Analysis Overview
SHA256
c1ee36d6bcdb22b7bdd3bc7aefba9d2bdf94cebe0b12f06e27e78a0ee9cd2134
Threat Level: Known bad
The file 2024-06-13_4716da0e36dd7220ba15f19456245e4d_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
Loads dropped DLL
Checks computer location settings
UPX packed file
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 03:31
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: behavioral1
Detonation Overview
Submitted
2024-06-13 03:31
Reported
2024-06-13 03:34
Platform
win7-20240220-en
Max time kernel
147s
Max time network
148s
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 |
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_4716da0e36dd7220ba15f19456245e4d_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 |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2192 wrote to memory of 1728 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_4716da0e36dd7220ba15f19456245e4d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2192 wrote to memory of 1728 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_4716da0e36dd7220ba15f19456245e4d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2192 wrote to memory of 1728 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_4716da0e36dd7220ba15f19456245e4d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2192 wrote to memory of 1728 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_4716da0e36dd7220ba15f19456245e4d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_4716da0e36dd7220ba15f19456245e4d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_4716da0e36dd7220ba15f19456245e4d_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 | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
Files
memory/2192-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2192-1-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2192-2-0x0000000000460000-0x0000000000466000-memory.dmp
memory/2192-9-0x00000000002C0000-0x00000000002C6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 3b3859ae61535127d864a25dbcb849d1 |
| SHA1 | 26b57962685e271d9d9747ffe581d0a4ea243a46 |
| SHA256 | 05c15cc886efa5f3a61f45742e53fe4c35948d1c3d58cadf54ecd68a4e31f16d |
| SHA512 | d580ec2f0783dd40dd74e4edb6e0681c60ec3855208c36c69cdb1c921759b0e471a61b604e925768dcdb68233e58d91d05a8e4679bc2b7802762d9587d4d8f91 |
memory/2192-15-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1728-25-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1728-24-0x0000000000240000-0x0000000000246000-memory.dmp
memory/1728-17-0x0000000000290000-0x0000000000296000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:31
Reported
2024-06-13 03:34
Platform
win10v2004-20240508-en
Max time kernel
150s
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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_4716da0e36dd7220ba15f19456245e4d_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 4720 wrote to memory of 3228 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_4716da0e36dd7220ba15f19456245e4d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4720 wrote to memory of 3228 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_4716da0e36dd7220ba15f19456245e4d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4720 wrote to memory of 3228 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_4716da0e36dd7220ba15f19456245e4d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_4716da0e36dd7220ba15f19456245e4d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_4716da0e36dd7220ba15f19456245e4d_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 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
Files
memory/4720-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4720-1-0x0000000002140000-0x0000000002146000-memory.dmp
memory/4720-2-0x0000000002050000-0x0000000002056000-memory.dmp
memory/4720-9-0x0000000002140000-0x0000000002146000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 3b3859ae61535127d864a25dbcb849d1 |
| SHA1 | 26b57962685e271d9d9747ffe581d0a4ea243a46 |
| SHA256 | 05c15cc886efa5f3a61f45742e53fe4c35948d1c3d58cadf54ecd68a4e31f16d |
| SHA512 | d580ec2f0783dd40dd74e4edb6e0681c60ec3855208c36c69cdb1c921759b0e471a61b604e925768dcdb68233e58d91d05a8e4679bc2b7802762d9587d4d8f91 |
memory/4720-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3228-19-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3228-21-0x0000000000750000-0x0000000000756000-memory.dmp
memory/3228-27-0x0000000000620000-0x0000000000626000-memory.dmp
memory/3228-28-0x0000000000500000-0x0000000000510000-memory.dmp