3b3ae41a54d196a887e7baf5e61661b59dd412571ff4ce08da44e880182876be

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 02:34

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General

Target

2024-09-12_3c3161ab5e3c0c71051e6180c690ceda_cryptolocker.exe
Size

48KB
MD5

3c3161ab5e3c0c71051e6180c690ceda
SHA1

b01290f7cf4965ef74e58c3a82359393d37f7196
SHA256

3b3ae41a54d196a887e7baf5e61661b59dd412571ff4ce08da44e880182876be
SHA512

2aaa0fcfb86916ed3b7da836fe1e11d3107cc84b162937ce77a36db5ff26e0b900dda8834fca0892e68173e1bccef4bfa709dcc2111411f2b1678d9ea2c9538d
SSDEEP

384:e/4wODQkzonAYsju5N/surDQtOOtEvwDpjqIGROqS/WccJVJwi2B5oCCM8CLW2Vt:79inqyNR/QtOOtEvwDpjBKccJVODvy3M

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	2024-09-12_3c3161ab5e3c0c71051e6180c690ceda_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4576	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	2024-09-12_3c3161ab5e3c0c71051e6180c690ceda_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 4636 wrote to memory of 4576	4636	2024-09-12_3c3161ab5e3c0c71051e6180c690ceda_cryptolocker.exe	84
PID 4636 wrote to memory of 4576	4636	2024-09-12_3c3161ab5e3c0c71051e6180c690ceda_cryptolocker.exe	84
PID 4636 wrote to memory of 4576	4636	2024-09-12_3c3161ab5e3c0c71051e6180c690ceda_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-12_3c3161ab5e3c0c71051e6180c690ceda_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_3c3161ab5e3c0c71051e6180c690ceda_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4636
- 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:4576

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
48KB

MD5
deb1466431f90c1ffa5eb1b20d7d5794

SHA1
313d30eab391f3b3548b624f4d2ba345f75fb37f

SHA256
d5860c773c238adfebb87ce26c0e3bc57e98f7cb7e0fb66a3adea64b4ec2b83d

SHA512
327824d91ad943057f7cb9e3314e2a388b63abe30396623800fdb6308d7fcf9991add10d0e0a9c5f131203d9e1935893924b00a3f733efbf5806191738c2ad60

Download Submit
memory/4576-19-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/4576-20-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/4576-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4636-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4636-1-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/4636-2-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/4636-3-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/4636-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download