Analysis Overview
SHA256
075dde6d1e6303b1fcd94d04372db24d445a7db3fff29372f8b809fa7703154e
Threat Level: Known bad
The file 2024-06-13_4cbb032e665826db35c307cd427bec9b_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
Checks computer location settings
UPX packed file
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 03:32
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 |
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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-13 03:32
Reported
2024-06-13 03:35
Platform
win7-20240611-en
Max time kernel
149s
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 |
| 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\2024-06-13_4cbb032e665826db35c307cd427bec9b_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 1252 wrote to memory of 2652 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_4cbb032e665826db35c307cd427bec9b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1252 wrote to memory of 2652 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_4cbb032e665826db35c307cd427bec9b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1252 wrote to memory of 2652 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_4cbb032e665826db35c307cd427bec9b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1252 wrote to memory of 2652 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_4cbb032e665826db35c307cd427bec9b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_4cbb032e665826db35c307cd427bec9b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_4cbb032e665826db35c307cd427bec9b_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 | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
Files
memory/1252-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1252-1-0x0000000000300000-0x0000000000306000-memory.dmp
memory/1252-3-0x0000000000490000-0x0000000000496000-memory.dmp
memory/1252-2-0x0000000000300000-0x0000000000306000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | ea0e2e1077eab168e6bc32ceb3ed2e9c |
| SHA1 | 708903d54d0a78a8f63943feb7a4c209a552d585 |
| SHA256 | 73a85483dc770499524dbbe80a24bbd07781d797c52f56c9bf56fb5225106ad6 |
| SHA512 | 3b1cf71f968f060d7ce2766830a80f757dcddc6a2bb52d66eb3747267302cc9dffd600997504ed0f8078bfda428df52c5a2851fe1185f56fdc49caecd55b8e88 |
memory/2652-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1252-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2652-23-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2652-18-0x00000000005F0000-0x00000000005F6000-memory.dmp
memory/2652-26-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:32
Reported
2024-06-13 03:35
Platform
win10v2004-20240611-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 |
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-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_4cbb032e665826db35c307cd427bec9b_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 4148 wrote to memory of 2292 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_4cbb032e665826db35c307cd427bec9b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4148 wrote to memory of 2292 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_4cbb032e665826db35c307cd427bec9b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4148 wrote to memory of 2292 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_4cbb032e665826db35c307cd427bec9b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_4cbb032e665826db35c307cd427bec9b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_4cbb032e665826db35c307cd427bec9b_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 --field-trial-handle=3044,i,12594301322143882025,16832588342008839449,262144 --variations-seed-version --mojo-platform-channel-handle=4112 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
Files
memory/4148-2-0x0000000002110000-0x0000000002116000-memory.dmp
memory/4148-1-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/4148-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4148-9-0x00000000004F0000-0x00000000004F6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | ea0e2e1077eab168e6bc32ceb3ed2e9c |
| SHA1 | 708903d54d0a78a8f63943feb7a4c209a552d585 |
| SHA256 | 73a85483dc770499524dbbe80a24bbd07781d797c52f56c9bf56fb5225106ad6 |
| SHA512 | 3b1cf71f968f060d7ce2766830a80f757dcddc6a2bb52d66eb3747267302cc9dffd600997504ed0f8078bfda428df52c5a2851fe1185f56fdc49caecd55b8e88 |
memory/4148-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2292-19-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/2292-25-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/2292-26-0x0000000000500000-0x0000000000510000-memory.dmp