d4e24414cff1072feaaf281dec1aaa0a1b46c7492b71907aa14d651965841f7d

Analysis

max time kernel
148s
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
06/09/2024, 02:38

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General

Target

2024-09-06_751d86aa1b2eb170d279c2bd431cf2ce_cryptolocker.exe
Size

28KB
MD5

751d86aa1b2eb170d279c2bd431cf2ce
SHA1

8470e8d095bcd19ccd90e3f927774722f93a80f4
SHA256

d4e24414cff1072feaaf281dec1aaa0a1b46c7492b71907aa14d651965841f7d
SHA512

75647707a4f0e67deb36ed94939cd4447110b349eac05404b46bd1df15c71d0bc1bed8b04e52a56ee8cb9235cb47d4bc168a0355f4fcb4c011e8e22f64aa2939
SSDEEP

768:jOb2gOo0mw18ae8MrQRN7DctOOtEvwDpjr:jKUog898rYMOtEvwDpjr

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	2024-09-06_751d86aa1b2eb170d279c2bd431cf2ce_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1320	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	2024-09-06_751d86aa1b2eb170d279c2bd431cf2ce_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 4272 wrote to memory of 1320	4272	2024-09-06_751d86aa1b2eb170d279c2bd431cf2ce_cryptolocker.exe	85
PID 4272 wrote to memory of 1320	4272	2024-09-06_751d86aa1b2eb170d279c2bd431cf2ce_cryptolocker.exe	85
PID 4272 wrote to memory of 1320	4272	2024-09-06_751d86aa1b2eb170d279c2bd431cf2ce_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-06_751d86aa1b2eb170d279c2bd431cf2ce_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-06_751d86aa1b2eb170d279c2bd431cf2ce_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4272
- 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:1320

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

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Downloads

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

Filesize
28KB

MD5
af946333109263a788e9dc1a4c8ff614

SHA1
9a494f596f7e5d8edabe81219986074a5271cb20

SHA256
0223b16cdf360b7f0d321fa732dd40e3445912cbeef7b4b4c48cca8b1b024d7c

SHA512
9a25fc8bc9a7870945ace1334e49c1fc98f17ca520e8360d537ac74a014fa8499bb00d431abde30437dd793ac0bd4e821b051bf0c4fc046d6660600d7a83fbbc

Download Submit
memory/1320-21-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/1320-20-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/1320-27-0x0000000000500000-0x0000000000514000-memory.dmp

Filesize
80KB

Download
memory/4272-0-0x0000000000500000-0x0000000000514000-memory.dmp

Filesize
80KB

Download
memory/4272-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4272-2-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4272-3-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/4272-18-0x0000000000500000-0x0000000000514000-memory.dmp

Filesize
80KB

Download