bfbec48caba5a2c6cb58da13eb9a3b2b1ab987a10ec3b0cf63dff096a7cd8d76

Analysis

max time kernel
148s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 07:53

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General

Target

74248b6cb266e0c8ed38fa7448f8766c.exe
Size

688KB
MD5

74248b6cb266e0c8ed38fa7448f8766c
SHA1

8063829b6e7b79a4feca2fcccf6030ca7773fe20
SHA256

bfbec48caba5a2c6cb58da13eb9a3b2b1ab987a10ec3b0cf63dff096a7cd8d76
SHA512

068944878afd799684f975dcac088c5639136cf9860bdfe91bfcd17e6c2e01a05b8bda952ef78d51b5b272ef673dd5d29a547e2e3c2997ec585a8487417ad764
SSDEEP

12288:e73yX6n3+kPUiyT96ce9NQFZZ5rP2xOt4vvGvY5zLQXXIPWlD9jSeQ+zLHhT:L5PFtroOt43GvYFQnIPuOD+zLHhT

Score

10^/10

bootkit evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 10 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\74248b6cb266e0c8ed38fa7448f8766c.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\74248b6cb266e0c8ed38fa7448f8766c.exe:*:Enabled:Windows Messanger"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\win36.exe = "C:\\Users\\Admin\\AppData\\Roaming\\win36.exe:*:Enabled:Windows Messanger"	reg.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\windows = "C:\\Users\\Admin\\AppData\\Roaming\\win36.exe"	74248b6cb266e0c8ed38fa7448f8766c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	74248b6cb266e0c8ed38fa7448f8766c.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{D6F75CDF-AA8A-E360-FB90-BDBF2E166BEA}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\win36.exe"	74248b6cb266e0c8ed38fa7448f8766c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{D6F75CDF-AA8A-E360-FB90-BDBF2E166BEA}	74248b6cb266e0c8ed38fa7448f8766c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{D6F75CDF-AA8A-E360-FB90-BDBF2E166BEA}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\win36.exe"	74248b6cb266e0c8ed38fa7448f8766c.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{D6F75CDF-AA8A-E360-FB90-BDBF2E166BEA}	74248b6cb266e0c8ed38fa7448f8766c.exe

Adds Run key to start application 2 TTPs 2 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\windows = "C:\\Users\\Admin\\AppData\\Roaming\\win36.exe"	74248b6cb266e0c8ed38fa7448f8766c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\windows = "C:\\Users\\Admin\\AppData\\Roaming\\win36.exe"	74248b6cb266e0c8ed38fa7448f8766c.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	74248b6cb266e0c8ed38fa7448f8766c.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 224 set thread context of 4752	224	74248b6cb266e0c8ed38fa7448f8766c.exe	91
PID 4752 set thread context of 1908	4752	74248b6cb266e0c8ed38fa7448f8766c.exe	92

Modifies registry key 1 TTPs 4 IoCs

Modify Registry

T1112

pid	Process
1060	reg.exe
1932	reg.exe
1516	reg.exe
4620	reg.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: 1	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeCreateTokenPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeAssignPrimaryTokenPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeLockMemoryPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeIncreaseQuotaPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeMachineAccountPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeTcbPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeSecurityPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeTakeOwnershipPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeLoadDriverPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeSystemProfilePrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeSystemtimePrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeProfSingleProcessPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeIncBasePriorityPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeCreatePagefilePrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeCreatePermanentPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeBackupPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeRestorePrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeShutdownPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeDebugPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeAuditPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeSystemEnvironmentPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeChangeNotifyPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeRemoteShutdownPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeUndockPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeSyncAgentPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeEnableDelegationPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeManageVolumePrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeImpersonatePrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeCreateGlobalPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: 31	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: 32	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: 33	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: 34	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: 35	1908	74248b6cb266e0c8ed38fa7448f8766c.exe
Token: SeDebugPrivilege	1908	74248b6cb266e0c8ed38fa7448f8766c.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
224	74248b6cb266e0c8ed38fa7448f8766c.exe
4752	74248b6cb266e0c8ed38fa7448f8766c.exe
1908	74248b6cb266e0c8ed38fa7448f8766c.exe
1908	74248b6cb266e0c8ed38fa7448f8766c.exe
1908	74248b6cb266e0c8ed38fa7448f8766c.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 4752	224	74248b6cb266e0c8ed38fa7448f8766c.exe	91
PID 224 wrote to memory of 4752	224	74248b6cb266e0c8ed38fa7448f8766c.exe	91
PID 224 wrote to memory of 4752	224	74248b6cb266e0c8ed38fa7448f8766c.exe	91
PID 224 wrote to memory of 4752	224	74248b6cb266e0c8ed38fa7448f8766c.exe	91
PID 224 wrote to memory of 4752	224	74248b6cb266e0c8ed38fa7448f8766c.exe	91
PID 224 wrote to memory of 4752	224	74248b6cb266e0c8ed38fa7448f8766c.exe	91
PID 224 wrote to memory of 4752	224	74248b6cb266e0c8ed38fa7448f8766c.exe	91
PID 224 wrote to memory of 4752	224	74248b6cb266e0c8ed38fa7448f8766c.exe	91
PID 4752 wrote to memory of 1908	4752	74248b6cb266e0c8ed38fa7448f8766c.exe	92
PID 4752 wrote to memory of 1908	4752	74248b6cb266e0c8ed38fa7448f8766c.exe	92
PID 4752 wrote to memory of 1908	4752	74248b6cb266e0c8ed38fa7448f8766c.exe	92
PID 4752 wrote to memory of 1908	4752	74248b6cb266e0c8ed38fa7448f8766c.exe	92
PID 4752 wrote to memory of 1908	4752	74248b6cb266e0c8ed38fa7448f8766c.exe	92
PID 4752 wrote to memory of 1908	4752	74248b6cb266e0c8ed38fa7448f8766c.exe	92
PID 4752 wrote to memory of 1908	4752	74248b6cb266e0c8ed38fa7448f8766c.exe	92
PID 4752 wrote to memory of 1908	4752	74248b6cb266e0c8ed38fa7448f8766c.exe	92
PID 1908 wrote to memory of 2144	1908	74248b6cb266e0c8ed38fa7448f8766c.exe	93
PID 1908 wrote to memory of 2144	1908	74248b6cb266e0c8ed38fa7448f8766c.exe	93
PID 1908 wrote to memory of 2144	1908	74248b6cb266e0c8ed38fa7448f8766c.exe	93
PID 1908 wrote to memory of 4180	1908	74248b6cb266e0c8ed38fa7448f8766c.exe	100
PID 1908 wrote to memory of 4180	1908	74248b6cb266e0c8ed38fa7448f8766c.exe	100
PID 1908 wrote to memory of 4180	1908	74248b6cb266e0c8ed38fa7448f8766c.exe	100
PID 1908 wrote to memory of 3272	1908	74248b6cb266e0c8ed38fa7448f8766c.exe	99
PID 1908 wrote to memory of 3272	1908	74248b6cb266e0c8ed38fa7448f8766c.exe	99
PID 1908 wrote to memory of 3272	1908	74248b6cb266e0c8ed38fa7448f8766c.exe	99
PID 1908 wrote to memory of 2360	1908	74248b6cb266e0c8ed38fa7448f8766c.exe	94
PID 1908 wrote to memory of 2360	1908	74248b6cb266e0c8ed38fa7448f8766c.exe	94
PID 1908 wrote to memory of 2360	1908	74248b6cb266e0c8ed38fa7448f8766c.exe	94
PID 4180 wrote to memory of 4620	4180	cmd.exe	104
PID 4180 wrote to memory of 4620	4180	cmd.exe	104
PID 4180 wrote to memory of 4620	4180	cmd.exe	104
PID 2360 wrote to memory of 1516	2360	cmd.exe	103
PID 2360 wrote to memory of 1516	2360	cmd.exe	103
PID 2360 wrote to memory of 1516	2360	cmd.exe	103
PID 3272 wrote to memory of 1932	3272	cmd.exe	102
PID 3272 wrote to memory of 1932	3272	cmd.exe	102
PID 3272 wrote to memory of 1932	3272	cmd.exe	102
PID 2144 wrote to memory of 1060	2144	cmd.exe	101
PID 2144 wrote to memory of 1060	2144	cmd.exe	101
PID 2144 wrote to memory of 1060	2144	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\74248b6cb266e0c8ed38fa7448f8766c.exe
"C:\Users\Admin\AppData\Local\Temp\74248b6cb266e0c8ed38fa7448f8766c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:224
- C:\Users\Admin\AppData\Local\Temp\74248b6cb266e0c8ed38fa7448f8766c.exe
  "C:\Users\Admin\AppData\Local\Temp\74248b6cb266e0c8ed38fa7448f8766c.exe"
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4752
- - C:\Users\Admin\AppData\Local\Temp\74248b6cb266e0c8ed38fa7448f8766c.exe
    "C:\Users\Admin\AppData\Local\Temp\74248b6cb266e0c8ed38fa7448f8766c.exe"
    3⤵
    - Adds policy Run key to start application
    - Modifies Installed Components in the registry
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1908
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2144
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        5⤵
        Modifies firewall policy service
        Modifies registry key
        
        PID:1060
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\win36.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\win36.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2360
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\win36.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\win36.exe:*:Enabled:Windows Messanger" /f
        5⤵
        Modifies firewall policy service
        Modifies registry key
        
        PID:1516
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3272
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        5⤵
        Modifies firewall policy service
        Modifies registry key
        
        PID:1932
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\74248b6cb266e0c8ed38fa7448f8766c.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\74248b6cb266e0c8ed38fa7448f8766c.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4180
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\74248b6cb266e0c8ed38fa7448f8766c.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\74248b6cb266e0c8ed38fa7448f8766c.exe:*:Enabled:Windows Messanger" /f
        5⤵
        Modifies firewall policy service
        Modifies registry key
        
        PID:4620

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

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

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

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/224-0-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download
memory/1908-21-0x0000000077EB6000-0x0000000077EB7000-memory.dmp

Filesize
4KB

Download
memory/1908-25-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1908-8-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1908-10-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1908-64-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1908-19-0x00000000763F0000-0x00000000764E0000-memory.dmp

Filesize
960KB

Download
memory/1908-20-0x0000000076F40000-0x0000000076FBA000-memory.dmp

Filesize
488KB

Download
memory/1908-57-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1908-44-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1908-26-0x00000000763F0000-0x00000000764E0000-memory.dmp

Filesize
960KB

Download
memory/1908-22-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1908-31-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1908-34-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1908-41-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/4752-5-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/4752-3-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/4752-11-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads