fa78beed604ac4d706ceef6aa4134af0ed9274c617c0895e0957a260480cd438

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/08/2024, 07:25

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General

Target

2024-08-06_e1782500288711560b2ce18adbd61323_cryptolocker.exe
Size

48KB
MD5

e1782500288711560b2ce18adbd61323
SHA1

5a010afa0a9e945cbd440422fe9a517045e7a57c
SHA256

fa78beed604ac4d706ceef6aa4134af0ed9274c617c0895e0957a260480cd438
SHA512

fd2dde5e132f98ca1f02123bc9eadd54581df501ba9f208ddafcc34fb4ba0abe6b2a400eadb5bb96ff91a909d399e3a4f0121293a796d099ab2873de6f0b313d
SSDEEP

768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/Dpkc/:P6Q0ElP6G+gJQMOtEvwDpjB8WMlf/

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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	2024-08-06_e1782500288711560b2ce18adbd61323_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3560	asih.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	2024-08-06_e1782500288711560b2ce18adbd61323_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3368 wrote to memory of 3560	3368	2024-08-06_e1782500288711560b2ce18adbd61323_cryptolocker.exe	85
PID 3368 wrote to memory of 3560	3368	2024-08-06_e1782500288711560b2ce18adbd61323_cryptolocker.exe	85
PID 3368 wrote to memory of 3560	3368	2024-08-06_e1782500288711560b2ce18adbd61323_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-08-06_e1782500288711560b2ce18adbd61323_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-06_e1782500288711560b2ce18adbd61323_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3368
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3560

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\asih.exe

Filesize
49KB

MD5
5fd981c155e25f3f393cbcf3ba81e0d1

SHA1
74c2d3ac336c5263b8222a8ceaf3122552155870

SHA256
2138b7905b44fc79996fd62c34faa12e56c11f65e23e04285ca8a2bce31626df

SHA512
e475cc99b05aee082b756b3eda41247160cb527e26b0df28e1e87ef2f7f537af59c73acf23e280d4fb14d10996bdd43b9a90ce9c4f4f96538d53c41502cc1b9f

Download Submit
memory/3368-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3368-1-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3368-2-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3368-3-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download
memory/3368-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3560-19-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/3560-25-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/3560-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download