Analysis Overview
SHA256
8ff8815cafc468daddb658769e57fd46cc8a778921e9a6eab2f78cf4111205cb
Threat Level: Known bad
The file 2024-06-13_0afd6a19dc594a3dbc77c3e1690525de_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
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 03:24
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: behavioral2
Detonation Overview
Submitted
2024-06-13 03:24
Reported
2024-06-13 03:27
Platform
win10v2004-20240226-en
Max time kernel
143s
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_0afd6a19dc594a3dbc77c3e1690525de_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 3716 wrote to memory of 4976 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_0afd6a19dc594a3dbc77c3e1690525de_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3716 wrote to memory of 4976 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_0afd6a19dc594a3dbc77c3e1690525de_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3716 wrote to memory of 4976 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_0afd6a19dc594a3dbc77c3e1690525de_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_0afd6a19dc594a3dbc77c3e1690525de_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_0afd6a19dc594a3dbc77c3e1690525de_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=4048 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.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 | 136.32.126.40.in-addr.arpa | udp |
| GB | 142.250.200.42:443 | tcp | |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 3.94.41.167:443 | 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 | 13.107.246.64:443 | tcp | |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 224.162.46.104.in-addr.arpa | udp |
Files
memory/3716-0-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/3716-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/3716-2-0x00000000004F0000-0x00000000004F6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 575f5f7a64c6cd3e5dd9bd2b65138b29 |
| SHA1 | 3e0a4b31484578725c766fe1f83907dc67201ec8 |
| SHA256 | 23369681ba10968aeee1015ca75524f717d397766df774eacbcba509240e033e |
| SHA512 | c532e10e4e4b03da1a0e25b16edef48beeb4d424134e6baca38ffb8f57f6ba3f8697c4a3d1d9eb30496a65cefa52b2ad9de1af8dc7a084debbdde2a3568b4731 |
memory/4976-17-0x0000000000560000-0x0000000000566000-memory.dmp
memory/4976-18-0x0000000002070000-0x0000000002076000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-13 03:24
Reported
2024-06-13 03:27
Platform
win7-20240611-en
Max time kernel
149s
Max time network
152s
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_0afd6a19dc594a3dbc77c3e1690525de_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2000 wrote to memory of 2040 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_0afd6a19dc594a3dbc77c3e1690525de_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2000 wrote to memory of 2040 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_0afd6a19dc594a3dbc77c3e1690525de_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2000 wrote to memory of 2040 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_0afd6a19dc594a3dbc77c3e1690525de_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2000 wrote to memory of 2040 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_0afd6a19dc594a3dbc77c3e1690525de_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_0afd6a19dc594a3dbc77c3e1690525de_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_0afd6a19dc594a3dbc77c3e1690525de_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 | 3.18.7.81:443 | 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 | 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 |
Files
memory/2000-1-0x0000000000300000-0x0000000000306000-memory.dmp
memory/2000-0-0x00000000002D0000-0x00000000002D6000-memory.dmp
memory/2000-8-0x00000000002D0000-0x00000000002D6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 575f5f7a64c6cd3e5dd9bd2b65138b29 |
| SHA1 | 3e0a4b31484578725c766fe1f83907dc67201ec8 |
| SHA256 | 23369681ba10968aeee1015ca75524f717d397766df774eacbcba509240e033e |
| SHA512 | c532e10e4e4b03da1a0e25b16edef48beeb4d424134e6baca38ffb8f57f6ba3f8697c4a3d1d9eb30496a65cefa52b2ad9de1af8dc7a084debbdde2a3568b4731 |
memory/2040-15-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2040-16-0x0000000000370000-0x0000000000376000-memory.dmp