Analysis Overview
SHA256
ade65af2774459a828865f24c74ee6f922cdaaa01d0d7b23d5c5eed6ee0359c4
Threat Level: Known bad
The file 2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Kinsing
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-25 17:36
Signatures
Detection of CryptoLocker Variants
| 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 17:36
Reported
2024-01-25 17:39
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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\hasfj.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2408 wrote to memory of 2336 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 2408 wrote to memory of 2336 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 2408 wrote to memory of 2336 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 2408 wrote to memory of 2336 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\hasfj.exe
"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | mytarta.com | udp |
Files
memory/2408-0-0x00000000005F0000-0x00000000005F6000-memory.dmp
memory/2408-1-0x0000000001CA0000-0x0000000001CA6000-memory.dmp
memory/2408-8-0x00000000005F0000-0x00000000005F6000-memory.dmp
\Users\Admin\AppData\Local\Temp\hasfj.exe
| MD5 | df286ca42d8ecfceb8cb858e4831730c |
| SHA1 | 195946f6528e996017cb4e9018258a1bc5d942a9 |
| SHA256 | fc2565736f1bdb62924243227c43471e57117e71ed7aed3e539fcc31fd8b8de3 |
| SHA512 | 386fdca9c37b77cdbff1443bd539814bee23777518786527bb5ad6728f61ff9d647b45191ac12a5ab24d2aeb50642d938f59048592cf5844f0f755d4c10d35b7 |
memory/2336-15-0x0000000000290000-0x0000000000296000-memory.dmp
memory/2336-19-0x0000000000270000-0x0000000000276000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-25 17:36
Reported
2024-01-25 17:39
Platform
win10v2004-20231222-en
Max time kernel
150s
Max time network
149s
Command Line
Signatures
Kinsing
Detection of CryptoLocker Variants
| 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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\hasfj.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2176 wrote to memory of 4428 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 2176 wrote to memory of 4428 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 2176 wrote to memory of 4428 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\hasfj.exe
"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.160.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 3.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
Files
memory/2176-0-0x00000000022D0000-0x00000000022D6000-memory.dmp
memory/2176-2-0x0000000003150000-0x0000000003156000-memory.dmp
memory/2176-1-0x00000000022D0000-0x00000000022D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\hasfj.exe
| MD5 | df286ca42d8ecfceb8cb858e4831730c |
| SHA1 | 195946f6528e996017cb4e9018258a1bc5d942a9 |
| SHA256 | fc2565736f1bdb62924243227c43471e57117e71ed7aed3e539fcc31fd8b8de3 |
| SHA512 | 386fdca9c37b77cdbff1443bd539814bee23777518786527bb5ad6728f61ff9d647b45191ac12a5ab24d2aeb50642d938f59048592cf5844f0f755d4c10d35b7 |
memory/4428-17-0x0000000003010000-0x0000000003016000-memory.dmp
memory/4428-22-0x0000000002210000-0x0000000002216000-memory.dmp