06ae8aab685079b369d8307629650972f9b1943e66a69b785dc5bab0e88ecd3a

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-09-2024 09:44

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General

Target

2024-09-02_e1be430b1ef921b63d1356146668a4db_cryptolocker.exe
Size

23KB
MD5

e1be430b1ef921b63d1356146668a4db
SHA1

d72d8f35601347101e1483af80b73e78280d7d77
SHA256

06ae8aab685079b369d8307629650972f9b1943e66a69b785dc5bab0e88ecd3a
SHA512

abc88601c7d71c0a35a3eaf046cb74b8339c86c4e27eda4b3502095f8c36e45963377db5ed80db40b4aa71f39b54dec0648314c94fa53a0ff38a30c6784b78a2
SSDEEP

384:CBOkkLPcM4JIM39ZR8Z87XHjeKtEEue+63BYp2tOOtEvwDpjqIGRh:CB19M4JIhZMHSKtweHBrtOOtEvwDpjG

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	2024-09-02_e1be430b1ef921b63d1356146668a4db_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4484	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	2024-09-02_e1be430b1ef921b63d1356146668a4db_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 4456 wrote to memory of 4484	4456	2024-09-02_e1be430b1ef921b63d1356146668a4db_cryptolocker.exe	84
PID 4456 wrote to memory of 4484	4456	2024-09-02_e1be430b1ef921b63d1356146668a4db_cryptolocker.exe	84
PID 4456 wrote to memory of 4484	4456	2024-09-02_e1be430b1ef921b63d1356146668a4db_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-02_e1be430b1ef921b63d1356146668a4db_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-02_e1be430b1ef921b63d1356146668a4db_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4456
- 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:4484

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\asih.exe

Filesize
23KB

MD5
9d5ab3a9f718ed5fd428ce17440f55e4

SHA1
584850f1a8fa232b006978c6ebab869c6bafd8fd

SHA256
cd91a681cc776f136b737e81381fa992740a54b05eba6f95a00d17a4045e483f

SHA512
0d44cea105dc5f99589ea67deb4110154a0965f3e84cb0c2df737641af4443719e19c88d70bbf349674f6005622dd47db49e7fab388e928e058045070c0a9391

Download Submit
memory/4456-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/4456-1-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/4456-2-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/4456-3-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/4456-18-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/4484-20-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/4484-21-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/4484-27-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download