Analysis Overview
SHA256
cc36e040e919a66504173b5649cc7621d220b3e29233cb7b0bf1641fe3b37694
Threat Level: Known bad
The file 2024-06-13_a999be43f2ac87b67a859ad971370f4c_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
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 03:47
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
2024-06-13 03:47
Reported
2024-06-13 03:49
Platform
win7-20240611-en
Max time kernel
148s
Max time network
149s
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 |
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 |
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\2024-06-13_a999be43f2ac87b67a859ad971370f4c_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 816 wrote to memory of 2744 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_a999be43f2ac87b67a859ad971370f4c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 816 wrote to memory of 2744 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_a999be43f2ac87b67a859ad971370f4c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 816 wrote to memory of 2744 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_a999be43f2ac87b67a859ad971370f4c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 816 wrote to memory of 2744 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_a999be43f2ac87b67a859ad971370f4c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_a999be43f2ac87b67a859ad971370f4c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_a999be43f2ac87b67a859ad971370f4c_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 | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
Files
memory/816-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/816-1-0x0000000000240000-0x0000000000246000-memory.dmp
memory/816-2-0x0000000000290000-0x0000000000296000-memory.dmp
memory/816-9-0x0000000000240000-0x0000000000246000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 9cdd74ce95626fb351f4e5c1e42b4c73 |
| SHA1 | 9625ee4d6d4a68dddd8e374a79f912ab20233154 |
| SHA256 | 440d3de588a979a49976c026274bdbb7038973c14f7597e909490a00cad3a2a4 |
| SHA512 | 4c53520e73ae3449f22839cb85ab9a597722142d473adca123c5379834a9c5f6feef3aa6f06abba736177a9457a773c4bd035fcc8d109b11b6c9676cd263a20a |
memory/816-15-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2744-16-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2744-18-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/2744-25-0x0000000000250000-0x0000000000256000-memory.dmp
memory/2744-26-0x0000000000500000-0x000000000050B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:47
Reported
2024-06-13 03:50
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
155s
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 |
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_a999be43f2ac87b67a859ad971370f4c_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 2408 wrote to memory of 736 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_a999be43f2ac87b67a859ad971370f4c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2408 wrote to memory of 736 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_a999be43f2ac87b67a859ad971370f4c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2408 wrote to memory of 736 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_a999be43f2ac87b67a859ad971370f4c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_a999be43f2ac87b67a859ad971370f4c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_a999be43f2ac87b67a859ad971370f4c_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 | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
Files
memory/2408-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2408-1-0x0000000000730000-0x0000000000736000-memory.dmp
memory/2408-2-0x0000000000750000-0x0000000000756000-memory.dmp
memory/2408-9-0x0000000000730000-0x0000000000736000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 9cdd74ce95626fb351f4e5c1e42b4c73 |
| SHA1 | 9625ee4d6d4a68dddd8e374a79f912ab20233154 |
| SHA256 | 440d3de588a979a49976c026274bdbb7038973c14f7597e909490a00cad3a2a4 |
| SHA512 | 4c53520e73ae3449f22839cb85ab9a597722142d473adca123c5379834a9c5f6feef3aa6f06abba736177a9457a773c4bd035fcc8d109b11b6c9676cd263a20a |
memory/2408-18-0x0000000000500000-0x000000000050B000-memory.dmp
memory/736-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/736-20-0x00000000006E0000-0x00000000006E6000-memory.dmp
memory/736-26-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/736-27-0x0000000000500000-0x000000000050B000-memory.dmp