aaa7e7a9290eb9d8d1902a1f60f36b52475fcb8b8c3f1e4d38446b573881f4e1

Analysis

max time kernel
149s
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
04/10/2024, 07:27

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General

Target

2024-10-04_5df94391a1387da178fd75d804e08b62_cryptolocker.exe
Size

48KB
MD5

5df94391a1387da178fd75d804e08b62
SHA1

742adbbf04de6f136a4f19c3eddf4e21355f8612
SHA256

aaa7e7a9290eb9d8d1902a1f60f36b52475fcb8b8c3f1e4d38446b573881f4e1
SHA512

e36274105a8db6d8f7b8d8102b29fd48f6aa6873ebcea995db47374ce12892366efdf0aa2fbbd63d3ccea52354126503896256a72dbf09344df68c82028ccbcf
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPcS:P6QFElP6k+MRQMOtEvwDpjBQpVXy

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	2024-10-04_5df94391a1387da178fd75d804e08b62_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1520	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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-04_5df94391a1387da178fd75d804e08b62_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 1520	3048	2024-10-04_5df94391a1387da178fd75d804e08b62_cryptolocker.exe	82
PID 3048 wrote to memory of 1520	3048	2024-10-04_5df94391a1387da178fd75d804e08b62_cryptolocker.exe	82
PID 3048 wrote to memory of 1520	3048	2024-10-04_5df94391a1387da178fd75d804e08b62_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-04_5df94391a1387da178fd75d804e08b62_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-04_5df94391a1387da178fd75d804e08b62_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3048
- 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:1520

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
48KB

MD5
b57eb1c66941cf0abc162b07f83d30db

SHA1
a29a11bae9174957211a97efe73c6c7f0afeabbc

SHA256
02ad45cd5529d576ba1c49a96d0be38944208b700a43bd8c43a0f2af1ce19eab

SHA512
6b7e9536a67a97e95eabd144ee0c0f2f51152747bcb8de8584d68e6837cf72b71b22accbb226977214f56244e9be83936ec303901a4e8d36ca3dc75c88bf7fb6

Download Submit
memory/1520-19-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/1520-20-0x0000000000850000-0x0000000000856000-memory.dmp

Filesize
24KB

Download
memory/1520-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3048-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3048-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/3048-2-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/3048-3-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/3048-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download