2a29145da58de5e8639e112f7b1885166a1542c29d58d697ea63cd1163925015

Analysis

max time kernel
148s
max time network
128s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/10/2026, 05:15

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General

Target
jaffacakes118_2a29145da58de5e8639e112f7b1885166a1542c29d58d697ea63cd1163925015.dll
Size 554KB
Sample261002-fx2wpsxere
SHA256 2a29145da58de5e8639e112f7b1885166a1542c29d58d697ea63cd1163925015
MD5 f6150507695fbebc6e7c27d367e6af23
SHA1 99a4a4de967027a41680ce1dd465c6ea8be8100d
SHA512 fd96778c54e86df81d2ed05d443261073e8113f76a5d05c6e6e6de8c13d905997a021b80af2d40c826bdfe0f64db9c9560c520405079b49e77b410241325f702
SSDEEP 12288:YAxagLG8YW488vZJRRTlFMhgIIJMALLoYc0DnstTUR:BTC8YLvLRRTYGIIvVc0DstTUR
TLSH
T195C48F73F2904437D5731A788D5B5369D83ABE102E38944F7BE81E8C4F396913A2A2D7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

adware discovery stealer

Malware Config

Signatures

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\{1057BFF6-24DC-4584-A0CC-A67EAD2828F8}	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1057BFF6-24DC-4584-A0CC-A67EAD2828F8}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jaffacakes118_2a29145da58de5e8639e112f7b1885166a1542c29d58d697ea63cd1163925015.Microsoft Corporation	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\jaffacakes118_2a29145da58de5e8639e112f7b1885166a1542c29d58d697ea63cd1163925015.Microsoft Corporation\Clsid\ = "{1057BFF6-24DC-4584-A0CC-A67EAD2828F8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1057BFF6-24DC-4584-A0CC-A67EAD2828F8}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1057BFF6-24DC-4584-A0CC-A67EAD2828F8}\ProgID\ = "jaffacakes118_2a29145da58de5e8639e112f7b1885166a1542c29d58d697ea63cd1163925015.Microsoft Corporation"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1057BFF6-24DC-4584-A0CC-A67EAD2828F8}\ = "Bing Search"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1057BFF6-24DC-4584-A0CC-A67EAD2828F8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jaffacakes118_2a29145da58de5e8639e112f7b1885166a1542c29d58d697ea63cd1163925015.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\jaffacakes118_2a29145da58de5e8639e112f7b1885166a1542c29d58d697ea63cd1163925015.Microsoft Corporation\ = "Bing Search"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jaffacakes118_2a29145da58de5e8639e112f7b1885166a1542c29d58d697ea63cd1163925015.Microsoft Corporation\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1057BFF6-24DC-4584-A0CC-A67EAD2828F8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1057BFF6-24DC-4584-A0CC-A67EAD2828F8}\InprocServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4156 wrote to memory of 4132	4156	regsvr32.exe	89

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\jaffacakes118_2a29145da58de5e8639e112f7b1885166a1542c29d58d697ea63cd1163925015.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4156
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\jaffacakes118_2a29145da58de5e8639e112f7b1885166a1542c29d58d697ea63cd1163925015.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4132

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4132-0-0x0000000000483000-0x0000000000484000-memory.dmp

Download

memory/4132-1-0x0000000000400000-0x0000000000494000-memory.dmp