Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-06-2024 17:28
Behavioral task
behavioral1
Sample
2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe
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Size
97KB
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MD5
a3eb1776f8ee83c62c798135477eb45f
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SHA1
6e2520d14203dc719c8d3add60797d935d754c59
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SHA256
e5ae9964c7f9536cab733fd7d78b4b148b392f2f1a83db9ce0474e90d598bac3
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SHA512
05667d1de062245d20d5fe64d6a8cb26eb61a4b8ca3ed235bb07231c12775d0224bf1e39296b55fa4a7690489457f21b4d2e0186aafced6caaa4623d7ee7b038
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SSDEEP
1536:IZZZZZZZZZZZZpXzzzzzzzzzzzzV9rXounV98hbHnAlMqqU+2bbbAV2/S2LNmHkf:GBounVyFHkMqqDL2/LgHkctc
Malware Config
Signatures
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GandCrab payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/1744-0-0x000000000F660000-0x000000000F67B000-memory.dmp family_gandcrab behavioral2/memory/1744-4-0x000000000F660000-0x000000000F67B000-memory.dmp family_gandcrab -
Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
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Processes:
resource yara_rule behavioral2/memory/1744-0-0x000000000F660000-0x000000000F67B000-memory.dmp upx behavioral2/memory/1744-4-0x000000000F660000-0x000000000F67B000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\izdhqnnbbtp = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe" 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_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:
2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exedescription ioc process File opened (read-only) \??\B: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\P: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\T: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\W: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\X: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\Y: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\L: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\N: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\Q: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\R: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\V: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\A: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\E: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\H: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\K: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\S: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\Z: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\G: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\I: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\J: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\M: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\O: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe File opened (read-only) \??\U: 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exepid process 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exedescription pid process target process PID 1744 wrote to memory of 1824 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 1824 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 1824 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 2180 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 2180 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 2180 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 5056 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 5056 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 5056 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 4008 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 4008 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 4008 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 2296 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 2296 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 2296 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 2220 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 2220 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 2220 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 2696 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 2696 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 2696 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 4508 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 4508 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe PID 1744 wrote to memory of 4508 1744 2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe nslookup.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-18_a3eb1776f8ee83c62c798135477eb45f_gandcrab.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.coin dns1.soprodns.ru2⤵
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns2.soprodns.ru2⤵
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.coin dns2.soprodns.ru2⤵
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns2.soprodns.ru2⤵
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.coin dns1.soprodns.ru2⤵
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵