ebdddbbb2a2db91ce6e5b5e170ab8e1fd5e2a39ef1a827f96efdb80de9f7fd11

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
10/08/2024, 20:12

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General

Target

Settings/AMD/driverfilesKMPFD.cfg.bak
Size

133B
MD5

89155d0f824d7e89a4b22c7dd6ad08f1
SHA1

7cb7b1d82fcb7e5126445a38a5de60939d2bf790
SHA256

25b33c9f444b367751902d28c85348eeb8cb9b06e02fb7c2b10602fb59e998cc
SHA512

43a101b9e8ddcae22cb5384e5a0232c6fc7804d902ac6c856ceeca8feb646cad137929fbfe59b30558101148d05bdc033ec2251840fccf22782be09da271f318

Score

3^/10

discovery

Malware Config

Signatures

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 1 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	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\bak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\bak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\bak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\bak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\bak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.bak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.bak\ = "bak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\bak_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2832	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2832	AcroRd32.exe
2832	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2792	2412	cmd.exe	31
PID 2412 wrote to memory of 2792	2412	cmd.exe	31
PID 2412 wrote to memory of 2792	2412	cmd.exe	31
PID 2792 wrote to memory of 2832	2792	rundll32.exe	32
PID 2792 wrote to memory of 2832	2792	rundll32.exe	32
PID 2792 wrote to memory of 2832	2792	rundll32.exe	32
PID 2792 wrote to memory of 2832	2792	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Settings\AMD\driverfilesKMPFD.cfg.bak
1⤵
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Settings\AMD\driverfilesKMPFD.cfg.bak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2792
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Settings\AMD\driverfilesKMPFD.cfg.bak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
6e494a97ba0500b81dfc37d55506c181

SHA1
5d0a8dd8bb0e27b440e15eef8e858cb353e1a422

SHA256
3bdc7e3910956cf5ea9f9b5e862d17c5d040d5598824ee98c98ea365e103b24e

SHA512
f0745aebb34fd9eff9021c591b3bb54222f0d64fcafea1a74514a2f9f4ae4dcbede08398859906bcd50c49fa21e9df0694cbfa0f755ed49e4e9a16b1213f52a8

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