a236ff130398348049eff22996743ca7df2f1f3d26c8090513f61eb72284538b

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 00:38

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General

Target

2024-03-15_69b5665681d1e45cd4ced175ad9fda82_cryptolocker.exe
Size

76KB
MD5

69b5665681d1e45cd4ced175ad9fda82
SHA1

580629305aa8ad220f5546ef0d45cb8b7c02b59c
SHA256

a236ff130398348049eff22996743ca7df2f1f3d26c8090513f61eb72284538b
SHA512

8233e71e3939ce9816a8f22df62ec8419ee364f7f30413836c3b289ef36cc1d3978c1b1159bc331bb3980888e2f889d924479e13294ceca9e4caa6bb8a4f4180
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KujdR:ZVxkGOtEvwDpjca7

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000001e59e-13.dat	CryptoLocker_rule2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation	2024-03-15_69b5665681d1e45cd4ced175ad9fda82_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4624	misid.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3784 wrote to memory of 4624	3784	2024-03-15_69b5665681d1e45cd4ced175ad9fda82_cryptolocker.exe	89
PID 3784 wrote to memory of 4624	3784	2024-03-15_69b5665681d1e45cd4ced175ad9fda82_cryptolocker.exe	89
PID 3784 wrote to memory of 4624	3784	2024-03-15_69b5665681d1e45cd4ced175ad9fda82_cryptolocker.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-03-15_69b5665681d1e45cd4ced175ad9fda82_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-15_69b5665681d1e45cd4ced175ad9fda82_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3784
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:4624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
76KB

MD5
0280c3c475ef25699c979946bb3e3718

SHA1
c66a0b9fe7528e20c8a7dce09025bbd74e6f5f0d

SHA256
dba7904c01b273377aec079e1f314883a1c9703561e89a1648c0c28e2455b379

SHA512
49f9e14a0c3f9f1c5fb8b16f33fab85c06d5809ab46be877369054522b2bfa7f78756bc31a138b68d494df0d3c975eb4890eaa346d53f20bda651f77d02f58cc

Download Submit
memory/3784-0-0x00000000004F0000-0x00000000004F3000-memory.dmp

Filesize
12KB

Download
memory/3784-1-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/3784-2-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/3784-3-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/3784-17-0x00000000004F0000-0x00000000004F3000-memory.dmp

Filesize
12KB

Download
memory/4624-19-0x0000000000490000-0x0000000000493000-memory.dmp

Filesize
12KB

Download
memory/4624-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4624-26-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download