fc1aa0daee6589f81a4ea546775e98a94a47be11be8ad7d6672bbabd5ae545e0

General

Target

fc1aa0daee6589f81a4ea546775e98a94a47be11be8ad7d6672bbabd5ae545e0.exe
Size

125KB
MD5

0e595d0545b9434a12f87f6b7c3d393a
SHA1

f67b6db43f7ee52c282bb3de1efaa6462e2cf2f3
SHA256

fc1aa0daee6589f81a4ea546775e98a94a47be11be8ad7d6672bbabd5ae545e0
SHA512

b2b110bd53538ec4f88a007bb8eb9625457db8a279559974ba48f0c1506be7caf766d7e7b067c841f4315514ecb0ba02963a094a0b2c07788a6f4bf683c4c8ff
SSDEEP

3072:EmeDmBqskJMLGILnFkoYUqtHFWaQIu//5w30TRsY3lHOv:E81dL6owN0axuH5y0TRndOv

Score

7^/10

adware discovery stealer

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

2028 regsvr32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

pid	process
2028	regsvr32.exe

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

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\ = "AdPopup"	regsvr32.exe

Drops file in Program Files directory 2 IoCs

Processes:

fc1aa0daee6589f81a4ea546775e98a94a47be11be8ad7d6672bbabd5ae545e0.exe

description	ioc	process
File created	C:\Program Files (x86)\Common Files\PushWare\Uninst.exe	fc1aa0daee6589f81a4ea546775e98a94a47be11be8ad7d6672bbabd5ae545e0.exe
File created	C:\Program Files (x86)\Common Files\PushWare\cpush.dll	fc1aa0daee6589f81a4ea546775e98a94a47be11be8ad7d6672bbabd5ae545e0.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

Processes:

fc1aa0daee6589f81a4ea546775e98a94a47be11be8ad7d6672bbabd5ae545e0.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	fc1aa0daee6589f81a4ea546775e98a94a47be11be8ad7d6672bbabd5ae545e0.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\TabProcGrowth = "0"	fc1aa0daee6589f81a4ea546775e98a94a47be11be8ad7d6672bbabd5ae545e0.exe

Modifies registry class 64 IoCs

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\NewCosoMediumPop.PopCoso.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C}\ = "CPopupBlock Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C}\ProgID\ = "NewCosoMediumPop.PopCoso.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\ProgID\ = "NexyAdPopup.AYLogic.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}\TypeLib\ = "{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFD-75AD-4E51-AB43-E09E9351CE16}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2}\ = "IPopupBlock"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\NexyAdPopup.AYLogic.1\CLSID\ = "{11F09AFE-75AD-4E52-AB43-E09E9351CE17}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\NexyAdPopup.AYLogic\CLSID\ = "{11F09AFE-75AD-4E52-AB43-E09E9351CE17}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\AppID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}\1.0\0\win32\ = "C:\\Program Files (x86)\\Common Files\\PushWare\\cpush.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2}\ = "IPopupBlock"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\NewCosoMediumPop.PopCoso	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\NewCosoMediumPop.PopCoso\ = "CPopupBlock Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}\ = "IAdLogic"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\NewCosoMediumPop.PopCoso\CurVer\ = "NewCosoMediumPop.PopCoso.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}\1.0\ = "NewAdPopup 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\NewCosoMediumPop.PopCoso.1\CLSID\ = "{CDE9EB54-A08E-4570-B748-13F5DDB5781C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\VersionIndependentProgID\ = "NexyAdPopup.AYLogic"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}\ = "IAdLogic"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\NewCosoMediumPop.PopCoso.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\Common Files\\PushWare\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\NewCosoMediumPop.PopCoso.1\ = "CPopupBlock Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\NexyAdPopup.AYLogic	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\NexyAdPopup.AYLogic\ = "IELogic Helper"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\NexyAdPopup.AYLogic\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFD-75AD-4E51-AB43-E09E9351CE16}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C}\VersionIndependentProgID\ = "NewCosoMediumPop.PopCoso"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}\TypeLib\ = "{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{50C4CDD9-22D7-49FF-AC6D-7D4D528A3AB2}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\NexyAdPopup.AYLogic.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\NexyAdPopup.AYLogic\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\ = "IELogic Helper"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{11F09AFE-75AD-4E52-AB43-E09E9351CE17}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\PushWare\\cpush.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE2267BD-B163-407F-9E8D-6ADEC771E7AB}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0AD3AB16-6D0E-4F04-8660-FB1F36BC2DC0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

fc1aa0daee6589f81a4ea546775e98a94a47be11be8ad7d6672bbabd5ae545e0.exe

description	pid	process	target process
PID 1456 wrote to memory of 2028	1456	fc1aa0daee6589f81a4ea546775e98a94a47be11be8ad7d6672bbabd5ae545e0.exe	regsvr32.exe
PID 1456 wrote to memory of 2028	1456	fc1aa0daee6589f81a4ea546775e98a94a47be11be8ad7d6672bbabd5ae545e0.exe	regsvr32.exe
PID 1456 wrote to memory of 2028	1456	fc1aa0daee6589f81a4ea546775e98a94a47be11be8ad7d6672bbabd5ae545e0.exe	regsvr32.exe
PID 1456 wrote to memory of 2028	1456	fc1aa0daee6589f81a4ea546775e98a94a47be11be8ad7d6672bbabd5ae545e0.exe	regsvr32.exe
PID 1456 wrote to memory of 2028	1456	fc1aa0daee6589f81a4ea546775e98a94a47be11be8ad7d6672bbabd5ae545e0.exe	regsvr32.exe
PID 1456 wrote to memory of 2028	1456	fc1aa0daee6589f81a4ea546775e98a94a47be11be8ad7d6672bbabd5ae545e0.exe	regsvr32.exe
PID 1456 wrote to memory of 2028	1456	fc1aa0daee6589f81a4ea546775e98a94a47be11be8ad7d6672bbabd5ae545e0.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\fc1aa0daee6589f81a4ea546775e98a94a47be11be8ad7d6672bbabd5ae545e0.exe
"C:\Users\Admin\AppData\Local\Temp\fc1aa0daee6589f81a4ea546775e98a94a47be11be8ad7d6672bbabd5ae545e0.exe"
1⤵
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1456

C:\Windows\SysWOW64\regsvr32.exe
"C:\Windows\system32\regsvr32.exe" /s "C:\Program Files (x86)\Common Files\PushWare\cpush.dll"
2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2028

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Program Files (x86)\Common Files\PushWare\cpush.dll
Filesize
200KB

MD5
35d22ce8a0c24e279698782463e77adc

SHA1
f3bde32b64dd10424ac7b287df3b2d15c9aa7211

SHA256
f8de3ba4c997f96d30d0de2bdd4d9feb226c8820495fc2b8540f99aca81e5736

SHA512
45eedaec79de5e12160a4f74a93dc573dcd27de4352de13e35bdd42f5d33d0ae151b19e08483f0900a1955e64cc2bdef42727b728de1e55116d81a8d945a00e9

Download Submit
\Program Files (x86)\Common Files\PushWare\cpush.dll
Filesize
200KB

MD5
35d22ce8a0c24e279698782463e77adc

SHA1
f3bde32b64dd10424ac7b287df3b2d15c9aa7211

SHA256
f8de3ba4c997f96d30d0de2bdd4d9feb226c8820495fc2b8540f99aca81e5736

SHA512
45eedaec79de5e12160a4f74a93dc573dcd27de4352de13e35bdd42f5d33d0ae151b19e08483f0900a1955e64cc2bdef42727b728de1e55116d81a8d945a00e9

Download Submit
memory/1456-54-0x0000000074B51000-0x0000000074B53000-memory.dmp

Filesize
8KB

Download
memory/2028-55-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads