f5e344e59abc0454877eb65d47f3a258b73f0905fd84cfa93bf7fccc3cf05c86

Analysis

max time kernel
92s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 20:36

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General

Target

f5e344e59abc0454877eb65d47f3a258b73f0905fd84cfa93bf7fccc3cf05c86.exe
Size

1004KB
MD5

96b1f19fdc5d2585f796e4689b6cc997
SHA1

20e81550dabbe3b418a4af6c7675546291459be6
SHA256

f5e344e59abc0454877eb65d47f3a258b73f0905fd84cfa93bf7fccc3cf05c86
SHA512

378b8778d42d4f6f4e314559a546e99762eaa05cf9a3db202812774e06b9db4fbd983232c07190816070ceb084cf7e9276a71352621dae8bad0025eaf6b7dcd0
SSDEEP

24576:y9Z+p24XLHx6GBxP/Rfb2Vj28xcFrQ2uRsIioY9ljY/o1LQV7qsQ:y9sHx6GBxP/Rfb2VZxp2uzY9ljvN

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	f5e344e59abc0454877eb65d47f3a258b73f0905fd84cfa93bf7fccc3cf05c86.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	f5e344e59abc0454877eb65d47f3a258b73f0905fd84cfa93bf7fccc3cf05c86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NOTEPAD.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings	f5e344e59abc0454877eb65d47f3a258b73f0905fd84cfa93bf7fccc3cf05c86.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
4848	NOTEPAD.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
660	Process not Found

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4612	f5e344e59abc0454877eb65d47f3a258b73f0905fd84cfa93bf7fccc3cf05c86.exe
4612	f5e344e59abc0454877eb65d47f3a258b73f0905fd84cfa93bf7fccc3cf05c86.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 4848	4612	f5e344e59abc0454877eb65d47f3a258b73f0905fd84cfa93bf7fccc3cf05c86.exe	84
PID 4612 wrote to memory of 4848	4612	f5e344e59abc0454877eb65d47f3a258b73f0905fd84cfa93bf7fccc3cf05c86.exe	84
PID 4612 wrote to memory of 4848	4612	f5e344e59abc0454877eb65d47f3a258b73f0905fd84cfa93bf7fccc3cf05c86.exe	84

C:\Users\Admin\AppData\Local\Temp\f5e344e59abc0454877eb65d47f3a258b73f0905fd84cfa93bf7fccc3cf05c86.exe
"C:\Users\Admin\AppData\Local\Temp\f5e344e59abc0454877eb65d47f3a258b73f0905fd84cfa93bf7fccc3cf05c86.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4612
- C:\Windows\SysWOW64\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\SYSM.txt
  2⤵
  - System Location Discovery: System Language Discovery
  - Opens file in notepad (likely ransom note)
  PID:4848

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\SYSM.txt

Filesize
1KB

MD5
e9bda698a648075a95e28c4570c55966

SHA1
0b95e4147aaa283b0e884915c638c24c6952afc2

SHA256
3d3ec3056989b78aa3a1123822e50cc7fc8905cdf4f2976ff5ff77e3d937dc31

SHA512
0a4ed5cb3fe20895e550f93ced37e567fd7bb643255726f3d88a08c6f6be2ec823d441feaed8a4cefaadfe563f9f69a30b767f9d579dd8f7d0d4477fa51d2a5b

Download Submit
memory/4612-3-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/4612-4-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/4612-2-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/4612-1-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/4612-0-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/4612-10-0x0000000003C50000-0x0000000003C51000-memory.dmp

Filesize
4KB

Download
memory/4612-12-0x0000000003C50000-0x0000000003C51000-memory.dmp

Filesize
4KB

Download
memory/4612-11-0x0000000003C50000-0x0000000003C51000-memory.dmp

Filesize
4KB

Download
memory/4612-5-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/4612-14-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/4612-17-0x0000000003C50000-0x0000000003C51000-memory.dmp

Filesize
4KB

Download
memory/4612-16-0x0000000003C50000-0x0000000003C51000-memory.dmp

Filesize
4KB

Download
memory/4612-15-0x0000000003C50000-0x0000000003C51000-memory.dmp

Filesize
4KB

Download