Analysis
-
max time kernel
133s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06/09/2024, 05:22
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-06_3c9fb08f50e35438da88674eacf8931b_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-06_3c9fb08f50e35438da88674eacf8931b_cryptolocker.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-09-06_3c9fb08f50e35438da88674eacf8931b_cryptolocker.exe
-
Size
72KB
-
MD5
3c9fb08f50e35438da88674eacf8931b
-
SHA1
98613dee6af9ede5be1e89de7d33eb1981e1855f
-
SHA256
b3859c6e4ce589d176b9335584304b767c3573efa8b9c0f07f33e345f0a25e0f
-
SHA512
60c41764e82cec3d7016c8ec548411d538ff0c0fef67fd308da6eaf11c496198d237dbbd0a057ba18bf9b2a6699e91d699084c7d0a4427fac7ac5700efd8db5a
-
SSDEEP
1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZO7:DW60sllyWOtEvwDpjwF85c
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 1336 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 3024 2024-09-06_3c9fb08f50e35438da88674eacf8931b_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-09-06_3c9fb08f50e35438da88674eacf8931b_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3024 wrote to memory of 1336 3024 2024-09-06_3c9fb08f50e35438da88674eacf8931b_cryptolocker.exe 31 PID 3024 wrote to memory of 1336 3024 2024-09-06_3c9fb08f50e35438da88674eacf8931b_cryptolocker.exe 31 PID 3024 wrote to memory of 1336 3024 2024-09-06_3c9fb08f50e35438da88674eacf8931b_cryptolocker.exe 31 PID 3024 wrote to memory of 1336 3024 2024-09-06_3c9fb08f50e35438da88674eacf8931b_cryptolocker.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-09-06_3c9fb08f50e35438da88674eacf8931b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-06_3c9fb08f50e35438da88674eacf8931b_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1336
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
72KB
MD50940ea178ddc8c792e741be34688612d
SHA129bb6325adba128abef9f5353574f2ed97bfd20f
SHA2568e2a7907a3d46d9809803bc970fc0163be1fce96a5bf6261a71caf985d304847
SHA51202e0201f5d58cf22072e5026cf30484da8e7b74732098612ed69c78e7b1f5dc15d8e9cd0a5afac10c5d615a508b97f5c0a1595a3cfe7ec89d1f5595dcae1ed71