6cea3b83c4ce364865d34eef1bbb4c08d42acfa94a871b25fb6f05685c741be7

Analysis

max time kernel
165s
max time network
197s
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, 03:33

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General

Target

6cea3b83c4ce364865d34eef1bbb4c08d42acfa94a871b25fb6f05685c741be7.exe
Size

728KB
MD5

2799fa8954b1c828615767c47141d559
SHA1

12ea7159dbf19a50c4fbee71697d652a2fc618c9
SHA256

6cea3b83c4ce364865d34eef1bbb4c08d42acfa94a871b25fb6f05685c741be7
SHA512

b7a3b0092cbb9014ed7f8257f33eec61221dce660c34d3929e863dbed205ebfeb1276aa568aa7545e0c6e7e890a379c7ceaeed681e57869ee44e0793fb6d6b82
SSDEEP

12288:MaP0UExE1TZZwLFHWw/YAwg8Roam2W64m7ZRYq+TDbr8rtJ:MLUEiTbqFHypg1amR64rpnQrtJ

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	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	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
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
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\svchost.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe:*:Enabled:Windows Messanger"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\6VI2C0OYQZ.exe = "C:\\Users\\Admin\\AppData\\Roaming\\6VI2C0OYQZ.exe:*:Enabled:Windows Messanger"	reg.exe

Executes dropped EXE 2 IoCs

pid	Process
3640	svchosti.exe
1848	svchost.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	6cea3b83c4ce364865d34eef1bbb4c08d42acfa94a871b25fb6f05685c741be7.exe

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\Windows Live = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svchosti.exe"	svchosti.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3640 set thread context of 1848	3640	svchosti.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
1392	reg.exe
1908	reg.exe
1200	reg.exe
2528	reg.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: SeDebugPrivilege	3640	svchosti.exe
Token: 1	1848	svchost.exe
Token: SeCreateTokenPrivilege	1848	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	1848	svchost.exe
Token: SeLockMemoryPrivilege	1848	svchost.exe
Token: SeIncreaseQuotaPrivilege	1848	svchost.exe
Token: SeMachineAccountPrivilege	1848	svchost.exe
Token: SeTcbPrivilege	1848	svchost.exe
Token: SeSecurityPrivilege	1848	svchost.exe
Token: SeTakeOwnershipPrivilege	1848	svchost.exe
Token: SeLoadDriverPrivilege	1848	svchost.exe
Token: SeSystemProfilePrivilege	1848	svchost.exe
Token: SeSystemtimePrivilege	1848	svchost.exe
Token: SeProfSingleProcessPrivilege	1848	svchost.exe
Token: SeIncBasePriorityPrivilege	1848	svchost.exe
Token: SeCreatePagefilePrivilege	1848	svchost.exe
Token: SeCreatePermanentPrivilege	1848	svchost.exe
Token: SeBackupPrivilege	1848	svchost.exe
Token: SeRestorePrivilege	1848	svchost.exe
Token: SeShutdownPrivilege	1848	svchost.exe
Token: SeDebugPrivilege	1848	svchost.exe
Token: SeAuditPrivilege	1848	svchost.exe
Token: SeSystemEnvironmentPrivilege	1848	svchost.exe
Token: SeChangeNotifyPrivilege	1848	svchost.exe
Token: SeRemoteShutdownPrivilege	1848	svchost.exe
Token: SeUndockPrivilege	1848	svchost.exe
Token: SeSyncAgentPrivilege	1848	svchost.exe
Token: SeEnableDelegationPrivilege	1848	svchost.exe
Token: SeManageVolumePrivilege	1848	svchost.exe
Token: SeImpersonatePrivilege	1848	svchost.exe
Token: SeCreateGlobalPrivilege	1848	svchost.exe
Token: 31	1848	svchost.exe
Token: 32	1848	svchost.exe
Token: 33	1848	svchost.exe
Token: 34	1848	svchost.exe
Token: 35	1848	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1848	svchost.exe
1848	svchost.exe
1848	svchost.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 3640	2752	6cea3b83c4ce364865d34eef1bbb4c08d42acfa94a871b25fb6f05685c741be7.exe	83
PID 2752 wrote to memory of 3640	2752	6cea3b83c4ce364865d34eef1bbb4c08d42acfa94a871b25fb6f05685c741be7.exe	83
PID 2752 wrote to memory of 3640	2752	6cea3b83c4ce364865d34eef1bbb4c08d42acfa94a871b25fb6f05685c741be7.exe	83
PID 3640 wrote to memory of 1848	3640	svchosti.exe	84
PID 3640 wrote to memory of 1848	3640	svchosti.exe	84
PID 3640 wrote to memory of 1848	3640	svchosti.exe	84
PID 3640 wrote to memory of 1848	3640	svchosti.exe	84
PID 3640 wrote to memory of 1848	3640	svchosti.exe	84
PID 3640 wrote to memory of 1848	3640	svchosti.exe	84
PID 3640 wrote to memory of 1848	3640	svchosti.exe	84
PID 3640 wrote to memory of 1848	3640	svchosti.exe	84
PID 1848 wrote to memory of 824	1848	svchost.exe	85
PID 1848 wrote to memory of 824	1848	svchost.exe	85
PID 1848 wrote to memory of 824	1848	svchost.exe	85
PID 1848 wrote to memory of 4896	1848	svchost.exe	86
PID 1848 wrote to memory of 4896	1848	svchost.exe	86
PID 1848 wrote to memory of 4896	1848	svchost.exe	86
PID 1848 wrote to memory of 4940	1848	svchost.exe	89
PID 1848 wrote to memory of 4940	1848	svchost.exe	89
PID 1848 wrote to memory of 4940	1848	svchost.exe	89
PID 1848 wrote to memory of 1784	1848	svchost.exe	91
PID 1848 wrote to memory of 1784	1848	svchost.exe	91
PID 1848 wrote to memory of 1784	1848	svchost.exe	91
PID 824 wrote to memory of 2528	824	cmd.exe	94
PID 824 wrote to memory of 2528	824	cmd.exe	94
PID 824 wrote to memory of 2528	824	cmd.exe	94
PID 4896 wrote to memory of 1200	4896	cmd.exe	93
PID 4896 wrote to memory of 1200	4896	cmd.exe	93
PID 4896 wrote to memory of 1200	4896	cmd.exe	93
PID 4940 wrote to memory of 1392	4940	cmd.exe	95
PID 4940 wrote to memory of 1392	4940	cmd.exe	95
PID 4940 wrote to memory of 1392	4940	cmd.exe	95
PID 1784 wrote to memory of 1908	1784	cmd.exe	96
PID 1784 wrote to memory of 1908	1784	cmd.exe	96
PID 1784 wrote to memory of 1908	1784	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\6cea3b83c4ce364865d34eef1bbb4c08d42acfa94a871b25fb6f05685c741be7.exe
"C:\Users\Admin\AppData\Local\Temp\6cea3b83c4ce364865d34eef1bbb4c08d42acfa94a871b25fb6f05685c741be7.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Users\Admin\AppData\Local\Temp\svchosti.exe
  "C:\Users\Admin\AppData\Local\Temp\svchosti.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3640
- - C:\Users\Admin\AppData\Local\Temp\svchost.exe
    C:\Users\Admin\AppData\Local\Temp\svchost.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1848
  - - 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:824
    - - 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:2528
  - - 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\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\svchost.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4896
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\svchost.exe:*:Enabled:Windows Messanger" /f
        5⤵
        Modifies firewall policy service
        Modifies registry key
        
        PID:1200
  - - 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:4940
    - - 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:1392
  - - 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\6VI2C0OYQZ.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\6VI2C0OYQZ.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1784
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\6VI2C0OYQZ.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\6VI2C0OYQZ.exe:*:Enabled:Windows Messanger" /f
        5⤵
        Modifies firewall policy service
        Modifies registry key
        
        PID:1908

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

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\svchost.exe

Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

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

Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

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

Filesize
560KB

MD5
a096b5f8c04b72ed5d1f96aa30731792

SHA1
279195f3865a29be8699d802a0d3012750e131f7

SHA256
41b75b262484689226e9838be9cb4d04447603948adb6f34e448c4743e09ee7e

SHA512
39231aa7e546a69bca08722d6b6e65a0b6174dd02d02647b034b7a95d24245eafba26ddcc95b1a22605917595d98f95d1bb91c32a8f703ebeee400b97a9b45f8

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

Filesize
560KB

MD5
a096b5f8c04b72ed5d1f96aa30731792

SHA1
279195f3865a29be8699d802a0d3012750e131f7

SHA256
41b75b262484689226e9838be9cb4d04447603948adb6f34e448c4743e09ee7e

SHA512
39231aa7e546a69bca08722d6b6e65a0b6174dd02d02647b034b7a95d24245eafba26ddcc95b1a22605917595d98f95d1bb91c32a8f703ebeee400b97a9b45f8

Download Submit
memory/1848-156-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1848-139-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1848-155-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2752-132-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/2752-136-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/3640-137-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/3640-143-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads