d0e459e7345a0ad0414b4a57cdc3884b1545442b493b8d0b77a8ef75161941e7

Analysis

max time kernel
102s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
26/08/2024, 04:28

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General

Target

Linear/lib/PIL/DdsImagePlugin.pyc
Size

21KB
MD5

b0a492702f5346fbbaeb3d2d7c356a27
SHA1

f688f70032c33922dad6363757bbb51f5d6ccc7d
SHA256

c6aed8adfd6a890aa4791bcf23cd8c3a7413faa60b89ee12c5df9da9b54b4884
SHA512

0bfa17b6eea4401b40efdf2297bcbc5f3491efdb2e9cfb76b2291a325c1cb4b1a2decea48b566d79b9ada65918d1853cdd0f77b573ea607464ecfd7e8918bb29
SSDEEP

384:emoJAY+yrOkVMm7TOxTXMFjmRZJmWzpXV9WrQGQR/ehWWWRfV:emoJAYCxGmLJ8rUe0

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-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\pyc_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1080	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1080	AcroRd32.exe
1080	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 380 wrote to memory of 2940	380	cmd.exe	31
PID 380 wrote to memory of 2940	380	cmd.exe	31
PID 380 wrote to memory of 2940	380	cmd.exe	31
PID 2940 wrote to memory of 1080	2940	rundll32.exe	32
PID 2940 wrote to memory of 1080	2940	rundll32.exe	32
PID 2940 wrote to memory of 1080	2940	rundll32.exe	32
PID 2940 wrote to memory of 1080	2940	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Linear\lib\PIL\DdsImagePlugin.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:380
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Linear\lib\PIL\DdsImagePlugin.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2940
- - 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\Linear\lib\PIL\DdsImagePlugin.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1080

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
2e89bdfa9825cebc7334f1abae846e24

SHA1
e775c0e9aa6432ae8ab9c3786ac1531481c53c8c

SHA256
1d3901c49f8e70de9883c3a943f7de970b056680a7b12fc3bfc938d8209c2cb5

SHA512
5b1868922300eb011b2dc278a2cfc064f469625361ef3bd407947c55224efccd2b7881233c1211ac08b07b40e5ce3af8de664dea152d275a141649122ed317f2

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