e5840dbafbaffa0084a949d7a148df6e12dfdbef7ed84ad095ccd5e0a354e9ac

Analysis

max time kernel
149s
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
12-09-2024 06:40

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General

Target

2024-09-12_63a7cda21becae6c5702624a9eec57ed_cryptolocker.exe
Size

77KB
MD5

63a7cda21becae6c5702624a9eec57ed
SHA1

77015f9628ecc993c978b70192f043048afb353f
SHA256

e5840dbafbaffa0084a949d7a148df6e12dfdbef7ed84ad095ccd5e0a354e9ac
SHA512

b701550b47dd9a1b7e47a326127e01eec0b42d1b7692fc894bc0dc3229e8b2e2d7534930ad88b799549880f23b256ac42ec9d1d5ec056526976763263a2aac9c
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHs7:X6a+SOtEvwDpjBZYvQd20

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	2024-09-12_63a7cda21becae6c5702624a9eec57ed_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2628	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	2024-09-12_63a7cda21becae6c5702624a9eec57ed_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 5020 wrote to memory of 2628	5020	2024-09-12_63a7cda21becae6c5702624a9eec57ed_cryptolocker.exe	86
PID 5020 wrote to memory of 2628	5020	2024-09-12_63a7cda21becae6c5702624a9eec57ed_cryptolocker.exe	86
PID 5020 wrote to memory of 2628	5020	2024-09-12_63a7cda21becae6c5702624a9eec57ed_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-09-12_63a7cda21becae6c5702624a9eec57ed_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_63a7cda21becae6c5702624a9eec57ed_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5020
- 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:2628

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
77KB

MD5
017fbfdb6a9502ae9e5e4dd8eb26c699

SHA1
d9e0b43bceba23c825ff713ad34ee5edb1419e31

SHA256
c689f0c25e9ca2ace93e1c98b05640f5d6061da8ad84b7dfe9b9048b92fc5e6d

SHA512
e44e4ada08f4c9e39fd861480a138e86e5dd196b7af6ad47d67b8b0d891437397ffc5c7ca68172969170de95376877df8e8ac2f709bf778282767a3dfc4f6b45

Download Submit
memory/2628-17-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/2628-23-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/5020-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/5020-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/5020-2-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download