Analysis Overview
SHA256
d5cc71a54774fbcbc8eae09802498c5b3d9489f32b9eec49fa88be00f5e7fef1
Threat Level: Known bad
The file 2024-06-01_48b95a60ac891a5b3fd7d67ad32b0f26_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Executes dropped EXE
Checks computer location settings
UPX packed file
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-01 18:25
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: behavioral1
Detonation Overview
Submitted
2024-06-01 18:25
Reported
2024-06-01 18:28
Platform
win7-20231129-en
Max time kernel
148s
Max time network
151s
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 |
| 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 |
| 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 |
| 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\2024-06-01_48b95a60ac891a5b3fd7d67ad32b0f26_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 |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2184 wrote to memory of 2348 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_48b95a60ac891a5b3fd7d67ad32b0f26_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2184 wrote to memory of 2348 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_48b95a60ac891a5b3fd7d67ad32b0f26_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2184 wrote to memory of 2348 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_48b95a60ac891a5b3fd7d67ad32b0f26_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2184 wrote to memory of 2348 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_48b95a60ac891a5b3fd7d67ad32b0f26_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-01_48b95a60ac891a5b3fd7d67ad32b0f26_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-01_48b95a60ac891a5b3fd7d67ad32b0f26_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 | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| 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 |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
Files
memory/2184-0-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2184-1-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2184-2-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2184-9-0x0000000000240000-0x0000000000246000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | ee5e090bb6194d75c3e602af5f8bc49a |
| SHA1 | fbe5b2ab65c1b2b6ea06687857ceab1e9521915c |
| SHA256 | 39d63e44883f8e15cf5b3b90d35ca99f0250857c616bc80804e4ac763fef563a |
| SHA512 | e44101ed813db8117c36edfeeb48947e41e62e43860ffe0f6a0a7b68bd04ae48438f112988e77486f39802768ebb54beb0c3127bf940bc68760984b2db980864 |
memory/2184-13-0x0000000002420000-0x0000000002430000-memory.dmp
memory/2348-17-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2184-16-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2348-19-0x0000000000380000-0x0000000000386000-memory.dmp
memory/2348-26-0x0000000000500000-0x000000000050F311-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-01 18:25
Reported
2024-06-01 18:28
Platform
win10v2004-20240426-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 |
| 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 |
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-01_48b95a60ac891a5b3fd7d67ad32b0f26_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 |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3504 wrote to memory of 4388 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_48b95a60ac891a5b3fd7d67ad32b0f26_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3504 wrote to memory of 4388 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_48b95a60ac891a5b3fd7d67ad32b0f26_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3504 wrote to memory of 4388 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_48b95a60ac891a5b3fd7d67ad32b0f26_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-01_48b95a60ac891a5b3fd7d67ad32b0f26_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-01_48b95a60ac891a5b3fd7d67ad32b0f26_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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | udp |
Files
memory/3504-0-0x0000000000500000-0x000000000050F311-memory.dmp
memory/3504-1-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/3504-2-0x00000000006E0000-0x00000000006E6000-memory.dmp
memory/3504-9-0x00000000006C0000-0x00000000006C6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | ee5e090bb6194d75c3e602af5f8bc49a |
| SHA1 | fbe5b2ab65c1b2b6ea06687857ceab1e9521915c |
| SHA256 | 39d63e44883f8e15cf5b3b90d35ca99f0250857c616bc80804e4ac763fef563a |
| SHA512 | e44101ed813db8117c36edfeeb48947e41e62e43860ffe0f6a0a7b68bd04ae48438f112988e77486f39802768ebb54beb0c3127bf940bc68760984b2db980864 |
memory/3504-17-0x0000000000500000-0x000000000050F311-memory.dmp
memory/4388-24-0x00000000005D0000-0x00000000005D6000-memory.dmp
memory/4388-25-0x00000000005B0000-0x00000000005B6000-memory.dmp
memory/4388-26-0x0000000000500000-0x000000000050F311-memory.dmp