3f12f963d148993f0d42a8089fcf2969bf92dabf32ce037b8ae95da3a74aff9a

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
18-09-2024 23:24

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General

Target

2024-09-18_feb85bc4af7669dbd7f4603da79339f4_cryptolocker.exe
Size

42KB
MD5

feb85bc4af7669dbd7f4603da79339f4
SHA1

fa292af8bba6231603c4a71d5d087ebce78a4dce
SHA256

3f12f963d148993f0d42a8089fcf2969bf92dabf32ce037b8ae95da3a74aff9a
SHA512

b36924f1a4171e4b5de2a71245a6f0d79a4eee934152d73ad631d983b2f990f253f7ecdf7ab220ea4542818c5776a88a5d30e3c33a46efabaff32f1e824b33b7
SSDEEP

384:e/4wODQkzonAYsju5N/surDQtOOtEvwDpjqIGROqS/WdBLGqmldhJuYWer:79inqyNR/QtOOtEvwDpjBKdtGrP+Y

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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	2024-09-18_feb85bc4af7669dbd7f4603da79339f4_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3604	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	2024-09-18_feb85bc4af7669dbd7f4603da79339f4_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 1084 wrote to memory of 3604	1084	2024-09-18_feb85bc4af7669dbd7f4603da79339f4_cryptolocker.exe	82
PID 1084 wrote to memory of 3604	1084	2024-09-18_feb85bc4af7669dbd7f4603da79339f4_cryptolocker.exe	82
PID 1084 wrote to memory of 3604	1084	2024-09-18_feb85bc4af7669dbd7f4603da79339f4_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-18_feb85bc4af7669dbd7f4603da79339f4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-18_feb85bc4af7669dbd7f4603da79339f4_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1084
- 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:3604

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
42KB

MD5
7e0a77e40a203cc981ba20c6d66b636e

SHA1
b5ff6edd0a3b095bca3524568d83afcbc730954a

SHA256
710e6c254c186f83bc1c0de578be9faf4905d6b021474091e82156d71b8c2929

SHA512
f7211553dca090c6a41d2eef27304b97897b68079385484d311382ef8d5546305949feb7b72c43890362430da7422359ac4d75b71fe30cb1b578f75372573575

Download Submit
memory/1084-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1084-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1084-2-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1084-3-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/1084-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3604-19-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/3604-20-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/3604-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download