Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
19-07-2023 14:50
Static task
static1
Behavioral task
behavioral1
Sample
efe5bc271a5b05exe_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
efe5bc271a5b05exe_JC.exe
Resource
win10v2004-20230703-en
General
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Target
efe5bc271a5b05exe_JC.exe
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Size
351KB
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MD5
efe5bc271a5b05a0ad15b6b1a2a5d0c3
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SHA1
979f027efd0f6941a334bb529d7f871411a50d34
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SHA256
8b1598f09dcf1be0fd7eb4f03f3287e1667e16e8e1e8ef7cfd8b8985a0fd11d3
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SHA512
a00bc840a1f661d6fbc3035c6129326de085dd23b4996b4c4e9d11e3bff9710b2c47f872d1e4b68ddddbc9ba764866b3c3238727d80e1eaa243685be297f253d
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SSDEEP
3072:rpNMs+Kr1wbWGjl0xjsNNeVKBNVBxKT46xl+wndfIQQOaC3QBn7/hsb2BhGZ1/Nb:rpNMsLWEjsXjBATRpuuwnGD/Nj6a
Malware Config
Signatures
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GandCrab payload 4 IoCs
resource yara_rule behavioral1/memory/2600-57-0x0000000000400000-0x00000000012D6000-memory.dmp family_gandcrab behavioral1/memory/2600-58-0x0000000000260000-0x0000000000277000-memory.dmp family_gandcrab behavioral1/memory/2600-66-0x0000000000400000-0x00000000012D6000-memory.dmp family_gandcrab behavioral1/memory/2600-68-0x0000000000260000-0x0000000000277000-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 64 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 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 efe5bc271a5b05exe_JC.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\vhbeptbuwpz = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\lubqdh.exe\"" efe5bc271a5b05exe_JC.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) \??\G: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\M: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\N: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\Q: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\Z: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\E: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\S: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\U: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\V: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\H: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\B: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\J: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\K: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\O: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\T: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\A: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\L: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\P: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\R: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\W: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\X: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\Y: efe5bc271a5b05exe_JC.exe File opened (read-only) \??\I: efe5bc271a5b05exe_JC.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 efe5bc271a5b05exe_JC.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString efe5bc271a5b05exe_JC.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier efe5bc271a5b05exe_JC.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2600 efe5bc271a5b05exe_JC.exe 2600 efe5bc271a5b05exe_JC.exe -
Suspicious use of WriteProcessMemory 52 IoCs
description pid Process procid_target PID 2600 wrote to memory of 1416 2600 efe5bc271a5b05exe_JC.exe 28 PID 2600 wrote to memory of 1416 2600 efe5bc271a5b05exe_JC.exe 28 PID 2600 wrote to memory of 1416 2600 efe5bc271a5b05exe_JC.exe 28 PID 2600 wrote to memory of 1416 2600 efe5bc271a5b05exe_JC.exe 28 PID 2600 wrote to memory of 1580 2600 efe5bc271a5b05exe_JC.exe 32 PID 2600 wrote to memory of 1580 2600 efe5bc271a5b05exe_JC.exe 32 PID 2600 wrote to memory of 1580 2600 efe5bc271a5b05exe_JC.exe 32 PID 2600 wrote to memory of 1580 2600 efe5bc271a5b05exe_JC.exe 32 PID 2600 wrote to memory of 2816 2600 efe5bc271a5b05exe_JC.exe 34 PID 2600 wrote to memory of 2816 2600 efe5bc271a5b05exe_JC.exe 34 PID 2600 wrote to memory of 2816 2600 efe5bc271a5b05exe_JC.exe 34 PID 2600 wrote to memory of 2816 2600 efe5bc271a5b05exe_JC.exe 34 PID 2600 wrote to memory of 2936 2600 efe5bc271a5b05exe_JC.exe 36 PID 2600 wrote to memory of 2936 2600 efe5bc271a5b05exe_JC.exe 36 PID 2600 wrote to memory of 2936 2600 efe5bc271a5b05exe_JC.exe 36 PID 2600 wrote to memory of 2936 2600 efe5bc271a5b05exe_JC.exe 36 PID 2600 wrote to memory of 3040 2600 efe5bc271a5b05exe_JC.exe 38 PID 2600 wrote to memory of 3040 2600 efe5bc271a5b05exe_JC.exe 38 PID 2600 wrote to memory of 3040 2600 efe5bc271a5b05exe_JC.exe 38 PID 2600 wrote to memory of 3040 2600 efe5bc271a5b05exe_JC.exe 38 PID 2600 wrote to memory of 2940 2600 efe5bc271a5b05exe_JC.exe 40 PID 2600 wrote to memory of 2940 2600 efe5bc271a5b05exe_JC.exe 40 PID 2600 wrote to memory of 2940 2600 efe5bc271a5b05exe_JC.exe 40 PID 2600 wrote to memory of 2940 2600 efe5bc271a5b05exe_JC.exe 40 PID 2600 wrote to memory of 2488 2600 efe5bc271a5b05exe_JC.exe 42 PID 2600 wrote to memory of 2488 2600 efe5bc271a5b05exe_JC.exe 42 PID 2600 wrote to memory of 2488 2600 efe5bc271a5b05exe_JC.exe 42 PID 2600 wrote to memory of 2488 2600 efe5bc271a5b05exe_JC.exe 42 PID 2600 wrote to memory of 2920 2600 efe5bc271a5b05exe_JC.exe 44 PID 2600 wrote to memory of 2920 2600 efe5bc271a5b05exe_JC.exe 44 PID 2600 wrote to memory of 2920 2600 efe5bc271a5b05exe_JC.exe 44 PID 2600 wrote to memory of 2920 2600 efe5bc271a5b05exe_JC.exe 44 PID 2600 wrote to memory of 2896 2600 efe5bc271a5b05exe_JC.exe 46 PID 2600 wrote to memory of 2896 2600 efe5bc271a5b05exe_JC.exe 46 PID 2600 wrote to memory of 2896 2600 efe5bc271a5b05exe_JC.exe 46 PID 2600 wrote to memory of 2896 2600 efe5bc271a5b05exe_JC.exe 46 PID 2600 wrote to memory of 2776 2600 efe5bc271a5b05exe_JC.exe 48 PID 2600 wrote to memory of 2776 2600 efe5bc271a5b05exe_JC.exe 48 PID 2600 wrote to memory of 2776 2600 efe5bc271a5b05exe_JC.exe 48 PID 2600 wrote to memory of 2776 2600 efe5bc271a5b05exe_JC.exe 48 PID 2600 wrote to memory of 2764 2600 efe5bc271a5b05exe_JC.exe 50 PID 2600 wrote to memory of 2764 2600 efe5bc271a5b05exe_JC.exe 50 PID 2600 wrote to memory of 2764 2600 efe5bc271a5b05exe_JC.exe 50 PID 2600 wrote to memory of 2764 2600 efe5bc271a5b05exe_JC.exe 50 PID 2600 wrote to memory of 2568 2600 efe5bc271a5b05exe_JC.exe 52 PID 2600 wrote to memory of 2568 2600 efe5bc271a5b05exe_JC.exe 52 PID 2600 wrote to memory of 2568 2600 efe5bc271a5b05exe_JC.exe 52 PID 2600 wrote to memory of 2568 2600 efe5bc271a5b05exe_JC.exe 52 PID 2600 wrote to memory of 2036 2600 efe5bc271a5b05exe_JC.exe 54 PID 2600 wrote to memory of 2036 2600 efe5bc271a5b05exe_JC.exe 54 PID 2600 wrote to memory of 2036 2600 efe5bc271a5b05exe_JC.exe 54 PID 2600 wrote to memory of 2036 2600 efe5bc271a5b05exe_JC.exe 54
Processes
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C:\Users\Admin\AppData\Local\Temp\efe5bc271a5b05exe_JC.exe"C:\Users\Admin\AppData\Local\Temp\efe5bc271a5b05exe_JC.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2600 -
C:\Windows\SysWOW64\nslookup.exenslookup carder.bit ns1.wowservers.ru2⤵PID:1416
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C:\Windows\SysWOW64\nslookup.exenslookup ransomware.bit ns2.wowservers.ru2⤵PID:1580
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C:\Windows\SysWOW64\nslookup.exenslookup carder.bit ns2.wowservers.ru2⤵PID:2816
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C:\Windows\SysWOW64\nslookup.exenslookup ransomware.bit ns1.wowservers.ru2⤵PID:2936
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C:\Windows\SysWOW64\nslookup.exenslookup carder.bit ns1.wowservers.ru2⤵PID:3040
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C:\Windows\SysWOW64\nslookup.exenslookup ransomware.bit ns2.wowservers.ru2⤵PID:2940
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C:\Windows\SysWOW64\nslookup.exenslookup carder.bit ns2.wowservers.ru2⤵PID:2488
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C:\Windows\SysWOW64\nslookup.exenslookup ransomware.bit ns1.wowservers.ru2⤵PID:2920
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C:\Windows\SysWOW64\nslookup.exenslookup carder.bit ns1.wowservers.ru2⤵PID:2896
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C:\Windows\SysWOW64\nslookup.exenslookup ransomware.bit ns2.wowservers.ru2⤵PID:2776
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C:\Windows\SysWOW64\nslookup.exenslookup carder.bit ns2.wowservers.ru2⤵PID:2764
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C:\Windows\SysWOW64\nslookup.exenslookup ransomware.bit ns1.wowservers.ru2⤵PID:2568
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C:\Windows\SysWOW64\nslookup.exenslookup carder.bit ns1.wowservers.ru2⤵PID:2036
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