Analysis Overview
SHA256
fe6bbcaec64241f1ca753d992e3d432818b7415b3b65868b8bc8181be9237f43
Threat Level: Known bad
The file 2024-06-10_eac309ce599ba3c9b813d3c972d12a16_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
UPX dump on OEP (original entry point)
Executes dropped EXE
Loads dropped DLL
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
2024-06-10 22:14
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
2024-06-10 22:14
Reported
2024-06-10 22:17
Platform
win7-20240508-en
Max time kernel
148s
Max time network
151s
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 |
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 |
| 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\2024-06-10_eac309ce599ba3c9b813d3c972d12a16_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 |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1368 wrote to memory of 1144 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_eac309ce599ba3c9b813d3c972d12a16_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1368 wrote to memory of 1144 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_eac309ce599ba3c9b813d3c972d12a16_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1368 wrote to memory of 1144 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_eac309ce599ba3c9b813d3c972d12a16_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1368 wrote to memory of 1144 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_eac309ce599ba3c9b813d3c972d12a16_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-10_eac309ce599ba3c9b813d3c972d12a16_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_eac309ce599ba3c9b813d3c972d12a16_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/1368-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1368-1-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/1368-2-0x0000000000460000-0x0000000000466000-memory.dmp
memory/1368-9-0x00000000002C0000-0x00000000002C6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | e3961939866b0f0afb9ef6eee44f4577 |
| SHA1 | d36fa0cc909a13e946c7eaca8f98ec64ae4428ae |
| SHA256 | 4268f77ee4484f20f075d951e66ff87e1a47f87989565b6f98c40cc3623f802b |
| SHA512 | 457546c62bd2f0cff6d11032dd9674da3565536fa04f83f38800057707be0d40cc89561b47b32890f332e8424a24c422121c07a010da5244349e437fe0f3b316 |
memory/1144-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1368-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1144-19-0x0000000000340000-0x0000000000346000-memory.dmp
memory/1144-26-0x0000000000240000-0x0000000000246000-memory.dmp
memory/1144-27-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-10 22:14
Reported
2024-06-10 22:17
Platform
win10v2004-20240226-en
Max time kernel
146s
Max time network
153s
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\2024-06-10_eac309ce599ba3c9b813d3c972d12a16_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 4552 wrote to memory of 680 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_eac309ce599ba3c9b813d3c972d12a16_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4552 wrote to memory of 680 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_eac309ce599ba3c9b813d3c972d12a16_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4552 wrote to memory of 680 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_eac309ce599ba3c9b813d3c972d12a16_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-10_eac309ce599ba3c9b813d3c972d12a16_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_eac309ce599ba3c9b813d3c972d12a16_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=1032 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| GB | 96.16.110.114:80 | tcp | |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 56.110.63.41.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.234.34.23.in-addr.arpa | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 142.250.200.42:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | pki.goog | udp |
| US | 8.8.8.8:53 | pki.goog | udp |
| US | 216.239.32.29:80 | pki.goog | tcp |
| US | 8.8.8.8:53 | 42.200.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.32.239.216.in-addr.arpa | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | 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 | 8.8.8.8:53 | 84.65.42.20.in-addr.arpa | udp |
Files
memory/4552-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4552-1-0x0000000000660000-0x0000000000666000-memory.dmp
memory/4552-2-0x0000000000660000-0x0000000000666000-memory.dmp
memory/4552-3-0x0000000000760000-0x0000000000766000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | e3961939866b0f0afb9ef6eee44f4577 |
| SHA1 | d36fa0cc909a13e946c7eaca8f98ec64ae4428ae |
| SHA256 | 4268f77ee4484f20f075d951e66ff87e1a47f87989565b6f98c40cc3623f802b |
| SHA512 | 457546c62bd2f0cff6d11032dd9674da3565536fa04f83f38800057707be0d40cc89561b47b32890f332e8424a24c422121c07a010da5244349e437fe0f3b316 |
memory/680-26-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/4552-25-0x0000000000500000-0x0000000000510000-memory.dmp
memory/680-20-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/680-27-0x0000000000500000-0x0000000000510000-memory.dmp