Analysis
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max time kernel
140s -
max time network
146s -
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, 14:46
Behavioral task
behavioral1
Sample
2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe
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Size
145KB
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MD5
b3d2222111767d6438c200ceb1374366
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SHA1
af27b7d6970323a2af3f918728156d9555d94fa3
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SHA256
7ac909e622196fa6fb4962145eb2db873036a7ea25b5544b75bbecb0f84d8952
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SHA512
4669b7d210658f51c4aa10d0b7c03d2e2b7872171e2c6b4ea786aca2ac264b5631e78ee1d58f1c10cbd146f977bf9dbbe2bdee51089324b7af351e778cadf7ca
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SSDEEP
3072:rYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:ryOqqDL64vdGREz
Malware Config
Signatures
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GandCrab payload 2 IoCs
resource yara_rule behavioral2/memory/4208-0-0x0000000000400000-0x0000000000428000-memory.dmp family_gandcrab behavioral2/memory/4208-4-0x0000000000400000-0x0000000000428000-memory.dmp family_gandcrab -
Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
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Detects ransomware indicator 2 IoCs
resource yara_rule behavioral2/memory/4208-0-0x0000000000400000-0x0000000000428000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 behavioral2/memory/4208-4-0x0000000000400000-0x0000000000428000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 -
Gandcrab Payload 2 IoCs
resource yara_rule behavioral2/memory/4208-0-0x0000000000400000-0x0000000000428000-memory.dmp Gandcrab behavioral2/memory/4208-4-0x0000000000400000-0x0000000000428000-memory.dmp Gandcrab -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\gxfmykmhlqc = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe" 2024-03-22_b3d2222111767d6438c200ceb1374366_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) \??\Q: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\S: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\U: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\X: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\B: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\H: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\K: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\M: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\E: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\O: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\P: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\A: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\J: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\R: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\Z: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\T: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\V: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\W: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\Y: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\G: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\I: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\L: 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe File opened (read-only) \??\N: 2024-03-22_b3d2222111767d6438c200ceb1374366_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 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe -
Suspicious use of WriteProcessMemory 42 IoCs
description pid Process procid_target PID 4208 wrote to memory of 4264 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 99 PID 4208 wrote to memory of 4264 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 99 PID 4208 wrote to memory of 4264 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 99 PID 4208 wrote to memory of 5072 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 110 PID 4208 wrote to memory of 5072 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 110 PID 4208 wrote to memory of 5072 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 110 PID 4208 wrote to memory of 3064 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 112 PID 4208 wrote to memory of 3064 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 112 PID 4208 wrote to memory of 3064 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 112 PID 4208 wrote to memory of 4824 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 115 PID 4208 wrote to memory of 4824 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 115 PID 4208 wrote to memory of 4824 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 115 PID 4208 wrote to memory of 2660 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 118 PID 4208 wrote to memory of 2660 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 118 PID 4208 wrote to memory of 2660 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 118 PID 4208 wrote to memory of 960 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 121 PID 4208 wrote to memory of 960 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 121 PID 4208 wrote to memory of 960 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 121 PID 4208 wrote to memory of 3808 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 123 PID 4208 wrote to memory of 3808 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 123 PID 4208 wrote to memory of 3808 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 123 PID 4208 wrote to memory of 2688 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 126 PID 4208 wrote to memory of 2688 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 126 PID 4208 wrote to memory of 2688 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 126 PID 4208 wrote to memory of 1716 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 128 PID 4208 wrote to memory of 1716 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 128 PID 4208 wrote to memory of 1716 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 128 PID 4208 wrote to memory of 3228 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 130 PID 4208 wrote to memory of 3228 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 130 PID 4208 wrote to memory of 3228 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 130 PID 4208 wrote to memory of 3508 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 138 PID 4208 wrote to memory of 3508 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 138 PID 4208 wrote to memory of 3508 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 138 PID 4208 wrote to memory of 4868 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 140 PID 4208 wrote to memory of 4868 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 140 PID 4208 wrote to memory of 4868 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 140 PID 4208 wrote to memory of 1960 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 142 PID 4208 wrote to memory of 1960 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 142 PID 4208 wrote to memory of 1960 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 142 PID 4208 wrote to memory of 2960 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 147 PID 4208 wrote to memory of 2960 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 147 PID 4208 wrote to memory of 2960 4208 2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe 147
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-22_b3d2222111767d6438c200ceb1374366_gandcrab.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-22_b3d2222111767d6438c200ceb1374366_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:4208 -
C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:4264
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:5072
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:3064
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:4824
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:2660
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:960
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:3808
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:2688
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:1716
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:3228
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:3508
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:4868
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:1960
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:2960
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4260 --field-trial-handle=3488,i,1267426273081718772,6254127258555406296,262144 --variations-seed-version /prefetch:81⤵PID:1636