a3e0d50eb75e1b0a4134cbd25989401d91e3a2eeb1dedd6754b7d02565b3628e

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06-03-2024 03:25

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General

Target

b6630bfe061ef4b43b126faa235ec6ef.exe
Size

32KB
MD5

b6630bfe061ef4b43b126faa235ec6ef
SHA1

ff8371e7d928300815226cf5dd7866c6f01e789b
SHA256

a3e0d50eb75e1b0a4134cbd25989401d91e3a2eeb1dedd6754b7d02565b3628e
SHA512

624e66219cf1ce14ea9d5ec1693e306c07c49d67f9949974779d6cb997b48ace4ce7749565c2d86c905950d67faebcb2fe4276fcd1a0a1116141b9deafb291f3
SSDEEP

768:VdvnkDn6EZM5ILR1zdsNr4Pcy6iwm/qdwbtvf/kL4fF5jKcOuJ/sWF:rkOEj5sNMPcy6Iidw1sA5jK0J/1

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4968-0-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral2/memory/4968-1-0x0000000000400000-0x000000000041B000-memory.dmp	upx

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\E:	b6630bfe061ef4b43b126faa235ec6ef.exe

Drops autorun.inf file 1 TTPs 1 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File created	\??\E:\AutoRun.Inf	b6630bfe061ef4b43b126faa235ec6ef.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Internet Explorer\PLUGINS\SysWin7s.Jmp	b6630bfe061ef4b43b126faa235ec6ef.exe
File created	C:\Program Files\Internet Explorer\PLUGINS\WinSys8x.Sys	b6630bfe061ef4b43b126faa235ec6ef.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7671889D-CC99-4335-BAC8-48088F1045A4}	b6630bfe061ef4b43b126faa235ec6ef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7671889D-CC99-4335-BAC8-48088F1045A4}\	b6630bfe061ef4b43b126faa235ec6ef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7671889D-CC99-4335-BAC8-48088F1045A4}\InProcServer32	b6630bfe061ef4b43b126faa235ec6ef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7671889D-CC99-4335-BAC8-48088F1045A4}\InProcServer32\ = "C:\\Program Files\\Internet Explorer\\PLUGINS\\WinSys8x.Sys"	b6630bfe061ef4b43b126faa235ec6ef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7671889D-CC99-4335-BAC8-48088F1045A4}\InProcServer32\ThreadingModel = "Apartment"	b6630bfe061ef4b43b126faa235ec6ef.exe

C:\Users\Admin\AppData\Local\Temp\b6630bfe061ef4b43b126faa235ec6ef.exe
"C:\Users\Admin\AppData\Local\Temp\b6630bfe061ef4b43b126faa235ec6ef.exe"
1⤵
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Modifies registry class
PID:4968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4968-0-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4968-1-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads