9ed5767db68fb669b3f18a0565cae471ee3800b94a187c4512e5a6691797c511

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25-11-2024 22:14

25-11-2024 20:57

28-09-2024 18:21

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-09-2024 18:21

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General

Target

browserres/cef.pak
Size

1.9MB
MD5

d1c40362fe2f365dcf4363713727aba9
SHA1

e68372e078bcfb8baba6909ef39e05e6bcaccce4
SHA256

c91bb3bd9431300da48e18f9f4d576b76c5cfbb0749c0d7dbda159fdb99a3edd
SHA512

e179ac734f6dfc961c03a2d617d945abe1ed9fd120a02cd1f408c30d1a0b1a37667e145e302f3f2761a4de6068d4ed8737c97f8e9cf9f77e42d079f94c3e0263
SSDEEP

49152:YZTSD2VMdS8xOt88ZCPbfNIWY1xG0jJbaCUXEWT:RyycRd0PbVHYfG0jJPA5

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-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pak_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pak_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2192	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2192	AcroRd32.exe
2192	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 2728	2680	cmd.exe	31
PID 2680 wrote to memory of 2728	2680	cmd.exe	31
PID 2680 wrote to memory of 2728	2680	cmd.exe	31
PID 2728 wrote to memory of 2192	2728	rundll32.exe	32
PID 2728 wrote to memory of 2192	2728	rundll32.exe	32
PID 2728 wrote to memory of 2192	2728	rundll32.exe	32
PID 2728 wrote to memory of 2192	2728	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\browserres\cef.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\browserres\cef.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2728
- - 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\browserres\cef.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2192

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
ee5e9b3b94d5e1c61d2ad2261b156c99

SHA1
7e18f91a18281b6f304134dd072b8cff037380c4

SHA256
d661c7c632cfa67061fd2725333a62ae9dfa586813edeef6c0c04ef405676837

SHA512
07cedc2f71932dffef381300fcaff7ce5c31101dc0fd65ed2927a79d866db20481f4393f4a446fcc26f733a6c8cad1bceabdb57c764699a6c0652399be7d8635

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