d0e459e7345a0ad0414b4a57cdc3884b1545442b493b8d0b77a8ef75161941e7

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26/08/2024, 04:28

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General

Target

Linear/lib/PIL/GbrImagePlugin.pyc
Size

3KB
MD5

2a5dc370dedfde2bbea337b75ace7bf7
SHA1

53a66ec42edab3a6ee0fabb7028202e9a269e9de
SHA256

1b0d6c21774961b441a2ac2f31a53f287965772a56b8360dc878bbb8ed59da75
SHA512

2b8839973e7a5bb10a38f566ea2bba6e3a0d4761f7b1f2b614cd283faab9394b4ade6f7268526eed371b23eea118000f31e75825513714fad0afc01d060a7618

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-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_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-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\pyc_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2600	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2600	AcroRd32.exe
2600	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 2820	1760	cmd.exe	31
PID 1760 wrote to memory of 2820	1760	cmd.exe	31
PID 1760 wrote to memory of 2820	1760	cmd.exe	31
PID 2820 wrote to memory of 2600	2820	rundll32.exe	32
PID 2820 wrote to memory of 2600	2820	rundll32.exe	32
PID 2820 wrote to memory of 2600	2820	rundll32.exe	32
PID 2820 wrote to memory of 2600	2820	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Linear\lib\PIL\GbrImagePlugin.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1760
- 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\GbrImagePlugin.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2820
- - 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\GbrImagePlugin.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2600

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
7c1936bb8913899003bc326b227e4096

SHA1
76c969cf4f957e6aa03ad3e14c22242e7016fb8c

SHA256
b48886c8a767c484b0169a05e22c0bf68b8e23f2890d82952464b2a026f0e5f8

SHA512
0aaf38128d13549376dab4409cc36c5dde1f8530744bdde36c2ed0e5eefbaa28efc0dc1797f2fb15aab20f55e4a3f92cd7e5b721ef05fb489eeeb0db4e38957e

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