b3024e031b60dda864cc3fa8368328f0d53252564bf02a9f0abe35b868c81e9b

Analysis

max time kernel
152s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 15:24

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
c8f5f42b267c322afcfdca21f034e0fb.exe
Size 405KB
Sample240314-ss7mlsfe7v
SHA256 b3024e031b60dda864cc3fa8368328f0d53252564bf02a9f0abe35b868c81e9b
MD5 c8f5f42b267c322afcfdca21f034e0fb
SHA1 1b3087061f97550972055adc3d836715088161d1
SHA512 b78e35df42fae4a2152bc39204e86d702076682d50393c87632e1486a423953f5ce09625a19dff4895c6c80f46d70cbe8135096af91aa6c3bca4e326d7b82426
SSDEEP 12288:Z+q9xvXxWxIoFxU+DssTtQDdDiGBkMyF9eqU80oz:5NloPnQLkMybeK0c
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

adware aspackv2 stealer upx

Malware Config

Signatures

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000400000002271f-6.dat	aspack_v212_v242

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	c8f5f42b267c322afcfdca21f034e0fb.exe

Loads dropped DLL 1 IoCs

pid	Process
2900	regsvr32.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4524-0-0x0000000000400000-0x0000000000483000-memory.dmp	upx
behavioral2/memory/4524-12-0x0000000000400000-0x0000000000483000-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\{FBFE32FE-4ED6-4099-A087-8C238B714831}	c8f5f42b267c322afcfdca21f034e0fb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{FBFE32FE-4ED6-4099-A087-8C238B714831}\	c8f5f42b267c322afcfdca21f034e0fb.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\UOJJHCFVIJC	c8f5f42b267c322afcfdca21f034e0fb.exe
File created	C:\Windows\oggview.dll	c8f5f42b267c322afcfdca21f034e0fb.exe
File opened for modification	C:\Windows\oggview.dll	c8f5f42b267c322afcfdca21f034e0fb.exe

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

System Information Discovery
T1082

Modifies registry class 55 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2B8437AD-4E51-4DBA-BD02-B80B4C048C83}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\oggview.Video\ = "OGG Viewer"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\AccessPermission = 01000480440000005400000000000000140000000200300002000000000014000300000001010000000000050400000000001400030000000101000000000005120000000102000000000005200000002002000001020000000000052000000020020000	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2B8437AD-4E51-4DBA-BD02-B80B4C048C83}\TypeLib\ = "{FB35DA3F-3EBD-4F8A-8B5F-521ABA109398}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\oggview.Video\Clsid\ = "{FBFE32FE-4ED6-4099-A087-8C238B714831}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB35DA3F-3EBD-4F8A-8B5F-521ABA109398}\1.0\HELPDIR\ = "C:\\Windows\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\ProgID\ = "oggview.Video"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\oggview.dll	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB35DA3F-3EBD-4F8A-8B5F-521ABA109398}\1.0\0\win32\ = "C:\\Windows\\oggview.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB35DA3F-3EBD-4F8A-8B5F-521ABA109398}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\DllSurrogate	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2B8437AD-4E51-4DBA-BD02-B80B4C048C83}\ = "IVideo"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2B8437AD-4E51-4DBA-BD02-B80B4C048C83}\TypeLib\ = "{FB35DA3F-3EBD-4F8A-8B5F-521ABA109398}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\InprocServer32\ = "C:\\Windows\\oggview.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\Version\ = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB35DA3F-3EBD-4F8A-8B5F-521ABA109398}\1.0\ = "OGG View"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2B8437AD-4E51-4DBA-BD02-B80B4C048C83}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2B8437AD-4E51-4DBA-BD02-B80B4C048C83}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\ = "OGG Viewer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB35DA3F-3EBD-4F8A-8B5F-521ABA109398}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2B8437AD-4E51-4DBA-BD02-B80B4C048C83}\ = "IVideo"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFE32FE-4ED6-4099-A087-8C238B714831}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\oggview.Video	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\oggview.dll\AppID = "{FBFE32FE-4ED6-4099-A087-8C238B714831}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\AppID = "{FBFE32FE-4ED6-4099-A087-8C238B714831}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\LocalizedString = "@C:\\Windows\\oggview.dll,-293"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB35DA3F-3EBD-4F8A-8B5F-521ABA109398}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2B8437AD-4E51-4DBA-BD02-B80B4C048C83}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2B8437AD-4E51-4DBA-BD02-B80B4C048C83}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2B8437AD-4E51-4DBA-BD02-B80B4C048C83}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2B8437AD-4E51-4DBA-BD02-B80B4C048C83}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2B8437AD-4E51-4DBA-BD02-B80B4C048C83}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB35DA3F-3EBD-4F8A-8B5F-521ABA109398}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB35DA3F-3EBD-4F8A-8B5F-521ABA109398}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\TypeLib\ = "{FB35DA3F-3EBD-4F8A-8B5F-521ABA109398}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\ = "OGG Viewer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\Elevation	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2B8437AD-4E51-4DBA-BD02-B80B4C048C83}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\oggview.Video\Clsid	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\Elevation\Enabled = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB35DA3F-3EBD-4F8A-8B5F-521ABA109398}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB35DA3F-3EBD-4F8A-8B5F-521ABA109398}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2B8437AD-4E51-4DBA-BD02-B80B4C048C83}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFE32FE-4ED6-4099-A087-8C238B714831}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{FBFE32FE-4ED6-4099-A087-8C238B714831}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4524 wrote to memory of 2900	4524	c8f5f42b267c322afcfdca21f034e0fb.exe	96
PID 4524 wrote to memory of 2900	4524	c8f5f42b267c322afcfdca21f034e0fb.exe	96
PID 4524 wrote to memory of 2900	4524	c8f5f42b267c322afcfdca21f034e0fb.exe	96

C:\Users\Admin\AppData\Local\Temp\c8f5f42b267c322afcfdca21f034e0fb.exe
"C:\Users\Admin\AppData\Local\Temp\c8f5f42b267c322afcfdca21f034e0fb.exe"
1⤵
- Checks computer location settings
- Installs/modifies Browser Helper Object
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4524
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\oggview.dll
  2⤵
  - Loads dropped DLL
  - Modifies registry class
  PID:2900

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3020 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
1⤵
PID:4420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Loading Replay Monitor...

Downloads

UOJJHCFVIJC

Path C:\Windows\UOJJHCFVIJC
Size 229KB
SHA256 c2ae6aa1bd2e9fc15c5f3afb7a83c30bcb3288bba28edae6e153a3f42ae25236
MD5 a75f1662f375ac4222ea21cc88c73b2e
SHA1 40b6360bde9a5304100f81c4fb6357a7bac13bc7
SHA512 ad61f3a8ed5e36c7138db224443c4da5c64a7bcd63d6b25cb714060cc3d57efbb46da1dcb9a91da108cefd30ded3d6be833e95b7e6722c274365f832d3c275aa
SSDEEP 6144:rvsTt2MD0D+0DHiGA5MkMyA3elmU9N7Y7qU806+dTozwV:rsTtQDdDiGBkMyF9eqU80oz
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2900-10-0x0000000000400000-0x00000000004BB000-memory.dmp

Download

memory/2900-11-0x0000000002450000-0x0000000002451000-memory.dmp

Download

memory/4524-0-0x0000000000400000-0x0000000000483000-memory.dmp

Download

memory/4524-1-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

Download

memory/4524-12-0x0000000000400000-0x0000000000483000-memory.dmp

Download

memory/4524-14-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads