7502db8d32a964e9818fe64cd4c85f08dbc3847c1cd8666e421ad2c496083003

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2024, 02:31

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General

Target

2024-10-18_4c26bcb7d44cb55c76403d00de47a348_cryptolocker.exe
Size

34KB
MD5

4c26bcb7d44cb55c76403d00de47a348
SHA1

61213cd1d0b67b9003fd3f72482d4f6a1f456baa
SHA256

7502db8d32a964e9818fe64cd4c85f08dbc3847c1cd8666e421ad2c496083003
SHA512

73d634dcd5f4860ce3217d5255c29533598bfb8b60e724733a766689812cfa200caba4837ebfd77c1a39756d49309e0eb5a7d0a1d0dda53ac5398df5e73c37d5
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754X:bxNrC7kYo1Fxf3s052

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2024-10-18_4c26bcb7d44cb55c76403d00de47a348_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4760	pissa.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	2024-10-18_4c26bcb7d44cb55c76403d00de47a348_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pissa.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4080 wrote to memory of 4760	4080	2024-10-18_4c26bcb7d44cb55c76403d00de47a348_cryptolocker.exe	86
PID 4080 wrote to memory of 4760	4080	2024-10-18_4c26bcb7d44cb55c76403d00de47a348_cryptolocker.exe	86
PID 4080 wrote to memory of 4760	4080	2024-10-18_4c26bcb7d44cb55c76403d00de47a348_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-18_4c26bcb7d44cb55c76403d00de47a348_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_4c26bcb7d44cb55c76403d00de47a348_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4080
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4760

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\pissa.exe

Filesize
35KB

MD5
270ea3418e9bcf79de2bd1a801889291

SHA1
ee473125ca45b0b7c8926cb0c4a5f4ca8539d376

SHA256
5a3151a0e6a7144ba3bc422bd53cbf7dbbbaae4b3518a708ffe991043c618d5f

SHA512
dc3d3f49d595cb6b9ae9f30a6f1d4eec95feb3beb50b1ed6f369caccfd7c488053b9012bff15ce139712be44fee2d8c95f12b12a59c89d7d6f47ee3b31fd560e

Download Submit
memory/4080-0-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/4080-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/4080-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/4760-23-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/4760-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download