ecc3914cf0cd087a1abf380a85e8c12637c16f5faa33fb3f96b4ffbe0f410ce6

Analysis

max time kernel
147s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 12:27

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General

Target
ecc3914cf0cd087a1abf380a85e8c12637c16f5faa33fb3f96b4ffbe0f410ce6.dll
Size 1.4MB
Sample221204-pm286adb4t
SHA256 ecc3914cf0cd087a1abf380a85e8c12637c16f5faa33fb3f96b4ffbe0f410ce6
MD5 18e4f8510e3efa0da31c6f0ee0c2853b
SHA1 3250d9d8d2283ef1c628b96069d21304eb91a080
SHA512 1d6c50703cb394e4b6bad3336f8a27554ba1f4d0ebadd2764b18e1966836d129d5e3c06ad811d7340b5e56ff08fafe8819cea2b3acfca607e2573d115d3ba151
SSDEEP 6144:1S4wb+1qXjznSOl2y7YyMGMMj2PTQEo7ucyHW:cx+1qXjNo3V7Qf
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
612	rundll32.exe
612	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\gdllpasu.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\gdllpasu.dll	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5088	612	WerFault.exe	78

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3300 wrote to memory of 612	3300	rundll32.exe	78
PID 3300 wrote to memory of 612	3300	rundll32.exe	78
PID 3300 wrote to memory of 612	3300	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ecc3914cf0cd087a1abf380a85e8c12637c16f5faa33fb3f96b4ffbe0f410ce6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3300
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ecc3914cf0cd087a1abf380a85e8c12637c16f5faa33fb3f96b4ffbe0f410ce6.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Modifies registry class
  PID:612
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 612 -s 928
    3⤵
    - Program crash
    PID:5088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 612 -ip 612
1⤵
PID:4964

Network

MITRE ATT&CK Matrix

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Downloads

gdllpasu.dll

Path C:\Windows\SysWOW64\gdllpasu.dll
Size 2.0MB
SHA256 ef7005e338eca6cec1573164c28dededb7550879c9fa71fa356de397c07e79a6
MD5 0acf96972da7e65464b3f26aadb9ecc9
SHA1 61e9ad568c8d1b57e1e81c78d66120049823ed11
SHA512 ad4527431bba3c7971df11a794b9b9ed77ce1fd259416dacdc67032684bde08b1c38a0cc3d3dd7491271dc36b0511a6b77c4382ff74b1b4eefda0f2e1bc88819
SSDEEP 6144:1S4wb+1qXjznSOl2y7YyMGMMj2PTQEo7ucyHW:cx+1qXjNo3V7Qf
MD5 SHA1 SHA512 SSDEEP

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gdllpasu.dll

Path C:\Windows\SysWOW64\gdllpasu.dll
Size 2.0MB
SHA256 ef7005e338eca6cec1573164c28dededb7550879c9fa71fa356de397c07e79a6
MD5 0acf96972da7e65464b3f26aadb9ecc9
SHA1 61e9ad568c8d1b57e1e81c78d66120049823ed11
SHA512 ad4527431bba3c7971df11a794b9b9ed77ce1fd259416dacdc67032684bde08b1c38a0cc3d3dd7491271dc36b0511a6b77c4382ff74b1b4eefda0f2e1bc88819
SSDEEP 6144:1S4wb+1qXjznSOl2y7YyMGMMj2PTQEo7ucyHW:cx+1qXjNo3V7Qf
MD5 SHA1 SHA512 SSDEEP

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memory/612-134-0x0000000002F10000-0x0000000002F67000-memory.dmp

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memory/612-141-0x00000000014E0000-0x00000000014E8000-memory.dmp

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memory/612-148-0x00000000033B0000-0x00000000033EE000-memory.dmp

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memory/612-151-0x0000000003500000-0x0000000003557000-memory.dmp

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memory/612-157-0x0000000001740000-0x0000000001748000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads