Analysis Overview
SHA256
da1a67016501ab8a2059d18bc70ed171c6c3020477eeb9587e9bd48e46070a22
Threat Level: Known bad
The file 2024-06-13_409598dd5fac8f2191e8949cc575df5d_cryptolocker was found to be: Known bad.
Malicious Activity Summary
UPX dump on OEP (original entry point)
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Loads dropped DLL
UPX packed file
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
2024-06-13 03:44
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 |
Detection of Cryptolocker Samples
| Description | Indicator | Process | Target |
| 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 |
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 |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:44
Reported
2024-06-13 03:47
Platform
win10v2004-20240611-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 |
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-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_409598dd5fac8f2191e8949cc575df5d_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 2896 wrote to memory of 1912 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_409598dd5fac8f2191e8949cc575df5d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2896 wrote to memory of 1912 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_409598dd5fac8f2191e8949cc575df5d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2896 wrote to memory of 1912 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_409598dd5fac8f2191e8949cc575df5d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_409598dd5fac8f2191e8949cc575df5d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_409598dd5fac8f2191e8949cc575df5d_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 | 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 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 3.94.41.167:443 | 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 | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| 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/2896-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2896-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/2896-2-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/2896-9-0x00000000004D0000-0x00000000004D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | bd9a5d8f2f0e5daca27628efaeddaf1c |
| SHA1 | 8588024dfb9964ca2246b935b88f6a9045182dea |
| SHA256 | 258029bc2cfb910f2401f7ea0aad4ed4ee5660c4c877d82b2d6d343dc34806c7 |
| SHA512 | ede3125db5973d79daf74c78ec3c4d5c1d4a71dd05b53a1c635387b8cb27f4bed309410de90e7878d76938b801627eb000aa75abc15c3fba6d8fbd7ecd3c0a42 |
memory/2896-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1912-21-0x00000000020F0000-0x00000000020F6000-memory.dmp
memory/1912-20-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/1912-27-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-13 03:44
Reported
2024-06-13 03:47
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 |
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\2024-06-13_409598dd5fac8f2191e8949cc575df5d_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 1992 wrote to memory of 2524 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_409598dd5fac8f2191e8949cc575df5d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1992 wrote to memory of 2524 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_409598dd5fac8f2191e8949cc575df5d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1992 wrote to memory of 2524 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_409598dd5fac8f2191e8949cc575df5d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1992 wrote to memory of 2524 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_409598dd5fac8f2191e8949cc575df5d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_409598dd5fac8f2191e8949cc575df5d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_409598dd5fac8f2191e8949cc575df5d_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/1992-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1992-1-0x0000000000420000-0x0000000000426000-memory.dmp
memory/1992-3-0x0000000000460000-0x0000000000466000-memory.dmp
memory/1992-9-0x0000000076E60000-0x0000000077009000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | bd9a5d8f2f0e5daca27628efaeddaf1c |
| SHA1 | 8588024dfb9964ca2246b935b88f6a9045182dea |
| SHA256 | 258029bc2cfb910f2401f7ea0aad4ed4ee5660c4c877d82b2d6d343dc34806c7 |
| SHA512 | ede3125db5973d79daf74c78ec3c4d5c1d4a71dd05b53a1c635387b8cb27f4bed309410de90e7878d76938b801627eb000aa75abc15c3fba6d8fbd7ecd3c0a42 |
memory/1992-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1992-14-0x00000000005A0000-0x00000000005B0000-memory.dmp
memory/2524-19-0x0000000000350000-0x0000000000356000-memory.dmp
memory/2524-27-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2524-26-0x0000000076E60000-0x0000000077009000-memory.dmp