Overview
overview
10Static
static
10Bloxstrap-...in.zip
windows7-x64
1Bloxstrap-...in.zip
windows10-2004-x64
1Bloxstrap-....1.exe
windows7-x64
10Bloxstrap-....1.exe
windows10-2004-x64
10Bloxstrap-...I2.dll
windows7-x64
1Bloxstrap-...I2.dll
windows10-2004-x64
1Bloxstrap-...el.sys
windows10-2004-x64
1Bloxstrap-...er.dll
windows7-x64
1Bloxstrap-...er.dll
windows10-2004-x64
3Bloxstrap-...ec.lnk
windows7-x64
3Bloxstrap-...ec.lnk
windows10-2004-x64
3Bloxstrap-...ce.lnk
windows7-x64
3Bloxstrap-...ce.lnk
windows10-2004-x64
3Analysis
- max time kernel
357s - max time network
360s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system - submitted
10/05/2024, 13:03
Behavioral task
behavioral1
Sample
Bloxstrap-v2.5.1-main.zip
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
Bloxstrap-v2.5.1-main.zip
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
Bloxstrap-v2.5.1-main/BloxStrap v2.5.4.1.exe
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
Bloxstrap-v2.5.1-main/BloxStrap v2.5.4.1.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral5
Sample
Bloxstrap-v2.5.1-main/Guna.UI2.dll
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
Bloxstrap-v2.5.1-main/Guna.UI2.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
Bloxstrap-v2.5.1-main/Kernel.sys
Resource
win10v2004-20240508-en
Behavioral task
behavioral8
Sample
Bloxstrap-v2.5.1-main/WebView2Loader.dll
Resource
win7-20231129-en
Behavioral task
behavioral9
Sample
Bloxstrap-v2.5.1-main/WebView2Loader.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral10
Sample
Bloxstrap-v2.5.1-main/autoexec.lnk
Resource
win7-20240221-en
Behavioral task
behavioral11
Sample
Bloxstrap-v2.5.1-main/autoexec.lnk
Resource
win10v2004-20240426-en
Behavioral task
behavioral12
Sample
Bloxstrap-v2.5.1-main/aworkspace.lnk
Resource
win7-20240221-en
Behavioral task
behavioral13
Sample
Bloxstrap-v2.5.1-main/aworkspace.lnk
Resource
win10v2004-20240426-en
General
- Target Bloxstrap-v2.5.1-main/autoexec.lnk
- Size 1KB
- Sample240510-qata6abc72
- SHA256 9f8630f7a53624a066fbe2e82755bafab17263569ca005b3f56d83822ad53e93
- MD5 aafedeb80946bdcfce8436972a83df8c
- SHA1 00dd41bfa8eafa527010a7dca42b46adc3022881
- SHA512 0cdbb4580e88ffdf036bcc00a848cc4e932272d8a135bf33194bcb45267589b2bfbef2d486da64566790ebb5231914d9d9903f0f6775832814033fb7c4d0c392
- MD5 SHA1 SHA512
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 33 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff cmd.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = 00000000ffffffff cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\MRUListEx = ffffffff cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f44471a0359723fa74489c55595fe6b30ee0000 cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 820074001c004346534616003100000000001e55814d120041707044617461000000741a595e96dfd3488d671733bcee28bac5cdfadf9f6756418947c5c76bc0b67f400009000400efbe1e55814def56ea1e2e000000121400000000950000000000000000000000000000001c88d9004100700070004400610074006100000042000000 cmd.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 5a00310000000000ee56600610005061636b616765730000420009000400efbe1e55bb4def56c71e2e000000c0200000000007000000000000000000000000000000be12ca005000610063006b006100670065007300000018000000 cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0 = 4800310000000000ee56c906102041430000360009000400efbeee566006ef56d9152e000000fe6f0b0000000400000000000000000000000000000004310e0041004300000012000000 cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff cmd.exe Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}" cmd.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff cmd.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 9a00310000000000ee5660061000524f424c4f587e312e524f4200007e0009000400efbeee566006ef56da1d2e000000b75e0b0000000800000000000000000000000000000004dbc60052004f0042004c004f00580043004f00520050004f0052004100540049004f004e002e0052004f0042004c004f0058005f00350035006e006d00350065006800330063006d0030007000720000001c000000 cmd.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0 cmd.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags cmd.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\MRUListEx = 00000000ffffffff cmd.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0 cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0 = 5a00310000000000ee56c90610206175746f657865630000420009000400efbeee56c906ee568a352e0000002f760b000000030000000000000000000000000000000f580e006100750074006f006500780065006300000018000000 cmd.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell cmd.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 5000310000000000ef563d0630004c6f63616c003c0009000400efbe1e55814def56e11e2e000000ae17000000000500000000002c000000000000000000ac4563004c006f00630061006c00000014000000 cmd.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 cmd.exe Set value (int) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\NodeSlot = "1" cmd.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 cmd.exe