156f5bd5da56c6104fdb0d273662d5017803be1569dffac2e9407deedb788dec

Analysis

max time kernel
201s
max time network
229s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 00:09

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General

Target

156f5bd5da56c6104fdb0d273662d5017803be1569dffac2e9407deedb788dec.exe
Size

557KB
MD5

bc6379ae1e56146f22c88bf4914a353e
SHA1

afadc381db622b58a86b70a6b80f78ef51fa4259
SHA256

156f5bd5da56c6104fdb0d273662d5017803be1569dffac2e9407deedb788dec
SHA512

2b035caf435aff5f7f55168c6f9e0309f3efb0f67eb9cf2781cbdb9e685fbb09fe52bf2ed41bb8404412c52352bd43c1a1f03f5c3646017e2d8f8960f1b898da
SSDEEP

12288:gr9kbp0xjqQOlh54sfwnzb+CchI8qrWuygQDhXCX:ghkbqxjD2AdzbwIZr0ZDg

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
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe = "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\vbc.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\Local\Temp\plugin.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\plugin.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\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	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe

Executes dropped EXE 1 IoCs

pid	Process
4488	Noose.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	156f5bd5da56c6104fdb0d273662d5017803be1569dffac2e9407deedb788dec.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Name.exe"	156f5bd5da56c6104fdb0d273662d5017803be1569dffac2e9407deedb788dec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3480 set thread context of 5024	3480	156f5bd5da56c6104fdb0d273662d5017803be1569dffac2e9407deedb788dec.exe	84

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry key 1 TTPs 4 IoCs

Modify Registry

T1112

pid	Process
1748	reg.exe
1632	reg.exe
3060	reg.exe
540	reg.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: 1	5024	vbc.exe
Token: SeCreateTokenPrivilege	5024	vbc.exe
Token: SeAssignPrimaryTokenPrivilege	5024	vbc.exe
Token: SeLockMemoryPrivilege	5024	vbc.exe
Token: SeIncreaseQuotaPrivilege	5024	vbc.exe
Token: SeMachineAccountPrivilege	5024	vbc.exe
Token: SeTcbPrivilege	5024	vbc.exe
Token: SeSecurityPrivilege	5024	vbc.exe
Token: SeTakeOwnershipPrivilege	5024	vbc.exe
Token: SeLoadDriverPrivilege	5024	vbc.exe
Token: SeSystemProfilePrivilege	5024	vbc.exe
Token: SeSystemtimePrivilege	5024	vbc.exe
Token: SeProfSingleProcessPrivilege	5024	vbc.exe
Token: SeIncBasePriorityPrivilege	5024	vbc.exe
Token: SeCreatePagefilePrivilege	5024	vbc.exe
Token: SeCreatePermanentPrivilege	5024	vbc.exe
Token: SeBackupPrivilege	5024	vbc.exe
Token: SeRestorePrivilege	5024	vbc.exe
Token: SeShutdownPrivilege	5024	vbc.exe
Token: SeDebugPrivilege	5024	vbc.exe
Token: SeAuditPrivilege	5024	vbc.exe
Token: SeSystemEnvironmentPrivilege	5024	vbc.exe
Token: SeChangeNotifyPrivilege	5024	vbc.exe
Token: SeRemoteShutdownPrivilege	5024	vbc.exe
Token: SeUndockPrivilege	5024	vbc.exe
Token: SeSyncAgentPrivilege	5024	vbc.exe
Token: SeEnableDelegationPrivilege	5024	vbc.exe
Token: SeManageVolumePrivilege	5024	vbc.exe
Token: SeImpersonatePrivilege	5024	vbc.exe
Token: SeCreateGlobalPrivilege	5024	vbc.exe
Token: 31	5024	vbc.exe
Token: 32	5024	vbc.exe
Token: 33	5024	vbc.exe
Token: 34	5024	vbc.exe
Token: 35	5024	vbc.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5024	vbc.exe
5024	vbc.exe
5024	vbc.exe
5024	vbc.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 3480 wrote to memory of 5024	3480	156f5bd5da56c6104fdb0d273662d5017803be1569dffac2e9407deedb788dec.exe	84
PID 3480 wrote to memory of 5024	3480	156f5bd5da56c6104fdb0d273662d5017803be1569dffac2e9407deedb788dec.exe	84
PID 3480 wrote to memory of 5024	3480	156f5bd5da56c6104fdb0d273662d5017803be1569dffac2e9407deedb788dec.exe	84
PID 3480 wrote to memory of 5024	3480	156f5bd5da56c6104fdb0d273662d5017803be1569dffac2e9407deedb788dec.exe	84
PID 3480 wrote to memory of 5024	3480	156f5bd5da56c6104fdb0d273662d5017803be1569dffac2e9407deedb788dec.exe	84
PID 3480 wrote to memory of 5024	3480	156f5bd5da56c6104fdb0d273662d5017803be1569dffac2e9407deedb788dec.exe	84
PID 3480 wrote to memory of 5024	3480	156f5bd5da56c6104fdb0d273662d5017803be1569dffac2e9407deedb788dec.exe	84
PID 3480 wrote to memory of 5024	3480	156f5bd5da56c6104fdb0d273662d5017803be1569dffac2e9407deedb788dec.exe	84
PID 5024 wrote to memory of 2680	5024	vbc.exe	85
PID 5024 wrote to memory of 2680	5024	vbc.exe	85
PID 5024 wrote to memory of 2680	5024	vbc.exe	85
PID 5024 wrote to memory of 4480	5024	vbc.exe	86
PID 5024 wrote to memory of 4480	5024	vbc.exe	86
PID 5024 wrote to memory of 4480	5024	vbc.exe	86
PID 5024 wrote to memory of 4812	5024	vbc.exe	88
PID 5024 wrote to memory of 4812	5024	vbc.exe	88
PID 5024 wrote to memory of 4812	5024	vbc.exe	88
PID 5024 wrote to memory of 3432	5024	vbc.exe	92
PID 5024 wrote to memory of 3432	5024	vbc.exe	92
PID 5024 wrote to memory of 3432	5024	vbc.exe	92
PID 3480 wrote to memory of 4488	3480	156f5bd5da56c6104fdb0d273662d5017803be1569dffac2e9407deedb788dec.exe	94
PID 3480 wrote to memory of 4488	3480	156f5bd5da56c6104fdb0d273662d5017803be1569dffac2e9407deedb788dec.exe	94
PID 2680 wrote to memory of 1748	2680	cmd.exe	93
PID 2680 wrote to memory of 1748	2680	cmd.exe	93
PID 2680 wrote to memory of 1748	2680	cmd.exe	93
PID 4480 wrote to memory of 1632	4480	cmd.exe	95
PID 4480 wrote to memory of 1632	4480	cmd.exe	95
PID 4480 wrote to memory of 1632	4480	cmd.exe	95
PID 4812 wrote to memory of 3060	4812	cmd.exe	96
PID 4812 wrote to memory of 3060	4812	cmd.exe	96
PID 4812 wrote to memory of 3060	4812	cmd.exe	96
PID 3432 wrote to memory of 540	3432	cmd.exe	97
PID 3432 wrote to memory of 540	3432	cmd.exe	97
PID 3432 wrote to memory of 540	3432	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\156f5bd5da56c6104fdb0d273662d5017803be1569dffac2e9407deedb788dec.exe
"C:\Users\Admin\AppData\Local\Temp\156f5bd5da56c6104fdb0d273662d5017803be1569dffac2e9407deedb788dec.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3480
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5024
- - 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:2680
  - - 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:1748
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4480
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      Modifies registry key
      PID:1632
- - 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:4812
  - - 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:3060
- - 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\plugin.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\plugin.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3432
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\plugin.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\plugin.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      Modifies registry key
      PID:540
- C:\Users\Admin\AppData\Local\Temp\Noose.exe
  "C:\Users\Admin\AppData\Local\Temp\Noose.exe"
  2⤵
  - Executes dropped EXE
  PID:4488

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Noose.exe

Filesize
30KB

MD5
eac6003f2f78d74d8f1a5e36d43d8a67

SHA1
f5b9785a9024a1459fe044c3a4962e755945edfd

SHA256
75bd6f6bc5b52b2c495e72d0cdf3119cb5e9270482c54d8305c7b364d77d407a

SHA512
126eb4c2607e162d9e32bf119b177707ae09ebcd18f4cb8288b6b17959ca929087ca38b0a68a4f590e0ebac76b19bc550b2c6d1edca54503c457a309f76d8bb3

Download Submit
C:\Users\Admin\AppData\Local\Temp\Noose.exe

Filesize
30KB

MD5
eac6003f2f78d74d8f1a5e36d43d8a67

SHA1
f5b9785a9024a1459fe044c3a4962e755945edfd

SHA256
75bd6f6bc5b52b2c495e72d0cdf3119cb5e9270482c54d8305c7b364d77d407a

SHA512
126eb4c2607e162d9e32bf119b177707ae09ebcd18f4cb8288b6b17959ca929087ca38b0a68a4f590e0ebac76b19bc550b2c6d1edca54503c457a309f76d8bb3

Download Submit
memory/3480-132-0x0000000074FF0000-0x00000000755A1000-memory.dmp

Filesize
5.7MB

Download
memory/3480-133-0x0000000074FF0000-0x00000000755A1000-memory.dmp

Filesize
5.7MB

Download
memory/3480-152-0x0000000074FF0000-0x00000000755A1000-memory.dmp

Filesize
5.7MB

Download
memory/4488-153-0x00007FFC41440000-0x00007FFC41E76000-memory.dmp

Filesize
10.2MB

Download
memory/5024-135-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/5024-149-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads