d880aba42c6dc89816450a143f746ddb56ff00faa9241e12af20e6e966c02f00

Resubmissions

02/08/2024, 15:24

240802-ss5g9azarq 1

02/08/2024, 15:20

240802-sq7vlazakn 4

02/08/2024, 15:19

240802-sp5nvatglh 1

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02/08/2024, 15:20

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General

Target

shaders/lang/en_US.lang
Size

56KB
MD5

dc62984fec1372e989ed91268f7914c7
SHA1

9f308febbc638c36411f51c0b1f11a64b984bee1
SHA256

eb93e59566de745353e16f009b4ab6c44b257d41ebf5eed96bdb97613bc38aea
SHA512

7eef35542ebfb9cb904fc35c15523fef9c116b4d5ec8a73011abddeb9a9bae90f795825724d8af6daafdba863876202ccf80feaeff2f52ce84e778862f78d981
SSDEEP

768:0IdEL5q5KbtLSuAAD6JOXXHNyBs19YlJJeTiw/GwIX3LQylWR9prdUPxr0doPJMS:7W11sbFJ2X4+QQj7pUPF66eK+JHKbL3

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-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\lang_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\lang_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\lang_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\lang_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\lang_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.lang	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.lang\ = "lang_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\lang_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2748	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2748	AcroRd32.exe
2748	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 1712	2972	cmd.exe	31
PID 2972 wrote to memory of 1712	2972	cmd.exe	31
PID 2972 wrote to memory of 1712	2972	cmd.exe	31
PID 1712 wrote to memory of 2748	1712	rundll32.exe	33
PID 1712 wrote to memory of 2748	1712	rundll32.exe	33
PID 1712 wrote to memory of 2748	1712	rundll32.exe	33
PID 1712 wrote to memory of 2748	1712	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\shaders\lang\en_US.lang
1⤵
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\shaders\lang\en_US.lang
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1712
- - 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\shaders\lang\en_US.lang"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2748

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
73e5fb9fa9069d54ed268989004c2291

SHA1
48daf9c75c92238fd193ce3f7ac6821161c67e54

SHA256
f5d57b85596b27a75ed2957d687179f77fc9b92bd00d7f002f7d83950a14cab9

SHA512
c1da1adc6c138402766b8008214544de87af1cf031094f06169f5c458c9aff431eb42d500ef0afdaa7cd5205209f3750bf00620ee29dad42f7ffe3da992792fc

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