Analysis Overview
SHA256
aef91f1353bad4668398240f834efaf398f78470aae457cf40652a95e2492c72
Threat Level: Known bad
The file 2024-06-10_3ab14c8b12595cb67cbeaae80b7ce350_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 Variants
Detection of Cryptolocker Samples
UPX dump on OEP (original entry point)
Loads dropped DLL
UPX packed file
Checks computer location settings
Executes dropped EXE
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-10 21:55
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 21:55
Reported
2024-06-10 21:57
Platform
win7-20240508-en
Max time kernel
148s
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\2024-06-10_3ab14c8b12595cb67cbeaae80b7ce350_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 2120 wrote to memory of 3016 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_3ab14c8b12595cb67cbeaae80b7ce350_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2120 wrote to memory of 3016 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_3ab14c8b12595cb67cbeaae80b7ce350_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2120 wrote to memory of 3016 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_3ab14c8b12595cb67cbeaae80b7ce350_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2120 wrote to memory of 3016 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_3ab14c8b12595cb67cbeaae80b7ce350_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-10_3ab14c8b12595cb67cbeaae80b7ce350_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_3ab14c8b12595cb67cbeaae80b7ce350_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/2120-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2120-1-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2120-2-0x0000000000280000-0x0000000000286000-memory.dmp
memory/2120-9-0x0000000000240000-0x0000000000246000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 8cb4c6c8902222c1902c8ddf9df2bc93 |
| SHA1 | 8aa57fab00ddeab257fa206ede6ff4225c5e7960 |
| SHA256 | 2e327eef4bef26d3cca80153f719e788c2e7fbfd644f7c48cc4355be2b3539ca |
| SHA512 | 26b7cf54d255a67d58ce58e88d1840f5ea7a00939589ce2ac933985e84cf554353ffaa52c5b06e0ed4aae9783da291502e52d9d6e13d2f9adaaccf000f379a68 |
memory/3016-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2120-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3016-26-0x00000000003C0000-0x00000000003C6000-memory.dmp
memory/3016-19-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/3016-27-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-10 21:55
Reported
2024-06-10 21:57
Platform
win10v2004-20240426-en
Max time kernel
148s
Max time network
154s
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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-10_3ab14c8b12595cb67cbeaae80b7ce350_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 3160 wrote to memory of 716 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_3ab14c8b12595cb67cbeaae80b7ce350_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3160 wrote to memory of 716 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_3ab14c8b12595cb67cbeaae80b7ce350_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3160 wrote to memory of 716 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_3ab14c8b12595cb67cbeaae80b7ce350_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-10_3ab14c8b12595cb67cbeaae80b7ce350_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_3ab14c8b12595cb67cbeaae80b7ce350_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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
Files
memory/3160-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3160-1-0x00000000020D0000-0x00000000020D6000-memory.dmp
memory/3160-2-0x00000000020F0000-0x00000000020F6000-memory.dmp
memory/3160-9-0x00000000020D0000-0x00000000020D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 8cb4c6c8902222c1902c8ddf9df2bc93 |
| SHA1 | 8aa57fab00ddeab257fa206ede6ff4225c5e7960 |
| SHA256 | 2e327eef4bef26d3cca80153f719e788c2e7fbfd644f7c48cc4355be2b3539ca |
| SHA512 | 26b7cf54d255a67d58ce58e88d1840f5ea7a00939589ce2ac933985e84cf554353ffaa52c5b06e0ed4aae9783da291502e52d9d6e13d2f9adaaccf000f379a68 |
memory/3160-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/716-19-0x0000000000500000-0x0000000000510000-memory.dmp
memory/716-22-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/716-21-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/716-28-0x0000000000500000-0x0000000000510000-memory.dmp