Analysis Overview
SHA256
bfe9b1f5dedfdad7f13157d8aae85475bba1853fe5f9b271ceef76674bb867c2
Threat Level: Known bad
The file 2024-06-13_74bffae59c74f349bcaf1b22dafadea4_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
Detection of Cryptolocker Samples
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
Executes dropped EXE
UPX packed file
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
2024-06-13 03:38
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
2024-06-13 03:38
Reported
2024-06-13 03:40
Platform
win10v2004-20240611-en
Max time kernel
147s
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_74bffae59c74f349bcaf1b22dafadea4_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 3064 wrote to memory of 3452 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_74bffae59c74f349bcaf1b22dafadea4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3064 wrote to memory of 3452 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_74bffae59c74f349bcaf1b22dafadea4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3064 wrote to memory of 3452 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_74bffae59c74f349bcaf1b22dafadea4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_74bffae59c74f349bcaf1b22dafadea4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_74bffae59c74f349bcaf1b22dafadea4_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4040,i,7977653611488681184,6839495125838449898,262144 --variations-seed-version --mojo-platform-channel-handle=3024 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
Files
memory/3064-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/3064-0-0x0000000000500000-0x000000000050F311-memory.dmp
memory/3064-2-0x00000000005E0000-0x00000000005E6000-memory.dmp
memory/3064-9-0x00000000004D0000-0x00000000004D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 8564c7876c0d485486dee24f2fdf025c |
| SHA1 | 1a1e8c1c168ba7dda3107c4c26f7506d39440224 |
| SHA256 | f8c944f2a49dd3a4a457d33023043a259d570511cc70fb85ddafdc760ad81486 |
| SHA512 | 3fe15a017b2e178b9a0ef817f534e48d0cf3a340bd2a0075e87a284d6e707f1130cec1d14fe62cbb86cc906e588bfdec44666d5ccdcf503109a8cc266c3ec4b6 |
memory/3452-18-0x0000000000500000-0x000000000050F311-memory.dmp
memory/3064-17-0x0000000000500000-0x000000000050F311-memory.dmp
memory/3452-20-0x00000000005C0000-0x00000000005C6000-memory.dmp
memory/3452-26-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/3452-27-0x0000000000500000-0x000000000050F311-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-13 03:38
Reported
2024-06-13 03:40
Platform
win7-20240611-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 |
| 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\2024-06-13_74bffae59c74f349bcaf1b22dafadea4_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 2216 wrote to memory of 2668 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_74bffae59c74f349bcaf1b22dafadea4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2216 wrote to memory of 2668 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_74bffae59c74f349bcaf1b22dafadea4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2216 wrote to memory of 2668 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_74bffae59c74f349bcaf1b22dafadea4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2216 wrote to memory of 2668 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_74bffae59c74f349bcaf1b22dafadea4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_74bffae59c74f349bcaf1b22dafadea4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_74bffae59c74f349bcaf1b22dafadea4_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 | 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 | 3.94.41.167:443 | emrlogistics.com | tcp |
| 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 | 3.94.41.167:443 | emrlogistics.com | tcp |
Files
memory/2216-0-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2216-1-0x0000000000420000-0x0000000000426000-memory.dmp
memory/2216-2-0x0000000000450000-0x0000000000456000-memory.dmp
memory/2216-9-0x0000000000420000-0x0000000000426000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 8564c7876c0d485486dee24f2fdf025c |
| SHA1 | 1a1e8c1c168ba7dda3107c4c26f7506d39440224 |
| SHA256 | f8c944f2a49dd3a4a457d33023043a259d570511cc70fb85ddafdc760ad81486 |
| SHA512 | 3fe15a017b2e178b9a0ef817f534e48d0cf3a340bd2a0075e87a284d6e707f1130cec1d14fe62cbb86cc906e588bfdec44666d5ccdcf503109a8cc266c3ec4b6 |
memory/2216-13-0x0000000002120000-0x0000000002130000-memory.dmp
memory/2216-16-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2668-17-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2668-19-0x0000000000210000-0x0000000000216000-memory.dmp
memory/2668-26-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2668-27-0x0000000000500000-0x000000000050F311-memory.dmp