4bb35bd36deba2dccb9155ab886a600f3c4902520640facec5d50faa2fd4b534

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 03:31

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General

Target

2024-09-27_35657e39cd8c96a4c32b2c4d7d54e2b3_cryptolocker.exe
Size

41KB
MD5

35657e39cd8c96a4c32b2c4d7d54e2b3
SHA1

3a741a582fcb734c9823177e7491efa6374783cb
SHA256

4bb35bd36deba2dccb9155ab886a600f3c4902520640facec5d50faa2fd4b534
SHA512

6ab3cc10a64f85db0180d0b62d5aff5a35c2a5fa782d052bae41cb5ea80b1f0b37fd0b3087cbf665584cb315e51fe3c883880a7c9bffe985adf6688e62b68e4f
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnCRu:bA6YcA/X6G0W143Qb

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	2024-09-27_35657e39cd8c96a4c32b2c4d7d54e2b3_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1204	hasfj.exe

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

System Information Discovery
T1082

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_35657e39cd8c96a4c32b2c4d7d54e2b3_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 1204	3060	2024-09-27_35657e39cd8c96a4c32b2c4d7d54e2b3_cryptolocker.exe	85
PID 3060 wrote to memory of 1204	3060	2024-09-27_35657e39cd8c96a4c32b2c4d7d54e2b3_cryptolocker.exe	85
PID 3060 wrote to memory of 1204	3060	2024-09-27_35657e39cd8c96a4c32b2c4d7d54e2b3_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-27_35657e39cd8c96a4c32b2c4d7d54e2b3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_35657e39cd8c96a4c32b2c4d7d54e2b3_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3060
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1204

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

Replay Monitor

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Downloads

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

Filesize
41KB

MD5
d4ad06bcbd7ea89146e427490ecf557c

SHA1
d440b607d5d23a99eafe0d2f50560b77c3760538

SHA256
5c8468d0ab656447c2b5bee970c588ccd64bfb97a8c57a4720c20ec1390c81be

SHA512
0b46f934e74e81f22d6e51764b54bea65ff73ba531f5a0d13ace07941c7d502c11cb36e674adcf6825914b9701e2cf176627f43429c7c44b38570205b49f4a7a

Download Submit
memory/1204-23-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/3060-0-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/3060-1-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/3060-2-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download