908f579769dfac57d2dc12448fc145b609f0e57eb0298d332de79e500296c369

Analysis

max time kernel
91s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 10:21

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General

Target
908f579769dfac57d2dc12448fc145b609f0e57eb0298d332de79e500296c369N.dll
Size 112KB
Sample240927-mdxafazgpc
SHA256 908f579769dfac57d2dc12448fc145b609f0e57eb0298d332de79e500296c369
MD5 f316867cebfbff811b3a4bd36b3fa8d0
SHA1 0a80bcafc44310ab2a2d1ca1de17b94b54453df1
SHA512 8549274867c76df980303c51e959803af46a610fbe87aad1de2cbb6f9be2691330740d34893bc26ecebe6eb2fd4896343a0dd1183c8310cb6045826d6acfeeeb
SSDEEP 1536:ZOP6hmZzmzYdJFH9bfO70tpOWS7cp7dsBYEmKT/v9bWw1iHqL8AcvYcbTpSTW:ZqzrPFHkYOv7imhzT/JhiCyvYcXpSi
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\ToggleRecycle = "{7ec5007f-e51a-40cd-bf90-44e84d4a8bdf}"	regsvr32.exe

Loads dropped DLL 2 IoCs

pid	Process
4056	regsvr32.exe
4056	regsvr32.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\Toggle\ToggleRecycle.dll	regsvr32.exe

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	regsvr32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7ec5007f-e51a-40cd-bf90-44e84d4a8bdf}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7ec5007f-e51a-40cd-bf90-44e84d4a8bdf}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7ec5007f-e51a-40cd-bf90-44e84d4a8bdf}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\Toggle\\ToggleRecycle.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7ec5007f-e51a-40cd-bf90-44e84d4a8bdf}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4056	regsvr32.exe
4056	regsvr32.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4056	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4056	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3540 wrote to memory of 4056	3540	regsvr32.exe	84
PID 3540 wrote to memory of 4056	3540	regsvr32.exe	84
PID 3540 wrote to memory of 4056	3540	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\908f579769dfac57d2dc12448fc145b609f0e57eb0298d332de79e500296c369N.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\908f579769dfac57d2dc12448fc145b609f0e57eb0298d332de79e500296c369N.dll
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:4056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

ToggleRecycle.dll

Path C:\Program Files (x86)\Common Files\Toggle\ToggleRecycle.dll
Size 112KB
SHA256 908f579769dfac57d2dc12448fc145b609f0e57eb0298d332de79e500296c369
MD5 f316867cebfbff811b3a4bd36b3fa8d0
SHA1 0a80bcafc44310ab2a2d1ca1de17b94b54453df1
SHA512 8549274867c76df980303c51e959803af46a610fbe87aad1de2cbb6f9be2691330740d34893bc26ecebe6eb2fd4896343a0dd1183c8310cb6045826d6acfeeeb
SSDEEP 1536:ZOP6hmZzmzYdJFH9bfO70tpOWS7cp7dsBYEmKT/v9bWw1iHqL8AcvYcbTpSTW:ZqzrPFHkYOv7imhzT/JhiCyvYcXpSi
MD5 SHA1 SHA512 SSDEEP

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memory/4056-5-0x0000000000F10000-0x0000000000F2D000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads