Analysis Overview
SHA256
2fe1db3ef4c8be357a8f1498767af645beec509ad7c0be43594baeb0a96daaf3
Threat Level: Known bad
The file 2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-11 02:25
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 |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-11 02:25
Reported
2024-06-11 02:27
Platform
win7-20240221-en
Max time kernel
148s
Max time network
148s
Command Line
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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\asih.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 832 wrote to memory of 2732 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 832 wrote to memory of 2732 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 832 wrote to memory of 2732 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 832 wrote to memory of 2732 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
Files
memory/832-0-0x00000000002B0000-0x00000000002B6000-memory.dmp
memory/832-1-0x0000000000370000-0x0000000000376000-memory.dmp
memory/832-8-0x00000000002B0000-0x00000000002B6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | dc29ee9a5f218b739d83ce2226349ffe |
| SHA1 | f1e8fa8fe64c0fc23272a06f335529ac674e5ee5 |
| SHA256 | 698acf8a71542aa2dc32797a508b5e124b5d9266593bb5ea9fc66ddd7b8e9c73 |
| SHA512 | 150173a271d1c86391cc9abc2ea4298d8779aa0fe55c25150ad36b0b2d7a45fa757c5d0bd9ce49f4dac1252687c10cabc1c6bfcb1de0eee5f4c39c729961e234 |
memory/2732-16-0x0000000000460000-0x0000000000466000-memory.dmp
memory/2732-15-0x00000000002C0000-0x00000000002C6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 02:25
Reported
2024-06-11 02:27
Platform
win10v2004-20240426-en
Max time kernel
148s
Max time network
150s
Command Line
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\asih.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4956 wrote to memory of 4784 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4956 wrote to memory of 4784 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4956 wrote to memory of 4784 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 6.160.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
Files
memory/4956-0-0x0000000000560000-0x0000000000566000-memory.dmp
memory/4956-1-0x00000000005D0000-0x00000000005D6000-memory.dmp
memory/4956-8-0x0000000000560000-0x0000000000566000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | dc29ee9a5f218b739d83ce2226349ffe |
| SHA1 | f1e8fa8fe64c0fc23272a06f335529ac674e5ee5 |
| SHA256 | 698acf8a71542aa2dc32797a508b5e124b5d9266593bb5ea9fc66ddd7b8e9c73 |
| SHA512 | 150173a271d1c86391cc9abc2ea4298d8779aa0fe55c25150ad36b0b2d7a45fa757c5d0bd9ce49f4dac1252687c10cabc1c6bfcb1de0eee5f4c39c729961e234 |
memory/4784-23-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/4784-17-0x00000000004F0000-0x00000000004F6000-memory.dmp