Analysis
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max time kernel
129s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25/01/2024, 16:56
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
7506d37a2bbe2e4497a533f4e08269fc.dll
Resource
win7-20231215-en
3 signatures
150 seconds
General
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Target
7506d37a2bbe2e4497a533f4e08269fc.dll
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Size
11KB
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MD5
7506d37a2bbe2e4497a533f4e08269fc
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SHA1
95561b04d07dc27de13f64c943b43bd947867bdb
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SHA256
7e72a4749160df1ad35074064314902a9f483dafed63959d9fdb3fae465ee3d7
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SHA512
bac7fce7127155f21e101c42e113188be32ff63c22210eb7d964c17619fd7325c690f6fc74f1e95ccfd1ef747386fb81461254dd1929dc3c07ece4e09a5778f7
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SSDEEP
192:vbS6M0ffHPM5MorrglOLqrV0EGBwKFwjClYkG2lNW//RRw:vKIvMVQVRKwKqKlNMRi
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 2 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1C3C4699-B285-475F-BE47-0B26088CE876}\ regsvr32.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1C3C4699-B285-475F-BE47-0B26088CE876} regsvr32.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{1C3C4699-B285-475F-BE47-0B26088CE876} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1C3C4699-B285-475F-BE47-0B26088CE876}\xxx = "xxx" regsvr32.exe Key created \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{1C3C4699-B285-475F-BE47-0B26088CE876}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1C3C4699-B285-475F-BE47-0B26088CE876}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7506d37a2bbe2e4497a533f4e08269fc.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1C3C4699-B285-475F-BE47-0B26088CE876}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3220 wrote to memory of 1596 3220 regsvr32.exe 86 PID 3220 wrote to memory of 1596 3220 regsvr32.exe 86 PID 3220 wrote to memory of 1596 3220 regsvr32.exe 86
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\7506d37a2bbe2e4497a533f4e08269fc.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3220 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\7506d37a2bbe2e4497a533f4e08269fc.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1596
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