9169fa6d62422f0b281fc365e21e56f2c87dd2076b076238838ac5e2b1a2c31c

Analysis

max time kernel
91s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 03:40

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General

Target

2024-01-26_ebba5c38f26e587d4a70f386ca9b0f32_cryptolocker.exe
Size

65KB
MD5

ebba5c38f26e587d4a70f386ca9b0f32
SHA1

f92c84e06bcf35e3025f7658e038c0a6e9ba2a02
SHA256

9169fa6d62422f0b281fc365e21e56f2c87dd2076b076238838ac5e2b1a2c31c
SHA512

bbe59a95cfcca95c09e257b51792995dd32439eccbd33f4c7f635ea0a5cedc6a385e34833ecc178914e31ed552897c430ba91e9c06a8b93393c4f73afe8a504f
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3hvLcbVN:ZVxkGOtEvwDpjcawn

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000002304b-13.dat	CryptoLocker_rule2

Checks computer location settings 2 TTPs 2 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-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	2024-01-26_ebba5c38f26e587d4a70f386ca9b0f32_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

pid	Process
4168	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 2420 wrote to memory of 4168	2420	2024-01-26_ebba5c38f26e587d4a70f386ca9b0f32_cryptolocker.exe	88
PID 2420 wrote to memory of 4168	2420	2024-01-26_ebba5c38f26e587d4a70f386ca9b0f32_cryptolocker.exe	88
PID 2420 wrote to memory of 4168	2420	2024-01-26_ebba5c38f26e587d4a70f386ca9b0f32_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-01-26_ebba5c38f26e587d4a70f386ca9b0f32_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-26_ebba5c38f26e587d4a70f386ca9b0f32_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:4168

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

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Downloads

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

Filesize
65KB

MD5
2b2eddf84364615a82640470d73d6f48

SHA1
86d1f593675c1ee83fc99dc3da620661149d9995

SHA256
3dde1b70152295c15b6f0ea9aa9d277855aaf59b6e165b38d61ce40ec42a13e0

SHA512
606165faa441a7ed65f20033d40f2aadad99335ff287a35c65daf33ddafa384ad1ac1aea42887cbf0ef5d3b41577e95f01b486663021fe0516cf9a4508dc9d83

Download Submit
memory/2420-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/2420-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/2420-2-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/2420-3-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/2420-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/4168-19-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/4168-21-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/4168-20-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download