4bfffe5b6c5fdec1dc914af9f29365f280c1be873ea7ca8cca769f113a48a576

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 21:42

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General

Target

2024-10-09_48095174040b844efcfee15aafcbb9e4_cryptolocker.exe
Size

58KB
MD5

48095174040b844efcfee15aafcbb9e4
SHA1

975358c3c914bdad3ace73a7de185a4c32cbdc0d
SHA256

4bfffe5b6c5fdec1dc914af9f29365f280c1be873ea7ca8cca769f113a48a576
SHA512

c9d2fc8aa46c9ffe62deb4daa45d789ed27cf57dbf3cc6c88cd4d7c8b601765e4b5b2be6872e4431fa4c3021d49594ff3fbcd9f3ccbfe64ce8313838eea863ca
SSDEEP

768:B9inqyNR/QtOOtEvwDpjBK/iVTab3GRuv3VylcbL7uxEUS3:B9mqyNhQMOtEvwDpjBPY7xv3gy7ux1S3

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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	2024-10-09_48095174040b844efcfee15aafcbb9e4_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
5076	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	2024-10-09_48095174040b844efcfee15aafcbb9e4_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 548 wrote to memory of 5076	548	2024-10-09_48095174040b844efcfee15aafcbb9e4_cryptolocker.exe	86
PID 548 wrote to memory of 5076	548	2024-10-09_48095174040b844efcfee15aafcbb9e4_cryptolocker.exe	86
PID 548 wrote to memory of 5076	548	2024-10-09_48095174040b844efcfee15aafcbb9e4_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-09_48095174040b844efcfee15aafcbb9e4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-09_48095174040b844efcfee15aafcbb9e4_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:548
- 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:5076

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
58KB

MD5
8cf33a7a0afe753b68153c7ff79d6b1f

SHA1
f749fa6b3c9b12e5ed63addf2c71e4eb8e4b273f

SHA256
0972af2502c34ad9f63a5ec0b7cf5d07ca53422ef3ef507167fc88f7d0585ff7

SHA512
51d6dc0bfea1b1219a3a7dbdb6b54b64990c0ba1acfa1a8dd512553358cc6e8aa3a97c9a558f68506f7a66b444f36ede399630dcb4aea51d92754e50c2f7eae5

Download Submit
memory/548-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/548-1-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/548-2-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/548-3-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/548-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/5076-19-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/5076-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/5076-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download