bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a

Analysis

max time kernel
183s
max time network
215s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 09:27

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General

Target

bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Size

592KB
MD5

6bfc33a181806aaa06116c0ed7b1c484
SHA1

05a3a0b8916296266920f7cb7bbc54388a735e58
SHA256

bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a
SHA512

35afc608ce0ff0d3b4024a6a6f11994367db30610d83fb46e3bfeda1a476aecfbe6cb7a10544a249f758159098feffd085a7229a406b081d14d35162f865822d
SSDEEP

12288:fBPK6WGvLov/q6AYYYYYYYYYYYRYYYYYYYYYY3E7f5i5sQE7x3l2je+Lh97gMF5W:kOsEYYYYYYYYYYYRYYYYYYYYYY8f5Qm5

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 10 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

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\AuthorizedApplications	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\explorer.exe = "C:\\Users\\Admin\\AppData\\Roaming\\explorer.exe:*:Enabled:Windows Messanger"	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
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 (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe:*:Enabled:Windows Messanger"	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

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\explorer = "C:\\Users\\Admin\\AppData\\Roaming\\explorer.exe"	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{ACFDED6A-E7FD-95E2-A8DF-141DDCEC0CE9}	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{ACFDED6A-E7FD-95E2-A8DF-141DDCEC0CE9}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\explorer.exe"	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{ACFDED6A-E7FD-95E2-A8DF-141DDCEC0CE9}	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{ACFDED6A-E7FD-95E2-A8DF-141DDCEC0CE9}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\explorer.exe"	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Users\\Admin\\AppData\\Roaming\\explorer.exe"	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Users\\Admin\\AppData\\Roaming\\explorer.exe"	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1780 set thread context of 4224	1780	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	81

Modifies registry key 1 TTPs 4 IoCs

Modify Registry

T1112

pid	Process
4828	reg.exe
1012	reg.exe
3932	reg.exe
4348	reg.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: 1	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeCreateTokenPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeAssignPrimaryTokenPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeLockMemoryPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeIncreaseQuotaPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeMachineAccountPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeTcbPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeSecurityPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeTakeOwnershipPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeLoadDriverPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeSystemProfilePrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeSystemtimePrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeProfSingleProcessPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeIncBasePriorityPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeCreatePagefilePrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeCreatePermanentPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeBackupPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeRestorePrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeShutdownPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeDebugPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeAuditPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeSystemEnvironmentPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeChangeNotifyPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeRemoteShutdownPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeUndockPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeSyncAgentPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeEnableDelegationPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeManageVolumePrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeImpersonatePrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeCreateGlobalPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: 31	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: 32	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: 33	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: 34	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: 35	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
Token: SeDebugPrivilege	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1780	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 4224	1780	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	81
PID 1780 wrote to memory of 4224	1780	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	81
PID 1780 wrote to memory of 4224	1780	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	81
PID 1780 wrote to memory of 4224	1780	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	81
PID 1780 wrote to memory of 4224	1780	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	81
PID 1780 wrote to memory of 4224	1780	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	81
PID 1780 wrote to memory of 4224	1780	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	81
PID 1780 wrote to memory of 4224	1780	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	81
PID 4224 wrote to memory of 3672	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	82
PID 4224 wrote to memory of 3672	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	82
PID 4224 wrote to memory of 3672	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	82
PID 4224 wrote to memory of 3608	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	83
PID 4224 wrote to memory of 3608	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	83
PID 4224 wrote to memory of 3608	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	83
PID 4224 wrote to memory of 3660	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	84
PID 4224 wrote to memory of 3660	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	84
PID 4224 wrote to memory of 3660	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	84
PID 4224 wrote to memory of 3424	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	85
PID 4224 wrote to memory of 3424	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	85
PID 4224 wrote to memory of 3424	4224	bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe	85
PID 3424 wrote to memory of 3932	3424	cmd.exe	92
PID 3424 wrote to memory of 3932	3424	cmd.exe	92
PID 3424 wrote to memory of 3932	3424	cmd.exe	92
PID 3672 wrote to memory of 1012	3672	cmd.exe	91
PID 3672 wrote to memory of 1012	3672	cmd.exe	91
PID 3672 wrote to memory of 1012	3672	cmd.exe	91
PID 3660 wrote to memory of 4348	3660	cmd.exe	93
PID 3660 wrote to memory of 4348	3660	cmd.exe	93
PID 3660 wrote to memory of 4348	3660	cmd.exe	93
PID 3608 wrote to memory of 4828	3608	cmd.exe	90
PID 3608 wrote to memory of 4828	3608	cmd.exe	90
PID 3608 wrote to memory of 4828	3608	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
"C:\Users\Admin\AppData\Local\Temp\bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Users\Admin\AppData\Local\Temp\bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
  C:\Users\Admin\AppData\Local\Temp\bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
  2⤵
  - 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:4224
- - 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
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3672
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
      4⤵
      Modifies firewall policy service
      Modifies registry key
      PID:1012
- - 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\bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3608
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      Modifies registry key
      PID:4828
- - 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
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3660
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
      4⤵
      Modifies firewall policy service
      Modifies registry key
      PID:4348
- - 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\explorer.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\explorer.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3424
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\explorer.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\explorer.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      Modifies registry key
      PID:3932

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4224-135-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4224-138-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4224-140-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads