Analysis Overview
SHA256
23e7e67d8b187e9ff6655784b0adb1af5a43ee629ff962c3ab32b270af690f09
Threat Level: Known bad
The file 2024-01-25_b16c8a918fca6c8fed9d088a882caa03_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Kinsing
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Executes dropped EXE
Loads dropped DLL
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
2024-01-25 17:35
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 17:35
Reported
2024-01-25 17:38
Platform
win7-20231215-en
Max time kernel
149s
Max time network
152s
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_b16c8a918fca6c8fed9d088a882caa03_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2312 wrote to memory of 2720 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b16c8a918fca6c8fed9d088a882caa03_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2312 wrote to memory of 2720 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b16c8a918fca6c8fed9d088a882caa03_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2312 wrote to memory of 2720 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b16c8a918fca6c8fed9d088a882caa03_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2312 wrote to memory of 2720 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b16c8a918fca6c8fed9d088a882caa03_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_b16c8a918fca6c8fed9d088a882caa03_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b16c8a918fca6c8fed9d088a882caa03_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 | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
Files
memory/2312-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2312-1-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2312-2-0x0000000000290000-0x0000000000296000-memory.dmp
memory/2312-4-0x00000000001D0000-0x00000000001D6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 807de70980278fc41e27e178d258553b |
| SHA1 | 0872d173fa3edd938b5352180fe1f722f4cb8b90 |
| SHA256 | ba80b5bb3ad1c57ad907d207b4625c1fea90f8c0cc3cb06c2b6088380539606f |
| SHA512 | 66330fc76322656dfacb990f2f270437608b599b27c9d26b5bb6681c1e9f7dd6df6ceaea0c6d71ba0d4d360784abcea1e8667cc33ec1a498e47bdc2ea6486cfe |
memory/2312-13-0x0000000002700000-0x000000000270B000-memory.dmp
memory/2720-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2312-15-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2720-19-0x0000000000350000-0x0000000000356000-memory.dmp
memory/2720-21-0x0000000000320000-0x0000000000326000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-25 17:35
Reported
2024-01-25 17:38
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 |
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b16c8a918fca6c8fed9d088a882caa03_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 1872 wrote to memory of 4120 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b16c8a918fca6c8fed9d088a882caa03_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1872 wrote to memory of 4120 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b16c8a918fca6c8fed9d088a882caa03_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1872 wrote to memory of 4120 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b16c8a918fca6c8fed9d088a882caa03_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_b16c8a918fca6c8fed9d088a882caa03_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b16c8a918fca6c8fed9d088a882caa03_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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.160.77.104.in-addr.arpa | udp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 130.109.69.13.in-addr.arpa | udp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
Files
memory/1872-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1872-1-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/1872-2-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/1872-3-0x0000000000660000-0x0000000000666000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 807de70980278fc41e27e178d258553b |
| SHA1 | 0872d173fa3edd938b5352180fe1f722f4cb8b90 |
| SHA256 | ba80b5bb3ad1c57ad907d207b4625c1fea90f8c0cc3cb06c2b6088380539606f |
| SHA512 | 66330fc76322656dfacb990f2f270437608b599b27c9d26b5bb6681c1e9f7dd6df6ceaea0c6d71ba0d4d360784abcea1e8667cc33ec1a498e47bdc2ea6486cfe |
memory/1872-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/4120-19-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/4120-21-0x00000000004D0000-0x00000000004D6000-memory.dmp