a01b77c2054ed422cff3e01bd19c891312e704990c391f90429758d0fa00c3ae

Analysis

max time kernel
169s
max time network
181s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2022 06:12

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General

Target

a01b77c2054ed422cff3e01bd19c891312e704990c391f90429758d0fa00c3ae.exe
Size

846KB
MD5

e34e13fb33c1833e907f4baf884c6b02
SHA1

c83fc7276c2a36a2ddbc4d41f3fc3d4a439ed165
SHA256

a01b77c2054ed422cff3e01bd19c891312e704990c391f90429758d0fa00c3ae
SHA512

fe3da0ecf696af7293f027ad6572fd61cbb090b83f10b0a096e8c136fd12ceb01912e89e9cdc514caa3b72498308aef3a11fb077d833ea99dec0869b8d9b6d2c
SSDEEP

12288:SQdrqWXmAIcbDCntXNxssSTFtbEkDk7rg3HOsSjubLun8FYlnbJdvE:SIOwIcbDuMhFDGYHy83Fg9h

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "c:\\svchost32.exe"	a01b77c2054ed422cff3e01bd19c891312e704990c391f90429758d0fa00c3ae.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4904	netsh.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	\??\c:\windows\SysWOW64\svchost32.exe	a01b77c2054ed422cff3e01bd19c891312e704990c391f90429758d0fa00c3ae.exe
File opened for modification	\??\c:\windows\SysWOW64\svchost32.exe	a01b77c2054ed422cff3e01bd19c891312e704990c391f90429758d0fa00c3ae.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5024 wrote to memory of 4904	5024	a01b77c2054ed422cff3e01bd19c891312e704990c391f90429758d0fa00c3ae.exe	80
PID 5024 wrote to memory of 4904	5024	a01b77c2054ed422cff3e01bd19c891312e704990c391f90429758d0fa00c3ae.exe	80
PID 5024 wrote to memory of 4904	5024	a01b77c2054ed422cff3e01bd19c891312e704990c391f90429758d0fa00c3ae.exe	80

C:\Users\Admin\AppData\Local\Temp\a01b77c2054ed422cff3e01bd19c891312e704990c391f90429758d0fa00c3ae.exe
"C:\Users\Admin\AppData\Local\Temp\a01b77c2054ed422cff3e01bd19c891312e704990c391f90429758d0fa00c3ae.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:5024
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram program = "C:\Users\Admin\AppData\Local\Temp\a01b77c2054ed422cff3e01bd19c891312e704990c391f90429758d0fa00c3ae.exe" name = Security3 mode = ENABLE scope = ALL
  2⤵
  - Modifies Windows Firewall
  PID:4904

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4904-132-0x0000000000000000-mapping.dmp

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