Analysis Overview
SHA256
59d43c2b92a4468250f47ff3a7ad3fae4e373b52738cfe996f868cd5cde93873
Threat Level: Known bad
The file 2024-06-01_54ccc81a7970aea370efe1fa08b304bc_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
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-01 18:26
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
2024-06-01 18:26
Reported
2024-06-01 18:28
Platform
win7-20240508-en
Max time kernel
149s
Max time network
150s
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\2024-06-01_54ccc81a7970aea370efe1fa08b304bc_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2240 wrote to memory of 2920 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_54ccc81a7970aea370efe1fa08b304bc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2240 wrote to memory of 2920 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_54ccc81a7970aea370efe1fa08b304bc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2240 wrote to memory of 2920 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_54ccc81a7970aea370efe1fa08b304bc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2240 wrote to memory of 2920 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_54ccc81a7970aea370efe1fa08b304bc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-01_54ccc81a7970aea370efe1fa08b304bc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-01_54ccc81a7970aea370efe1fa08b304bc_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 | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
Files
memory/2240-1-0x0000000000380000-0x0000000000386000-memory.dmp
memory/2240-9-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2240-8-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2240-0-0x00000000002C0000-0x00000000002C6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 171e99d82ad7ac6c97fcf4cb23850cdb |
| SHA1 | fe34b9bb42ae690ad8a147fd48ba124b73758fd9 |
| SHA256 | 884355d6ca0ec8af04be686b0a3ca3e5c2d2a6f750c9a51a28bb6727ed07769d |
| SHA512 | 102af9e4043c90fc2621211ee7001579d5b159f1ca9df504a18f373cf20c2bac2730f010e2f6071b9c94d839cf450955560be3521f91b7123a1eef96e2bc6a69 |
memory/2920-15-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2920-17-0x0000000000480000-0x0000000000486000-memory.dmp
memory/2920-24-0x0000000000240000-0x0000000000246000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-01 18:26
Reported
2024-06-01 18:28
Platform
win10v2004-20240508-en
Max time kernel
148s
Max time network
152s
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\2024-06-01_54ccc81a7970aea370efe1fa08b304bc_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 5008 wrote to memory of 3196 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_54ccc81a7970aea370efe1fa08b304bc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 5008 wrote to memory of 3196 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_54ccc81a7970aea370efe1fa08b304bc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 5008 wrote to memory of 3196 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_54ccc81a7970aea370efe1fa08b304bc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-01_54ccc81a7970aea370efe1fa08b304bc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-01_54ccc81a7970aea370efe1fa08b304bc_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=4000,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=3976 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 131.72.42.20.in-addr.arpa | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
Files
memory/5008-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/5008-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/5008-2-0x00000000005E0000-0x00000000005E6000-memory.dmp
memory/5008-9-0x00000000004D0000-0x00000000004D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 171e99d82ad7ac6c97fcf4cb23850cdb |
| SHA1 | fe34b9bb42ae690ad8a147fd48ba124b73758fd9 |
| SHA256 | 884355d6ca0ec8af04be686b0a3ca3e5c2d2a6f750c9a51a28bb6727ed07769d |
| SHA512 | 102af9e4043c90fc2621211ee7001579d5b159f1ca9df504a18f373cf20c2bac2730f010e2f6071b9c94d839cf450955560be3521f91b7123a1eef96e2bc6a69 |
memory/3196-20-0x0000000001F80000-0x0000000001F86000-memory.dmp
memory/5008-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3196-26-0x0000000001F10000-0x0000000001F16000-memory.dmp
memory/3196-17-0x0000000000500000-0x000000000050F000-memory.dmp