Analysis
-
max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
11/06/2024, 02:33
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-11_a8c588e03ecb3646f5f3fd763aedd801_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-06-11_a8c588e03ecb3646f5f3fd763aedd801_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-06-11_a8c588e03ecb3646f5f3fd763aedd801_cryptolocker.exe
-
Size
50KB
-
MD5
a8c588e03ecb3646f5f3fd763aedd801
-
SHA1
42a8da3389e3345e1e93737eeac373f61346a4d4
-
SHA256
09da49c224362ada42401cb498b51ded042b803df53447a443a4fc1bfc97f17c
-
SHA512
2527a64a1408c2a91b56aab676e8c11c114c71350cabe2609676de30d9eaa1f45bb2f3567f2a5461e8521066ccac5611731b9df083879758b21e3085a775bd23
-
SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vdXfm6:X6QFElP6n+gJBMOtEvwDpjBtEdXfd
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000b0000000144ac-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000b0000000144ac-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2948 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 1720 2024-06-11_a8c588e03ecb3646f5f3fd763aedd801_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1720 wrote to memory of 2948 1720 2024-06-11_a8c588e03ecb3646f5f3fd763aedd801_cryptolocker.exe 28 PID 1720 wrote to memory of 2948 1720 2024-06-11_a8c588e03ecb3646f5f3fd763aedd801_cryptolocker.exe 28 PID 1720 wrote to memory of 2948 1720 2024-06-11_a8c588e03ecb3646f5f3fd763aedd801_cryptolocker.exe 28 PID 1720 wrote to memory of 2948 1720 2024-06-11_a8c588e03ecb3646f5f3fd763aedd801_cryptolocker.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-11_a8c588e03ecb3646f5f3fd763aedd801_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-11_a8c588e03ecb3646f5f3fd763aedd801_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1720 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2948
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
50KB
MD552799cfa88f102f30001567ecf1c56e9
SHA1f55583bd76d5dc8248b1816f909fcbe7d479f62e
SHA25681b0475007c49491b2d92732ad936d8958fb7d087cec766126f36fdeafffbd6d
SHA5124d22ea0d5d8e1e78d0b259567d7f34343b1025b2e4db89375f65e682696db8da0c238c6143984c14813aa087e5ed99d75396b6bd79ba4702cf9dfb687ac6c47b