611133107c052357f9dfd7b0916a161e0510df5914fb1cf18aee3e612cddd46b

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
19-09-2024 15:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-09-19_058486a28e232c4de288f6e078c9f18b_cryptolocker.exe
Size

39KB
MD5

058486a28e232c4de288f6e078c9f18b
SHA1

bba5c985ad563f714d4cbd9c4105a8262a54f716
SHA256

611133107c052357f9dfd7b0916a161e0510df5914fb1cf18aee3e612cddd46b
SHA512

de0599ba1eb5734f477dbfc9567cb44e17aaca16b8cdd1e80a78ff1c07ec164b1e9d6058186e7c01965e2efb3c3fc656506a0062b2e057cc73b9486151726d07
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6j4AYsqSh+DETke3:YGzl5wjRQBBOsP1QMOtEvwDpjl39+D+J

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	2024-09-19_058486a28e232c4de288f6e078c9f18b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4976	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	2024-09-19_058486a28e232c4de288f6e078c9f18b_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 4976	2948	2024-09-19_058486a28e232c4de288f6e078c9f18b_cryptolocker.exe	82
PID 2948 wrote to memory of 4976	2948	2024-09-19_058486a28e232c4de288f6e078c9f18b_cryptolocker.exe	82
PID 2948 wrote to memory of 4976	2948	2024-09-19_058486a28e232c4de288f6e078c9f18b_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_058486a28e232c4de288f6e078c9f18b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_058486a28e232c4de288f6e078c9f18b_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2948
- 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:4976

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
39KB

MD5
68e78da8c09f0a510f83b9746d94a2d2

SHA1
814cc55cec74744b20469bb4da978857961aa944

SHA256
0270bdec933e1a8ec2aec46a2301247241f9ff52188eebfd1987e8e0215b230a

SHA512
8c028a39c3529bf710c0c94e4280e593e3ad9899614105499161de7103749d2fa89383019af37625089a1e9147dcea1ba881bbb425da3b5b58e1ab45a491a179

Download Submit
memory/2948-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2948-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2948-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2948-3-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/2948-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4976-19-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/4976-20-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/4976-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download