6de8c35442ff5bd6a780efaa1ad04b293549fa157f789a6784db8e00be3a5f27

Analysis

max time kernel
1s
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
24-12-2023 14:52

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General

Target

025764ab03e1c4b6108c7ea80a3d199a.dll
Size

59KB
MD5

025764ab03e1c4b6108c7ea80a3d199a
SHA1

afee177bfffefeaea454c4ff82d27e7a4ed4e694
SHA256

6de8c35442ff5bd6a780efaa1ad04b293549fa157f789a6784db8e00be3a5f27
SHA512

ef78aec50bbef23a809e51f29decd09eddfdddee25bd0958f0e6b9620cae564f0e2d698c84801a181b4ee7b23daef2788e14f8ac427db1029e25742f85883a4f
SSDEEP

384:XPyZNjtU2mRURhjjC93NNiWnDBC+S7lcPEow2SybU1H5zdqydXfo4:fyZ/P8NieDBrel7odX0dq6X

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{45694105-5108-9405-3695-954187462154}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{45694105-5108-9405-3695-954187462154}\ = "mpwddapi.dll"	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\verclsid.exe	rundll32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45694105-5108-9405-3695-954187462154}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45694105-5108-9405-3695-954187462154}\InprocServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45694105-5108-9405-3695-954187462154}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45694105-5108-9405-3695-954187462154}\InprocServer32\ = "C:\\Windows\\SysWow64\\mpwddapi.dll"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1624	rundll32.exe
1624	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1624	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 1624	1456	rundll32.exe	17
PID 1456 wrote to memory of 1624	1456	rundll32.exe	17
PID 1456 wrote to memory of 1624	1456	rundll32.exe	17
PID 1624 wrote to memory of 868	1624	rundll32.exe	21
PID 1624 wrote to memory of 868	1624	rundll32.exe	21
PID 1624 wrote to memory of 868	1624	rundll32.exe	21

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\025764ab03e1c4b6108c7ea80a3d199a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\025764ab03e1c4b6108c7ea80a3d199a.dll,#1
  2⤵
  - Installs/modifies Browser Helper Object
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1624
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\~DFD240600906.bat
    3⤵
    PID:868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~DFD240600906.bat

Filesize
121B

MD5
09517fc62284f33e877a276463580bd1

SHA1
0b14fe1db4493818f9de0bf2a56ee5370b8d479a

SHA256
6cc6bbb1f3f754b6894d84130f5f2d86569ac3a603e1632d3cefa028f22b6238

SHA512
1b924dd216d0f38199cc6df215e65ff260aa48fa37aa620dabcbc616f434643bd1f2e617d66b14bd52900214148741565128ba9589782ba582fd7308369f4a4d

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