Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
120s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
14/02/2024, 03:42
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-14_3f2a5034789c16c6822168654690a477_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-14_3f2a5034789c16c6822168654690a477_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-02-14_3f2a5034789c16c6822168654690a477_cryptolocker.exe
-
Size
36KB
-
MD5
3f2a5034789c16c6822168654690a477
-
SHA1
4a97383a73917a74ac50ae6644b283c23f1440eb
-
SHA256
fcba8cfb486c838536da27fd70d55fb9bb6f71ef3867c219d637ee233b6a1abc
-
SHA512
95f06cff164de7ca9b6c428b342b61f66f1e86ba6ce9cd4dbf60132d6b35b3dcd4e6089388adb4b20cac394bb8cde94ae696e5f7cfb9a01c1903a1c8187a3850
-
SSDEEP
384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunRCO:btB9g/WItCSsAGjX7e9N0hunRCO
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x00070000000231f9-12.dat CryptoLocker_rule2 -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation 2024-02-14_3f2a5034789c16c6822168654690a477_cryptolocker.exe Key value queried \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation gewos.exe -
Executes dropped EXE 1 IoCs
pid Process 4612 gewos.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4932 wrote to memory of 4612 4932 2024-02-14_3f2a5034789c16c6822168654690a477_cryptolocker.exe 85 PID 4932 wrote to memory of 4612 4932 2024-02-14_3f2a5034789c16c6822168654690a477_cryptolocker.exe 85 PID 4932 wrote to memory of 4612 4932 2024-02-14_3f2a5034789c16c6822168654690a477_cryptolocker.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-02-14_3f2a5034789c16c6822168654690a477_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-14_3f2a5034789c16c6822168654690a477_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4932 -
C:\Users\Admin\AppData\Local\Temp\gewos.exe"C:\Users\Admin\AppData\Local\Temp\gewos.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
PID:4612
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
36KB
MD5a7d5fc3ab38c4f9b4c9e9fecb035d099
SHA109dd8940462cc8c6a8cdc4087690defa1fadcd1a
SHA256846c340fde78a531c223090689d153fe610dcd45caabcd33aa0667c0a562ab15
SHA512ecd318a9e52972cdec021849ecbdbdb45d9ccffc0f9866dcd79082082321bf13e5cb273490f56dcd90f80e1f1ece1747630380c70b4f838555aff79479033100