fe762261e17ac90b6356cf94164774dd5e95f9e509404355d5031e4192c57f7f

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 14:18

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General

Target

b4e9046ac192091c48877ff5c65ce71a.dll
Size

180KB
MD5

b4e9046ac192091c48877ff5c65ce71a
SHA1

51cb39fab12898f28a9c963dde004666ccf80def
SHA256

fe762261e17ac90b6356cf94164774dd5e95f9e509404355d5031e4192c57f7f
SHA512

6d5a459c9e2e5510ce2d12c3a0bef16a3c6163be271a2c9c1de35f13e9c55c7eb78a875755049658f470dc521916f7604e460d4fb9940d39f840f8a1e8e2334e
SSDEEP

3072:JsO2RAOzW5Qcwo+NOV8SFMUv3cRM3UQrZq4KItxkf/:KajQcwo+NOVjbPSeqlwk

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Toolbar\{BDC832B3-37F6-4C6A-8B06-E1123700413F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Toolbar	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BDC832B3-37F6-4C6A-8B06-E1123700413F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BDC832B3-37F6-4C6A-8B06-E1123700413F}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BDC832B3-37F6-4C6A-8B06-E1123700413F}\TypeLib\ = "{0A8574DE-CF7D-4BF8-8B72-6188D9BB0A69}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0A8574DE-CF7D-4BF8-8B72-6188D9BB0A69}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{69CC7B76-48D7-4DB1-A725-0AF17CFDA3F8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\rtsplgob.ToolBar.1\ = "rtsplgob"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\rtsplgob.bpxd\CLSID\ = "{BDC832B3-37F6-4C6A-8B06-E1123700413F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BDC832B3-37F6-4C6A-8B06-E1123700413F}\ = "rtsplgob"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0A8574DE-CF7D-4BF8-8B72-6188D9BB0A69}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0A8574DE-CF7D-4BF8-8B72-6188D9BB0A69}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{69CC7B76-48D7-4DB1-A725-0AF17CFDA3F8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{69CC7B76-48D7-4DB1-A725-0AF17CFDA3F8}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{69CC7B76-48D7-4DB1-A725-0AF17CFDA3F8}\ = "Ibpxd"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\rtsplgob.ToolBar.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BDC832B3-37F6-4C6A-8B06-E1123700413F}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BDC832B3-37F6-4C6A-8B06-E1123700413F}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0A8574DE-CF7D-4BF8-8B72-6188D9BB0A69}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0A8574DE-CF7D-4BF8-8B72-6188D9BB0A69}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{69CC7B76-48D7-4DB1-A725-0AF17CFDA3F8}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{69CC7B76-48D7-4DB1-A725-0AF17CFDA3F8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\rtsplgob.bpxd\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0A8574DE-CF7D-4BF8-8B72-6188D9BB0A69}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BDC832B3-37F6-4C6A-8B06-E1123700413F}\ProgID\ = "rtsplgob.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\rtsplgob.bpxd	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0A8574DE-CF7D-4BF8-8B72-6188D9BB0A69}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b4e9046ac192091c48877ff5c65ce71a.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{69CC7B76-48D7-4DB1-A725-0AF17CFDA3F8}\ = "Ibpxd"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{69CC7B76-48D7-4DB1-A725-0AF17CFDA3F8}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{69CC7B76-48D7-4DB1-A725-0AF17CFDA3F8}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\rtsplgob.ToolBar.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\rtsplgob.bpxd\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BDC832B3-37F6-4C6A-8B06-E1123700413F}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BDC832B3-37F6-4C6A-8B06-E1123700413F}\VersionIndependentProgID\ = "rtsplgob"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BDC832B3-37F6-4C6A-8B06-E1123700413F}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BDC832B3-37F6-4C6A-8B06-E1123700413F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b4e9046ac192091c48877ff5c65ce71a.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{69CC7B76-48D7-4DB1-A725-0AF17CFDA3F8}\TypeLib\ = "{0A8574DE-CF7D-4BF8-8B72-6188D9BB0A69}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{69CC7B76-48D7-4DB1-A725-0AF17CFDA3F8}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\rtsplgob.ToolBar.1\CLSID\ = "{BDC832B3-37F6-4C6A-8B06-E1123700413F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\rtsplgob.bpxd\CurVer\ = "rtsplgob.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BDC832B3-37F6-4C6A-8B06-E1123700413F}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0A8574DE-CF7D-4BF8-8B72-6188D9BB0A69}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0A8574DE-CF7D-4BF8-8B72-6188D9BB0A69}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0A8574DE-CF7D-4BF8-8B72-6188D9BB0A69}\1.0\ = "rtsplgob"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{69CC7B76-48D7-4DB1-A725-0AF17CFDA3F8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{69CC7B76-48D7-4DB1-A725-0AF17CFDA3F8}\TypeLib\ = "{0A8574DE-CF7D-4BF8-8B72-6188D9BB0A69}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\rtsplgob.bpxd\ = "rtsplgob"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{69CC7B76-48D7-4DB1-A725-0AF17CFDA3F8}\TypeLib\Version = "1.0"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 392 wrote to memory of 2712	392	regsvr32.exe	28
PID 392 wrote to memory of 2712	392	regsvr32.exe	28
PID 392 wrote to memory of 2712	392	regsvr32.exe	28
PID 392 wrote to memory of 2712	392	regsvr32.exe	28
PID 392 wrote to memory of 2712	392	regsvr32.exe	28
PID 392 wrote to memory of 2712	392	regsvr32.exe	28
PID 392 wrote to memory of 2712	392	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b4e9046ac192091c48877ff5c65ce71a.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:392
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\b4e9046ac192091c48877ff5c65ce71a.dll
  2⤵
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:2712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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