87e875dbcb220c06eeef00fba2f38304cb3028641df26d1799c6b8534ec1ce1e

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
26/08/2024, 01:18

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General

Target

ChessBotX Trial/Books/Basic.book
Size

103KB
MD5

a1c8e87c5852d13d050d4dbe08b43a94
SHA1

c24d3f51aa8e96f310e953cf807f2dd5a6565bce
SHA256

6097925ba0dc7280303a1bbad83f31912e6084f2badba859632c6ed2f5ebfa8b
SHA512

a6ca0949e6fbfb2964c6d9998eab2cd7c34505acb5e784b2e087fab8de9a96563cbc7d13fb076f8701bdd1724bab1969df9d6d426b8262e3457c3379d65209d0
SSDEEP

1536:iFVNWzXUVzoYxpOl5lNNfoHQ5VI6VVV2XUlZX/f5IKZVu2FPffscElnjgUYjQNr7:cWzXUVzoYxpOl5lNNfoHQ5VI6VVV2XJ

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2864	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2864	AcroRd32.exe
2864	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2552	2120	cmd.exe	31
PID 2120 wrote to memory of 2552	2120	cmd.exe	31
PID 2120 wrote to memory of 2552	2120	cmd.exe	31
PID 2552 wrote to memory of 2864	2552	rundll32.exe	33
PID 2552 wrote to memory of 2864	2552	rundll32.exe	33
PID 2552 wrote to memory of 2864	2552	rundll32.exe	33
PID 2552 wrote to memory of 2864	2552	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\ChessBotX Trial\Books\Basic.book"
1⤵
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ChessBotX Trial\Books\Basic.book
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2552
- - 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\ChessBotX Trial\Books\Basic.book"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2864

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
f938786c539b9f585eb6fcb0437280dc

SHA1
0d5eaa1fff475ee06944c216ecc2779230cfef91

SHA256
22a5c5d33445d12c7d5f0a8d92961ea54b2649c6787a2ebbc1ef505b8b723574

SHA512
b6f8f0ca2eadbeeeb62a7ade369c352d960af32863f3bc4bb1031a2230ea4f364b29188fb5de9579f571e28f5f3b187002411ea9b92a2c55fc40a7046eb16204

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