c1a4448bea3bc8f763bb8a55ed0419e1564f117763db23a7cb1045a493883e49

Analysis

max time kernel
141s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 17:11

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General

Target

CJ_ZJJJS_BX2.1/ExamBible.exe
Size

1.4MB
MD5

f2514dca923340fc8d7684ec842d3fba
SHA1

0f6e27e37b7abb92947b4174332f8de635a3ab12
SHA256

238b1a66ed9966cf4a3d4af0f81d7daac7e98bc14836a4dad218e1a41d0ed276
SHA512

81d7e7d56f958e8c9898c8e64124009c07dc8747a05adfd467415cdf0387aaf20b0c8024f3dd90ab78b437d0b0f2e4fc59ed95dfbb874aae59c7ead9f45cb254
SSDEEP

24576:b1NVNQDGHmSupJURxLJsZ+Vh/sfZ05efWvG2uH3dIO+FoxY9h:pX6GzupJURxLJsS/mZ05gx2uHSO+FoK

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	ExamBible.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ExamBible.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	ExamBible.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Internet Explorer\Main	ExamBible.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	ExamBible.exe

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1AEFCC20-7A24-11D2-98B0-C69BEB4B5B6D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1AEFCC20-7A24-11D2-98B0-C69BEB4B5B6D}\TypeLib	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1AEFCC20-7A24-11D2-98B0-C69BEB4B5B6D}\ = "IAppServer"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DatapacketRead.1	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA7-591C-11D0-BF52-0020AF32BD64}\InProcServer32	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83F57D68-CA9A-11D2-9088-00C04FA35CFA}\1.0\ = "Borland Midas type library"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83F57D68-CA9A-11D2-9088-00C04FA35CFA}\1.0\0	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83F57D68-CA9A-11D2-9088-00C04FA35CFA}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CJ_ZJJJS_BX2.1"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA5-591C-11D0-BF52-0020AF32BD64}\ProgID	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA5-591C-11D0-BF52-0020AF32BD64}\ProgID\ = "Borland.Midas_DatapacketWrite.1"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83F57D68-CA9A-11D2-9088-00C04FA35CFA}\1.0	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA1-591C-11D0-BF52-0020AF32BD64}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CJ_ZJJJS_BX2.1\\MIDAS.DLL"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA3-591C-11D0-BF52-0020AF32BD64}	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DSCursor	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA3-591C-11D0-BF52-0020AF32BD64}\ProgID\ = "Borland.Midas_DSCursor.1"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DatapacketRead.1\Clsid	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DatapacketWrite.1\Clsid	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA5-591C-11D0-BF52-0020AF32BD64}\InProcServer32\ThreadingModel = "Apartment"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1AEFCC20-7A24-11D2-98B0-C69BEB4B5B6D}	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA1-591C-11D0-BF52-0020AF32BD64}\ProgID\ = "Borland.Midas_DSBase.1"	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA1-591C-11D0-BF52-0020AF32BD64}\InProcServer32\ThreadingModel = "Apartment"	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA3-591C-11D0-BF52-0020AF32BD64}\InProcServer32\ThreadingModel = "Apartment"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83F57D68-CA9A-11D2-9088-00C04FA35CFA}\1.0\0\win32	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83F57D68-CA9A-11D2-9088-00C04FA35CFA}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CJ_ZJJJS_BX2.1\\MIDAS.DLL"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1AEFCC20-7A24-11D2-98B0-C69BEB4B5B6D}	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA1-591C-11D0-BF52-0020AF32BD64}\VersionIndependentProgID\ = "Borland.Midas_DSBase"	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DSCursor\ = "Borland Midas DSCursor Current"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DSCursor.1	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA3-591C-11D0-BF52-0020AF32BD64}\VersionIndependentProgID	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DatapacketRead.1\ = "Borland Midas DatapacketRead"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83F57D68-CA9A-11D2-9088-00C04FA35CFA}\1.0\FLAGS	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83F57D68-CA9A-11D2-9088-00C04FA35CFA}\1.0\FLAGS\ = "0"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1AEFCC20-7A24-11D2-98B0-C69BEB4B5B6D}\ProxyStubClsid32	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA7-591C-11D0-BF52-0020AF32BD64}\InProcServer32\ThreadingModel = "Apartment"	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA3-591C-11D0-BF52-0020AF32BD64}\VersionIndependentProgID\ = "Borland.Midas_DSCursor"	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA7-591C-11D0-BF52-0020AF32BD64}\ = "Borland Midas DatapacketRead"	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1AEFCC20-7A24-11D2-98B0-C69BEB4B5B6D}\TypeLib\Version = "1.0"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DSBase	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA3-591C-11D0-BF52-0020AF32BD64}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CJ_ZJJJS_BX2.1\\MIDAS.DLL"	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DatapacketWrite.1\Clsid\ = "{9E8D2FA5-591C-11D0-BF52-0020AF32BD64}"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DSBase\CurVer	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA1-591C-11D0-BF52-0020AF32BD64}	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA7-591C-11D0-BF52-0020AF32BD64}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CJ_ZJJJS_BX2.1\\MIDAS.DLL"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DSBase\Clsid	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DSBase.1	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DSBase.1\ = "Borland Midas DSBase 1"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DSCursor\Clsid	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DSCursor\CurVer\ = "Borland.Midas_DSCursor.1"	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DSCursor.1\Clsid\ = "{9E8D2FA3-591C-11D0-BF52-0020AF32BD64}"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83F57D68-CA9A-11D2-9088-00C04FA35CFA}\1.0\HELPDIR	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DSBase\ = "Borland Midas DSBase Current"	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DSBase\Clsid\ = "{9E8D2FA1-591C-11D0-BF52-0020AF32BD64}"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA3-591C-11D0-BF52-0020AF32BD64}\InProcServer32	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DatapacketWrite.1	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA5-591C-11D0-BF52-0020AF32BD64}	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83F57D68-CA9A-11D2-9088-00C04FA35CFA}	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DSCursor\Clsid\ = "{9E8D2FA3-591C-11D0-BF52-0020AF32BD64}"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA3-591C-11D0-BF52-0020AF32BD64}\ProgID	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DSBase\CurVer\ = "Borland.Midas_DSBase.1"	ExamBible.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Borland.Midas_DSCursor.1\Clsid	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA3-591C-11D0-BF52-0020AF32BD64}\ = "Borland Midas DSCursor 1"	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1AEFCC20-7A24-11D2-98B0-C69BEB4B5B6D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA7-591C-11D0-BF52-0020AF32BD64}\ProgID\ = "Borland.Midas_DatapacketRead.1"	ExamBible.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E8D2FA5-591C-11D0-BF52-0020AF32BD64}\ = "Borland Midas DatapacketWrite"	ExamBible.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2692	ExamBible.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
2692	ExamBible.exe
2692	ExamBible.exe
2692	ExamBible.exe
2692	ExamBible.exe
2692	ExamBible.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2692	ExamBible.exe
2692	ExamBible.exe

C:\Users\Admin\AppData\Local\Temp\CJ_ZJJJS_BX2.1\ExamBible.exe
"C:\Users\Admin\AppData\Local\Temp\CJ_ZJJJS_BX2.1\ExamBible.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CJ_ZJJJS_BX2.1\Menu\Test.html

Filesize
246KB

MD5
fe8ff213cc13ae469ce718658ddf08a3

SHA1
7d71c0c527f596771c86d36d5ab571023e8b8e88

SHA256
c65a9747c08845f57cd1dbb5c580f4ede368b92f3b31ea95d2476716179bcde8

SHA512
d68050edbfc1d269f6156d364a827fb3ecdc5dffd77a852cc72546709c1e54b5d616a3639afd3340329ac7ba61d0983435a76c95e02f87dc4d61f2a1e881d5bb

Download Submit
memory/2692-12-0x0000000002520000-0x0000000002660000-memory.dmp

Filesize
1.2MB

Download
memory/2692-5-0x0000000002520000-0x0000000002660000-memory.dmp

Filesize
1.2MB

Download
memory/2692-13-0x0000000000405000-0x0000000000406000-memory.dmp

Filesize
4KB

Download
memory/2692-10-0x0000000002520000-0x0000000002660000-memory.dmp

Filesize
1.2MB

Download
memory/2692-9-0x0000000002520000-0x0000000002660000-memory.dmp

Filesize
1.2MB

Download
memory/2692-14-0x0000000000400000-0x000000000078A000-memory.dmp

Filesize
3.5MB

Download
memory/2692-8-0x0000000002520000-0x0000000002660000-memory.dmp

Filesize
1.2MB

Download
memory/2692-0-0x0000000000400000-0x000000000078A000-memory.dmp

Filesize
3.5MB

Download
memory/2692-3-0x0000000002520000-0x0000000002660000-memory.dmp

Filesize
1.2MB

Download
memory/2692-7-0x0000000002520000-0x0000000002660000-memory.dmp

Filesize
1.2MB

Download
memory/2692-6-0x0000000002520000-0x0000000002660000-memory.dmp

Filesize
1.2MB

Download
memory/2692-4-0x0000000002520000-0x0000000002660000-memory.dmp

Filesize
1.2MB

Download
memory/2692-2-0x0000000002520000-0x0000000002660000-memory.dmp

Filesize
1.2MB

Download
memory/2692-15-0x0000000000400000-0x000000000078A000-memory.dmp

Filesize
3.5MB

Download
memory/2692-1-0x0000000000020000-0x000000000002B000-memory.dmp

Filesize
44KB

Download
memory/2692-43-0x0000000000400000-0x000000000078A000-memory.dmp

Filesize
3.5MB

Download
memory/2692-44-0x000000004DAE0000-0x000000004DB31000-memory.dmp

Filesize
324KB

Download
memory/2692-50-0x000000004DAE0000-0x000000004DB31000-memory.dmp

Filesize
324KB

Download