Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20230705-en -
resource tags
arch:x64arch:x86image:win7-20230705-enlocale:en-usos:windows7-x64system -
submitted
08-07-2023 18:16
Static task
static1
Behavioral task
behavioral1
Sample
91b5c2ae08114eexeexeexeex.exe
Resource
win7-20230705-en
Behavioral task
behavioral2
Sample
91b5c2ae08114eexeexeexeex.exe
Resource
win10v2004-20230703-en
General
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Target
91b5c2ae08114eexeexeexeex.exe
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Size
308KB
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MD5
91b5c2ae08114eb93b204c8c9263627d
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SHA1
1d2abeec1f3dfde5b56ce1ed7f98375a254e899a
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SHA256
7ddc1919366b072312280e37a1b87279b61bf0d66c95ac9874e176a85bae1963
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SHA512
7f6c53bec162ee060568e136fc13e891ca4fd65dd7c21dc79cc0d1da1d149519e7ca818b37fb95e1a68e4d5aeaf3ca66763966790cbdccd7b863cfc7bf7160f5
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SSDEEP
6144:bzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:JDHNam62ZdKmZmuPH
Malware Config
Signatures
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GandCrab payload 4 IoCs
resource yara_rule behavioral1/memory/1984-55-0x0000000000400000-0x0000000001400000-memory.dmp family_gandcrab behavioral1/memory/1984-56-0x00000000003E0000-0x00000000003F7000-memory.dmp family_gandcrab behavioral1/memory/1984-63-0x0000000000400000-0x0000000001400000-memory.dmp family_gandcrab behavioral1/memory/1984-65-0x00000000003E0000-0x00000000003F7000-memory.dmp family_gandcrab -
Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
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Unexpected DNS network traffic destination 47 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 Destination IP 35.205.61.67 -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce 91b5c2ae08114eexeexeexeex.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\bqunaocgsrd = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\uqbkvc.exe\"" 91b5c2ae08114eexeexeexeex.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\N: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\P: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\T: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\W: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\I: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\M: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\H: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\K: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\Q: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\S: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\Z: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\E: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\F: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\R: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\V: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\Y: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\J: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\L: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\G: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\O: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\U: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\X: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\A: 91b5c2ae08114eexeexeexeex.exe File opened (read-only) \??\B: 91b5c2ae08114eexeexeexeex.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 91b5c2ae08114eexeexeexeex.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 91b5c2ae08114eexeexeexeex.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 91b5c2ae08114eexeexeexeex.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1984 91b5c2ae08114eexeexeexeex.exe 1984 91b5c2ae08114eexeexeexeex.exe -
Suspicious use of WriteProcessMemory 40 IoCs
description pid Process procid_target PID 1984 wrote to memory of 2980 1984 91b5c2ae08114eexeexeexeex.exe 27 PID 1984 wrote to memory of 2980 1984 91b5c2ae08114eexeexeexeex.exe 27 PID 1984 wrote to memory of 2980 1984 91b5c2ae08114eexeexeexeex.exe 27 PID 1984 wrote to memory of 2980 1984 91b5c2ae08114eexeexeexeex.exe 27 PID 1984 wrote to memory of 2068 1984 91b5c2ae08114eexeexeexeex.exe 29 PID 1984 wrote to memory of 2068 1984 91b5c2ae08114eexeexeexeex.exe 29 PID 1984 wrote to memory of 2068 1984 91b5c2ae08114eexeexeexeex.exe 29 PID 1984 wrote to memory of 2068 1984 91b5c2ae08114eexeexeexeex.exe 29 PID 1984 wrote to memory of 952 1984 91b5c2ae08114eexeexeexeex.exe 31 PID 1984 wrote to memory of 952 1984 91b5c2ae08114eexeexeexeex.exe 31 PID 1984 wrote to memory of 952 1984 91b5c2ae08114eexeexeexeex.exe 31 PID 1984 wrote to memory of 952 1984 91b5c2ae08114eexeexeexeex.exe 31 PID 1984 wrote to memory of 1268 1984 91b5c2ae08114eexeexeexeex.exe 33 PID 1984 wrote to memory of 1268 1984 91b5c2ae08114eexeexeexeex.exe 33 PID 1984 wrote to memory of 1268 1984 91b5c2ae08114eexeexeexeex.exe 33 PID 1984 wrote to memory of 1268 1984 91b5c2ae08114eexeexeexeex.exe 33 PID 1984 wrote to memory of 1048 1984 91b5c2ae08114eexeexeexeex.exe 35 PID 1984 wrote to memory of 1048 1984 91b5c2ae08114eexeexeexeex.exe 35 PID 1984 wrote to memory of 1048 1984 91b5c2ae08114eexeexeexeex.exe 35 PID 1984 wrote to memory of 1048 1984 91b5c2ae08114eexeexeexeex.exe 35 PID 1984 wrote to memory of 2140 1984 91b5c2ae08114eexeexeexeex.exe 37 PID 1984 wrote to memory of 2140 1984 91b5c2ae08114eexeexeexeex.exe 37 PID 1984 wrote to memory of 2140 1984 91b5c2ae08114eexeexeexeex.exe 37 PID 1984 wrote to memory of 2140 1984 91b5c2ae08114eexeexeexeex.exe 37 PID 1984 wrote to memory of 1096 1984 91b5c2ae08114eexeexeexeex.exe 39 PID 1984 wrote to memory of 1096 1984 91b5c2ae08114eexeexeexeex.exe 39 PID 1984 wrote to memory of 1096 1984 91b5c2ae08114eexeexeexeex.exe 39 PID 1984 wrote to memory of 1096 1984 91b5c2ae08114eexeexeexeex.exe 39 PID 1984 wrote to memory of 1988 1984 91b5c2ae08114eexeexeexeex.exe 41 PID 1984 wrote to memory of 1988 1984 91b5c2ae08114eexeexeexeex.exe 41 PID 1984 wrote to memory of 1988 1984 91b5c2ae08114eexeexeexeex.exe 41 PID 1984 wrote to memory of 1988 1984 91b5c2ae08114eexeexeexeex.exe 41 PID 1984 wrote to memory of 2748 1984 91b5c2ae08114eexeexeexeex.exe 43 PID 1984 wrote to memory of 2748 1984 91b5c2ae08114eexeexeexeex.exe 43 PID 1984 wrote to memory of 2748 1984 91b5c2ae08114eexeexeexeex.exe 43 PID 1984 wrote to memory of 2748 1984 91b5c2ae08114eexeexeexeex.exe 43 PID 1984 wrote to memory of 2628 1984 91b5c2ae08114eexeexeexeex.exe 45 PID 1984 wrote to memory of 2628 1984 91b5c2ae08114eexeexeexeex.exe 45 PID 1984 wrote to memory of 2628 1984 91b5c2ae08114eexeexeexeex.exe 45 PID 1984 wrote to memory of 2628 1984 91b5c2ae08114eexeexeexeex.exe 45
Processes
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C:\Users\Admin\AppData\Local\Temp\91b5c2ae08114eexeexeexeex.exe"C:\Users\Admin\AppData\Local\Temp\91b5c2ae08114eexeexeexeex.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1984 -
C:\Windows\SysWOW64\nslookup.exenslookup carder.bit ns1.wowservers.ru2⤵PID:2980
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C:\Windows\SysWOW64\nslookup.exenslookup ransomware.bit ns2.wowservers.ru2⤵PID:2068
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C:\Windows\SysWOW64\nslookup.exenslookup carder.bit ns2.wowservers.ru2⤵PID:952
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C:\Windows\SysWOW64\nslookup.exenslookup ransomware.bit ns1.wowservers.ru2⤵PID:1268
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C:\Windows\SysWOW64\nslookup.exenslookup carder.bit ns1.wowservers.ru2⤵PID:1048
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C:\Windows\SysWOW64\nslookup.exenslookup ransomware.bit ns2.wowservers.ru2⤵PID:2140
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C:\Windows\SysWOW64\nslookup.exenslookup carder.bit ns2.wowservers.ru2⤵PID:1096
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C:\Windows\SysWOW64\nslookup.exenslookup ransomware.bit ns1.wowservers.ru2⤵PID:1988
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C:\Windows\SysWOW64\nslookup.exenslookup carder.bit ns1.wowservers.ru2⤵PID:2748
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C:\Windows\SysWOW64\nslookup.exenslookup ransomware.bit ns2.wowservers.ru2⤵PID:2628
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