2e4108fdfd879d61bfe5c8d1b902253db7c93a03d61ff73e107d2845069dd8ca

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/02/2024, 01:39

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General

Target

ad5e46f67f2131853e78a23798e113c1.dll
Size

68KB
MD5

ad5e46f67f2131853e78a23798e113c1
SHA1

a1746c79f14cf13d6dc7a0f3f5de2e6a1949ffb2
SHA256

2e4108fdfd879d61bfe5c8d1b902253db7c93a03d61ff73e107d2845069dd8ca
SHA512

515052948a5ff794f4c986cff90e65b8021057a06788202e76aaff9719f3000ff923ea8178332e82ea70d22980026a7983da8ef7c1adb79ddac73658cb008628
SSDEEP

768:nHpI5EBmwLXHN6RRHHdB+BmHY97o014/89GH4X6Mgd90YQFO6ZXsSKhAUlxSoLR:nJIMlt6RRdOm214/hVh4KhHnZt

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1712-0-0x0000000010000000-0x000000001002B000-memory.dmp	upx
behavioral1/memory/1712-1-0x0000000010000000-0x000000001002B000-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\\ad5e46f67f2131853e78a23798e113c1.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 7 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 1712	2320	rundll32.exe	28
PID 2320 wrote to memory of 1712	2320	rundll32.exe	28
PID 2320 wrote to memory of 1712	2320	rundll32.exe	28
PID 2320 wrote to memory of 1712	2320	rundll32.exe	28
PID 2320 wrote to memory of 1712	2320	rundll32.exe	28
PID 2320 wrote to memory of 1712	2320	rundll32.exe	28
PID 2320 wrote to memory of 1712	2320	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad5e46f67f2131853e78a23798e113c1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad5e46f67f2131853e78a23798e113c1.dll,#1
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1712

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

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Downloads

memory/1712-0-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

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memory/1712-1-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

Download