Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 07:22
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-09_1a1337e42d86f96df1a425d5c7cca4e1_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-09_1a1337e42d86f96df1a425d5c7cca4e1_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-09_1a1337e42d86f96df1a425d5c7cca4e1_cryptolocker.exe
-
Size
41KB
-
MD5
1a1337e42d86f96df1a425d5c7cca4e1
-
SHA1
d6e9c4ce9668806c2a8162bc2490759623a91142
-
SHA256
1e4e432b368979ed98ea64e6c49c593b6a226e6f9b9feec8506219318ac51e11
-
SHA512
1eba6bc0efae5ba51347bed8c593b7c3457b132111fc86058563d160752b0734b6d540c46d47f82bd1e8036fb0f15ca2daa0a7ef9da4db75ca8902c09e046ebb
-
SSDEEP
768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAn7g:bCDOw9aMDooc+vA7g
Malware Config
Signatures
-
Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/1048-0-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0007000000023288-13.dat CryptoLocker_rule2 behavioral2/memory/1048-17-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/2356-26-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 -
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-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation 2024-05-09_1a1337e42d86f96df1a425d5c7cca4e1_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 2356 lossy.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 1048 wrote to memory of 2356 1048 2024-05-09_1a1337e42d86f96df1a425d5c7cca4e1_cryptolocker.exe 83 PID 1048 wrote to memory of 2356 1048 2024-05-09_1a1337e42d86f96df1a425d5c7cca4e1_cryptolocker.exe 83 PID 1048 wrote to memory of 2356 1048 2024-05-09_1a1337e42d86f96df1a425d5c7cca4e1_cryptolocker.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-05-09_1a1337e42d86f96df1a425d5c7cca4e1_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-09_1a1337e42d86f96df1a425d5c7cca4e1_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1048 -
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
PID:2356
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
41KB
MD5a9ce275c7612a7504d2e7bbd2cc5f36c
SHA1047b7a94ead58f91ca6c159c44f02a863925f452
SHA25652f0519747fde9aecb9a06254b5d62912548ff32df617d6954024b34ec74b059
SHA51208d333568c7a64df9f9bc49e9fdb0138ad622a281996a8490cb5ceb78829b13d2f11318cbb057c8e9b32633fef81fe29a110f6f157c7fb61c913c20a9bdf0955