7c0b9bceed390f7f28135431c09ac51469ee8e2b8095fb36a37315d811d9ba9c

Analysis

max time kernel
23s
max time network
30s
platform
windows11-21h2_x64
resource
win11-20231215-en
resource tags

arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
submitted
22-12-2023 01:56

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General

Target

MBSetup.exe
Size

2.5MB
MD5

1e885823577394ea61ea89438ffe2954
SHA1

e53e96f7374790bdad8a614949b398b055c3a27b
SHA256

7c0b9bceed390f7f28135431c09ac51469ee8e2b8095fb36a37315d811d9ba9c
SHA512

73f600833dad0047b6444110d722dc95237b38bb486abc7fc8e4f59b69e2154c885fb46d65f488d5139a0b6e76ebde33ea72711c7f58436650ef992fb8995627
SSDEEP

49152:Lw3ye9SPQ1sjDAVj+JeRanStQyfvE0Z3R0nxiIq2ddAsuysSiSF:4yeoCVj+c6KtQRq2ADSiSF

Score

8^/10

discovery

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

Processes:

MBSetup.exe

description ioc process

File created C:\Windows\SysWOW64\drivers\mbamtestfile.dat MBSetup.exe

description	ioc	process
File created	C:\Windows\SysWOW64\drivers\mbamtestfile.dat	MBSetup.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MBSetup.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	MBSetup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	MBSetup.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 3 IoCs

Processes:

MBSetup.exe

description	ioc	process
File created	C:\Program Files\Malwarebytes\Anti-Malware\MBAMInstallerService.exe	MBSetup.exe
File created	C:\Program Files (x86)\mbamtestfile.dat	MBSetup.exe
File created	C:\Program Files\Malwarebytes\Anti-Malware\b996ce7e-cd16-424e-aeee-5bfa923f0198	MBSetup.exe

Executes dropped EXE 1 IoCs

Processes:

MBAMInstallerService.exe

pid process

1020 MBAMInstallerService.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MBSetup.exe

pid process

5064 MBSetup.exe
5064 MBSetup.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

MBSetup.exe

pid process

5064 MBSetup.exe

pid	process
1020	MBAMInstallerService.exe

pid	process
5064	MBSetup.exe
5064	MBSetup.exe

pid	process
5064	MBSetup.exe

C:\Users\Admin\AppData\Local\Temp\MBSetup.exe
"C:\Users\Admin\AppData\Local\Temp\MBSetup.exe"
1⤵
- Drops file in Drivers directory
- Checks BIOS information in registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
PID:5064

C:\Program Files\Malwarebytes\Anti-Malware\MBAMInstallerService.exe
"C:\Program Files\Malwarebytes\Anti-Malware\MBAMInstallerService.exe"
1⤵
- Executes dropped EXE
PID:1020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Malwarebytes\Anti-Malware\MBAMInstallerService.exe
Filesize
190KB

MD5
9803ceeac3a569d9b4ee5964752cdfe1

SHA1
8cfff1dfc6a75040f494b3330a724e3500a84358

SHA256
830ad00e995ce8b2271439d7b64d030680eb44d1c46c320746d98a7f87053e01

SHA512
e8b05e5cfb5408845bb9434d493b44f23dc5695393b73064e8b8e2648517e81ccc817e185ba52ea968c041a1ab14637d216cb8acdfbbc7c03a2d7dafc3f19e9f

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