401adb7e5fce9d4c494fbf957d61f4e672e7efa9e72b637de3027f2aca536361

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
23-08-2024 09:23

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General

Target

2024-08-23_0adfc98b62846b4c457cfc64a5087074_cryptolocker.exe
Size

38KB
MD5

0adfc98b62846b4c457cfc64a5087074
SHA1

002b6d95f6964db4f49799782eee19422ebaf26c
SHA256

401adb7e5fce9d4c494fbf957d61f4e672e7efa9e72b637de3027f2aca536361
SHA512

8d18ea551e88694b28031e5371747313798e7b5710894d3604fdd1208e2764853bfb9b56c43c6525c9c592008f8392f4b4920a43def7f073ddf7d02bc943bc86
SSDEEP

768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITD:qDdFJy3QMOtEvwDpjjWMl7TD

Score

7^/10

discovery upx

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	2024-08-23_0adfc98b62846b4c457cfc64a5087074_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3588	asih.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2492-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x0009000000023431-13.dat	upx
behavioral2/memory/2492-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3588-26-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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	2024-08-23_0adfc98b62846b4c457cfc64a5087074_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 2492 wrote to memory of 3588	2492	2024-08-23_0adfc98b62846b4c457cfc64a5087074_cryptolocker.exe	85
PID 2492 wrote to memory of 3588	2492	2024-08-23_0adfc98b62846b4c457cfc64a5087074_cryptolocker.exe	85
PID 2492 wrote to memory of 3588	2492	2024-08-23_0adfc98b62846b4c457cfc64a5087074_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-08-23_0adfc98b62846b4c457cfc64a5087074_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-23_0adfc98b62846b4c457cfc64a5087074_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2492
- 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:3588

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
39KB

MD5
954a1075b6d271df01fcc8d01c1dfc7d

SHA1
3da040b0c0f7f9ad76abf7f3dda64b4fd053a2f1

SHA256
afdf0f5d94ad9647c0abea7f2935130ae4dbca33171c56530ee91e4edcad11e0

SHA512
3a9302703a63caa7f861f8b3589cbc5f680bfbfe37232f7030262a6e04fb0eb5eb37b2216a119b981f6072c82dcff0525c997a3b9bc3e13ab7cde7b0a994769c

Download Submit
memory/2492-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2492-2-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/2492-1-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/2492-3-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/2492-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3588-25-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/3588-19-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/3588-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download