33088dd41a6fdeb0765939c7961793ad4eeb7d0d9cd9536dc94e883d8900148a

Analysis

max time kernel
143s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 06:43

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General

Target

1154378d77d4dd1eb83d40a3a0b6982f.dll
Size

86KB
MD5

1154378d77d4dd1eb83d40a3a0b6982f
SHA1

644be0a5651bff773e33fdfd0f5e9fda6dc92da3
SHA256

33088dd41a6fdeb0765939c7961793ad4eeb7d0d9cd9536dc94e883d8900148a
SHA512

cf56ca4b8752e64b00f0d78592bf85a1e6db1d20e5ec7fadd414d0f9b7784774c2e1150c7891000fd119376c1725dedb5e24ad026a142947f925ce7e357aba7b
SSDEEP

1536:XrrAQT0nbCfeqmBzmAeLtvdRis14SYBUZstrEg5ETfgQBVHi1U:XrrAQTQCrKliTixeAVQBxi1

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/2752-0-0x0000000000400000-0x000000000043C000-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\{E349A619-FCFF-47A0-88BC-CB82874B3FC3}	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E349A619-FCFF-47A0-88BC-CB82874B3FC3}\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\{E349A619-FCFF-47A0-88BC-CB82874B3FC3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E349A619-FCFF-47A0-88BC-CB82874B3FC3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1154378d77d4dd1eb83d40a3a0b6982f.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E349A619-FCFF-47A0-88BC-CB82874B3FC3}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3544 wrote to memory of 2752	3544	regsvr32.exe	88
PID 3544 wrote to memory of 2752	3544	regsvr32.exe	88
PID 3544 wrote to memory of 2752	3544	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1154378d77d4dd1eb83d40a3a0b6982f.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3544
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\1154378d77d4dd1eb83d40a3a0b6982f.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2752

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/2752-0-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

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memory/2752-1-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download