of 220 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 115 PID 4728 wrote to memory of 220 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 115 PID 4728 wrote to memory of 220 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 115 PID 4728 wrote to memory of 3996 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 117 PID 4728 wrote to memory of 3996 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 117 PID 4728 wrote to memory of 3996 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 117 PID 4728 wrote to memory of 4004 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 119 PID 4728 wrote to memory of 4004 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 119 PID 4728 wrote to memory of 4004 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 119 PID 4728 wrote to memory of 3464 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 125 PID 4728 wrote to memory of 3464 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 125 PID 4728 wrote to memory of 3464 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 125 PID 4728 wrote to memory of 2628 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 127 PID 4728 wrote to memory of 2628 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 127 PID 4728 wrote to memory of 2628 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 127 PID 4728 wrote to memory of 676 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 129 PID 4728 wrote to memory of 676 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 129 PID 4728 wrote to memory of 676 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 129 PID 4728 wrote to memory of 3184 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 137 PID 4728 wrote to memory of 3184 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 137 PID 4728 wrote to memory of 3184 4728 2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe 137
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-22_deb46af65df022cb5493124e2ab6fe22_gandcrab.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-22_deb46af65df022cb5493124e2ab6fe22_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:4728 -
C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:3700
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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:2472
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:2660
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:1316
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:3952
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:220
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:3996
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:4004
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:3464
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:2628
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:676
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:3184
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