2969b9dc946a5d346ed2b7b5451d48e039e292688452e0aa08c79d38924878db

Analysis

max time kernel
48s
max time network
52s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
06/11/2022, 04:45

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General

Target

2969b9dc946a5d346ed2b7b5451d48e039e292688452e0aa08c79d38924878db.exe
Size

18KB
MD5

24b642ce86bcecc248f389faae3af230
SHA1

0bf04f3b9ebce1eb173dd7b737e774d4b75cfe30
SHA256

2969b9dc946a5d346ed2b7b5451d48e039e292688452e0aa08c79d38924878db
SHA512

8a3cb6059d8c0acc4f5cfe863d5919281927a3312c5c20ff4684e8cb66d3c37a86546a55798cc021c63f8144c4f8f4491a6c07accd69e671df6629f6e93c4685
SSDEEP

384:QBPG/y5rlFS2yIJkdUvoUmAGLOa/9W20navY86hqIqZW0MK:QZZHS2yHSvdAOii2I4o

Score

9^/10

adware stealer upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000800000001413a-57.dat	acprotect
behavioral1/files/0x000800000001413a-58.dat	acprotect

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000800000001413a-57.dat	upx
behavioral1/files/0x000800000001413a-58.dat	upx
behavioral1/memory/1536-59-0x0000000000400000-0x000000000040C000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1584	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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{17DA0C9E-4A27-4ac5-BB75-5D24B8CDB972}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{17DA0C9E-4A27-4ac5-BB75-5D24B8CDB972}\ = "Microsoft Excel"	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{17DA0C9E-4A27-4ac5-BB75-5D24B8CDB972}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB19BC08-E664-462C-909B-3E9C3F4FF90E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB19BC08-E664-462C-909B-3E9C3F4FF90E}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Office\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{212552CF-D5B0-49F0-961D-95CA146CDE03}\ = "IExcelExport"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{212552CF-D5B0-49F0-961D-95CA146CDE03}\ = "IExcelExport"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{17DA0C9E-4A27-4ac5-BB75-5D24B8CDB972}\ProgID\ = "SearchWord.ExcelExport.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.ExcelExport\CurVer\ = "SearchWord.ExcelExport.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{17DA0C9E-4A27-4ac5-BB75-5D24B8CDB972}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB19BC08-E664-462C-909B-3E9C3F4FF90E}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Office\\Excel10.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{212552CF-D5B0-49F0-961D-95CA146CDE03}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.ExcelExport\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{17DA0C9E-4A27-4ac5-BB75-5D24B8CDB972}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{17DA0C9E-4A27-4ac5-BB75-5D24B8CDB972}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Roaming\\MICROS~1\\Office\\Excel10.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{212552CF-D5B0-49F0-961D-95CA146CDE03}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{212552CF-D5B0-49F0-961D-95CA146CDE03}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.ExcelExport\CLSID\ = "{17DA0C9E-4A27-4ac5-BB75-5D24B8CDB972}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.ExcelExport	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.ExcelExport\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{17DA0C9E-4A27-4ac5-BB75-5D24B8CDB972}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{17DA0C9E-4A27-4ac5-BB75-5D24B8CDB972}\TypeLib\ = "{FB19BC08-E664-462c-909B-3E9C3F4FF90E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB19BC08-E664-462C-909B-3E9C3F4FF90E}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB19BC08-E664-462C-909B-3E9C3F4FF90E}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB19BC08-E664-462C-909B-3E9C3F4FF90E}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.ExcelExport.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{212552CF-D5B0-49F0-961D-95CA146CDE03}\TypeLib\ = "{FB19BC08-E664-462C-909B-3E9C3F4FF90E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{212552CF-D5B0-49F0-961D-95CA146CDE03}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{212552CF-D5B0-49F0-961D-95CA146CDE03}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.ExcelExport.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.ExcelExport\ = "Microsoft Excel"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{17DA0C9E-4A27-4ac5-BB75-5D24B8CDB972}\ = "ExcelExport"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB19BC08-E664-462C-909B-3E9C3F4FF90E}\1.0\ = "ExcelExport 1.1 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB19BC08-E664-462C-909B-3E9C3F4FF90E}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{212552CF-D5B0-49F0-961D-95CA146CDE03}\TypeLib\ = "{FB19BC08-E664-462C-909B-3E9C3F4FF90E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.ExcelExport.1\ = "Microsoft Excel"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{17DA0C9E-4A27-4ac5-BB75-5D24B8CDB972}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{17DA0C9E-4A27-4ac5-BB75-5D24B8CDB972}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB19BC08-E664-462C-909B-3E9C3F4FF90E}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{212552CF-D5B0-49F0-961D-95CA146CDE03}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.ExcelExport.1\CLSID\ = "{17DA0C9E-4A27-4ac5-BB75-5D24B8CDB972}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{212552CF-D5B0-49F0-961D-95CA146CDE03}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{212552CF-D5B0-49F0-961D-95CA146CDE03}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FB19BC08-E664-462C-909B-3E9C3F4FF90E}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{17DA0C9E-4A27-4ac5-BB75-5D24B8CDB972}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{212552CF-D5B0-49F0-961D-95CA146CDE03}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{212552CF-D5B0-49F0-961D-95CA146CDE03}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{17DA0C9E-4A27-4ac5-BB75-5D24B8CDB972}\VersionIndependentProgID\ = "SearchWord.ExcelExport"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1536 wrote to memory of 1584	1536	2969b9dc946a5d346ed2b7b5451d48e039e292688452e0aa08c79d38924878db.exe	26
PID 1536 wrote to memory of 1584	1536	2969b9dc946a5d346ed2b7b5451d48e039e292688452e0aa08c79d38924878db.exe	26
PID 1536 wrote to memory of 1584	1536	2969b9dc946a5d346ed2b7b5451d48e039e292688452e0aa08c79d38924878db.exe	26
PID 1536 wrote to memory of 1584	1536	2969b9dc946a5d346ed2b7b5451d48e039e292688452e0aa08c79d38924878db.exe	26
PID 1536 wrote to memory of 1584	1536	2969b9dc946a5d346ed2b7b5451d48e039e292688452e0aa08c79d38924878db.exe	26
PID 1536 wrote to memory of 1584	1536	2969b9dc946a5d346ed2b7b5451d48e039e292688452e0aa08c79d38924878db.exe	26
PID 1536 wrote to memory of 1584	1536	2969b9dc946a5d346ed2b7b5451d48e039e292688452e0aa08c79d38924878db.exe	26

C:\Users\Admin\AppData\Local\Temp\2969b9dc946a5d346ed2b7b5451d48e039e292688452e0aa08c79d38924878db.exe
"C:\Users\Admin\AppData\Local\Temp\2969b9dc946a5d346ed2b7b5451d48e039e292688452e0aa08c79d38924878db.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1536
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 /s "C:\Users\Admin\AppData\Roaming\Microsoft\Office\Excel10.dll"
  2⤵
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1584

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Office\Excel10.dll

Filesize
16KB

MD5
1d921021ae404f7ba3ce952a2080b0be

SHA1
b2fcb94af06c2c908eb77972f972768577e773cc

SHA256
510fb8ca4e402592dfc363377d9c414cc1c7293c59d9c2b39a410d53f2a7a792

SHA512
8f5914d46ed5bbb8ef287f8a4f6316b2a34ba299bb4ca5df958bf264f62cb6ba542d425343487c77ef7d1580d60d16451ab22527debd20b5d7336f8db1040642

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Office\Excel10.dll

Filesize
16KB

MD5
1d921021ae404f7ba3ce952a2080b0be

SHA1
b2fcb94af06c2c908eb77972f972768577e773cc

SHA256
510fb8ca4e402592dfc363377d9c414cc1c7293c59d9c2b39a410d53f2a7a792

SHA512
8f5914d46ed5bbb8ef287f8a4f6316b2a34ba299bb4ca5df958bf264f62cb6ba542d425343487c77ef7d1580d60d16451ab22527debd20b5d7336f8db1040642

Download Submit
memory/1536-54-0x0000000075681000-0x0000000075683000-memory.dmp

Filesize
8KB

Download
memory/1536-59-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download