Analysis Overview
SHA256
451a4d4b2fa6f735b20ae8c90402b6b75446480756204509bb8e9d2456de3ae3
Threat Level: Known bad
The file 2024-06-10_98768e8703a5b946d5548b8321c988fa_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)
UPX dump on OEP (original entry point)
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
UPX packed file
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-10 21:36
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 21:36
Reported
2024-06-10 21:38
Platform
win7-20240220-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 |
| 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 |
| 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 |
| 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_98768e8703a5b946d5548b8321c988fa_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 |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1508 wrote to memory of 2564 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_98768e8703a5b946d5548b8321c988fa_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1508 wrote to memory of 2564 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_98768e8703a5b946d5548b8321c988fa_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1508 wrote to memory of 2564 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_98768e8703a5b946d5548b8321c988fa_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1508 wrote to memory of 2564 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_98768e8703a5b946d5548b8321c988fa_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-10_98768e8703a5b946d5548b8321c988fa_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_98768e8703a5b946d5548b8321c988fa_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 | 3.94.41.167:443 | 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 |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
Files
memory/1508-0-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/1508-1-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1508-2-0x0000000000290000-0x0000000000296000-memory.dmp
memory/1508-9-0x00000000001D0000-0x00000000001D6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | a9e9539b5dd5a344e4b7cee1819b7cc0 |
| SHA1 | 42bf68294ee851bba68055db91e423e53c0f968a |
| SHA256 | 2b43a49987b48a0fe7eb874ef5e59ab1c2645cfbcb9a83a4d4f1119ac1b8ad88 |
| SHA512 | a101caeac621e7a50e2b636996e0ca148ff679d592fd102cc7c834057ab3ba6a995ebd8a1a8b9086ae566c68391086e516aa5987f656e414ffb31531f0766f59 |
memory/1508-13-0x0000000002AC0000-0x0000000002AD0000-memory.dmp
memory/1508-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2564-20-0x0000000000300000-0x0000000000306000-memory.dmp
memory/2564-19-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2564-27-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2564-28-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-10 21:36
Reported
2024-06-10 21:38
Platform
win10v2004-20240426-en
Max time kernel
150s
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 |
| 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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-10_98768e8703a5b946d5548b8321c988fa_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 |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4100 wrote to memory of 1196 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_98768e8703a5b946d5548b8321c988fa_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4100 wrote to memory of 1196 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_98768e8703a5b946d5548b8321c988fa_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4100 wrote to memory of 1196 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_98768e8703a5b946d5548b8321c988fa_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-10_98768e8703a5b946d5548b8321c988fa_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_98768e8703a5b946d5548b8321c988fa_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 | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.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 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| 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 | 8.8.8.8:53 | udp |
Files
memory/4100-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4100-1-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/4100-3-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/4100-2-0x00000000006A0000-0x00000000006A6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | a9e9539b5dd5a344e4b7cee1819b7cc0 |
| SHA1 | 42bf68294ee851bba68055db91e423e53c0f968a |
| SHA256 | 2b43a49987b48a0fe7eb874ef5e59ab1c2645cfbcb9a83a4d4f1119ac1b8ad88 |
| SHA512 | a101caeac621e7a50e2b636996e0ca148ff679d592fd102cc7c834057ab3ba6a995ebd8a1a8b9086ae566c68391086e516aa5987f656e414ffb31531f0766f59 |
memory/4100-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1196-19-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1196-21-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/1196-27-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/1196-28-0x0000000000500000-0x0000000000510000-memory.dmp