49f236dbcde6f32d6573c8d4ca9922b4f9a60a18aacea5c2421d08997ef14a33

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 19:18

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General

Target

0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe
Size

112KB
MD5

f004f9006a9593085ea7b8137b1a49b0
SHA1

f934c59beed0e2ce22f7e599ca044896891e6b50
SHA256

0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232
SHA512

a92dd14212f3e2bfcb28367156dcb1812e127f36d7d20000a1f9e2349f9d9cc7576672dbdcbb8bd0834a6eb06ff8ef4b039483c63c3aae5aab7e2aad1b95e345
SSDEEP

1536:nUYy7yep5ACr/BTHVrWRNUFhipHo6JiAXE7ddHQ:Eyep5AKIRTjpE7ddH

Score

10^/10

discovery evasion persistence privilege_escalation 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"	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1540	netsh.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.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\Microsoft Update = "C:\\Windows\\dllhost.exe"	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\dllhost.exe	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe
File opened for modification	C:\Windows\dllhost.exe	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeBackupPrivilege	2796	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2796	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe
2796	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 1540	2796	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe	29
PID 2796 wrote to memory of 1540	2796	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe	29
PID 2796 wrote to memory of 1540	2796	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe	29
PID 2796 wrote to memory of 1540	2796	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe	29
PID 2796 wrote to memory of 3008	2796	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe	30
PID 2796 wrote to memory of 3008	2796	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe	30
PID 2796 wrote to memory of 3008	2796	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe	30
PID 2796 wrote to memory of 3008	2796	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe	30
PID 2796 wrote to memory of 2972	2796	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe	31
PID 2796 wrote to memory of 2972	2796	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe	31
PID 2796 wrote to memory of 2972	2796	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe	31
PID 2796 wrote to memory of 2972	2796	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe	31
PID 2972 wrote to memory of 2672	2972	net.exe	35
PID 2972 wrote to memory of 2672	2972	net.exe	35
PID 2972 wrote to memory of 2672	2972	net.exe	35
PID 2972 wrote to memory of 2672	2972	net.exe	35
PID 3008 wrote to memory of 2816	3008	net.exe	36
PID 3008 wrote to memory of 2816	3008	net.exe	36
PID 3008 wrote to memory of 2816	3008	net.exe	36
PID 3008 wrote to memory of 2816	3008	net.exe	36

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe

C:\Users\Admin\AppData\Local\Temp\0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe
"C:\Users\Admin\AppData\Local\Temp\0b42c766b056ee3a04b2e0b833c4f42e1520516e047330df3c5640dfcc492232.exe"
1⤵
- UAC bypass
- Windows security bypass
- Windows security modification
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2796
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall set opmode disable
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:1540
- C:\Windows\SysWOW64\net.exe
  net stop security center
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3008
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop security center
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2816
- C:\Windows\SysWOW64\net.exe
  net stop WinDefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2972
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop WinDefend
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2672