Analysis
-
max time kernel
141s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
30-12-2023 06:32
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1127597217e7b108ef69d5051a3393b5.dll
Resource
win7-20231215-en
windows7-x64
3 signatures
150 seconds
General
-
Target
1127597217e7b108ef69d5051a3393b5.dll
-
Size
635KB
-
MD5
1127597217e7b108ef69d5051a3393b5
-
SHA1
1543dac2aa256a8f2f02b95247303b31e580f773
-
SHA256
d0ef12ce15fc7ac0b60ad891a1c97b57bf0c1ce47715428c8f7683ac1d4c1e73
-
SHA512
7c18ba9f2b720ecbd9cc9e62ad5fc9f204a3a129e2b7fc496f3858611aef14eb429627f4cf5bec52a34ac69020ec697baaecb26c69c69ae934c3ad33af365b87
-
SSDEEP
12288:aM0t9FNcxDMmfrLAF8rZIRf2MmsXaD0TPekPhp/fO79s:CtjNcXnVInvaYTPeihB
Malware Config
Signatures
-
Installs/modifies Browser Helper Object 2 TTPs 1 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CC01FC6C-ACF2-D8F7-2B74-5A56115CAD8D} regsvr32.exe -
Modifies registry class 11 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\1127597217e7b108ef69d5051a3393b5.axc\Clsid\ = "{CC01FC6C-ACF2-D8F7-2B74-5A56115CAD8D}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-ACF2-D8F7-2B74-5A56115CAD8D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-ACF2-D8F7-2B74-5A56115CAD8D}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\1127597217e7b108ef69d5051a3393b5.axc\ = "axc" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\1127597217e7b108ef69d5051a3393b5.axc regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\1127597217e7b108ef69d5051a3393b5.axc\Clsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-ACF2-D8F7-2B74-5A56115CAD8D}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-ACF2-D8F7-2B74-5A56115CAD8D}\ProgID\ = "1127597217e7b108ef69d5051a3393b5.axc" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-ACF2-D8F7-2B74-5A56115CAD8D}\ = "axc" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-ACF2-D8F7-2B74-5A56115CAD8D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1127597217e7b108ef69d5051a3393b5.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-ACF2-D8F7-2B74-5A56115CAD8D}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3688 wrote to memory of 1592 3688 regsvr32.exe 25 PID 3688 wrote to memory of 1592 3688 regsvr32.exe 25 PID 3688 wrote to memory of 1592 3688 regsvr32.exe 25
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\1127597217e7b108ef69d5051a3393b5.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3688 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\1127597217e7b108ef69d5051a3393b5.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1592
-