Analysis Overview
SHA256
b0accfba01bbda2dc9133a92709520cf6c010c1f85a31acf7a51d335a3ec9873
Threat Level: Known bad
The file 2024-01-25_13f5afe8395e6a1d9607764e2aa45107_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
Creates a large amount of network flows
Enumerates physical storage devices
Unsigned PE
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-25 17:42
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 17:42
Reported
2024-01-25 17:45
Platform
win7-20231129-en
Max time kernel
3s
Max time network
81s
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\retln.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_13f5afe8395e6a1d9607764e2aa45107_cryptolocker.exe | N/A |
Creates a large amount of network flows
Enumerates physical storage devices
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_13f5afe8395e6a1d9607764e2aa45107_cryptolocker.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\retln.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2912 wrote to memory of 2020 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_13f5afe8395e6a1d9607764e2aa45107_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\retln.exe |
| PID 2912 wrote to memory of 2020 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_13f5afe8395e6a1d9607764e2aa45107_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\retln.exe |
| PID 2912 wrote to memory of 2020 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_13f5afe8395e6a1d9607764e2aa45107_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\retln.exe |
| PID 2912 wrote to memory of 2020 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_13f5afe8395e6a1d9607764e2aa45107_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\retln.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_13f5afe8395e6a1d9607764e2aa45107_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_13f5afe8395e6a1d9607764e2aa45107_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\retln.exe
"C:\Users\Admin\AppData\Local\Temp\retln.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
Files
memory/2912-0-0x0000000001CE0000-0x0000000001CE6000-memory.dmp
memory/2912-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/2912-8-0x0000000001CE0000-0x0000000001CE6000-memory.dmp
\Users\Admin\AppData\Local\Temp\retln.exe
| MD5 | e2a6507dc2ae3c83360b95bc0ea88c29 |
| SHA1 | b96a2574b05f746fdb566c7cd6d850c034fbfcd5 |
| SHA256 | 177081cbca00cb7fdd3930807904de20df79f92b8adbacf44c215fa8ed89632c |
| SHA512 | b1c1483465ee60ca0dd84312becc606aa8119065e3cf0d100930f7f612c7d53a221233d1b4a4f7c011abf671aa0d68248a50eabca9a9367156c4f6ef037bc6b8 |
memory/2020-18-0x0000000000280000-0x0000000000286000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-25 17:42
Reported
2024-01-25 17:45
Platform
win10v2004-20231222-en
Max time kernel
150s
Max time network
146s
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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-01-25_13f5afe8395e6a1d9607764e2aa45107_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\retln.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2956 wrote to memory of 2172 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_13f5afe8395e6a1d9607764e2aa45107_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\retln.exe |
| PID 2956 wrote to memory of 2172 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_13f5afe8395e6a1d9607764e2aa45107_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\retln.exe |
| PID 2956 wrote to memory of 2172 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_13f5afe8395e6a1d9607764e2aa45107_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\retln.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_13f5afe8395e6a1d9607764e2aa45107_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_13f5afe8395e6a1d9607764e2aa45107_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\retln.exe
"C:\Users\Admin\AppData\Local\Temp\retln.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | 88.16.208.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | storage-cabinets.info | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/2956-0-0x00000000007C0000-0x00000000007C6000-memory.dmp
memory/2956-1-0x00000000007C0000-0x00000000007C6000-memory.dmp
memory/2956-2-0x0000000000400000-0x0000000000406000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\retln.exe
| MD5 | e2a6507dc2ae3c83360b95bc0ea88c29 |
| SHA1 | b96a2574b05f746fdb566c7cd6d850c034fbfcd5 |
| SHA256 | 177081cbca00cb7fdd3930807904de20df79f92b8adbacf44c215fa8ed89632c |
| SHA512 | b1c1483465ee60ca0dd84312becc606aa8119065e3cf0d100930f7f612c7d53a221233d1b4a4f7c011abf671aa0d68248a50eabca9a9367156c4f6ef037bc6b8 |
memory/2172-21-0x00000000005C0000-0x00000000005C6000-memory.dmp