7e89cf814a0beeef26c13c99b5559eeb05f70d0aeda5dd761a01a56f9945c4a5

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12-03-2024 20:35

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General

Target

2024-03-12_9e8502d6e904dc39695e3b2312b5564f_cryptolocker.exe
Size

34KB
MD5

9e8502d6e904dc39695e3b2312b5564f
SHA1

3275ad8236e76bbaab2d2a20055ef1c43758f131
SHA256

7e89cf814a0beeef26c13c99b5559eeb05f70d0aeda5dd761a01a56f9945c4a5
SHA512

b8d0f11db73448489a63ca38e246e6f2e1e3a8644817d762566199d20e7eb746e39fde3c75b2b2ee43e3880decc1127115562c2ab69efd60138bfdb0f68471ed
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunexRlSrxV1P8:bA74zYcgT/Ekd0ryfjPIunYwfP8

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000001ebc7-12.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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	2024-03-12_9e8502d6e904dc39695e3b2312b5564f_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1480	hasfj.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 3148 wrote to memory of 1480	3148	2024-03-12_9e8502d6e904dc39695e3b2312b5564f_cryptolocker.exe	89
PID 3148 wrote to memory of 1480	3148	2024-03-12_9e8502d6e904dc39695e3b2312b5564f_cryptolocker.exe	89
PID 3148 wrote to memory of 1480	3148	2024-03-12_9e8502d6e904dc39695e3b2312b5564f_cryptolocker.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-03-12_9e8502d6e904dc39695e3b2312b5564f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_9e8502d6e904dc39695e3b2312b5564f_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3148
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:1480

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\hasfj.exe

Filesize
35KB

MD5
f9a4873d1313d7b682ca5a1a68123eb7

SHA1
1cb4106fb37ba3f0550bfa8044d0075e7c173397

SHA256
4232cb5a37427632e96c4b06e5c5fe81e04e497236242816089ba51e94ae9a15

SHA512
29a365f287b5a55cd66488f4af4fad4d3e1f7504285f6398905480a9f11e26043671d483fd040bd659c4123d41754b0f257b18da71f02a0ab4d1935a671a9ddd

Download Submit
memory/1480-19-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/3148-0-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/3148-1-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/3148-2-0x0000000003000000-0x0000000003006000-memory.dmp

Filesize
24KB

Download