Analysis Overview
SHA256
e813453fc91ce9fce4ed3cb7302b1118e4dcb571e27c5a48d132048501930bdc
Threat Level: Known bad
The file 2024-06-02_de73c206a177dd9046e442d80d52e9a4_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
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
2024-06-02 04:46
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
2024-06-02 04:46
Reported
2024-06-02 04:49
Platform
win7-20240221-en
Max time kernel
149s
Max time network
155s
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\2024-06-02_de73c206a177dd9046e442d80d52e9a4_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2704 wrote to memory of 2280 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_de73c206a177dd9046e442d80d52e9a4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2704 wrote to memory of 2280 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_de73c206a177dd9046e442d80d52e9a4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2704 wrote to memory of 2280 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_de73c206a177dd9046e442d80d52e9a4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2704 wrote to memory of 2280 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_de73c206a177dd9046e442d80d52e9a4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-02_de73c206a177dd9046e442d80d52e9a4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_de73c206a177dd9046e442d80d52e9a4_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/2704-0-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2704-1-0x00000000002F0000-0x00000000002F6000-memory.dmp
memory/2704-8-0x00000000002C0000-0x00000000002C6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 05d1b06ac82138720beed769bb7b2e4e |
| SHA1 | ccd7f26b4b74b0e83b9cda92a0a6af0aaee9cc92 |
| SHA256 | 32acff85e503e4a171e4fd98461983393d79382b23b692476662f2e08e488915 |
| SHA512 | 4171c75b87bce52986274959171f21e38e517bba287b8cff55cbf423505f2c35dc9718b868cd8544060576929d61fe7520211bd97b10c28a451ca597e74d3cc9 |
memory/2280-22-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2280-15-0x0000000000370000-0x0000000000376000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-02 04:46
Reported
2024-06-02 04:49
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
151s
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-02_de73c206a177dd9046e442d80d52e9a4_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 4556 wrote to memory of 4608 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_de73c206a177dd9046e442d80d52e9a4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4556 wrote to memory of 4608 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_de73c206a177dd9046e442d80d52e9a4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4556 wrote to memory of 4608 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_de73c206a177dd9046e442d80d52e9a4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-02_de73c206a177dd9046e442d80d52e9a4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_de73c206a177dd9046e442d80d52e9a4_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 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 29.243.111.52.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 | 92.16.208.104.in-addr.arpa | udp |
Files
memory/4556-0-0x0000000002050000-0x0000000002056000-memory.dmp
memory/4556-1-0x0000000002070000-0x0000000002076000-memory.dmp
memory/4556-8-0x0000000002050000-0x0000000002056000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 05d1b06ac82138720beed769bb7b2e4e |
| SHA1 | ccd7f26b4b74b0e83b9cda92a0a6af0aaee9cc92 |
| SHA256 | 32acff85e503e4a171e4fd98461983393d79382b23b692476662f2e08e488915 |
| SHA512 | 4171c75b87bce52986274959171f21e38e517bba287b8cff55cbf423505f2c35dc9718b868cd8544060576929d61fe7520211bd97b10c28a451ca597e74d3cc9 |
memory/4608-23-0x0000000002060000-0x0000000002066000-memory.dmp
memory/4608-17-0x0000000002080000-0x0000000002086000-memory.dmp