Analysis Overview
SHA256
befb1365ce83ffd7d66fed4ce9495cad45f33029ce9a661f981ad036546a7702
Threat Level: Known bad
The file 2024-06-12_d93ec1ced0b5f69c389fd03d045de855_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
UPX dump on OEP (original entry point)
Detection of Cryptolocker Samples
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
UPX packed file
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-12 15:31
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 |
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| 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: behavioral2
Detonation Overview
Submitted
2024-06-12 15:31
Reported
2024-06-12 15:33
Platform
win10v2004-20240611-en
Max time kernel
148s
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 |
UPX dump on OEP (original entry point)
| 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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-12_d93ec1ced0b5f69c389fd03d045de855_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 |
UPX packed file
| 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 |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2456 wrote to memory of 3932 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_d93ec1ced0b5f69c389fd03d045de855_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2456 wrote to memory of 3932 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_d93ec1ced0b5f69c389fd03d045de855_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2456 wrote to memory of 3932 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_d93ec1ced0b5f69c389fd03d045de855_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-12_d93ec1ced0b5f69c389fd03d045de855_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-12_d93ec1ced0b5f69c389fd03d045de855_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 | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 114.83.221.88.in-addr.arpa | udp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 105.83.221.88.in-addr.arpa | udp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
Files
memory/2456-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2456-1-0x00000000007C0000-0x00000000007C6000-memory.dmp
memory/2456-2-0x00000000007E0000-0x00000000007E6000-memory.dmp
memory/2456-9-0x00000000007C0000-0x00000000007C6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | ec75422326eeb960e3eb62f6f1a63aed |
| SHA1 | 9e1f20c444f5cb3c4b550b58f0d96fbd543e0916 |
| SHA256 | cccd250bacda6dee0b04f187ce96d4fbbd40384addcda3f5b88be56decdee88a |
| SHA512 | e856894119e23ba3a5f6ff355350a64ae16b719b15acda72a14a23bbfa3948dd1322bda73a086134a1cde186d9b045ca2e6543479c383d06b37d2b972fc9f7a8 |
memory/3932-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2456-25-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3932-19-0x0000000000660000-0x0000000000666000-memory.dmp
memory/3932-26-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/3932-27-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-12 15:31
Reported
2024-06-12 15:33
Platform
win7-20240508-en
Max time kernel
148s
Max time network
150s
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 |
UPX dump on OEP (original entry point)
| 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\2024-06-12_d93ec1ced0b5f69c389fd03d045de855_cryptolocker.exe | N/A |
UPX packed file
| 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 |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1868 wrote to memory of 3020 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_d93ec1ced0b5f69c389fd03d045de855_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1868 wrote to memory of 3020 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_d93ec1ced0b5f69c389fd03d045de855_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1868 wrote to memory of 3020 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_d93ec1ced0b5f69c389fd03d045de855_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1868 wrote to memory of 3020 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_d93ec1ced0b5f69c389fd03d045de855_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-12_d93ec1ced0b5f69c389fd03d045de855_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-12_d93ec1ced0b5f69c389fd03d045de855_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/1868-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1868-1-0x0000000000420000-0x0000000000426000-memory.dmp
memory/1868-2-0x0000000000460000-0x0000000000466000-memory.dmp
memory/1868-9-0x0000000000420000-0x0000000000426000-memory.dmp
memory/3020-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1868-15-0x0000000000500000-0x0000000000510000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | ec75422326eeb960e3eb62f6f1a63aed |
| SHA1 | 9e1f20c444f5cb3c4b550b58f0d96fbd543e0916 |
| SHA256 | cccd250bacda6dee0b04f187ce96d4fbbd40384addcda3f5b88be56decdee88a |
| SHA512 | e856894119e23ba3a5f6ff355350a64ae16b719b15acda72a14a23bbfa3948dd1322bda73a086134a1cde186d9b045ca2e6543479c383d06b37d2b972fc9f7a8 |
memory/3020-25-0x0000000000300000-0x0000000000306000-memory.dmp
memory/3020-18-0x0000000000340000-0x0000000000346000-memory.dmp
memory/3020-26-0x0000000000500000-0x0000000000510000-memory.dmp