6cea3b83c4ce364865d34eef1bbb4c08d42acfa94a871b25fb6f05685c741be7

Analysis

max time kernel
151s
max time network
145s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-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 8 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
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
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
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
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
276	svchosti.exe
668	svchost.exe

Loads dropped DLL 3 IoCs

pid	Process
1000	6cea3b83c4ce364865d34eef1bbb4c08d42acfa94a871b25fb6f05685c741be7.exe
1000	6cea3b83c4ce364865d34eef1bbb4c08d42acfa94a871b25fb6f05685c741be7.exe
276	svchosti.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-1-5-21-4063495947-34355257-727531523-1000\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 276 set thread context of 668	276	svchosti.exe	28

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
1952	reg.exe
1540	reg.exe
776	reg.exe
1844	reg.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: SeDebugPrivilege	276	svchosti.exe
Token: 1	668	svchost.exe
Token: SeCreateTokenPrivilege	668	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	668	svchost.exe
Token: SeLockMemoryPrivilege	668	svchost.exe
Token: SeIncreaseQuotaPrivilege	668	svchost.exe
Token: SeMachineAccountPrivilege	668	svchost.exe
Token: SeTcbPrivilege	668	svchost.exe
Token: SeSecurityPrivilege	668	svchost.exe
Token: SeTakeOwnershipPrivilege	668	svchost.exe
Token: SeLoadDriverPrivilege	668	svchost.exe
Token: SeSystemProfilePrivilege	668	svchost.exe
Token: SeSystemtimePrivilege	668	svchost.exe
Token: SeProfSingleProcessPrivilege	668	svchost.exe
Token: SeIncBasePriorityPrivilege	668	svchost.exe
Token: SeCreatePagefilePrivilege	668	svchost.exe
Token: SeCreatePermanentPrivilege	668	svchost.exe
Token: SeBackupPrivilege	668	svchost.exe
Token: SeRestorePrivilege	668	svchost.exe
Token: SeShutdownPrivilege	668	svchost.exe
Token: SeDebugPrivilege	668	svchost.exe
Token: SeAuditPrivilege	668	svchost.exe
Token: SeSystemEnvironmentPrivilege	668	svchost.exe
Token: SeChangeNotifyPrivilege	668	svchost.exe
Token: SeRemoteShutdownPrivilege	668	svchost.exe
Token: SeUndockPrivilege	668	svchost.exe
Token: SeSyncAgentPrivilege	668	svchost.exe
Token: SeEnableDelegationPrivilege	668	svchost.exe
Token: SeManageVolumePrivilege	668	svchost.exe
Token: SeImpersonatePrivilege	668	svchost.exe
Token: SeCreateGlobalPrivilege	668	svchost.exe
Token: 31	668	svchost.exe
Token: 32	668	svchost.exe
Token: 33	668	svchost.exe
Token: 34	668	svchost.exe
Token: 35	668	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
668	svchost.exe
668	svchost.exe
668	svchost.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 1000 wrote to memory of 276	1000	6cea3b83c4ce364865d34eef1bbb4c08d42acfa94a871b25fb6f05685c741be7.exe	27
PID 1000 wrote to memory of 276	1000	6cea3b83c4ce364865d34eef1bbb4c08d42acfa94a871b25fb6f05685c741be7.exe	27
PID 1000 wrote to memory of 276	1000	6cea3b83c4ce364865d34eef1bbb4c08d42acfa94a871b25fb6f05685c741be7.exe	27
PID 1000 wrote to memory of 276	1000	6cea3b83c4ce364865d34eef1bbb4c08d42acfa94a871b25fb6f05685c741be7.exe	27
PID 276 wrote to memory of 668	276	svchosti.exe	28
PID 276 wrote to memory of 668	276	svchosti.exe	28
PID 276 wrote to memory of 668	276	svchosti.exe	28
PID 276 wrote to memory of 668	276	svchosti.exe	28
PID 276 wrote to memory of 668	276	svchosti.exe	28
PID 276 wrote to memory of 668	276	svchosti.exe	28
PID 276 wrote to memory of 668	276	svchosti.exe	28
PID 276 wrote to memory of 668	276	svchosti.exe	28
PID 668 wrote to memory of 1444	668	svchost.exe	29
PID 668 wrote to memory of 1444	668	svchost.exe	29
PID 668 wrote to memory of 1444	668	svchost.exe	29
PID 668 wrote to memory of 1444	668	svchost.exe	29
PID 668 wrote to memory of 1052	668	svchost.exe	30
PID 668 wrote to memory of 1052	668	svchost.exe	30
PID 668 wrote to memory of 1052	668	svchost.exe	30
PID 668 wrote to memory of 1052	668	svchost.exe	30
PID 668 wrote to memory of 1028	668	svchost.exe	32
PID 668 wrote to memory of 1028	668	svchost.exe	32
PID 668 wrote to memory of 1028	668	svchost.exe	32
PID 668 wrote to memory of 1028	668	svchost.exe	32
PID 668 wrote to memory of 1836	668	svchost.exe	35
PID 668 wrote to memory of 1836	668	svchost.exe	35
PID 668 wrote to memory of 1836	668	svchost.exe	35
PID 668 wrote to memory of 1836	668	svchost.exe	35
PID 1028 wrote to memory of 1540	1028	cmd.exe	37
PID 1028 wrote to memory of 1540	1028	cmd.exe	37
PID 1028 wrote to memory of 1540	1028	cmd.exe	37
PID 1028 wrote to memory of 1540	1028	cmd.exe	37
PID 1444 wrote to memory of 776	1444	cmd.exe	38
PID 1444 wrote to memory of 776	1444	cmd.exe	38
PID 1444 wrote to memory of 776	1444	cmd.exe	38
PID 1444 wrote to memory of 776	1444	cmd.exe	38
PID 1052 wrote to memory of 1844	1052	cmd.exe	39
PID 1052 wrote to memory of 1844	1052	cmd.exe	39
PID 1052 wrote to memory of 1844	1052	cmd.exe	39
PID 1052 wrote to memory of 1844	1052	cmd.exe	39
PID 1836 wrote to memory of 1952	1836	cmd.exe	40
PID 1836 wrote to memory of 1952	1836	cmd.exe	40
PID 1836 wrote to memory of 1952	1836	cmd.exe	40
PID 1836 wrote to memory of 1952	1836	cmd.exe	40

C:\Users\Admin\AppData\Local\Temp\6cea3b83c4ce364865d34eef1bbb4c08d42acfa94a871b25fb6f05685c741be7.exe
"C:\Users\Admin\AppData\Local\Temp\6cea3b83c4ce364865d34eef1bbb4c08d42acfa94a871b25fb6f05685c741be7.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1000
- C:\Users\Admin\AppData\Local\Temp\svchosti.exe
  "C:\Users\Admin\AppData\Local\Temp\svchosti.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:276
- - 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:668
  - - 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:1444
    - - 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:776
  - - 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:1052
    - - 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:1844
  - - 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:1028
    - - 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:1540
  - - 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:1836
    - - 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:1952

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

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
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

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

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

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
\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

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

Filesize
560KB

MD5
a096b5f8c04b72ed5d1f96aa30731792

SHA1
279195f3865a29be8699d802a0d3012750e131f7

SHA256
41b75b262484689226e9838be9cb4d04447603948adb6f34e448c4743e09ee7e

SHA512
39231aa7e546a69bca08722d6b6e65a0b6174dd02d02647b034b7a95d24245eafba26ddcc95b1a22605917595d98f95d1bb91c32a8f703ebeee400b97a9b45f8

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

Filesize
560KB

MD5
a096b5f8c04b72ed5d1f96aa30731792

SHA1
279195f3865a29be8699d802a0d3012750e131f7

SHA256
41b75b262484689226e9838be9cb4d04447603948adb6f34e448c4743e09ee7e

SHA512
39231aa7e546a69bca08722d6b6e65a0b6174dd02d02647b034b7a95d24245eafba26ddcc95b1a22605917595d98f95d1bb91c32a8f703ebeee400b97a9b45f8

Download Submit
memory/276-62-0x0000000074AA0000-0x000000007504B000-memory.dmp

Filesize
5.7MB

Download
memory/276-72-0x0000000074AA0000-0x000000007504B000-memory.dmp

Filesize
5.7MB

Download
memory/276-57-0x0000000000000000-mapping.dmp

Download
memory/668-87-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/668-64-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/668-65-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/668-67-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/668-68-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/668-69-0x00000000004013BC-mapping.dmp

Download
memory/668-86-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/776-83-0x0000000000000000-mapping.dmp

Download
memory/1000-61-0x0000000074AA0000-0x000000007504B000-memory.dmp

Filesize
5.7MB

Download
memory/1000-54-0x0000000076561000-0x0000000076563000-memory.dmp

Filesize
8KB

Download
memory/1028-80-0x0000000000000000-mapping.dmp

Download
memory/1052-79-0x0000000000000000-mapping.dmp

Download
memory/1444-78-0x0000000000000000-mapping.dmp

Download
memory/1540-82-0x0000000000000000-mapping.dmp

Download
memory/1836-81-0x0000000000000000-mapping.dmp

Download
memory/1844-84-0x0000000000000000-mapping.dmp

Download
memory/1952-85-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads