d8f70babbe6bafa7c111c70d4a3e9e6b7c2d5bc23d5b8a0ba194f3b9caf8dabb

Analysis

max time kernel
36s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19/09/2022, 14:15

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General

Target

d8f70babbe6bafa7c111c70d4a3e9e6b7c2d5bc23d5b8a0ba194f3b9caf8dabb.exe
Size

124KB
MD5

cf2b1994fe4207fa17a02621a9b67857
SHA1

4f6caf7d61cd7c3a8815b399609de35a049928be
SHA256

d8f70babbe6bafa7c111c70d4a3e9e6b7c2d5bc23d5b8a0ba194f3b9caf8dabb
SHA512

1574ecbc155b65dfbebb9329534879a0b8e70ac113c034220f6ccad7b5510da9e05257dd8411bf1e897f30438becfe79a7d4cc137143e978d05fe3c5657d28fc
SSDEEP

3072:EmeDmBqskJ5iwVR5pGIvGgBAkvJM2g3XDYTfP/FB4:E8wiARvSIJyXDEfVB4

Score

7^/10

adware discovery stealer

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1992	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

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\{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

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\PushWare\Uninst.exe	d8f70babbe6bafa7c111c70d4a3e9e6b7c2d5bc23d5b8a0ba194f3b9caf8dabb.exe
File created	C:\Program Files (x86)\Common Files\PushWare\cpush.dll	d8f70babbe6bafa7c111c70d4a3e9e6b7c2d5bc23d5b8a0ba194f3b9caf8dabb.exe

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

System Information Discovery
T1082

Modifies registry class 64 IoCs

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

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 1992	1636	d8f70babbe6bafa7c111c70d4a3e9e6b7c2d5bc23d5b8a0ba194f3b9caf8dabb.exe	27
PID 1636 wrote to memory of 1992	1636	d8f70babbe6bafa7c111c70d4a3e9e6b7c2d5bc23d5b8a0ba194f3b9caf8dabb.exe	27
PID 1636 wrote to memory of 1992	1636	d8f70babbe6bafa7c111c70d4a3e9e6b7c2d5bc23d5b8a0ba194f3b9caf8dabb.exe	27
PID 1636 wrote to memory of 1992	1636	d8f70babbe6bafa7c111c70d4a3e9e6b7c2d5bc23d5b8a0ba194f3b9caf8dabb.exe	27
PID 1636 wrote to memory of 1992	1636	d8f70babbe6bafa7c111c70d4a3e9e6b7c2d5bc23d5b8a0ba194f3b9caf8dabb.exe	27
PID 1636 wrote to memory of 1992	1636	d8f70babbe6bafa7c111c70d4a3e9e6b7c2d5bc23d5b8a0ba194f3b9caf8dabb.exe	27
PID 1636 wrote to memory of 1992	1636	d8f70babbe6bafa7c111c70d4a3e9e6b7c2d5bc23d5b8a0ba194f3b9caf8dabb.exe	27

C:\Users\Admin\AppData\Local\Temp\d8f70babbe6bafa7c111c70d4a3e9e6b7c2d5bc23d5b8a0ba194f3b9caf8dabb.exe
"C:\Users\Admin\AppData\Local\Temp\d8f70babbe6bafa7c111c70d4a3e9e6b7c2d5bc23d5b8a0ba194f3b9caf8dabb.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1636
- 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:1992

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
196KB

MD5
9bc9c38ba52b83dd3a278dada1c35dc9

SHA1
a09054177740b8ab61efdc4a6afbbc88d4278063

SHA256
f631cf3597b1ec377518dc0a9a92f2e986d3f924174893cd7dbc1a87a48060e7

SHA512
2dea3fd7d64bcda89bf9340d5db83869efb45bd1a263199669a4081fabf97e2b164057ed22e4cfc58606b29bd1d759b147fceb539fabbdd0183effcc0ffb4cf6

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

Filesize
196KB

MD5
9bc9c38ba52b83dd3a278dada1c35dc9

SHA1
a09054177740b8ab61efdc4a6afbbc88d4278063

SHA256
f631cf3597b1ec377518dc0a9a92f2e986d3f924174893cd7dbc1a87a48060e7

SHA512
2dea3fd7d64bcda89bf9340d5db83869efb45bd1a263199669a4081fabf97e2b164057ed22e4cfc58606b29bd1d759b147fceb539fabbdd0183effcc0ffb4cf6

Download Submit
memory/1636-54-0x0000000075E51000-0x0000000075E53000-memory.dmp

Filesize
8KB

Download