Analysis Overview
SHA256
cf0a2c9b30d5636c17ee0d81793cf3306f5c5938f205e95c24314f39e5fd3d83
Threat Level: Known bad
The file 2024-06-13_1a60d11af66e77e1344f4784026c1296_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 04:24
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
2024-06-13 04:24
Reported
2024-06-13 04:26
Platform
win7-20240508-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\2024-06-13_1a60d11af66e77e1344f4784026c1296_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2928 wrote to memory of 2028 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1a60d11af66e77e1344f4784026c1296_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2928 wrote to memory of 2028 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1a60d11af66e77e1344f4784026c1296_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2928 wrote to memory of 2028 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1a60d11af66e77e1344f4784026c1296_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2928 wrote to memory of 2028 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1a60d11af66e77e1344f4784026c1296_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_1a60d11af66e77e1344f4784026c1296_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_1a60d11af66e77e1344f4784026c1296_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 | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
Files
memory/2928-0-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2928-1-0x0000000000340000-0x0000000000346000-memory.dmp
memory/2928-8-0x00000000002C0000-0x00000000002C6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 09df001967c7532729f89b5ffcea6629 |
| SHA1 | c4134df14d9160176c0cfe0fa375b99ea0f51b65 |
| SHA256 | 54ce4123b9c80a83134820bcec798117546dbaaaf422a5e5aab84299a8e77f50 |
| SHA512 | ebb758351372a07e881a32259a88dee911da9d3a4735dcbb09085947f0544460d8ea7b71f1dd19e7a40f30499d9b2ca9fd7d457a4b5083ec343de4a3aca11faa |
memory/2028-15-0x0000000000300000-0x0000000000306000-memory.dmp
memory/2028-22-0x0000000000240000-0x0000000000246000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 04:24
Reported
2024-06-13 04:26
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
150s
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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1a60d11af66e77e1344f4784026c1296_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 4660 wrote to memory of 4160 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1a60d11af66e77e1344f4784026c1296_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4660 wrote to memory of 4160 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1a60d11af66e77e1344f4784026c1296_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4660 wrote to memory of 4160 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1a60d11af66e77e1344f4784026c1296_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_1a60d11af66e77e1344f4784026c1296_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_1a60d11af66e77e1344f4784026c1296_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 | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
Files
memory/4660-0-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/4660-8-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/4660-1-0x00000000004F0000-0x00000000004F6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 09df001967c7532729f89b5ffcea6629 |
| SHA1 | c4134df14d9160176c0cfe0fa375b99ea0f51b65 |
| SHA256 | 54ce4123b9c80a83134820bcec798117546dbaaaf422a5e5aab84299a8e77f50 |
| SHA512 | ebb758351372a07e881a32259a88dee911da9d3a4735dcbb09085947f0544460d8ea7b71f1dd19e7a40f30499d9b2ca9fd7d457a4b5083ec343de4a3aca11faa |
memory/4160-17-0x0000000000690000-0x0000000000696000-memory.dmp
memory/4160-23-0x0000000000670000-0x0000000000676000-memory.dmp