48e6e440a8ac2d6646b4c18e48faa326ffef1157b519eea542921c103d1878db

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 09:27

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General

Target

2024-10-02_09a52a4715f4e16e6681b5ffac061daf_cryptolocker.exe
Size

51KB
MD5

09a52a4715f4e16e6681b5ffac061daf
SHA1

84cfc5744ce4bac3813d3c92515c492242bd5dd1
SHA256

48e6e440a8ac2d6646b4c18e48faa326ffef1157b519eea542921c103d1878db
SHA512

7f70bb73eee181230eb09f1e97dedcb19085fefe90fed84242dc5b78e83682bae6b7e4bb795cd149de780b47bbd3bab7b8778c2c672e02166e2a106ef18e1d24
SSDEEP

1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb619:BbdDmjr+OtEvwDpjMb

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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	2024-10-02_09a52a4715f4e16e6681b5ffac061daf_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
116	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	2024-10-02_09a52a4715f4e16e6681b5ffac061daf_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 5116 wrote to memory of 116	5116	2024-10-02_09a52a4715f4e16e6681b5ffac061daf_cryptolocker.exe	82
PID 5116 wrote to memory of 116	5116	2024-10-02_09a52a4715f4e16e6681b5ffac061daf_cryptolocker.exe	82
PID 5116 wrote to memory of 116	5116	2024-10-02_09a52a4715f4e16e6681b5ffac061daf_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-02_09a52a4715f4e16e6681b5ffac061daf_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-02_09a52a4715f4e16e6681b5ffac061daf_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5116
- 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:116

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
51KB

MD5
8bd566e5c60d1767fa3dc32750290a17

SHA1
5a64b08592bc9090e0dea2341309f82847a73893

SHA256
615a00e3a4c0707853a73f650137307551e6bb0a0ef02fa7cb2eddf3c9dda05a

SHA512
7b3ecd1f5d2c6cf750431b840987132d0367b7622f582bd5e08ec4ecfb1c0452864b1aeb597bf23c66055f7de73bd417b645893d547f6e1128afd98257fe30bd

Download Submit
memory/116-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/116-26-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/116-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/5116-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/5116-1-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/5116-2-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/5116-3-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/5116-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download