b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b

General

Target

b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Size

2.2MB
MD5

c166af14b4b014dfd2efda8e0a0953e2
SHA1

51fff04518efa2a7a4ffb365c6ab5f66028aea96
SHA256

b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b
SHA512

b724181d25f3f55d2ef56e8e7e752bf3a46f27017ce0ea00f8b571e4e872cd6102f3392647da00e4b255d512584a617c7df5dbe6ba1c87ead71cd28f214e742d

Score

6^/10

bootkit 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
T1067

Processes:

b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe

description ioc process

File opened for modification \??\PhysicalDrive0 b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

Processes:

b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_VALIDATE_NAVIGATE_URL\b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe = "1"	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WEBOC_POPUPMANAGEMENT\b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe = "0"	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WEBSOCKET	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_IVIEWOBJECTDRAW_DMLT9_WITH_GDI\b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe = "0"	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_AJAX_CONNECTIONEVENTS	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_GPU_RENDERING	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_IVIEWOBJECTDRAW_DMLT9_WITH_GDI	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_STATUS_BAR_THROTTLING	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WINDOW_RESTRICTIONS\b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe = "0"	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_GPU_RENDERING\b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe = "1"	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_NINPUT_LEGACYMODE\b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe = "0"	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_DISABLE_NAVIGATION_SOUNDS	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_VALIDATE_NAVIGATE_URL	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_AJAX_CONNECTIONEVENTS\b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe = "1"	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WEBOC_POPUPMANAGEMENT	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WEBSOCKET\b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe = "1"	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_SCRIPTURL_MITIGATION\b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe = "1"	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ADDON_MANAGEMENT	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WEBOC_DOCUMENT_ZOOM	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_SCRIPTURL_MITIGATION	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_STATUS_BAR_THROTTLING\b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe = "1"	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WEBOC_DOCUMENT_ZOOM\b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe = "0"	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WINDOW_RESTRICTIONS	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_NINPUT_LEGACYMODE	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_DISABLE_NAVIGATION_SOUNDS\b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe = "1"	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_SPELLCHECKING\b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe = "0"	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ADDON_MANAGEMENT\b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe = "0"	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe = "11000"	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_SPELLCHECKING	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe

pid	process
1932	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
1932	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
1932	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
1932	b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe

C:\Users\Admin\AppData\Local\Temp\b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe
"C:\Users\Admin\AppData\Local\Temp\b4721a41dd1792abc66ac149fa1a4aa3c8bfc464428773467a6850b206b8f97b.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
PID:1932

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1

T1067

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1932-54-0x00000000762C1000-0x00000000762C3000-memory.dmp

Filesize
8KB

Download

Analysis

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