712de48b6ec048bfa3d6a51a7fea410c5a5dd8f51f034a2b5e6402bbdc3b2d32

Analysis

max time kernel
139s
max time network
158s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06/03/2024, 13:39

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General

Target

2024-03-06_8e3f335b1ad65dc50e0942ba80bf92d6_cryptolocker.exe
Size

37KB
MD5

8e3f335b1ad65dc50e0942ba80bf92d6
SHA1

360fb3345857ffe374081e84fdf9429a469eba5c
SHA256

712de48b6ec048bfa3d6a51a7fea410c5a5dd8f51f034a2b5e6402bbdc3b2d32
SHA512

516dffc725d9ae4eec2a5b5ba48b6e25947eb48f82d25cb1edc19b6fbedf9b56afb1ffa74e55c49cfbc8b0d76b7625833eb5203d11b75d64c7e2a61945dc40f2
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAYR:ZzFbxmLPWQMOtEvwDpjLeJAYR

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122dd-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2932	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2036	2024-03-06_8e3f335b1ad65dc50e0942ba80bf92d6_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2932	2036	2024-03-06_8e3f335b1ad65dc50e0942ba80bf92d6_cryptolocker.exe	28
PID 2036 wrote to memory of 2932	2036	2024-03-06_8e3f335b1ad65dc50e0942ba80bf92d6_cryptolocker.exe	28
PID 2036 wrote to memory of 2932	2036	2024-03-06_8e3f335b1ad65dc50e0942ba80bf92d6_cryptolocker.exe	28
PID 2036 wrote to memory of 2932	2036	2024-03-06_8e3f335b1ad65dc50e0942ba80bf92d6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-06_8e3f335b1ad65dc50e0942ba80bf92d6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-06_8e3f335b1ad65dc50e0942ba80bf92d6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
37KB

MD5
fb49c10d6a2ded1d3986247d64926770

SHA1
ca98f1440b685d560eaf60ee4831ed2f39083a32

SHA256
35780ddac643e150f61f6937049a950ab336a96ede6cae7f57ac371aa7ade005

SHA512
c929ca8814da6d2b669f506ae44d3304ae8426793cd36e44b0060c11f1cee0670c95b745e0582c3ab096ac68e7033fd237f7dd5a0da8c4beeaa970e718f0c991

Download Submit
memory/2036-1-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/2036-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2036-8-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/2036-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2932-16-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2932-17-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download