Analysis
- max time kernel
150s - 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
27/03/2024, 17:29
Behavioral task
behavioral1
Sample
2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe
Resource
win7-20240319-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe
- Size 145KB
- Sample240327-v2mpxacc4y
- SHA256 fbbb4f8c0f4ffcd1b9ed4077490d747a56791a4765a15465645b1a59992db5a5
- MD5 337459888e1b42c8f35f07bb12dd3585
- SHA1 5f3513520b5cffb58c45b05085d905f115c477b4
- SHA512 f867ae01e9c5cd66014bbb7627c4b0fdc7a6b1253964d10e75c0409c19ae8961c903ab90c74f7d357dac366bce14286d098404ba7ebb158561261aec70598c1b
- SSDEEP 3072:CYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:CyOqqDL64vdGREz
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- GandCrab payload 2 IoCs
resource yara_rule behavioral2/memory/1544-0-0x0000000000400000-0x0000000000428000-memory.dmp family_gandcrab behavioral2/memory/1544-4-0x0000000000400000-0x0000000000428000-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/1544-0-0x0000000000400000-0x0000000000428000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 behavioral2/memory/1544-4-0x0000000000400000-0x0000000000428000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 - Gandcrab Payload 2 IoCs
resource yara_rule behavioral2/memory/1544-0-0x0000000000400000-0x0000000000428000-memory.dmp Gandcrab behavioral2/memory/1544-4-0x0000000000400000-0x0000000000428000-memory.dmp Gandcrab - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\hccxecvbhnf = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe" 2024-03-27_337459888e1b42c8f35f07bb12dd3585_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) \??\N: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\P: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\W: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\A: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\K: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\R: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\T: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\U: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\X: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\Y: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\J: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\M: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\L: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\O: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\Q: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\S: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\V: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\Z: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\G: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\H: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\I: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\B: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe File opened (read-only) \??\E: 2024-03-27_337459888e1b42c8f35f07bb12dd3585_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 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1544 wrote to memory of 2696 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 90 PID 1544 wrote to memory of 2696 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 90 PID 1544 wrote to memory of 2696 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 90 PID 1544 wrote to memory of 3204 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 99 PID 1544 wrote to memory of 3204 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 99 PID 1544 wrote to memory of 3204 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 99 PID 1544 wrote to memory of 2888 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 101 PID 1544 wrote to memory of 2888 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 101 PID 1544 wrote to memory of 2888 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 101 PID 1544 wrote to memory of 1232 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 105 PID 1544 wrote to memory of 1232 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 105 PID 1544 wrote to memory of 1232 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 105 PID 1544 wrote to memory of 3532 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 107 PID 1544 wrote to memory of 3532 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 107 PID 1544 wrote to memory of 3532 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 107 PID 1544 wrote to memory of 4008 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 109 PID 1544 wrote to memory of 4008 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 109 PID 1544 wrote to memory of 4008 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 109 PID 1544 wrote to memory of 5016 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 112 PID 1544 wrote to memory of 5016 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 112 PID 1544 wrote to memory of 5016 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 112 PID 1544 wrote to memory of 4848 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 114 PID 1544 wrote to memory of 4848 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 114 PID 1544 wrote to memory of 4848 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 114 PID 1544 wrote to memory of 2216 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 116 PID 1544 wrote to memory of 2216 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 116 PID 1544 wrote to memory of 2216 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 116 PID 1544 wrote to memory of 380 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 124 PID 1544 wrote to memory of 380 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 124 PID 1544 wrote to memory of 380 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 124 PID 1544 wrote to memory of 4480 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 126 PID 1544 wrote to memory of 4480 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 126 PID 1544 wrote to memory of 4480 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 126 PID 1544 wrote to memory of 4940 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 128 PID 1544 wrote to memory of 4940 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 128 PID 1544 wrote to memory of 4940 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 128 PID 1544 wrote to memory of 2920 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 133 PID 1544 wrote to memory of 2920 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 133 PID 1544 wrote to memory of 2920 1544 2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe 133
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-27_337459888e1b42c8f35f07bb12dd3585_gandcrab.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-27_337459888e1b42c8f35f07bb12dd3585_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:1544 -
C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:2696
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:3204
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:2888
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:1232
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:3532
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:4008
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:5016
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:4848
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:2216
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:380
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:4480
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:4940
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:2920
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