Analysis Overview
SHA256
1e2a374f545f19b6b22751173a65cd86c8f4e61088c8765a39fa4498d59873a2
Threat Level: Known bad
The file 2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Kinsing
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Loads dropped DLL
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
2024-01-25 17:39
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: behavioral1
Detonation Overview
Submitted
2024-01-25 17:39
Reported
2024-01-25 17:42
Platform
win7-20231129-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 |
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 |
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\2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 804 wrote to memory of 3036 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 804 wrote to memory of 3036 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 804 wrote to memory of 3036 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 804 wrote to memory of 3036 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_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 | 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 |
Files
memory/804-1-0x0000000000500000-0x000000000050F000-memory.dmp
memory/804-0-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/804-2-0x00000000003F0000-0x00000000003F6000-memory.dmp
memory/804-9-0x00000000001C0000-0x00000000001C6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 7ff3f1ab0f2d8c7a9d29f836b4d62351 |
| SHA1 | ef9c8fe6ffcc870d0119341f703faae04b754b5a |
| SHA256 | 546f40e7acadd5ba22e5164ade314a64125314e019f28928301f5aff7af45cfe |
| SHA512 | 1547caca7a897386d02454b3a247875791227df696eb4f48bef681aaac7b4972c8e1e136032b468a2d9ea8f8e1443beccdab942a003e236db682baea9ef5e391 |
memory/804-13-0x0000000002840000-0x000000000284F000-memory.dmp
memory/804-16-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3036-18-0x00000000004A0000-0x00000000004A6000-memory.dmp
memory/3036-20-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/3036-22-0x0000000000500000-0x000000000050F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-25 17:39
Reported
2024-01-25 17:42
Platform
win10v2004-20231215-en
Max time kernel
149s
Max time network
154s
Command Line
Signatures
Kinsing
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_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 2500 wrote to memory of 4928 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2500 wrote to memory of 4928 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2500 wrote to memory of 4928 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
Network
| Country | Destination | Domain | Proto |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.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 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 114.134.221.88.in-addr.arpa | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 168.117.168.52.in-addr.arpa | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
Files
memory/2500-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2500-1-0x0000000000520000-0x0000000000526000-memory.dmp
memory/2500-2-0x0000000000520000-0x0000000000526000-memory.dmp
memory/2500-3-0x00000000021B0000-0x00000000021B6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 7ff3f1ab0f2d8c7a9d29f836b4d62351 |
| SHA1 | ef9c8fe6ffcc870d0119341f703faae04b754b5a |
| SHA256 | 546f40e7acadd5ba22e5164ade314a64125314e019f28928301f5aff7af45cfe |
| SHA512 | 1547caca7a897386d02454b3a247875791227df696eb4f48bef681aaac7b4972c8e1e136032b468a2d9ea8f8e1443beccdab942a003e236db682baea9ef5e391 |
memory/4928-17-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2500-19-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4928-20-0x0000000002070000-0x0000000002076000-memory.dmp
memory/4928-22-0x0000000002050000-0x0000000002056000-memory.dmp