Analysis Overview
SHA256
c3de94a0b93a7a0064bdbb578fb469a093bcdd54f06d6b5c9f8a30f05046a5a2
Threat Level: Known bad
The file 2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 03:48
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 03:48
Reported
2024-06-13 03:50
Platform
win7-20240221-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 |
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\2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1976 wrote to memory of 2916 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1976 wrote to memory of 2916 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1976 wrote to memory of 2916 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1976 wrote to memory of 2916 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_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 | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
Files
memory/1976-0-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/1976-1-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/1976-8-0x00000000001D0000-0x00000000001D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 22ab04096f0a63860d7c24223c7f44ee |
| SHA1 | 5f4e595d630b577a9732328ef9d6a0c1ab1dda21 |
| SHA256 | 12fb239c7b41ebf0dcb1124eeb3aa4336bdb409beaf918c65758935f82d48c93 |
| SHA512 | cf6d4f8f669eec8587acb409af2b5129030edaabb3ac8258c4d5271af4b47cbbbb981144e382d3609a26fc1d41b6ba5f97cc18f179b00e1187e8bf0cc68c82b6 |
memory/2916-22-0x0000000000330000-0x0000000000336000-memory.dmp
memory/2916-15-0x0000000000370000-0x0000000000376000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:48
Reported
2024-06-13 03:50
Platform
win10v2004-20240226-en
Max time kernel
142s
Max time network
155s
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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_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 372 wrote to memory of 4676 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 372 wrote to memory of 4676 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 372 wrote to memory of 4676 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3704 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 121.150.79.40.in-addr.arpa | udp |
Files
memory/372-0-0x00000000021A0000-0x00000000021A6000-memory.dmp
memory/372-1-0x00000000021A0000-0x00000000021A6000-memory.dmp
memory/372-2-0x00000000021C0000-0x00000000021C6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 22ab04096f0a63860d7c24223c7f44ee |
| SHA1 | 5f4e595d630b577a9732328ef9d6a0c1ab1dda21 |
| SHA256 | 12fb239c7b41ebf0dcb1124eeb3aa4336bdb409beaf918c65758935f82d48c93 |
| SHA512 | cf6d4f8f669eec8587acb409af2b5129030edaabb3ac8258c4d5271af4b47cbbbb981144e382d3609a26fc1d41b6ba5f97cc18f179b00e1187e8bf0cc68c82b6 |
memory/4676-17-0x00000000005D0000-0x00000000005D6000-memory.dmp
memory/4676-23-0x00000000005B0000-0x00000000005B6000-memory.dmp