640fd47fcdf8ee0adb38ebc8780314989a9680c2a619a4e1e85ab7727e767c5d

Analysis

max time kernel
141s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-10-2024 00:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-10-18_bbd361bd727315402cee8168770d00d4_cryptolocker.exe
Size

49KB
MD5

bbd361bd727315402cee8168770d00d4
SHA1

ee7678d68ed9dfb0651a18e1d598dbed0f29d2ef
SHA256

640fd47fcdf8ee0adb38ebc8780314989a9680c2a619a4e1e85ab7727e767c5d
SHA512

801a580e56da0b4727f5d075795305caadb10045bdce18da434efc4df4f415aded438d4249fe2a7a8bc8ebbc5802d497a3360d517d34996ebc1d2ab664889c31
SSDEEP

768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/DpkcAN:P6Q0ElP6G+gJQMOtEvwDpjB8WMlfW

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2024-10-18_bbd361bd727315402cee8168770d00d4_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4360	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	2024-10-18_bbd361bd727315402cee8168770d00d4_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 4360	1348	2024-10-18_bbd361bd727315402cee8168770d00d4_cryptolocker.exe	85
PID 1348 wrote to memory of 4360	1348	2024-10-18_bbd361bd727315402cee8168770d00d4_cryptolocker.exe	85
PID 1348 wrote to memory of 4360	1348	2024-10-18_bbd361bd727315402cee8168770d00d4_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-18_bbd361bd727315402cee8168770d00d4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_bbd361bd727315402cee8168770d00d4_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1348
- 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:4360

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
49KB

MD5
eef9d791f5e9d1999f4c59ded30df888

SHA1
3225d2a5f9d75c217e6ed6346646925464495829

SHA256
2ffef76c952d62e24ce011b27b51b6d633644a0902b008c6de18af5367dca957

SHA512
f02181b19868204499af3f9e2249fccf9fcbbb746b09362349605639d977ef091544e2fa6d9c6fafcd9b74fb8c7bc95f649d783754236675ac9142bbf9d84f18

Download Submit
memory/1348-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1348-1-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/1348-2-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/1348-3-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/1348-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4360-19-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/4360-25-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/4360-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download