Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
144s -
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
13/02/2024, 13:08
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-13_c2549664ca1bfc8f92b6b4b7e2108a7a_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_c2549664ca1bfc8f92b6b4b7e2108a7a_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-02-13_c2549664ca1bfc8f92b6b4b7e2108a7a_cryptolocker.exe
-
Size
57KB
-
MD5
c2549664ca1bfc8f92b6b4b7e2108a7a
-
SHA1
d0448728fc3f3110326c7a4bccdec476811d671b
-
SHA256
43a22394a89719a34435fecb84c20d51652a8cc13994bd31f720e73342528e7d
-
SHA512
52d7650a077d16d358edcaf5bc34a5a4f39d828811d4da7ad21610e9245657bc92309fb8ae91b8cdf769e19fa184505dfd5f3948a09968db363fe2895310975d
-
SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61PTG:BbdDmjr+OtEvwDpjMY
Malware Config
Signatures
-
Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4136-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0007000000023224-13.dat CryptoLocker_rule2 behavioral2/memory/4136-17-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4760-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 2 IoCs
resource yara_rule behavioral2/memory/4136-17-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/4760-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 -
UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/4136-0-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral2/files/0x0007000000023224-13.dat UPX behavioral2/memory/4136-17-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral2/memory/4760-26-0x0000000000500000-0x0000000000510000-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-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation 2024-02-13_c2549664ca1bfc8f92b6b4b7e2108a7a_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 4760 asih.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 4136 wrote to memory of 4760 4136 2024-02-13_c2549664ca1bfc8f92b6b4b7e2108a7a_cryptolocker.exe 84 PID 4136 wrote to memory of 4760 4136 2024-02-13_c2549664ca1bfc8f92b6b4b7e2108a7a_cryptolocker.exe 84 PID 4136 wrote to memory of 4760 4136 2024-02-13_c2549664ca1bfc8f92b6b4b7e2108a7a_cryptolocker.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-02-13_c2549664ca1bfc8f92b6b4b7e2108a7a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-13_c2549664ca1bfc8f92b6b4b7e2108a7a_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4136 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:4760
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
57KB
MD598a6d9bf4d66249fef3607221661488c
SHA1db9eab97e87122c95795d96f70f52114e5ed886e
SHA2569910a04703769eb0f58aee7246fdbcd2ce23d4f205a0f9686aac5afb1951ddb8
SHA5126e17e0925467a96cccc2b8e7c75648b2819976f749fc26370ae1fdd1bf3ddc03111b1bc80ec34bb18d8e56f8fe5ec2dfbeb38af235d163a5b0c522c2ea326b08