Analysis Overview
SHA256
fadf71edc8cbbd66d37a654d7079591772cdd626abe7ca47dd05136ecd91e954
Threat Level: Known bad
The file 2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_cryptolocker was found to be: Known bad.
Malicious Activity Summary
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
Loads dropped DLL
Executes dropped EXE
UPX packed file
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
2024-06-13 03:50
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 |
Detection of Cryptolocker Samples
| Description | Indicator | Process | Target |
| 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 |
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 |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-13 03:50
Reported
2024-06-13 03:53
Platform
win7-20240611-en
Max time kernel
147s
Max time network
148s
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 |
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 |
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 |
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_cec3418b7ad8c07722a28e88dcf7dfb8_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 |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2456 wrote to memory of 2880 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2456 wrote to memory of 2880 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2456 wrote to memory of 2880 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2456 wrote to memory of 2880 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_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/2456-0-0x00000000002D0000-0x00000000002D6000-memory.dmp
memory/2456-1-0x0000000000310000-0x0000000000316000-memory.dmp
memory/2456-7-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2456-8-0x00000000002D0000-0x00000000002D6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 51256a3d9b043607a066d162bbdf98df |
| SHA1 | 0abbf0a4110a907484b30f1b3de0a111edc8df9b |
| SHA256 | 2ee47f16c10d15fd1482d8ed2faa815ee3683add39385e75eab8bf60881b586b |
| SHA512 | 1d1276691a3ed5805c7369d571ffb7d1bd9a16cffa917111aa551a86d31f3f5f22efb13634c6935833e3febfc6340c40f8b15b9b97225f264964ec8c4ed72a04 |
memory/2456-13-0x00000000006E0000-0x00000000006EF000-memory.dmp
memory/2880-18-0x0000000000280000-0x0000000000286000-memory.dmp
memory/2880-26-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2880-25-0x0000000000240000-0x0000000000246000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:50
Reported
2024-06-13 03:53
Platform
win10v2004-20240226-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 |
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 |
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 |
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_cec3418b7ad8c07722a28e88dcf7dfb8_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 |
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 |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5112 wrote to memory of 4956 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 5112 wrote to memory of 4956 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 5112 wrote to memory of 4956 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_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=3976 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| GB | 96.16.110.114:80 | 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 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.234.34.23.in-addr.arpa | udp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 29.243.111.52.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 | 8.8.8.8:53 | 131.72.42.20.in-addr.arpa | udp |
Files
memory/5112-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/5112-1-0x0000000000560000-0x0000000000566000-memory.dmp
memory/5112-2-0x0000000000560000-0x0000000000566000-memory.dmp
memory/5112-3-0x0000000002070000-0x0000000002076000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 51256a3d9b043607a066d162bbdf98df |
| SHA1 | 0abbf0a4110a907484b30f1b3de0a111edc8df9b |
| SHA256 | 2ee47f16c10d15fd1482d8ed2faa815ee3683add39385e75eab8bf60881b586b |
| SHA512 | 1d1276691a3ed5805c7369d571ffb7d1bd9a16cffa917111aa551a86d31f3f5f22efb13634c6935833e3febfc6340c40f8b15b9b97225f264964ec8c4ed72a04 |
memory/4956-20-0x00000000006E0000-0x00000000006E6000-memory.dmp
memory/5112-19-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4956-26-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/4956-27-0x0000000000500000-0x000000000050F000-memory.dmp