cd3e7bc73872f6dc927cb3a9f186a15a4525e9fc989dd03925acd2ecf496e8f5

Analysis

max time kernel
148s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 11:46

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General

Target

10d5d1504841417c479d293f23d7841e.exe
Size

32KB
MD5

10d5d1504841417c479d293f23d7841e
SHA1

4d00f158ae676df8ce5eb9edb47ebb8934719d56
SHA256

cd3e7bc73872f6dc927cb3a9f186a15a4525e9fc989dd03925acd2ecf496e8f5
SHA512

54ac6c17ec124f8bd3121472ea8b635da867becdd195157eeeee6f1aca2f38262c3d3ff70601de5bdd4a778032fcaec07f735a0a334107ec36e6063ff6db7439
SSDEEP

768:qu5aW2SDT07OTe8//gCSD1MV+qHDVSu5pjJpOOeC:qYRmOTj3ghMVvDVSOpjJG

Score

10^/10

adware persistence stealer upx

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\ThunderAdvise = "{97421D0D-E07F-40DF-8F07-99597B9585AD}"	rundll32.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\240601718ErrorControl\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\dump_wmimmc.sys"	10d5d1504841417c479d293f23d7841e.exe

Loads dropped DLL 1 IoCs

pid	Process
2888	rundll32.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3124-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/3124-6-0x0000000000400000-0x000000000040E000-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\{97421D0D-E07F-40DF-8F07-99597B9585AD}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{97421D0D-E07F-40DF-8F07-99597B9585AD}\ = "ThunderAdvise"	rundll32.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Downloaded Program Files\ThunderAdvise.dll	10d5d1504841417c479d293f23d7841e.exe

Modifies registry class 46 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderAdvise.ThunderHlpObj\CurVer	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97421D0D-E07F-40DF-8F07-99597B9585AD}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97421D0D-E07F-40DF-8F07-99597B9585AD}\InprocServer32\ = "C:\\Windows\\Downloaded Program Files\\ThunderAdvise.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97421D0D-E07F-40DF-8F07-99597B9585AD}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6D4C7E08-E021-414C-A42D-AB15A2302196}\1.0\0\win32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6D4C7E08-E021-414C-A42D-AB15A2302196}\1.0\0\win32\ = "C:\\Windows\\Downloaded Program Files\\ThunderAdvise.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DEEF6582-9927-4CBD-897C-6A1F9E8C47DE}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6D4C7E08-E021-414C-A42D-AB15A2302196}\1.0\FLAGS\ = "0"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DEEF6582-9927-4CBD-897C-6A1F9E8C47DE}\TypeLib\Version = "1.0"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DEEF6582-9927-4CBD-897C-6A1F9E8C47DE}\ProxyStubClsid32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderAdvise.ThunderHlpObj.1	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderAdvise.ThunderHlpObj\CLSID\ = "{97421D0D-E07F-40DF-8F07-99597B9585AD}"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderAdvise.ThunderHlpObj\CurVer\ = "ThunderAdvise.ThunderHlpObj.1"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97421D0D-E07F-40DF-8F07-99597B9585AD}\ = "ThunderHlpObj Class"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97421D0D-E07F-40DF-8F07-99597B9585AD}\Programmable	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderAdvise.ThunderHlpObj\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97421D0D-E07F-40DF-8F07-99597B9585AD}\TypeLib	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6D4C7E08-E021-414C-A42D-AB15A2302196}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6D4C7E08-E021-414C-A42D-AB15A2302196}\1.0\HELPDIR	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DEEF6582-9927-4CBD-897C-6A1F9E8C47DE}\TypeLib\ = "{6D4C7E08-E021-414C-A42D-AB15A2302196}"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderAdvise.ThunderHlpObj.1\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DEEF6582-9927-4CBD-897C-6A1F9E8C47DE}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DEEF6582-9927-4CBD-897C-6A1F9E8C47DE}\ = "IThunderHlpObj"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DEEF6582-9927-4CBD-897C-6A1F9E8C47DE}\ProxyStubClsid32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DEEF6582-9927-4CBD-897C-6A1F9E8C47DE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DEEF6582-9927-4CBD-897C-6A1F9E8C47DE}\TypeLib	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DEEF6582-9927-4CBD-897C-6A1F9E8C47DE}\TypeLib\ = "{6D4C7E08-E021-414C-A42D-AB15A2302196}"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderAdvise.ThunderHlpObj.1\ = "ThunderHlpObj Class"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderAdvise.ThunderHlpObj\ = "ThunderHlpObj Class"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97421D0D-E07F-40DF-8F07-99597B9585AD}\VersionIndependentProgID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6D4C7E08-E021-414C-A42D-AB15A2302196}\1.0\0	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6D4C7E08-E021-414C-A42D-AB15A2302196}\1.0\HELPDIR\ = "C:\\Windows\\Downloaded Program Files"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DEEF6582-9927-4CBD-897C-6A1F9E8C47DE}\ = "IThunderHlpObj"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97421D0D-E07F-40DF-8F07-99597B9585AD}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97421D0D-E07F-40DF-8F07-99597B9585AD}\ProgID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6D4C7E08-E021-414C-A42D-AB15A2302196}\1.0	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6D4C7E08-E021-414C-A42D-AB15A2302196}\1.0\ = "ThunderAdvise 1.0 Type Library"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6D4C7E08-E021-414C-A42D-AB15A2302196}\1.0\FLAGS	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DEEF6582-9927-4CBD-897C-6A1F9E8C47DE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DEEF6582-9927-4CBD-897C-6A1F9E8C47DE}\TypeLib	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DEEF6582-9927-4CBD-897C-6A1F9E8C47DE}\TypeLib\Version = "1.0"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderAdvise.ThunderHlpObj.1\CLSID\ = "{97421D0D-E07F-40DF-8F07-99597B9585AD}"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderAdvise.ThunderHlpObj	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97421D0D-E07F-40DF-8F07-99597B9585AD}\ProgID\ = "ThunderAdvise.ThunderHlpObj.1"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97421D0D-E07F-40DF-8F07-99597B9585AD}\VersionIndependentProgID\ = "ThunderAdvise.ThunderHlpObj"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97421D0D-E07F-40DF-8F07-99597B9585AD}\TypeLib\ = "{6D4C7E08-E021-414C-A42D-AB15A2302196}"	rundll32.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3124	10d5d1504841417c479d293f23d7841e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	3124	10d5d1504841417c479d293f23d7841e.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 2888	3124	10d5d1504841417c479d293f23d7841e.exe	20
PID 3124 wrote to memory of 2888	3124	10d5d1504841417c479d293f23d7841e.exe	20
PID 3124 wrote to memory of 2888	3124	10d5d1504841417c479d293f23d7841e.exe	20
PID 3124 wrote to memory of 4764	3124	10d5d1504841417c479d293f23d7841e.exe	19
PID 3124 wrote to memory of 4764	3124	10d5d1504841417c479d293f23d7841e.exe	19
PID 3124 wrote to memory of 4764	3124	10d5d1504841417c479d293f23d7841e.exe	19

C:\Users\Admin\AppData\Local\Temp\10d5d1504841417c479d293f23d7841e.exe
"C:\Users\Admin\AppData\Local\Temp\10d5d1504841417c479d293f23d7841e.exe"
1⤵
- Sets service image path in registry
- Drops file in Windows directory
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3124
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\\uninstall.bat"
  2⤵
  PID:4764
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 "C:\Windows\Downloaded Program Files\ThunderAdvise.dll",MainProc
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Browser Extensions

T1176

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\uninstall.bat

Filesize
231B

MD5
9a9dba9dd273a2e4a9bd380157f4d960

SHA1
97a0cd908503c1186d1c90d26b4c32fc9110f9b3

SHA256
88b1bb8a1333beda337e84931c068fa447e9593cb6e28a0d8c3acb1e0864a5d9

SHA512
1977e8b222b2a23a6dc68e1de407aa920fcc20ac34e5583a305a10db8b274378e28f1d1daa3941ef83c0341240a35230d2260a8e0e19acea157b679537142232

Download Submit
C:\Windows\Downloaded Program Files\ThunderAdvise.dll

Filesize
39KB

MD5
1dcb0271cad7cf685181b62527612b9d

SHA1
63d7907fe8b4fee157a22f6c9782371e65805ac5

SHA256
fcdebb5f7db138c9c6d917280886eed1e34892afc97459db31a92eac25481dba

SHA512
42fcd288b35d05491d2528aa6cb5a0da3e8244605d8b925c6170db889a743e10717bf9f298077b7edeefed118579e26bddfbda1533c3014fd7d53ac1371ab8b3

Download Submit
C:\Windows\Downloaded Program Files\ThunderAdvise.dll

Filesize
44KB

MD5
cf84d56c3cb3e98e14e296c4c0774392

SHA1
b298443fa23e32fcf34fa47ec2176abdca64e09f

SHA256
c823e5154b764fd02370d06a4a88538be1e00b419f0bf01eee50cbbf46fdda54

SHA512
d8836fe48911d2c3a1835d7bdd0af3f770ca7eeae8df66464a6b0926f36658e38c0c4de6c77efde6f2696895944f6445594f6eb9eb94b7b01d94cf53d9fcb064

Download Submit
memory/3124-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3124-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads