d3195f20c6b9d6dd0ced7f668722144c4d3deb447ebbed70095a26acc03ce2a2

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2024, 17:48

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General

Target

2024-04-15_964ee36feda1a8d6d3f0a41ced9e45c9_cryptolocker.exe
Size

83KB
MD5

964ee36feda1a8d6d3f0a41ced9e45c9
SHA1

7beb02ebb587b4ae8ce5814ad56808de19d565a8
SHA256

d3195f20c6b9d6dd0ced7f668722144c4d3deb447ebbed70095a26acc03ce2a2
SHA512

e503a36d007510f715c18719d91ddfd6e29f5daa0dab6d80ca0c8ab35e45942b4fc4ba46efec4fc8e053c295f52b342352e72cb754e3790db3b9f123d1130867
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHu4:vCjsIOtEvwDpj5H9YvQd2x

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x001c00000001e97e-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x001c00000001e97e-12.dat	CryptoLocker_set1

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-1-5-21-259785868-298165991-4178590326-1000\Control Panel\International\Geo\Nation	2024-04-15_964ee36feda1a8d6d3f0a41ced9e45c9_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3332	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 1944 wrote to memory of 3332	1944	2024-04-15_964ee36feda1a8d6d3f0a41ced9e45c9_cryptolocker.exe	87
PID 1944 wrote to memory of 3332	1944	2024-04-15_964ee36feda1a8d6d3f0a41ced9e45c9_cryptolocker.exe	87
PID 1944 wrote to memory of 3332	1944	2024-04-15_964ee36feda1a8d6d3f0a41ced9e45c9_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-04-15_964ee36feda1a8d6d3f0a41ced9e45c9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_964ee36feda1a8d6d3f0a41ced9e45c9_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3332

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
83KB

MD5
608526ce5eb123c84aebf8f8feb27e64

SHA1
ac9f0711caa3d88aed8342aa771d9cac601471c9

SHA256
2e7e8e0186d6f90b14f010f76206213e191cfe64b7b78c8b61f0bda944a73cec

SHA512
de3e5faaaecaadd5aa39e02a7faa06711cf2b018bcccf342c6af5668ba5c574c05c7a619a5e600c23ae000ca59efd3b8a87b8bad07042ee3e11c8f31ebdeb0d4

Download Submit
memory/1944-0-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/1944-1-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/1944-2-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/3332-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3332-21-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download