Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
19/03/2024, 11:02
Behavioral task
behavioral1
Sample
2024-03-19_9a7a40a9732eb9cc131ccab75c090774_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-03-19_9a7a40a9732eb9cc131ccab75c090774_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-03-19_9a7a40a9732eb9cc131ccab75c090774_cryptolocker.exe
-
Size
57KB
-
MD5
9a7a40a9732eb9cc131ccab75c090774
-
SHA1
43e3db31fdd26365fff117656061956f024f9f2a
-
SHA256
a85435407c14de447db3a39040332eb53e98b4cfc6b00d9930599dab639dc0a5
-
SHA512
85259198010545ea6742dcf54dfaf36531820fcc01d186c8abfc9dacb113ae801e398b8e068db8e670cf0ccbe35269e6d5ed5a3d640161d319c884c4145af876
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax8iHS:z6QFElP6n+gKmddpMOtEvwDpj9aYa9S
Malware Config
Signatures
-
Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/1624-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x00090000000231fb-13.dat CryptoLocker_rule2 behavioral2/memory/1624-17-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3904-18-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3904-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral2/memory/1624-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/files/0x00090000000231fb-13.dat CryptoLocker_set1 behavioral2/memory/1624-17-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/3904-18-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/3904-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 -
UPX dump on OEP (original entry point) 5 IoCs
resource yara_rule behavioral2/memory/1624-0-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral2/files/0x00090000000231fb-13.dat UPX behavioral2/memory/1624-17-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral2/memory/3904-18-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral2/memory/3904-27-0x0000000000500000-0x0000000000510000-memory.dmp UPX -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation 2024-03-19_9a7a40a9732eb9cc131ccab75c090774_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 3904 asih.exe -
resource yara_rule behavioral2/memory/1624-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x00090000000231fb-13.dat upx behavioral2/memory/1624-17-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/3904-18-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/3904-27-0x0000000000500000-0x0000000000510000-memory.dmp upx -
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 1624 wrote to memory of 3904 1624 2024-03-19_9a7a40a9732eb9cc131ccab75c090774_cryptolocker.exe 86 PID 1624 wrote to memory of 3904 1624 2024-03-19_9a7a40a9732eb9cc131ccab75c090774_cryptolocker.exe 86 PID 1624 wrote to memory of 3904 1624 2024-03-19_9a7a40a9732eb9cc131ccab75c090774_cryptolocker.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-03-19_9a7a40a9732eb9cc131ccab75c090774_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-19_9a7a40a9732eb9cc131ccab75c090774_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1624 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:3904
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
57KB
MD579c224241689f0dcb55d9e72305819d8
SHA1e6fc3cb28d9103b310a2f3149f9257aa8e38785a
SHA256ce5a2775dbea632eea86bce34c7ef740feeec71824b415d8dcec46afaa368cc1
SHA512c82ff6269e3e481a1615290743770f36d2ceff7893590d4a915dbc0c765975b93763e21e1a50a23e0e1a3621a4b2a84d004fa41decd6c0b01719098a38e23554