dad5fcc1e2c3e28725f4b55c79f5334a70a81bdd4eee06dbd783eb25a2908c0d

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
15-07-2024 10:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

UB Downloads/UB Silent/w11 fix.bat
Size

507B
MD5

6fb44052dc5a85a097feeb91d7a81712
SHA1

29db33e6cf3286a6ba82af684ac535d42b43d257
SHA256

7ec1b31de3b0114c266df0b475c5c582a504c7c38f7127949df27f78a5d1c026
SHA512

ee9dbcc0a7340ec6fe968ba611f0849fd1b77b88cb5deaad4c6a516a417abaf14055021e949ca04fde979364f060504c911fede81b0c492b651ea1b3f246494a

Score

9^/10

evasion execution ransomware

Malware Config

Signatures

Modifies boot configuration data using bcdedit 1 TTPs 1 IoCs
ransomware evasion

Inhibit System Recovery
T1490

Processes:

bcdedit.exe

pid process

548 bcdedit.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

2440 powershell.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

reg.exe

pid process

2792 reg.exe
Runs net.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

2440 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2440 powershell.exe

pid	process
548	bcdedit.exe

pid	process
2440	powershell.exe

pid	process
2792	reg.exe

pid	process
2440	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2440	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

cmd.exenet.exe

description	pid	process	target process
PID 2296 wrote to memory of 2332	2296	cmd.exe	net.exe
PID 2296 wrote to memory of 2332	2296	cmd.exe	net.exe
PID 2296 wrote to memory of 2332	2296	cmd.exe	net.exe
PID 2332 wrote to memory of 1368	2332	net.exe	net1.exe
PID 2332 wrote to memory of 1368	2332	net.exe	net1.exe
PID 2332 wrote to memory of 1368	2332	net.exe	net1.exe
PID 2296 wrote to memory of 548	2296	cmd.exe	bcdedit.exe
PID 2296 wrote to memory of 548	2296	cmd.exe	bcdedit.exe
PID 2296 wrote to memory of 548	2296	cmd.exe	bcdedit.exe
PID 2296 wrote to memory of 2440	2296	cmd.exe	powershell.exe
PID 2296 wrote to memory of 2440	2296	cmd.exe	powershell.exe
PID 2296 wrote to memory of 2440	2296	cmd.exe	powershell.exe
PID 2296 wrote to memory of 2792	2296	cmd.exe	reg.exe
PID 2296 wrote to memory of 2792	2296	cmd.exe	reg.exe
PID 2296 wrote to memory of 2792	2296	cmd.exe	reg.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\UB Downloads\UB Silent\w11 fix.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2296

C:\Windows\system32\net.exe
net session
2⤵
- Suspicious use of WriteProcessMemory
PID:2332

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 session
3⤵
PID:1368

C:\Windows\system32\bcdedit.exe
bcdedit /set hypervisorlaunchtype off
2⤵
- Modifies boot configuration data using bcdedit
PID:548

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy Bypass -Command "Disable-WindowsOptionalFeature -Online -FeatureName Microsoft-Hyper-V-All"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2440

C:\Windows\system32\reg.exe
reg add HKLM\SYSTEM\CurrentControlSet\Control\CI\Config /v VulnerableDriverBlocklistEnable /t REG_DWORD /d 0x000000
2⤵
- Modifies registry key
PID:2792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2440-4-0x000007FEF572E000-0x000007FEF572F000-memory.dmp

Filesize
4KB

Download
memory/2440-5-0x000000001B2D0000-0x000000001B5B2000-memory.dmp

Filesize
2.9MB

Download
memory/2440-6-0x0000000002720000-0x0000000002728000-memory.dmp

Filesize
32KB

Download
memory/2440-7-0x000007FEF5470000-0x000007FEF5E0D000-memory.dmp

Filesize
9.6MB

Download
memory/2440-8-0x000007FEF5470000-0x000007FEF5E0D000-memory.dmp

Filesize
9.6MB

Download
memory/2440-9-0x000007FEF5470000-0x000007FEF5E0D000-memory.dmp

Filesize
9.6MB

Download
memory/2440-10-0x000007FEF5470000-0x000007FEF5E0D000-memory.dmp

Filesize
9.6MB

Download
memory/2440-11-0x000007FEF5470000-0x000007FEF5E0D000-memory.dmp

Filesize
9.6MB

Download