Analysis Overview
SHA256
ca256ecb0e7ff2121f9349e15f220b5849e4baafc89b9aef11ca9d80514abcf7
Threat Level: Known bad
The file 2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Kinsing
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-25 17:33
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 17:33
Reported
2024-01-25 17:36
Platform
win7-20231215-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 |
Detection of Cryptolocker Samples
| Description | Indicator | Process | Target |
| 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_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2248 wrote to memory of 2816 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2248 wrote to memory of 2816 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2248 wrote to memory of 2816 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2248 wrote to memory of 2816 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_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/2248-0-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2248-2-0x0000000000480000-0x0000000000486000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 199a2cab08ddec8a7f943b5a0d5dfca8 |
| SHA1 | 9902bd373aaef838d9070452f135aedfae6b394c |
| SHA256 | 586d31370cefc2d9778f9c99268dbd29df059b3e1c33b68f36d3dc45821a6c36 |
| SHA512 | 93b3dfa7478f46c2d00aa5c2fc5ee7b511d37c40b4ae863b547c0954251ab093be7c414a128ab3017ab46a171fc2a75daff11bafadf54f271a30fb75c05694ba |
memory/2816-22-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2816-15-0x0000000000310000-0x0000000000316000-memory.dmp
memory/2248-1-0x0000000000240000-0x0000000000246000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-25 17:33
Reported
2024-01-25 17:36
Platform
win10v2004-20231215-en
Max time kernel
156s
Max time network
162s
Command Line
Signatures
Kinsing
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_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 2700 wrote to memory of 2104 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2700 wrote to memory of 2104 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2700 wrote to memory of 2104 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_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 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.71.91.104.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 | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | 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 | 8.8.8.8:53 | 10.179.89.13.in-addr.arpa | udp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
Files
memory/2700-0-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/2700-1-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/2700-2-0x00000000006D0000-0x00000000006D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 199a2cab08ddec8a7f943b5a0d5dfca8 |
| SHA1 | 9902bd373aaef838d9070452f135aedfae6b394c |
| SHA256 | 586d31370cefc2d9778f9c99268dbd29df059b3e1c33b68f36d3dc45821a6c36 |
| SHA512 | 93b3dfa7478f46c2d00aa5c2fc5ee7b511d37c40b4ae863b547c0954251ab093be7c414a128ab3017ab46a171fc2a75daff11bafadf54f271a30fb75c05694ba |
memory/2104-17-0x00000000007D0000-0x00000000007D6000-memory.dmp
memory/2104-19-0x00000000006A0000-0x00000000006A6000-memory.dmp