Analysis
-
max time kernel
132s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-11-2024 07:48
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe
Resource
win10v2004-20241007-en
General
-
Target
2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe
-
Size
73KB
-
MD5
e2cbcc5893fd9be52e4ff766a58a89ff
-
SHA1
cd2e4af89c0674d8512e51bab63f9f10c50226e6
-
SHA256
f0c1017ee142ac048daa9588037919a867c22a7661fd2d0f9661c822ffb5ed6e
-
SHA512
65a4889a4e162019158ce67ce60900751e9d64c2db0c2e3c0f1d7c01773ff822201992dc782e3ba342cf50c6e48697f80321ee091628718919fea6f91f6f0f9c
-
SSDEEP
1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZOp:DW60sllyWOtEvwDpjwF85a
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
asih.exepid process 3000 asih.exe -
Loads dropped DLL 1 IoCs
Processes:
2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exepid process 2084 2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exeasih.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exedescription pid process target process PID 2084 wrote to memory of 3000 2084 2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe asih.exe PID 2084 wrote to memory of 3000 2084 2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe asih.exe PID 2084 wrote to memory of 3000 2084 2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe asih.exe PID 2084 wrote to memory of 3000 2084 2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe asih.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3000
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
73KB
MD55745c02cf09f25c83f20d69056e723ce
SHA1a293e0a97b99708dd76b8d56677fac78e54e4eb9
SHA256e647821dbe508f52c76bbb153117579babfa7b3dfc65e05cc2ed8a08c1138b56
SHA5120c579a04d5c4d9bac7676e34d01026caa8c390db66a0450d7a2e022c3a9410ea78502f66644e414e8d1e9f99136e8a38d71b3e6bab8f48af60038a50cde63c60