919f6ed85013b5b628f3f11ee03a975e6e275dc9cf89cb36719ef311581f3136

Analysis

max time kernel
266s
max time network
326s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 21:09

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General

Target

919f6ed85013b5b628f3f11ee03a975e6e275dc9cf89cb36719ef311581f3136.dll
Size

63KB
MD5

7345998b3157ee7bb6cb1064d00565a3
SHA1

0fd33aa733c3a0a1e6caabff8f668c46b2949bca
SHA256

919f6ed85013b5b628f3f11ee03a975e6e275dc9cf89cb36719ef311581f3136
SHA512

ff4b809a540188b2f82f80ea3c25b125651f3ba6e77fa9c956a43fa51a74580e50d6e77bbb666a425a48757d9b2f96992cfd63998a8890114b7ec4184cc3389c
SSDEEP

768:nHpI5EBmwLXHN6RRHHdB+BmHY97o014/89GH4X6Mgd90YQFO6ZXsSKhAUlxSoL0:nJIMlt6RRdOm214/hVh4KhHnZY

Score

8^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1420-133-0x0000000010000000-0x000000001002B000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 1 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\{938A8A03-A938-4019-B764-03FF8D167D79}	rundll32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{938A8A03-A938-4019-B764-03FF8D167D79}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{938A8A03-A938-4019-B764-03FF8D167D79}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{938A8A03-A938-4019-B764-03FF8D167D79}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\919f6ed85013b5b628f3f11ee03a975e6e275dc9cf89cb36719ef311581f3136.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{938A8A03-A938-4019-B764-03FF8D167D79}\InprocServer32\ThreadingModel = "Both"	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4532 wrote to memory of 1420	4532	rundll32.exe	81
PID 4532 wrote to memory of 1420	4532	rundll32.exe	81
PID 4532 wrote to memory of 1420	4532	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\919f6ed85013b5b628f3f11ee03a975e6e275dc9cf89cb36719ef311581f3136.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4532
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\919f6ed85013b5b628f3f11ee03a975e6e275dc9cf89cb36719ef311581f3136.dll,#1
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1420

Network

MITRE ATT&CK Enterprise v6

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

memory/1420-133-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

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