cc32254ee92b96f1eb455999dbeb00ee50732cadf693f939a2b7abe897e8585f

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
13/09/2024, 18:05

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General

Target

OpenFRE-main/OpenFRE.dll/OpenFRE.dll.aps
Size

1KB
MD5

57c552e7472ed881be784bb7d27a4ebc
SHA1

7062eea48da56a8c4441aaa649bcb88fd4461a20
SHA256

a49ce5b1653ea324524b0036a66f41e022eddee0f5d17c390946f0b5a9aa268c
SHA512

876b0b02c424eef4617f92757e5f8f96408c97ee146048bd4ad7fbe9b5508c8be329a509ce49214dee82d5518e3f62fec18c6aef35c3957bdc04bcc504a50fa0

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2152	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2152	AcroRd32.exe
2152	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2896	2248	cmd.exe	29
PID 2248 wrote to memory of 2896	2248	cmd.exe	29
PID 2248 wrote to memory of 2896	2248	cmd.exe	29
PID 2896 wrote to memory of 2152	2896	rundll32.exe	32
PID 2896 wrote to memory of 2152	2896	rundll32.exe	32
PID 2896 wrote to memory of 2152	2896	rundll32.exe	32
PID 2896 wrote to memory of 2152	2896	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\OpenFRE-main\OpenFRE.dll\OpenFRE.dll.aps
1⤵
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\OpenFRE-main\OpenFRE.dll\OpenFRE.dll.aps
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2896
- - 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\OpenFRE-main\OpenFRE.dll\OpenFRE.dll.aps"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2152

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
13bb33e9e2bdb34817d7f70e7c22856a

SHA1
5f0125f7093b36a2c45cd93cb6322da048670b07

SHA256
14380e2cc0bdd477d2584fc079ebfb8a1bd2cc4f9f6f5e9b30a46767cf88001f

SHA512
5cd0b653c6202b8444323aacf5b472eb85815f38296c16c83170e7a47b9366b9227058be2ab4f85ec3755d6521417a7c182dda4a5eed8aa1d3bb67575af26c43

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