2c8999903e7859982d81a9f2ebae28179628a6ae1e5833feacabadfe3747893e

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/08/2024, 07:47

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General

Target

2024-08-29_12ea6a4177c3f26fc0475f30d2e88a71_cryptolocker.exe
Size

42KB
MD5

12ea6a4177c3f26fc0475f30d2e88a71
SHA1

b4fec9c66c66b19edeaf1619f9dd2ceb40ee3f46
SHA256

2c8999903e7859982d81a9f2ebae28179628a6ae1e5833feacabadfe3747893e
SHA512

b8d26888ad97366e1d8ef5ab710d743da47d7b76761c28fb26021eea0f21f1517fa36d4d5342f5fe5166bf16a252c2c7a8997942f6536555ed3ade090fbc0490
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnCJ:bA6YcA/X6G0W143QC

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	2024-08-29_12ea6a4177c3f26fc0475f30d2e88a71_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4716	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	2024-08-29_12ea6a4177c3f26fc0475f30d2e88a71_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 4772 wrote to memory of 4716	4772	2024-08-29_12ea6a4177c3f26fc0475f30d2e88a71_cryptolocker.exe	86
PID 4772 wrote to memory of 4716	4772	2024-08-29_12ea6a4177c3f26fc0475f30d2e88a71_cryptolocker.exe	86
PID 4772 wrote to memory of 4716	4772	2024-08-29_12ea6a4177c3f26fc0475f30d2e88a71_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-08-29_12ea6a4177c3f26fc0475f30d2e88a71_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-29_12ea6a4177c3f26fc0475f30d2e88a71_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4772
- 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:4716

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\hasfj.exe

Filesize
42KB

MD5
e1d0a5ed8217e244003904fdc49ddfc1

SHA1
78aaf5fdfe03fd3a00b4ce88d041c1148fab073b

SHA256
7533b787d973fe18096c8164484c03a11287cb9d00f8aacbeafaee19ad6652b1

SHA512
90fc3f076c615bca9c36dd239bdb22fd4e5ac8e5e0cf4797b3cfbe7d00184e91d2461fb11b601ad8552ca8802724dae87762923ea6f8aefc7ffef16135bd67f5

Download Submit
memory/4716-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/4716-23-0x00000000020A0000-0x00000000020A6000-memory.dmp

Filesize
24KB

Download
memory/4772-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/4772-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/4772-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download