mylobot | a390fd48a51775634960a05a3550f91762027f9f70089633969bc9e5f9ffd189

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	4a57e9d4f8911e67ef0eef1b81749dc0N.exe

Mylobot
Botnet which first appeared in 2017 written in C++.
botnet mylobot
Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality

UAC bypass 3 TTPs 1 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	4a57e9d4f8911e67ef0eef1b81749dc0N.exe

Windows security bypass 2 TTPs 6 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	4a57e9d4f8911e67ef0eef1b81749dc0N.exe

Deletes itself 1 IoCs

pid	Process
1708	svchost.exe

UPX packed file 10 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2452-3-0x00000000005E0000-0x000000000166E000-memory.dmp	upx
behavioral1/memory/2452-9-0x00000000005E0000-0x000000000166E000-memory.dmp	upx
behavioral1/memory/2452-7-0x00000000005E0000-0x000000000166E000-memory.dmp	upx
behavioral1/memory/2452-10-0x00000000005E0000-0x000000000166E000-memory.dmp	upx
behavioral1/memory/2452-8-0x00000000005E0000-0x000000000166E000-memory.dmp	upx
behavioral1/memory/2452-71-0x00000000005E0000-0x000000000166E000-memory.dmp	upx
behavioral1/memory/2452-5-0x00000000005E0000-0x000000000166E000-memory.dmp	upx
behavioral1/memory/2452-6-0x00000000005E0000-0x000000000166E000-memory.dmp	upx
behavioral1/memory/2452-11-0x00000000005E0000-0x000000000166E000-memory.dmp	upx
behavioral1/memory/2452-4-0x00000000005E0000-0x000000000166E000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	4a57e9d4f8911e67ef0eef1b81749dc0N.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\{BAB8B538-97AE-4475-D5D1-50B0F79888C6} = "c:\\programdata\\{26A89D08-BF9E-D865-D5D1-50B0F79888C6}\\8b174d97.exe"	svchost.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	4a57e9d4f8911e67ef0eef1b81749dc0N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2452 set thread context of 2928	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	31

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	4a57e9d4f8911e67ef0eef1b81749dc0N.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\CLSID\{7C8DBAF5-9863-8240-D5D1-50B0F79888C6}	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\CLSID\{26A89D0B-BF9D-D865-D5D1-50B0F79888C6}	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\CLSID\{26A89D0B-BF9D-D865-D5D1-50B0F79888C6}\ = "1721267702"	svchost.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
2928	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
2928	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
1708	svchost.exe
1708	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2928	4a57e9d4f8911e67ef0eef1b81749dc0N.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe
Token: SeDebugPrivilege	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 1104	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	19
PID 2452 wrote to memory of 1168	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	20
PID 2452 wrote to memory of 1216	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	21
PID 2452 wrote to memory of 496	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	25
PID 2452 wrote to memory of 2928	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	31
PID 2452 wrote to memory of 2928	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	31
PID 2452 wrote to memory of 2928	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	31
PID 2452 wrote to memory of 2928	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	31
PID 2452 wrote to memory of 2928	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	31
PID 2452 wrote to memory of 2928	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	31
PID 2452 wrote to memory of 2928	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	31
PID 2452 wrote to memory of 2928	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	31
PID 2452 wrote to memory of 2928	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	31
PID 2452 wrote to memory of 2928	2452	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	31
PID 2928 wrote to memory of 1708	2928	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	32
PID 2928 wrote to memory of 1708	2928	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	32
PID 2928 wrote to memory of 1708	2928	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	32
PID 2928 wrote to memory of 1708	2928	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	32
PID 2928 wrote to memory of 1708	2928	4a57e9d4f8911e67ef0eef1b81749dc0N.exe	32
PID 1708 wrote to memory of 2452	1708	svchost.exe	30
PID 1708 wrote to memory of 2452	1708	svchost.exe	30
PID 1708 wrote to memory of 2836	1708	svchost.exe	33
PID 1708 wrote to memory of 2836	1708	svchost.exe	33
PID 1708 wrote to memory of 2836	1708	svchost.exe	33
PID 1708 wrote to memory of 2836	1708	svchost.exe	33
PID 1708 wrote to memory of 2836	1708	svchost.exe	33
PID 1708 wrote to memory of 2836	1708	svchost.exe	33

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	4a57e9d4f8911e67ef0eef1b81749dc0N.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\4a57e9d4f8911e67ef0eef1b81749dc0N.exe
  "C:\Users\Admin\AppData\Local\Temp\4a57e9d4f8911e67ef0eef1b81749dc0N.exe"
  2⤵
  - Modifies firewall policy service
  - UAC bypass
  - Windows security bypass
  - Windows security modification
  - Checks whether UAC is enabled
  - Suspicious use of SetThreadContext
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2452
- - C:\Users\Admin\AppData\Local\Temp\4a57e9d4f8911e67ef0eef1b81749dc0N.exe
    "C:\Users\Admin\AppData\Local\Temp\4a57e9d4f8911e67ef0eef1b81749dc0N.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2928
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      4⤵
      Deletes itself
      Adds Run key to start application
      Modifies registry class
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:1708
    - - C:\Windows\SysWOW64\notepad.exe
        
        "C:\Windows\system32\notepad.exe"
        5⤵
        
        PID:2836

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:496

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

Create or Modify System Process

T1543

Windows Service

T1543.003

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

Modify Registry