3c2b37c89f1c121069122cecacd2a11283f5bf4e778ed88855269af8c8abd5f0

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2024 10:24

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General

Target

2024-09-05_1ac3377c03a2ce67d0d95cce60a09282_cryptolocker.exe
Size

72KB
MD5

1ac3377c03a2ce67d0d95cce60a09282
SHA1

0beca097d3bf1d244fc0b43bc93d4e38665e5ca7
SHA256

3c2b37c89f1c121069122cecacd2a11283f5bf4e778ed88855269af8c8abd5f0
SHA512

c5e7d7b6498fb131ed6129ae41ea29bb561e9ac96917e2545518ce5cc6e352cf2f600070e2cfc1679121e3e5730ada940aeb88f134e93821a5551328026c9043
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZOb:DW60sllyWOtEvwDpjwF850

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	2024-09-05_1ac3377c03a2ce67d0d95cce60a09282_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3628	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	2024-09-05_1ac3377c03a2ce67d0d95cce60a09282_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 4240 wrote to memory of 3628	4240	2024-09-05_1ac3377c03a2ce67d0d95cce60a09282_cryptolocker.exe	85
PID 4240 wrote to memory of 3628	4240	2024-09-05_1ac3377c03a2ce67d0d95cce60a09282_cryptolocker.exe	85
PID 4240 wrote to memory of 3628	4240	2024-09-05_1ac3377c03a2ce67d0d95cce60a09282_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-05_1ac3377c03a2ce67d0d95cce60a09282_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-05_1ac3377c03a2ce67d0d95cce60a09282_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4240
- 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:3628

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
72KB

MD5
4a76867c69b220bf1124a99afbca163f

SHA1
ad95af4e4e7cd5fce793ba953036a96a07371cdb

SHA256
9b44558091ab7c62814edffdb2cd848f9928c5f6a3d531b4b55c89685576f70c

SHA512
c1fc073955f78b8030f9d9ec7e6fbe7b44372e23908c5e96b8ee58fb79d9970d75664b4aa40a12b12664d0e6ac81871102db7fcec89f8eaad2d771c3ee928d46

Download Submit
memory/3628-25-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/3628-19-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3628-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4240-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4240-1-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/4240-2-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/4240-3-0x0000000002220000-0x0000000002226000-memory.dmp

Filesize
24KB

Download
memory/4240-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download