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
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
03/06/2024, 04:26
Behavioral task
behavioral1
Sample
2024-06-03_52373466b7674e49e7b8cfafc00bae34_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-03_52373466b7674e49e7b8cfafc00bae34_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-06-03_52373466b7674e49e7b8cfafc00bae34_cryptolocker.exe
-
Size
37KB
-
MD5
52373466b7674e49e7b8cfafc00bae34
-
SHA1
42946ad853b08372538eaed7bca7c7d6435440a4
-
SHA256
711c05bc6ec2b9cef23593d72207307b5edb63ab71351d0063ece0635a2aceba
-
SHA512
2c78c5a34a77493451fda92880c845bbf0fffc03df1289c1d078057d961165fffc598c08307f1bb63a71e6e722bba4ce0d6481665d5cadbfac17df5bf6490a6b
-
SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5axK3VKLz:qUmnpomddpMOtEvwDpjjaYaQQz
Malware Config
Signatures
-
Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/1192-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0008000000022f51-13.dat CryptoLocker_rule2 behavioral2/memory/1192-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4916-18-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4916-27-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral2/memory/1192-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/files/0x0008000000022f51-13.dat CryptoLocker_set1 behavioral2/memory/1192-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/memory/4916-18-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/memory/4916-27-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 -
UPX dump on OEP (original entry point) 5 IoCs
resource yara_rule behavioral2/memory/1192-0-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/files/0x0008000000022f51-13.dat UPX behavioral2/memory/1192-16-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/memory/4916-18-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/memory/4916-27-0x0000000000500000-0x000000000050F000-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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation 2024-06-03_52373466b7674e49e7b8cfafc00bae34_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 4916 asih.exe -
resource yara_rule behavioral2/memory/1192-0-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/files/0x0008000000022f51-13.dat upx behavioral2/memory/1192-16-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/memory/4916-18-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/memory/4916-27-0x0000000000500000-0x000000000050F000-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 1192 wrote to memory of 4916 1192 2024-06-03_52373466b7674e49e7b8cfafc00bae34_cryptolocker.exe 82 PID 1192 wrote to memory of 4916 1192 2024-06-03_52373466b7674e49e7b8cfafc00bae34_cryptolocker.exe 82 PID 1192 wrote to memory of 4916 1192 2024-06-03_52373466b7674e49e7b8cfafc00bae34_cryptolocker.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-03_52373466b7674e49e7b8cfafc00bae34_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-03_52373466b7674e49e7b8cfafc00bae34_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1192 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:4916
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
37KB
MD538ddb2b13f992dcf89181735e0c4f3a5
SHA1902840570b4f2c0b5d36cd77e9be44323329984c
SHA256c0d9e0dc8ab794c3413129c9fc90058918a103c36e3a4d09d539c0c9f91cfc6b
SHA512a870d58c22b7843b7050c00586ba567523ebab52a588925425fe3cf76dc48d6fd648c1c5388304e38a3e2e3fec199efa1519598e4a75e16fd6621313523e0a1e