8e0926500186cded3ea82dcf8acc78c71e0ee9e17295828afd1393960bfb24f5

General

Target

1b55230be722a85a8c3e6c7f8ebeeaed.dll
Size

116KB
MD5

1b55230be722a85a8c3e6c7f8ebeeaed
SHA1

7a229d7ec1e42577fa41b7a57594e6517128f639
SHA256

8e0926500186cded3ea82dcf8acc78c71e0ee9e17295828afd1393960bfb24f5
SHA512

ee1034736f54d5011653219c015511c5b2260540cc90052dd817c8a3b990a98e21341dfe69bf194db98e36bffe5ccba5f10d71323cafd49f52312f0065f43b4a
SSDEEP

3072:SGa3UVdiUHXq6O6rDWqJG+22m5NcjkEWYXhT:St4diUo6PWqJGomMgSXB

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/2324-33-0x0000000010000000-0x0000000010057000-memory.dmp	upx
behavioral1/memory/2324-47818-0x0000000010000000-0x0000000010057000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 2 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\{500BCA15-57A7-4eaf-8143-8C619470B13D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{500BCA15-57A7-4eaf-8143-8C619470B13D}\ = "XML module"	regsvr32.exe

Modifies registry class 27 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\VersionIndependentProgID\ = "XML.XML"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\Install = "OK"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML.1\CLSID\ = "{500BCA15-57A7-4eaf-8143-8C619470B13D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5D2631E5-8696-7543-50B2-F674CD4308EB}\.0\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1b55230be722a85a8c3e6c7f8ebeeaed.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\ = "XML Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5D2631E5-8696-7543-50B2-F674CD4308EB}\.0\ = "XML Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML.1\ = "XML Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML\CurVer\ = "XML.XML.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1b55230be722a85a8c3e6c7f8ebeeaed.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\ProgID\ = "XML.XML.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML\ = "XML Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5D2631E5-8696-7543-50B2-F674CD4308EB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML\CLSID\ = "{500BCA15-57A7-4eaf-8143-8C619470B13D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\TypeLib\ = "{5D2631E5-8696-7543-50B2-F674CD4308EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5D2631E5-8696-7543-50B2-F674CD4308EB}\.0	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2324	2264	regsvr32.exe	16
PID 2264 wrote to memory of 2324	2264	regsvr32.exe	16
PID 2264 wrote to memory of 2324	2264	regsvr32.exe	16
PID 2264 wrote to memory of 2324	2264	regsvr32.exe	16
PID 2264 wrote to memory of 2324	2264	regsvr32.exe	16
PID 2264 wrote to memory of 2324	2264	regsvr32.exe	16
PID 2264 wrote to memory of 2324	2264	regsvr32.exe	16

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1b55230be722a85a8c3e6c7f8ebeeaed.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\1b55230be722a85a8c3e6c7f8ebeeaed.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2324-33-0x0000000010000000-0x0000000010057000-memory.dmp

Filesize
348KB

Download
memory/2324-47818-0x0000000010000000-0x0000000010057000-memory.dmp

Filesize
348KB

Download

Analysis

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