Analysis
-
max time kernel
0s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-11-2024 07:51
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-21_ff94dcdec1bd7ec3ebbfae6d95721602_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-21_ff94dcdec1bd7ec3ebbfae6d95721602_cryptolocker.exe
Resource
win10v2004-20241007-en
General
-
Target
2024-11-21_ff94dcdec1bd7ec3ebbfae6d95721602_cryptolocker.exe
-
Size
73KB
-
MD5
ff94dcdec1bd7ec3ebbfae6d95721602
-
SHA1
dbe94c93357d31a28529e971dfff821edadba539
-
SHA256
d015bc037e6b077831deb68a4000bbb8c6033666d9444609920081ffacfdd59c
-
SHA512
1d8235db81032ec2b19bbc02419f3d56b99ad7f4ae4b9a8457c87fd36df649041629b4bf387fcc3136addf766e6134fa0acb72c7444d909c2f60ec94d8156d54
-
SSDEEP
1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZOG:DW60sllyWOtEvwDpjwF85l
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2844 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2764 2024-11-21_ff94dcdec1bd7ec3ebbfae6d95721602_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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-11-21_ff94dcdec1bd7ec3ebbfae6d95721602_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2764 wrote to memory of 2844 2764 2024-11-21_ff94dcdec1bd7ec3ebbfae6d95721602_cryptolocker.exe 31 PID 2764 wrote to memory of 2844 2764 2024-11-21_ff94dcdec1bd7ec3ebbfae6d95721602_cryptolocker.exe 31 PID 2764 wrote to memory of 2844 2764 2024-11-21_ff94dcdec1bd7ec3ebbfae6d95721602_cryptolocker.exe 31 PID 2764 wrote to memory of 2844 2764 2024-11-21_ff94dcdec1bd7ec3ebbfae6d95721602_cryptolocker.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-11-21_ff94dcdec1bd7ec3ebbfae6d95721602_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-21_ff94dcdec1bd7ec3ebbfae6d95721602_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2764 -
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:2844
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
73KB
MD54b7470add3029672a62b78a69d9e4392
SHA1a72fa59c31743b4f3444be0634b358498ed1b095
SHA256497bf12d483c9778cac6531d77151b2bfd22f932ead09fdfee6698d058df0379
SHA51277111fc04d2bdfc7a145997476cb64537a0f81e63c91f598918d0da70d01f66e523fd1166e61a3af5f429ccca2d4baf8b65a52111deced2a9cb5732953a3e25f