f78562e543c6fa4bbfed630fc0002a87fa6e563f83054b78f0b762877b62528b

Analysis

max time kernel
152s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 00:24

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General

Target

c47db0a61c256b7907a088041100ca15.dll
Size

86KB
MD5

c47db0a61c256b7907a088041100ca15
SHA1

825389c5355bfefa8fa111f5b838715c614cd9d4
SHA256

f78562e543c6fa4bbfed630fc0002a87fa6e563f83054b78f0b762877b62528b
SHA512

73c42b4370b02f947d8e11124d237e9248bf82f6813c7c7f0ca321500e58119079fd23bc176a1e9e893110cdedb54e2e7ed6fd4905daf11207d3003b29f7d9b0
SSDEEP

1536:fYvynn+A2VreCGivZb56MVeVHRK+R6HS+Oo3cEMoZzj4WXAwvbcfOo:wv4+Ahl5oy6bP3dVS6AabcfOo

Score

7^/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/4200-0-0x0000000000400000-0x000000000043C000-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\{C735392C-48FB-448E-99F9-03A491417AD6}	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C735392C-48FB-448E-99F9-03A491417AD6}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c47db0a61c256b7907a088041100ca15.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C735392C-48FB-448E-99F9-03A491417AD6}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C735392C-48FB-448E-99F9-03A491417AD6}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C735392C-48FB-448E-99F9-03A491417AD6}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4568 wrote to memory of 4200	4568	regsvr32.exe	90
PID 4568 wrote to memory of 4200	4568	regsvr32.exe	90
PID 4568 wrote to memory of 4200	4568	regsvr32.exe	90

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c47db0a61c256b7907a088041100ca15.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4568
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\c47db0a61c256b7907a088041100ca15.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4200

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

memory/4200-0-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

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