cb875bdb6314c7e7edefa075640162eb99cf088f72fe18a18584761c092efad8

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07-03-2024 16:52

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General

Target

b93127274edde80050d425d8306ef03e.exe
Size

2.4MB
MD5

b93127274edde80050d425d8306ef03e
SHA1

404d8306b2a391bf744490d993ac6059144da2c6
SHA256

cb875bdb6314c7e7edefa075640162eb99cf088f72fe18a18584761c092efad8
SHA512

d9ba993be85d0d08b7a719ce955498a1ae9c27cfb5d595fc689507d9832b049a78970cbda810093786e9ce3348e9809e1d59335d009ab02061f965c7d1105f1c
SSDEEP

49152:Tj9EMp9bpMd3nHHGg1rKlmAYkGtUx7lBhKCn+tYjd2lP+6+o:TK9rsrYjY7lD3+tUd2l2

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	reg.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\SysWOW64\drivers\atualizada.sys	b93127274edde80050d425d8306ef03e.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\atualizada\ImagePath = "system32\\drivers\\atualizada.sys"	b93127274edde80050d425d8306ef03e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Windows\\Copa.exe"	b93127274edde80050d425d8306ef03e.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Copa.exe	b93127274edde80050d425d8306ef03e.exe
File opened for modification	C:\Windows\Copa.exe	b93127274edde80050d425d8306ef03e.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
4736	reg.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4336	b93127274edde80050d425d8306ef03e.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
664	Process not Found
664	Process not Found

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4336	b93127274edde80050d425d8306ef03e.exe
4336	b93127274edde80050d425d8306ef03e.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4336 wrote to memory of 5036	4336	b93127274edde80050d425d8306ef03e.exe	88
PID 4336 wrote to memory of 5036	4336	b93127274edde80050d425d8306ef03e.exe	88
PID 4336 wrote to memory of 5036	4336	b93127274edde80050d425d8306ef03e.exe	88
PID 5036 wrote to memory of 4736	5036	cmd.exe	90
PID 5036 wrote to memory of 4736	5036	cmd.exe	90
PID 5036 wrote to memory of 4736	5036	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\b93127274edde80050d425d8306ef03e.exe
"C:\Users\Admin\AppData\Local\Temp\b93127274edde80050d425d8306ef03e.exe"
1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4336
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\System32\cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5036
- - C:\Windows\SysWOW64\reg.exe
    C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
    3⤵
    - UAC bypass
    - Modifies registry key
    PID:4736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4336-0-0x0000000000400000-0x0000000001A40000-memory.dmp

Filesize
22.2MB

Download
memory/4336-1-0x00000000037A0000-0x00000000037A1000-memory.dmp

Filesize
4KB

Download
memory/4336-4-0x0000000006810000-0x0000000006811000-memory.dmp

Filesize
4KB

Download
memory/4336-113-0x0000000000400000-0x0000000001A40000-memory.dmp

Filesize
22.2MB

Download
memory/4336-115-0x00000000037A0000-0x00000000037A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads