0073bbc313e3b20ca0e79210b29736e30b5b40825dd6fe33e90128b1b8985f73

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-11-2024 06:24

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General

Target

2024-11-02_0a7ca7a1e597932b7cb1071f682e0784_cryptolocker.exe
Size

38KB
MD5

0a7ca7a1e597932b7cb1071f682e0784
SHA1

30edeef2b563d76bb6ff2fed30a8a96a76c380cc
SHA256

0073bbc313e3b20ca0e79210b29736e30b5b40825dd6fe33e90128b1b8985f73
SHA512

fa7fad62cff75bbc0a4f548a5eec913e0d4695fb4cdc1808be2d5a7a1a489429297d17020e0b13219ff7530a39110b7bbcd7432272573ceac7a99444ac3610cc
SSDEEP

768:bAvJCYOOvbRPDEgXrNekd7l94i3pQheDZ+:bAvJCF+RQgJeab4sbg

Score

7^/10

discovery

Malware Config

Signatures

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

Processes:

2024-11-02_0a7ca7a1e597932b7cb1071f682e0784_cryptolocker.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2024-11-02_0a7ca7a1e597932b7cb1071f682e0784_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

demka.exe

pid process

3848 demka.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3848	demka.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

2024-11-02_0a7ca7a1e597932b7cb1071f682e0784_cryptolocker.exedemka.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-02_0a7ca7a1e597932b7cb1071f682e0784_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	demka.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-11-02_0a7ca7a1e597932b7cb1071f682e0784_cryptolocker.exe

description	pid	process	target process
PID 1412 wrote to memory of 3848	1412	2024-11-02_0a7ca7a1e597932b7cb1071f682e0784_cryptolocker.exe	demka.exe
PID 1412 wrote to memory of 3848	1412	2024-11-02_0a7ca7a1e597932b7cb1071f682e0784_cryptolocker.exe	demka.exe
PID 1412 wrote to memory of 3848	1412	2024-11-02_0a7ca7a1e597932b7cb1071f682e0784_cryptolocker.exe	demka.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-02_0a7ca7a1e597932b7cb1071f682e0784_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-02_0a7ca7a1e597932b7cb1071f682e0784_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1412

C:\Users\Admin\AppData\Local\Temp\demka.exe
"C:\Users\Admin\AppData\Local\Temp\demka.exe"
2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3848

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
38KB

MD5
0a7e1e1320ac1849ae35cd6f9c38cdd4

SHA1
5a902d740332536bb64570d8f7ad553ab6919140

SHA256
7330e3c120cf0fdc00af74858207a32701edceb6fbe7e05d4fa70b68b43dc028

SHA512
2fddbfcb0991b3a8f786df8c51ac3318e206246ed641f6d5f4f45d31af38f8a202d0849dd29ea314748162b65a890b9ac6df089cfddad23f5131aa390bddf900

Download Submit
memory/1412-0-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/1412-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/1412-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3848-25-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download