Analysis Overview
SHA256
e5250f45f3c4b75b51c6ce0d695315569b62461323471bd022159c6be175ea84
Threat Level: Known bad
The file 2024-05-27_53990de269da670c74a9e658a412c922_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
2024-05-27 18:30
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
2024-05-27 18:30
Reported
2024-05-27 18:32
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 |
| 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\2024-05-27_53990de269da670c74a9e658a412c922_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2032 wrote to memory of 2636 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-27_53990de269da670c74a9e658a412c922_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2032 wrote to memory of 2636 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-27_53990de269da670c74a9e658a412c922_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2032 wrote to memory of 2636 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-27_53990de269da670c74a9e658a412c922_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2032 wrote to memory of 2636 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-27_53990de269da670c74a9e658a412c922_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-27_53990de269da670c74a9e658a412c922_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-27_53990de269da670c74a9e658a412c922_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 | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| 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 | 54.209.32.212:443 | emrlogistics.com | tcp |
Files
memory/2032-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2032-2-0x00000000004C0000-0x00000000004C6000-memory.dmp
memory/2032-1-0x0000000000250000-0x0000000000256000-memory.dmp
memory/2032-9-0x0000000000250000-0x0000000000256000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 59dd7b3782d97be2069a85bfa9d76990 |
| SHA1 | f21baf32f3ec8ed531b94a702ce63835c6bb66f0 |
| SHA256 | 64798fe77a7ef159e7739536b967ed60e621f07ff0475ba70df9062b4b9a1c5b |
| SHA512 | cd1781b5a5ddd6eaba8021506c0809834a243a06d5ce57b4d222fa1f6b2abe57190932364decc714a17aac324fff78041f8aa229ad61ac7d2f46d3c218049507 |
memory/2032-13-0x0000000002840000-0x000000000284B000-memory.dmp
memory/2032-16-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2636-18-0x00000000002D0000-0x00000000002D6000-memory.dmp
memory/2636-25-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2636-26-0x0000000000500000-0x000000000050B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-27 18:30
Reported
2024-05-27 18:32
Platform
win10v2004-20240508-en
Max time kernel
148s
Max time network
160s
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-05-27_53990de269da670c74a9e658a412c922_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 2012 wrote to memory of 3272 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-27_53990de269da670c74a9e658a412c922_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2012 wrote to memory of 3272 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-27_53990de269da670c74a9e658a412c922_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2012 wrote to memory of 3272 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-27_53990de269da670c74a9e658a412c922_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-27_53990de269da670c74a9e658a412c922_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-27_53990de269da670c74a9e658a412c922_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 --field-trial-handle=4744,i,15142778360084620907,1763097090506261076,262144 --variations-seed-version --mojo-platform-channel-handle=4372 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 52.71.57.184:443 | emrlogistics.com | 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 | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.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 |
Files
memory/2012-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2012-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/2012-2-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/2012-9-0x00000000004D0000-0x00000000004D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 59dd7b3782d97be2069a85bfa9d76990 |
| SHA1 | f21baf32f3ec8ed531b94a702ce63835c6bb66f0 |
| SHA256 | 64798fe77a7ef159e7739536b967ed60e621f07ff0475ba70df9062b4b9a1c5b |
| SHA512 | cd1781b5a5ddd6eaba8021506c0809834a243a06d5ce57b4d222fa1f6b2abe57190932364decc714a17aac324fff78041f8aa229ad61ac7d2f46d3c218049507 |
memory/2012-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/3272-19-0x0000000002080000-0x0000000002086000-memory.dmp
memory/3272-25-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/3272-26-0x0000000000500000-0x000000000050B000-memory.dmp