5031052dd5f8b048c49963f24cea8adbed02deb51c416f3fcdc9221b73f42a24

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09-03-2024 19:48

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General

Target

2024-03-09_33cf34c50f9c108f1d21d10491a17425_cryptolocker.exe
Size

41KB
MD5

33cf34c50f9c108f1d21d10491a17425
SHA1

be68c85d347b532737260fe1c2c21d673810c7d4
SHA256

5031052dd5f8b048c49963f24cea8adbed02deb51c416f3fcdc9221b73f42a24
SHA512

34a9abbc2b99ff0c075863f6ae0fa4397aa264e311c5ff757328837269e6a85eb6abc15d2e132ff28541e626ad31873e079b8a6b3ae70c2d3cf26499c6e90389
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDDw3sCu529hwXwP:bgGYcA/53GADw8Ch92XQ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000300000001e9a0-12.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-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation	2024-03-09_33cf34c50f9c108f1d21d10491a17425_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3192	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 2604 wrote to memory of 3192	2604	2024-03-09_33cf34c50f9c108f1d21d10491a17425_cryptolocker.exe	89
PID 2604 wrote to memory of 3192	2604	2024-03-09_33cf34c50f9c108f1d21d10491a17425_cryptolocker.exe	89
PID 2604 wrote to memory of 3192	2604	2024-03-09_33cf34c50f9c108f1d21d10491a17425_cryptolocker.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-03-09_33cf34c50f9c108f1d21d10491a17425_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-09_33cf34c50f9c108f1d21d10491a17425_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:3192

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
41KB

MD5
4915b9e441fab355ea0260bdee64c202

SHA1
4150c0246a80a008febcba85510c3edd3ebbbf74

SHA256
0585fba321c771dd15b33bf2fdfc2cecc63f4f23b7f78c446b303d57b23dee90

SHA512
08992d8fd9cba47bb3857149bc4e324163f005a85ec4a517c6d71294674897c1fd5755166916a770b990ac458833c9f752cc7166fd811026986c43b27309e473

Download Submit
memory/2604-0-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/2604-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/2604-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/3192-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/3192-18-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download