Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
09/10/2024, 09:29
Behavioral task
behavioral1
Sample
2024-10-09_d6fe99b1391faae862c9a1a0586386eb_cryptolocker.exe
Resource
win7-20240729-en
General
-
Target
2024-10-09_d6fe99b1391faae862c9a1a0586386eb_cryptolocker.exe
-
Size
55KB
-
MD5
d6fe99b1391faae862c9a1a0586386eb
-
SHA1
6688882b8eea59cb03be3c5e7f066bd47a7ac087
-
SHA256
f5a3dbda2c060716ba602220fb5b12a99ef42d443d9877b6458936cdd27c7c59
-
SHA512
d09736ce6f9a6e143eda2236f01678b3230af755bb1c2d80f096764764b7419b9bce94986f6ea726315027001cf77f760523c9439640f45c26599420f9b797a7
-
SSDEEP
768:bco/2n1TCraU6GD1P2wZEjbhxnbcuyD7U9kXDn62tH/1/LpPFPg:b7/y28wZEjbnouy8G76iH/NLpW
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2888 rewok.exe -
Loads dropped DLL 1 IoCs
pid Process 376 2024-10-09_d6fe99b1391faae862c9a1a0586386eb_cryptolocker.exe -
resource yara_rule behavioral1/memory/376-0-0x0000000000400000-0x000000000040E000-memory.dmp upx behavioral1/files/0x000b00000001225e-11.dat upx -
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 2024-10-09_d6fe99b1391faae862c9a1a0586386eb_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rewok.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 376 2024-10-09_d6fe99b1391faae862c9a1a0586386eb_cryptolocker.exe 2888 rewok.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 376 wrote to memory of 2888 376 2024-10-09_d6fe99b1391faae862c9a1a0586386eb_cryptolocker.exe 30 PID 376 wrote to memory of 2888 376 2024-10-09_d6fe99b1391faae862c9a1a0586386eb_cryptolocker.exe 30 PID 376 wrote to memory of 2888 376 2024-10-09_d6fe99b1391faae862c9a1a0586386eb_cryptolocker.exe 30 PID 376 wrote to memory of 2888 376 2024-10-09_d6fe99b1391faae862c9a1a0586386eb_cryptolocker.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-10-09_d6fe99b1391faae862c9a1a0586386eb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-09_d6fe99b1391faae862c9a1a0586386eb_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:376 -
C:\Users\Admin\AppData\Local\Temp\rewok.exe"C:\Users\Admin\AppData\Local\Temp\rewok.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
PID:2888
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
55KB
MD51ad94e3c22653d1615a7a4b36c38555c
SHA192f239183cbef7dba4ad4877278f4a4f58ac7d26
SHA256a018f7ae3fe210717095d71797ba10518611716e8f1edb88a05a3b2840332a16
SHA5127814b10612f7432ec2ce164acd39c830a858226590f32bee995cf51d7e7676543d2f84225b209711187f0d2e65d6084dc841de03772307bd58d805cd4121d4dd