d976ec7f8f457d8ec00a475919146d4be50eb3527b48c6ce5c9a491ce6c004d8

Analysis

max time kernel
136s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
19-05-2024 05:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Bol Downloader.dll
Size

278KB
MD5

77927f4395506eebbf18169671fc4938
SHA1

5a3ab2e0721fd8222001acf5fbc82a7ed5cb4052
SHA256

e8c698557eb9dd0ba618055f6ba4915627679e8ac5eb4b7eda63f9abbe1f1ff7
SHA512

21bc9a8f9951ed4206cbe79ad3567f6c151bc016a23c37e29f9f258e6a2994843330a2195891be03086d5cd6ec73ddeda37b89e1cea35c2d2eb09f1f12658011
SSDEEP

3072:mHtqGCbviHRz6Layf5XO9+Snr+FChcAdbms2K6vEroAUN79IZp9TsRJyo1EdK+Nz:IqJbiRz6/hXq3HhcG7tg9IZeeK+N

Score

1^/10

Malware Config

Signatures

Modifies registry class 64 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{60251D1C-0662-4E14-80E6-C5A4BAD780EE}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{60251D1C-0662-4E14-80E6-C5A4BAD780EE}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{60251D1C-0662-4E14-80E6-C5A4BAD780EE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BADA82CB-BF48-4D76-9611-78E2C6F49F03}\Control\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{750FB985-9AFF-461A-A22C-BA38154C4DB9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9B943F48-BE8E-41A8-9FC3-CB89A5DDAF64}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{750FB985-9AFF-461A-A22C-BA38154C4DB9}\ = "_DBolDownloader"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{750FB985-9AFF-461A-A22C-BA38154C4DB9}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{60251D1C-0662-4E14-80E6-C5A4BAD780EE}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BOLDOWNLOADER.BolDownloaderCtrl.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BADA82CB-BF48-4D76-9611-78E2C6F49F03}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9B943F48-BE8E-41A8-9FC3-CB89A5DDAF64}\1.0\FLAGS\ = "2"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{750FB985-9AFF-461A-A22C-BA38154C4DB9}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{750FB985-9AFF-461A-A22C-BA38154C4DB9}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{60251D1C-0662-4E14-80E6-C5A4BAD780EE}\ = "_DBolDownloaderEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E927AAE5-BF32-4E8A-A8A4-9F7BA80B53B4}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BOLDOWNLOADER.BolDownloaderCtrl.1\CLSID\ = "{BADA82CB-BF48-4D76-9611-78E2C6F49F03}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BADA82CB-BF48-4D76-9611-78E2C6F49F03}\MiscStatus\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BADA82CB-BF48-4D76-9611-78E2C6F49F03}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9B943F48-BE8E-41A8-9FC3-CB89A5DDAF64}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BADA82CB-BF48-4D76-9611-78E2C6F49F03}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BADA82CB-BF48-4D76-9611-78E2C6F49F03}\MiscStatus	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BADA82CB-BF48-4D76-9611-78E2C6F49F03}\MiscStatus\1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BADA82CB-BF48-4D76-9611-78E2C6F49F03}\TypeLib\ = "{9B943F48-BE8E-41A8-9FC3-CB89A5DDAF64}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BADA82CB-BF48-4D76-9611-78E2C6F49F03}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{750FB985-9AFF-461A-A22C-BA38154C4DB9}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{60251D1C-0662-4E14-80E6-C5A4BAD780EE}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E927AAE5-BF32-4E8A-A8A4-9F7BA80B53B4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E927AAE5-BF32-4E8A-A8A4-9F7BA80B53B4}\ = "BolDownloader Property Page"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BADA82CB-BF48-4D76-9611-78E2C6F49F03}\Control	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9B943F48-BE8E-41A8-9FC3-CB89A5DDAF64}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9B943F48-BE8E-41A8-9FC3-CB89A5DDAF64}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9B943F48-BE8E-41A8-9FC3-CB89A5DDAF64}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Bol Downloader.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{60251D1C-0662-4E14-80E6-C5A4BAD780EE}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{60251D1C-0662-4E14-80E6-C5A4BAD780EE}\TypeLib\ = "{9B943F48-BE8E-41A8-9FC3-CB89A5DDAF64}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9B943F48-BE8E-41A8-9FC3-CB89A5DDAF64}\1.0\ = "Bol Downloader ActiveX Control module"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BADA82CB-BF48-4D76-9611-78E2C6F49F03}\ = "BolDownloader Control"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BADA82CB-BF48-4D76-9611-78E2C6F49F03}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\BOLDOW~1.DLL"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{60251D1C-0662-4E14-80E6-C5A4BAD780EE}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{60251D1C-0662-4E14-80E6-C5A4BAD780EE}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BOLDOWNLOADER.BolDownloaderCtrl.1\ = "BolDownloader Control"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9B943F48-BE8E-41A8-9FC3-CB89A5DDAF64}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BOLDOWNLOADER.BolDownloaderCtrl.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BADA82CB-BF48-4D76-9611-78E2C6F49F03}\ToolboxBitmap32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BADA82CB-BF48-4D76-9611-78E2C6F49F03}\Version\ = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{750FB985-9AFF-461A-A22C-BA38154C4DB9}\TypeLib\ = "{9B943F48-BE8E-41A8-9FC3-CB89A5DDAF64}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{60251D1C-0662-4E14-80E6-C5A4BAD780EE}\ = "_DBolDownloaderEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{750FB985-9AFF-461A-A22C-BA38154C4DB9}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{750FB985-9AFF-461A-A22C-BA38154C4DB9}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{750FB985-9AFF-461A-A22C-BA38154C4DB9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{750FB985-9AFF-461A-A22C-BA38154C4DB9}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{60251D1C-0662-4E14-80E6-C5A4BAD780EE}\TypeLib\ = "{9B943F48-BE8E-41A8-9FC3-CB89A5DDAF64}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BADA82CB-BF48-4D76-9611-78E2C6F49F03}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\BOLDOW~1.DLL, 1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{750FB985-9AFF-461A-A22C-BA38154C4DB9}\ = "_DBolDownloader"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BADA82CB-BF48-4D76-9611-78E2C6F49F03}\MiscStatus\1\ = "131473"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BADA82CB-BF48-4D76-9611-78E2C6F49F03}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BADA82CB-BF48-4D76-9611-78E2C6F49F03}\ProgID\ = "BOLDOWNLOADER.BolDownloaderCtrl.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{750FB985-9AFF-461A-A22C-BA38154C4DB9}\TypeLib\ = "{9B943F48-BE8E-41A8-9FC3-CB89A5DDAF64}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{60251D1C-0662-4E14-80E6-C5A4BAD780EE}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9B943F48-BE8E-41A8-9FC3-CB89A5DDAF64}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{750FB985-9AFF-461A-A22C-BA38154C4DB9}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{60251D1C-0662-4E14-80E6-C5A4BAD780EE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E927AAE5-BF32-4E8A-A8A4-9F7BA80B53B4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\BOLDOW~1.DLL"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BADA82CB-BF48-4D76-9611-78E2C6F49F03}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 4388 wrote to memory of 4976	4388	regsvr32.exe	regsvr32.exe
PID 4388 wrote to memory of 4976	4388	regsvr32.exe	regsvr32.exe
PID 4388 wrote to memory of 4976	4388	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s "C:\Users\Admin\AppData\Local\Temp\Bol Downloader.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:4388

C:\Windows\SysWOW64\regsvr32.exe
/s "C:\Users\Admin\AppData\Local\Temp\Bol Downloader.dll"
2⤵
- Modifies registry class
PID:4976

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads