d0e459e7345a0ad0414b4a57cdc3884b1545442b493b8d0b77a8ef75161941e7

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
26-08-2024 04:28

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General

Target

Linear/lib/PIL/BdfFontFile.pyc
Size

5KB
MD5

150ed1965b59bf58193de7292ae6f428
SHA1

d474188946e09cef0e4ab005722064ea268a6dc5
SHA256

8fa3fb2d36787f1e76e5eea06fc724e263ae6e9bee1b9717c3e6df5bed8acd23
SHA512

80706757723f5919c75b0f9b2fd194496c7e87e9609424b50d014e7018c6e44842963089dbd7fd8a02cc997fd82f9e7a4bc83d6ba1906ddbfe880f6505807ec9
SSDEEP

96:Wk1ouVpj0v8Wr5FFv7UXhxvLT0wrPUwSUFmA/:bNho5FFvwXhxvnIwSUF/

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-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_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-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2792	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2792	AcroRd32.exe
2792	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 2808	2716	cmd.exe	31
PID 2716 wrote to memory of 2808	2716	cmd.exe	31
PID 2716 wrote to memory of 2808	2716	cmd.exe	31
PID 2808 wrote to memory of 2792	2808	rundll32.exe	32
PID 2808 wrote to memory of 2792	2808	rundll32.exe	32
PID 2808 wrote to memory of 2792	2808	rundll32.exe	32
PID 2808 wrote to memory of 2792	2808	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Linear\lib\PIL\BdfFontFile.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2716
- 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\BdfFontFile.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2808
- - 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\BdfFontFile.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2792

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
b0eb6ca289222da7fa10550fce5fb2f4

SHA1
353f0c3d30e277a73d681b37abf446efc8a5e853

SHA256
44e523de9b00f959169343c8b4b34bb2cda332058ed2434c6c932f12df8f4ee9

SHA512
60d373ae2ed7852ebfcba9bee4a6784459630a860a014c51a028f8f2b8a663e221e46e40a1f1d419176c7c62f2c2116d197f88360b153129e1fc8f55a46ac9da

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