55209ba61fc01e581f7a7ab6063895801f93d91ef98109b9c15c227798d88edd

Analysis

max time kernel
178s
max time network
223s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2022 13:02

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General

Target

55209ba61fc01e581f7a7ab6063895801f93d91ef98109b9c15c227798d88edd.exe
Size

185KB
MD5

20016ceaec18cd6152ded1b2c97196a0
SHA1

c02498f5da7b637aee1dcf8fa927f2f8037d2884
SHA256

55209ba61fc01e581f7a7ab6063895801f93d91ef98109b9c15c227798d88edd
SHA512

1e0ceb381928c9afa99b804352a35a0bdd6e65e179a8c7de9c8b0dd4673afe649b5c562c350cb22bb332aa78ffb64dec744f45bd2b8a363d0aa3734d17c28f11
SSDEEP

3072:vme21DDLivWp5+aI+BiMBMwomF+gEP4XlMJIduucgSkc3DRSQVU1YFL5YftIQkqP:2/LivWWsBMvgECqIduXgSkc3DRSsU29A

Score

8^/10

persistence 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/4744-132-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/4744-133-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Administrator\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Bf.exe	55209ba61fc01e581f7a7ab6063895801f93d91ef98109b9c15c227798d88edd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	55209ba61fc01e581f7a7ab6063895801f93d91ef98109b9c15c227798d88edd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Avast·´²¡¶¾ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\55209ba61fc01e581f7a7ab6063895801f93d91ef98109b9c15c227798d88edd.exe"	55209ba61fc01e581f7a7ab6063895801f93d91ef98109b9c15c227798d88edd.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	55209ba61fc01e581f7a7ab6063895801f93d91ef98109b9c15c227798d88edd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	55209ba61fc01e581f7a7ab6063895801f93d91ef98109b9c15c227798d88edd.exe

C:\Users\Admin\AppData\Local\Temp\55209ba61fc01e581f7a7ab6063895801f93d91ef98109b9c15c227798d88edd.exe
"C:\Users\Admin\AppData\Local\Temp\55209ba61fc01e581f7a7ab6063895801f93d91ef98109b9c15c227798d88edd.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Checks processor information in registry
PID:4744

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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

memory/4744-132-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

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memory/4744-133-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download