76ad0023a869282021ad7988176abe886a54dab17e4cb55ec8bba51399fdb544

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-06-2024 23:08

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General

Target

76ad0023a869282021ad7988176abe886a54dab17e4cb55ec8bba51399fdb544.dll
Size

1.7MB
MD5

c25475665b846605a5defbf6d1d77373
SHA1

1b31aeb9136dd8f5d795f9fea33822c53f4ec0e0
SHA256

76ad0023a869282021ad7988176abe886a54dab17e4cb55ec8bba51399fdb544
SHA512

7d25ec3c1827decc176e0d09da6dda4f7fb19d2944d4a51bc491fb60c945397b9001c442e715bd1922e3ce73b658fb2cfbc5bbddb162e86bd84878ec48b0533c
SSDEEP

49152:r0Vf3Q60NQ2ByAzvdYPxus6cF47ukj7URLHkJigQU/CIabjKoh9WINi:6Q6+Q2ByAzvdYPAxebDbrFIabjKoh9WH

Score

9^/10

adware stealer upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 3 IoCs

Processes:

resource	yara_rule
\Program Files\Common Files\System\symsrv.dll	UPX
behavioral1/memory/280-3-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/280-6-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.

Processes:

resource yara_rule

\Program Files\Common Files\System\symsrv.dll acprotect
Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

280 regsvr32.exe

resource	yara_rule
\Program Files\Common Files\System\symsrv.dll	acprotect

pid	process
280	regsvr32.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
\Program Files\Common Files\System\symsrv.dll	upx
behavioral1/memory/280-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/280-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 1 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\{D0498E0A-45B7-42AE-A9AA-ABA463DBD3BF} regsvr32.exe
Drops file in Program Files directory 1 IoCs

Processes:

regsvr32.exe

description ioc process

File created C:\Program Files\Common Files\System\symsrv.dll regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{D0498E0A-45B7-42AE-A9AA-ABA463DBD3BF}	regsvr32.exe

description	ioc	process
File created	C:\Program Files\Common Files\System\symsrv.dll	regsvr32.exe

Modifies registry class 57 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FCEE402-10E9-4446-AE0F-AE48D6D62E9A}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E768CD3B-BDDC-436D-9C13-E1B39CA257B1}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D0498E0A-45B7-42AE-A9AA-ABA463DBD3BF}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\76ad0023a869282021ad7988176abe886a54dab17e4cb55ec8bba51399fdb544.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D0498E0A-45B7-42AE-A9AA-ABA463DBD3BF}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SharePointWorkspace.Application	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F57FCE7-3DD6-4F92-AD77-EA0A6F768057}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FCEE402-10E9-4446-AE0F-AE48D6D62E9A}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FCEE402-10E9-4446-AE0F-AE48D6D62E9A}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E768CD3B-BDDC-436D-9C13-E1B39CA257B1}\ = " SkyDrivePro3 (InSync)"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CD55129A-B1A1-438E-A425-CEBC7DC684EE}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AllFilesystemObjects\shell	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F57FCE7-3DD6-4F92-AD77-EA0A6F768057}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\76ad0023a869282021ad7988176abe886a54dab17e4cb55ec8bba51399fdb544.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E768CD3B-BDDC-436D-9C13-E1B39CA257B1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\76ad0023a869282021ad7988176abe886a54dab17e4cb55ec8bba51399fdb544.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8BA85C75-763B-4103-94EB-9470F12FE0F7}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\76ad0023a869282021ad7988176abe886a54dab17e4cb55ec8bba51399fdb544.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SharePointWorkspace.Application\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F57FCE7-3DD6-4F92-AD77-EA0A6F768057}\ = "Microsoft SharePoint Workspace Application"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F57FCE7-3DD6-4F92-AD77-EA0A6F768057}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Groove.SiteClientActiveX\ = "Groove Site Client ActiveX"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CD55129A-B1A1-438E-A425-CEBC7DC684EE}\ = " SkyDrivePro2 (SyncInProgress)"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D0498E0A-45B7-42AE-A9AA-ABA463DBD3BF}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{573FFD05-2805-47C2-BCE0-5F19512BEB8D}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8BA85C75-763B-4103-94EB-9470F12FE0F7}\ = " SkyDrivePro1 (ErrorConflict)"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F57FCE7-3DD6-4F92-AD77-EA0A6F768057}\Programmable	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FCEE402-10E9-4446-AE0F-AE48D6D62E9A}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CD55129A-B1A1-438E-A425-CEBC7DC684EE}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8BA85C75-763B-4103-94EB-9470F12FE0F7}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AllFilesystemObjects\shell\SPFS.ContextMenu\Icon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\76ad0023a869282021ad7988176abe886a54dab17e4cb55ec8bba51399fdb544.dll,-3"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FCEE402-10E9-4446-AE0F-AE48D6D62E9A}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\76ad0023a869282021ad7988176abe886a54dab17e4cb55ec8bba51399fdb544.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{573FFD05-2805-47C2-BCE0-5F19512BEB8D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\76ad0023a869282021ad7988176abe886a54dab17e4cb55ec8bba51399fdb544.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Groove.SiteClientActiveX\CLSID\ = "{4FCEE402-10E9-4446-AE0F-AE48D6D62E9A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CD55129A-B1A1-438E-A425-CEBC7DC684EE}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F57FCE7-3DD6-4F92-AD77-EA0A6F768057}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FCEE402-10E9-4446-AE0F-AE48D6D62E9A}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AllFilesystemObjects\shell\SPFS.ContextMenu\MUIVerb = "&SkyDrive Pro"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{573FFD05-2805-47C2-BCE0-5F19512BEB8D}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SharePointWorkspace.Application\ = "Microsoft SharePoint Workspace Application"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FCEE402-10E9-4446-AE0F-AE48D6D62E9A}\ = "Groove Site Client ActiveX"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8BA85C75-763B-4103-94EB-9470F12FE0F7}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{573FFD05-2805-47C2-BCE0-5F19512BEB8D}\ = "Microsoft SkyDrive Pro Context Menu State Handler"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FCEE402-10E9-4446-AE0F-AE48D6D62E9A}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F57FCE7-3DD6-4F92-AD77-EA0A6F768057}\ProgID\ = "SharePointWorkspace.Application"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FCEE402-10E9-4446-AE0F-AE48D6D62E9A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8BA85C75-763B-4103-94EB-9470F12FE0F7}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D0498E0A-45B7-42AE-A9AA-ABA463DBD3BF}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AllFilesystemObjects\shell\SPFS.ContextMenu\SubCommands = "SPFS.BrowseOnSharePoint;SPFS.CopyLink;SPFS.Share;SPFS.ResolveError"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{573FFD05-2805-47C2-BCE0-5F19512BEB8D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FCEE402-10E9-4446-AE0F-AE48D6D62E9A}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E768CD3B-BDDC-436D-9C13-E1B39CA257B1}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SharePointWorkspace.Application\CLSID\ = "{4F57FCE7-3DD6-4F92-AD77-EA0A6F768057}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F57FCE7-3DD6-4F92-AD77-EA0A6F768057}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E768CD3B-BDDC-436D-9C13-E1B39CA257B1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D0498E0A-45B7-42AE-A9AA-ABA463DBD3BF}\ = "Microsoft SkyDrive Pro Browser Helper"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FCEE402-10E9-4446-AE0F-AE48D6D62E9A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FCEE402-10E9-4446-AE0F-AE48D6D62E9A}\ProgID\ = "Groove.SiteClientActiveX"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CD55129A-B1A1-438E-A425-CEBC7DC684EE}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\76ad0023a869282021ad7988176abe886a54dab17e4cb55ec8bba51399fdb544.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AllFilesystemObjects\shell\SPFS.ContextMenu	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AllFilesystemObjects\shell\SPFS.ContextMenu\CommandStateHandler = "{573FFD05-2805-47C2-BCE0-5F19512BEB8D}"	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regsvr32.exe

description pid process

Token: SeDebugPrivilege 280 regsvr32.exe

description	pid	process
Token: SeDebugPrivilege	280	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 2964 wrote to memory of 280	2964	regsvr32.exe	regsvr32.exe
PID 2964 wrote to memory of 280	2964	regsvr32.exe	regsvr32.exe
PID 2964 wrote to memory of 280	2964	regsvr32.exe	regsvr32.exe
PID 2964 wrote to memory of 280	2964	regsvr32.exe	regsvr32.exe
PID 2964 wrote to memory of 280	2964	regsvr32.exe	regsvr32.exe
PID 2964 wrote to memory of 280	2964	regsvr32.exe	regsvr32.exe
PID 2964 wrote to memory of 280	2964	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\76ad0023a869282021ad7988176abe886a54dab17e4cb55ec8bba51399fdb544.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2964

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\76ad0023a869282021ad7988176abe886a54dab17e4cb55ec8bba51399fdb544.dll
2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:280

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Program Files\Common Files\System\symsrv.dll
Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/280-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/280-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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