Analysis Overview
SHA256
3abe6e06f9db896245a607f1a6eb7e569e1c572ebfe58797c584bf73ca2e6a51
Threat Level: Known bad
The file 2024-06-13_7008ff53f3ace93289e2cfea8c29b967_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
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
2024-06-13 03:35
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 03:35
Reported
2024-06-13 03:37
Platform
win7-20240508-en
Max time kernel
147s
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 |
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 |
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_7008ff53f3ace93289e2cfea8c29b967_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2400 wrote to memory of 1036 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_7008ff53f3ace93289e2cfea8c29b967_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2400 wrote to memory of 1036 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_7008ff53f3ace93289e2cfea8c29b967_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2400 wrote to memory of 1036 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_7008ff53f3ace93289e2cfea8c29b967_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2400 wrote to memory of 1036 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_7008ff53f3ace93289e2cfea8c29b967_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_7008ff53f3ace93289e2cfea8c29b967_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_7008ff53f3ace93289e2cfea8c29b967_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 | 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/2400-0-0x0000000000320000-0x0000000000326000-memory.dmp
memory/2400-1-0x0000000000360000-0x0000000000366000-memory.dmp
memory/2400-9-0x0000000000320000-0x0000000000326000-memory.dmp
memory/2400-8-0x0000000000500000-0x000000000050F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 877af5a27c077235337800ff2d4b995a |
| SHA1 | e5cf4ded606012b5e7b80bce519d524d833ff4eb |
| SHA256 | bf32931e24e5aa101cbe8f7718e7301cfc115a593fac5b57affe4d1423fc7812 |
| SHA512 | f44aaf48d6ac065cd8b09c8b92a2181ab43ff7874aabf14d14bf5e5f1bed694b5f9e5ceadff1ec85c3cbabac567f7560c6f63d387990d4c2c3c95f022f60563e |
memory/1036-15-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1036-17-0x0000000000380000-0x0000000000386000-memory.dmp
memory/1036-24-0x00000000002C0000-0x00000000002C6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:35
Reported
2024-06-13 03:37
Platform
win10v2004-20240226-en
Max time kernel
142s
Max time network
154s
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 |
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 |
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_7008ff53f3ace93289e2cfea8c29b967_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 1420 wrote to memory of 1612 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_7008ff53f3ace93289e2cfea8c29b967_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1420 wrote to memory of 1612 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_7008ff53f3ace93289e2cfea8c29b967_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1420 wrote to memory of 1612 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_7008ff53f3ace93289e2cfea8c29b967_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_7008ff53f3ace93289e2cfea8c29b967_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_7008ff53f3ace93289e2cfea8c29b967_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=3740 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| GB | 172.217.169.74:443 | tcp | |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 13.107.253.64:443 | tcp | |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 3.17.178.52.in-addr.arpa | udp |
Files
memory/1420-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1420-1-0x00000000005E0000-0x00000000005E6000-memory.dmp
memory/1420-2-0x00000000005E0000-0x00000000005E6000-memory.dmp
memory/1420-3-0x0000000000600000-0x0000000000606000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 877af5a27c077235337800ff2d4b995a |
| SHA1 | e5cf4ded606012b5e7b80bce519d524d833ff4eb |
| SHA256 | bf32931e24e5aa101cbe8f7718e7301cfc115a593fac5b57affe4d1423fc7812 |
| SHA512 | f44aaf48d6ac065cd8b09c8b92a2181ab43ff7874aabf14d14bf5e5f1bed694b5f9e5ceadff1ec85c3cbabac567f7560c6f63d387990d4c2c3c95f022f60563e |
memory/1612-18-0x00000000007E0000-0x00000000007E6000-memory.dmp
memory/1612-25-0x00000000007B0000-0x00000000007B6000-memory.dmp
memory/1420-24-0x0000000000500000-0x000000000050F000-memory.dmp