Analysis Overview
SHA256
c68f89e4a44d59b21463bac470c09041680d109b9150437f05eabbe776f77079
Threat Level: Known bad
The file 2024-05-27_5a9ffdd7833030d87b93749e751c3d2c_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-27 18:30
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
2024-05-27 18:30
Reported
2024-05-27 18:33
Platform
win7-20240220-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 |
| 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 |
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\2024-05-27_5a9ffdd7833030d87b93749e751c3d2c_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2860 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-27_5a9ffdd7833030d87b93749e751c3d2c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2860 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-27_5a9ffdd7833030d87b93749e751c3d2c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2860 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-27_5a9ffdd7833030d87b93749e751c3d2c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2860 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-27_5a9ffdd7833030d87b93749e751c3d2c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-27_5a9ffdd7833030d87b93749e751c3d2c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-27_5a9ffdd7833030d87b93749e751c3d2c_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 | 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 |
| 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 |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
Files
memory/2860-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2860-1-0x0000000000320000-0x0000000000326000-memory.dmp
memory/2860-2-0x0000000000460000-0x0000000000466000-memory.dmp
memory/2860-9-0x0000000000320000-0x0000000000326000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | fb671ac634e05de92aa401a1b09b6709 |
| SHA1 | 7108b8dd739206a63cceec4ef90b0907eb293bb9 |
| SHA256 | cc1e884fa5d291fb1a1b0370d2d00d72ac8606e045347684d35a1755a63215f2 |
| SHA512 | 7965cd567a17324057fc26cf1b80532723e2b7fdb38ba2fbb091ab7ed8f318fd7c1d0837e6686bee895f760a8361f8ec044772a5de73cf6a287310fcee1354d3 |
memory/3024-16-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2860-15-0x0000000000500000-0x000000000050B000-memory.dmp
memory/3024-18-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/3024-25-0x0000000000280000-0x0000000000286000-memory.dmp
memory/3024-26-0x0000000000500000-0x000000000050B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-27 18:30
Reported
2024-05-27 18:33
Platform
win10v2004-20240508-en
Max time kernel
148s
Max time network
159s
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-05-27_5a9ffdd7833030d87b93749e751c3d2c_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 1060 wrote to memory of 3968 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-27_5a9ffdd7833030d87b93749e751c3d2c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1060 wrote to memory of 3968 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-27_5a9ffdd7833030d87b93749e751c3d2c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1060 wrote to memory of 3968 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-27_5a9ffdd7833030d87b93749e751c3d2c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-27_5a9ffdd7833030d87b93749e751c3d2c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-27_5a9ffdd7833030d87b93749e751c3d2c_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 --no-appcompat-clear --field-trial-handle=4300,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=4184 /prefetch:8
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 | emrlogistics.com | udp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
Files
memory/1060-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1060-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/1060-2-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/1060-9-0x00000000004D0000-0x00000000004D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | fb671ac634e05de92aa401a1b09b6709 |
| SHA1 | 7108b8dd739206a63cceec4ef90b0907eb293bb9 |
| SHA256 | cc1e884fa5d291fb1a1b0370d2d00d72ac8606e045347684d35a1755a63215f2 |
| SHA512 | 7965cd567a17324057fc26cf1b80532723e2b7fdb38ba2fbb091ab7ed8f318fd7c1d0837e6686bee895f760a8361f8ec044772a5de73cf6a287310fcee1354d3 |
memory/3968-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1060-18-0x0000000000500000-0x000000000050B000-memory.dmp
memory/3968-20-0x0000000000510000-0x0000000000516000-memory.dmp
memory/3968-26-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/3968-27-0x0000000000500000-0x000000000050B000-memory.dmp