Analysis Overview
SHA256
e2090f410d4cca626001c53199a367bb00d12fcfbcd48722f806f5cdd5f62255
Threat Level: Known bad
The file 2024-01-25_862fb7858e5217ad87827bb6960c81e2_cryptolocker was found to be: Known bad.
Malicious Activity Summary
UPX dump on OEP (original entry point)
Kinsing
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Detection of Cryptolocker Samples
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
UPX packed file
Loads dropped DLL
Executes dropped EXE
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 17:32
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detection of Cryptolocker Samples
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| 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 17:32
Reported
2024-01-25 17:34
Platform
win7-20231215-en
Max time kernel
120s
Max time network
123s
Command Line
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detection of Cryptolocker Samples
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| 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_862fb7858e5217ad87827bb6960c81e2_cryptolocker.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Modifies system certificate store
| Description | Indicator | Process | Target |
| 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 |
| 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 1316 wrote to memory of 2216 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_862fb7858e5217ad87827bb6960c81e2_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 1316 wrote to memory of 2216 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_862fb7858e5217ad87827bb6960c81e2_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 1316 wrote to memory of 2216 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_862fb7858e5217ad87827bb6960c81e2_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 1316 wrote to memory of 2216 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_862fb7858e5217ad87827bb6960c81e2_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_862fb7858e5217ad87827bb6960c81e2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_862fb7858e5217ad87827bb6960c81e2_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 | 104.18.38.233:80 | crl.comodoca.com | tcp |
Files
memory/1316-1-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1316-0-0x0000000000240000-0x0000000000246000-memory.dmp
memory/1316-3-0x0000000000240000-0x0000000000246000-memory.dmp
memory/1316-2-0x0000000000470000-0x0000000000476000-memory.dmp
\Users\Admin\AppData\Local\Temp\misid.exe
| MD5 | 6401654b2b89b9be078e81f70a936c57 |
| SHA1 | 38c12f94305530d1b2b6dcbac48256758b11af3a |
| SHA256 | 9616e2cf396283d3d3877c2f28489fcbf5df3685ac906d862c643e37d9e0e1d4 |
| SHA512 | b138bfa3815705f064e051f8e006b54be4e213e2917a315ac71253bfe7d5cef4d88bbbbc1f894c6bc76667fed9587dd1f63db8f747da3caa4dc2d43871cd1a52 |
memory/1316-15-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1316-14-0x0000000002480000-0x0000000002490000-memory.dmp
memory/2216-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2216-19-0x00000000002F0000-0x00000000002F6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Cab40F8.tmp
| MD5 | ac05d27423a85adc1622c714f2cb6184 |
| SHA1 | b0fe2b1abddb97837ea0195be70ab2ff14d43198 |
| SHA256 | c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d |
| SHA512 | 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d |
C:\Users\Admin\AppData\Local\Temp\Tar4214.tmp
| MD5 | 9c0c641c06238516f27941aa1166d427 |
| SHA1 | 64cd549fb8cf014fcd9312aa7a5b023847b6c977 |
| SHA256 | 4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f |
| SHA512 | 936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06 |
memory/2216-91-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1316-92-0x0000000002480000-0x0000000002490000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-25 17:32
Reported
2024-01-25 17:34
Platform
win10v2004-20231222-en
Max time kernel
145s
Max time network
147s
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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detection of Cryptolocker Samples
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| 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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-01-25_862fb7858e5217ad87827bb6960c81e2_cryptolocker.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\misid.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\misid.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4148 wrote to memory of 3484 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_862fb7858e5217ad87827bb6960c81e2_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 4148 wrote to memory of 3484 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_862fb7858e5217ad87827bb6960c81e2_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
| PID 4148 wrote to memory of 3484 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_862fb7858e5217ad87827bb6960c81e2_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\misid.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_862fb7858e5217ad87827bb6960c81e2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_862fb7858e5217ad87827bb6960c81e2_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 | 241.150.49.20.in-addr.arpa | udp |
| 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 |
| US | 8.8.8.8:53 | 85.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.121.14.103.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.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 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 130.109.69.13.in-addr.arpa | udp |
Files
memory/4148-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4148-1-0x00000000007B0000-0x00000000007B6000-memory.dmp
memory/4148-2-0x00000000007B0000-0x00000000007B6000-memory.dmp
memory/4148-3-0x00000000007D0000-0x00000000007D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\misid.exe
| MD5 | 6401654b2b89b9be078e81f70a936c57 |
| SHA1 | 38c12f94305530d1b2b6dcbac48256758b11af3a |
| SHA256 | 9616e2cf396283d3d3877c2f28489fcbf5df3685ac906d862c643e37d9e0e1d4 |
| SHA512 | b138bfa3815705f064e051f8e006b54be4e213e2917a315ac71253bfe7d5cef4d88bbbbc1f894c6bc76667fed9587dd1f63db8f747da3caa4dc2d43871cd1a52 |
memory/3484-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4148-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3484-20-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/3484-26-0x0000000000660000-0x0000000000666000-memory.dmp
memory/3484-55-0x0000000000500000-0x0000000000510000-memory.dmp