c49c2b2c1f9d958a6b181abe4f33a7a1549cb1cd4d3e5197bb48fe5b75c5a621

Analysis

max time kernel
148s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 02:28

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General

Target

2024-10-03_4548624de2ddd6be4198515e7572e99c_cryptolocker.exe
Size

56KB
MD5

4548624de2ddd6be4198515e7572e99c
SHA1

f6d51d20617c8104833a5e59ab5e5c21f50dc3e6
SHA256

c49c2b2c1f9d958a6b181abe4f33a7a1549cb1cd4d3e5197bb48fe5b75c5a621
SHA512

93730412f96bd61f647c77b965f4aec9870535c483fb6052bd52d62280d504e2243e83f766140415fcacb6546879a40f9e75bacd6f9f4dd3d83dd3d766ca3adb
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTIA:X6QFElP6n+gJBMOtEvwDpjBtExmlz

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	2024-10-03_4548624de2ddd6be4198515e7572e99c_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2924	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	2024-10-03_4548624de2ddd6be4198515e7572e99c_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 1564 wrote to memory of 2924	1564	2024-10-03_4548624de2ddd6be4198515e7572e99c_cryptolocker.exe	82
PID 1564 wrote to memory of 2924	1564	2024-10-03_4548624de2ddd6be4198515e7572e99c_cryptolocker.exe	82
PID 1564 wrote to memory of 2924	1564	2024-10-03_4548624de2ddd6be4198515e7572e99c_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-03_4548624de2ddd6be4198515e7572e99c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-03_4548624de2ddd6be4198515e7572e99c_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1564
- 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:2924

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
56KB

MD5
5a5d702628fff9ab53471941c829f812

SHA1
eecdb9e186533a583a877fac5f768b780a34cca0

SHA256
7aab9681d713d57c78ecb5a67407b08b39acf95d18df1215bbd1a52dd1f14c52

SHA512
7f5aecb53b09fdbd78e5a5177eec778e0afe869d7e8b9330cf7590b5e9b419689fe7f13c8af85ffefd9e88e312106fd76f26eea0539a5082449dd0ba997ec7a2

Download Submit
memory/1564-0-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/1564-1-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/1564-2-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/2924-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2924-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download