f0985372bc9454f12dbf4d314c0b85c7a03ad2d09d65627ccb8c855b317316ba

Analysis

max time kernel
148s
max time network
150s
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, 03:30

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General

Target

2024-10-09_10523f0a3ed0110e1cacb611cca6b634_cryptolocker.exe
Size

34KB
MD5

10523f0a3ed0110e1cacb611cca6b634
SHA1

e53b91a5c9ff282fe207e688de5aa6224d4042ca
SHA256

f0985372bc9454f12dbf4d314c0b85c7a03ad2d09d65627ccb8c855b317316ba
SHA512

64e4804f53945ac6c24adb02a1681b86fbb58a062e394e3527b0621d54a18dd719e2fc285dfeee7f1ae938ce4a4b2fe15a89063e34cdef9bb01082d3b0718ca8
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPF:YGzl5wjRQBBOsP1QMOtEvwDpjgarA

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2024-10-09_10523f0a3ed0110e1cacb611cca6b634_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3400	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	2024-10-09_10523f0a3ed0110e1cacb611cca6b634_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3916 wrote to memory of 3400	3916	2024-10-09_10523f0a3ed0110e1cacb611cca6b634_cryptolocker.exe	85
PID 3916 wrote to memory of 3400	3916	2024-10-09_10523f0a3ed0110e1cacb611cca6b634_cryptolocker.exe	85
PID 3916 wrote to memory of 3400	3916	2024-10-09_10523f0a3ed0110e1cacb611cca6b634_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-09_10523f0a3ed0110e1cacb611cca6b634_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-09_10523f0a3ed0110e1cacb611cca6b634_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3916
- 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:3400

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
35KB

MD5
ce7ac4b3cc032eb9d4cdbc5d11dc085a

SHA1
bdad33b90a8e6646f37a91539be072f8263bb517

SHA256
bf7caecc9c6ca02c8005e700b2db410ec20a2f268026f2f2b521dd03703533a1

SHA512
7ec223f72177b267df620234e534eaa27a43960ddc450cc4a2347fd2fa6b5ae10ffec27c98a854c32c380845a6f2464c2c343deefbdc7c598eafc299f1e7425b

Download Submit
memory/3400-19-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/3400-20-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/3400-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3916-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3916-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3916-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3916-3-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/3916-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download