Analysis Overview
SHA256
4794205743fec20338d5432ebf4ffb7cc72a63c77bd4aa3d7ee0cbcae09599e5
Threat Level: Known bad
The file 2024-01-25_e4ddd4de4ab282546388bba3f3c080aa_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Kinsing
Detection of CryptoLocker Variants
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Modifies system certificate store
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-25 17:39
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-25 17:39
Reported
2024-01-25 17:42
Platform
win7-20231215-en
Max time kernel
120s
Max time network
124s
Command Line
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\misid.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_e4ddd4de4ab282546388bba3f3c080aa_cryptolocker.exe | N/A |
Enumerates physical storage devices
Modifies system certificate store
| Description | Indicator | Process | Target |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\misid.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 | C:\Users\Admin\AppData\Local\Temp\misid.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\misid.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1988 wrote to memory of 2112 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_e4ddd4de4ab282546388bba3f3c080aa_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 1988 wrote to memory of 2112 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_e4ddd4de4ab282546388bba3f3c080aa_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 1988 wrote to memory of 2112 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_e4ddd4de4ab282546388bba3f3c080aa_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 1988 wrote to memory of 2112 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_e4ddd4de4ab282546388bba3f3c080aa_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_e4ddd4de4ab282546388bba3f3c080aa_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_e4ddd4de4ab282546388bba3f3c080aa_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | bestccc.com | udp |
| IN | 103.14.121.240:443 | bestccc.com | tcp |
| US | 8.8.8.8:53 | crl.comodoca.com | udp |
| US | 172.64.149.23:80 | crl.comodoca.com | tcp |
Files
memory/1988-1-0x0000000000240000-0x0000000000246000-memory.dmp
memory/1988-0-0x0000000000230000-0x0000000000233000-memory.dmp
memory/1988-2-0x0000000000470000-0x0000000000476000-memory.dmp
memory/1988-7-0x0000000000240000-0x0000000000246000-memory.dmp
\Users\Admin\AppData\Local\Temp\misid.exe
| MD5 | 7340663ed3af2a6675bcbf7edaebcdfe |
| SHA1 | 17f4bda0b3ff45c1bf590c4db14057cb1c5ace63 |
| SHA256 | 2ce6ad111a9ab18925fa902703392e32bbd06469ee80a94cf597b2b3295f00f1 |
| SHA512 | c23e4d86bf785a250ea19f28ce87190138a2fccf9590c7eb612f3dfe9b19e8767d54288d8fafc7e14f211ec7b8f7359012af6a82b3dc25cb7ff35559d8669000 |
memory/2112-15-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2112-17-0x0000000000300000-0x0000000000306000-memory.dmp
memory/2112-19-0x00000000002C0000-0x00000000002C6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Cab4710.tmp
| MD5 | ac05d27423a85adc1622c714f2cb6184 |
| SHA1 | b0fe2b1abddb97837ea0195be70ab2ff14d43198 |
| SHA256 | c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d |
| SHA512 | 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d |
C:\Users\Admin\AppData\Local\Temp\Tar47EE.tmp
| MD5 | 9c0c641c06238516f27941aa1166d427 |
| SHA1 | 64cd549fb8cf014fcd9312aa7a5b023847b6c977 |
| SHA256 | 4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f |
| SHA512 | 936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-25 17:39
Reported
2024-01-25 17:42
Platform
win10v2004-20231215-en
Max time kernel
143s
Max time network
156s
Command Line
Signatures
Kinsing
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\misid.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-01-25_e4ddd4de4ab282546388bba3f3c080aa_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\misid.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1000 wrote to memory of 1916 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_e4ddd4de4ab282546388bba3f3c080aa_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 1000 wrote to memory of 1916 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_e4ddd4de4ab282546388bba3f3c080aa_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 1000 wrote to memory of 1916 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_e4ddd4de4ab282546388bba3f3c080aa_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_e4ddd4de4ab282546388bba3f3c080aa_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_e4ddd4de4ab282546388bba3f3c080aa_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
Network
| Country | Destination | Domain | Proto |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | bestccc.com | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| IN | 103.14.121.240:443 | bestccc.com | tcp |
| US | 8.8.8.8:53 | 240.121.14.103.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 233.38.18.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.149.64.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | crl.comodoca.com | udp |
| US | 172.64.149.23:80 | crl.comodoca.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 114.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 12.173.189.20.in-addr.arpa | udp |
Files
memory/1000-0-0x00000000004E0000-0x00000000004E3000-memory.dmp
memory/1000-1-0x00000000005F0000-0x00000000005F6000-memory.dmp
memory/1000-2-0x00000000005F0000-0x00000000005F6000-memory.dmp
memory/1000-3-0x0000000000720000-0x0000000000726000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\misid.exe
| MD5 | 7340663ed3af2a6675bcbf7edaebcdfe |
| SHA1 | 17f4bda0b3ff45c1bf590c4db14057cb1c5ace63 |
| SHA256 | 2ce6ad111a9ab18925fa902703392e32bbd06469ee80a94cf597b2b3295f00f1 |
| SHA512 | c23e4d86bf785a250ea19f28ce87190138a2fccf9590c7eb612f3dfe9b19e8767d54288d8fafc7e14f211ec7b8f7359012af6a82b3dc25cb7ff35559d8669000 |
memory/1916-17-0x00000000004F0000-0x0000000000500000-memory.dmp
memory/1916-19-0x0000000002060000-0x0000000002066000-memory.dmp
memory/1916-22-0x0000000002150000-0x0000000002156000-memory.dmp
memory/1000-21-0x00000000004E0000-0x00000000004E3000-memory.dmp