5a3f6cc04387e8a57f21287d26402315eba8e35e0a94c41c2846b38ce1da9ebf

General

Target

5a3f6cc04387e8a57f21287d26402315eba8e35e0a94c41c2846b38ce1da9ebf.exe
Size

764KB
MD5

42f70bedacf7d2612c6ef75de040729d
SHA1

2b264c72a82754b3bd00f124e403156f3cb447f3
SHA256

5a3f6cc04387e8a57f21287d26402315eba8e35e0a94c41c2846b38ce1da9ebf
SHA512

e9b83bebb88fb7c8bb450cdd3143d335a4ec8c84231bff3c64b3ff99e1397c367a5ad5886afc1971865c5b13f166d0726e8e04da48b9f03e6dcb1ed535a58a5e
SSDEEP

12288:d0cFUNlKi46Dk3tDJtoDW31puSyDTgqd7kmAN6omFMb3sGB6UduRfLas:i+Ua6Y3tDHom7KTfd7kBN6dMb3DY

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 8 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

reg.exereg.exereg.exereg.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\local.exe = "C:\\Users\\Admin\\AppData\\Roaming\\local.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\svchost.exe = "C:\\Users\\Admin\\AppData\\Roaming\\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	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

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

1380 svchost.exe

pid	process
1380	svchost.exe

Loads dropped DLL 2 IoCs

Processes:

5a3f6cc04387e8a57f21287d26402315eba8e35e0a94c41c2846b38ce1da9ebf.exe

pid	process
756	5a3f6cc04387e8a57f21287d26402315eba8e35e0a94c41c2846b38ce1da9ebf.exe
756	5a3f6cc04387e8a57f21287d26402315eba8e35e0a94c41c2846b38ce1da9ebf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5a3f6cc04387e8a57f21287d26402315eba8e35e0a94c41c2846b38ce1da9ebf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\msupdate32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5a3f6cc04387e8a57f21287d26402315eba8e35e0a94c41c2846b38ce1da9ebf.exe"	5a3f6cc04387e8a57f21287d26402315eba8e35e0a94c41c2846b38ce1da9ebf.exe

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

Processes:

reg.exereg.exereg.exereg.exe

pid process

1692 reg.exe
1884 reg.exe
1036 reg.exe
556 reg.exe

pid	process
1692	reg.exe
1884	reg.exe
1036	reg.exe
556	reg.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

svchost.exe

description	pid	process
Token: 1	1380	svchost.exe
Token: SeCreateTokenPrivilege	1380	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	1380	svchost.exe
Token: SeLockMemoryPrivilege	1380	svchost.exe
Token: SeIncreaseQuotaPrivilege	1380	svchost.exe
Token: SeMachineAccountPrivilege	1380	svchost.exe
Token: SeTcbPrivilege	1380	svchost.exe
Token: SeSecurityPrivilege	1380	svchost.exe
Token: SeTakeOwnershipPrivilege	1380	svchost.exe
Token: SeLoadDriverPrivilege	1380	svchost.exe
Token: SeSystemProfilePrivilege	1380	svchost.exe
Token: SeSystemtimePrivilege	1380	svchost.exe
Token: SeProfSingleProcessPrivilege	1380	svchost.exe
Token: SeIncBasePriorityPrivilege	1380	svchost.exe
Token: SeCreatePagefilePrivilege	1380	svchost.exe
Token: SeCreatePermanentPrivilege	1380	svchost.exe
Token: SeBackupPrivilege	1380	svchost.exe
Token: SeRestorePrivilege	1380	svchost.exe
Token: SeShutdownPrivilege	1380	svchost.exe
Token: SeDebugPrivilege	1380	svchost.exe
Token: SeAuditPrivilege	1380	svchost.exe
Token: SeSystemEnvironmentPrivilege	1380	svchost.exe
Token: SeChangeNotifyPrivilege	1380	svchost.exe
Token: SeRemoteShutdownPrivilege	1380	svchost.exe
Token: SeUndockPrivilege	1380	svchost.exe
Token: SeSyncAgentPrivilege	1380	svchost.exe
Token: SeEnableDelegationPrivilege	1380	svchost.exe
Token: SeManageVolumePrivilege	1380	svchost.exe
Token: SeImpersonatePrivilege	1380	svchost.exe
Token: SeCreateGlobalPrivilege	1380	svchost.exe
Token: 31	1380	svchost.exe
Token: 32	1380	svchost.exe
Token: 33	1380	svchost.exe
Token: 34	1380	svchost.exe
Token: 35	1380	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

svchost.exe

pid process

1380 svchost.exe
1380 svchost.exe
1380 svchost.exe

pid	process
1380	svchost.exe
1380	svchost.exe
1380	svchost.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

5a3f6cc04387e8a57f21287d26402315eba8e35e0a94c41c2846b38ce1da9ebf.exesvchost.execmd.execmd.execmd.execmd.exe

description	pid	process	target process
PID 756 wrote to memory of 1380	756	5a3f6cc04387e8a57f21287d26402315eba8e35e0a94c41c2846b38ce1da9ebf.exe	svchost.exe
PID 756 wrote to memory of 1380	756	5a3f6cc04387e8a57f21287d26402315eba8e35e0a94c41c2846b38ce1da9ebf.exe	svchost.exe
PID 756 wrote to memory of 1380	756	5a3f6cc04387e8a57f21287d26402315eba8e35e0a94c41c2846b38ce1da9ebf.exe	svchost.exe
PID 756 wrote to memory of 1380	756	5a3f6cc04387e8a57f21287d26402315eba8e35e0a94c41c2846b38ce1da9ebf.exe	svchost.exe
PID 1380 wrote to memory of 1492	1380	svchost.exe	cmd.exe
PID 1380 wrote to memory of 1492	1380	svchost.exe	cmd.exe
PID 1380 wrote to memory of 1492	1380	svchost.exe	cmd.exe
PID 1380 wrote to memory of 1492	1380	svchost.exe	cmd.exe
PID 1380 wrote to memory of 2008	1380	svchost.exe	cmd.exe
PID 1380 wrote to memory of 2008	1380	svchost.exe	cmd.exe
PID 1380 wrote to memory of 2008	1380	svchost.exe	cmd.exe
PID 1380 wrote to memory of 2008	1380	svchost.exe	cmd.exe
PID 1380 wrote to memory of 1488	1380	svchost.exe	cmd.exe
PID 1380 wrote to memory of 1488	1380	svchost.exe	cmd.exe
PID 1380 wrote to memory of 1488	1380	svchost.exe	cmd.exe
PID 1380 wrote to memory of 1488	1380	svchost.exe	cmd.exe
PID 1380 wrote to memory of 1972	1380	svchost.exe	cmd.exe
PID 1380 wrote to memory of 1972	1380	svchost.exe	cmd.exe
PID 1380 wrote to memory of 1972	1380	svchost.exe	cmd.exe
PID 1380 wrote to memory of 1972	1380	svchost.exe	cmd.exe
PID 2008 wrote to memory of 1884	2008	cmd.exe	reg.exe
PID 2008 wrote to memory of 1884	2008	cmd.exe	reg.exe
PID 2008 wrote to memory of 1884	2008	cmd.exe	reg.exe
PID 2008 wrote to memory of 1884	2008	cmd.exe	reg.exe
PID 1492 wrote to memory of 1692	1492	cmd.exe	reg.exe
PID 1492 wrote to memory of 1692	1492	cmd.exe	reg.exe
PID 1492 wrote to memory of 1692	1492	cmd.exe	reg.exe
PID 1492 wrote to memory of 1692	1492	cmd.exe	reg.exe
PID 1488 wrote to memory of 1036	1488	cmd.exe	reg.exe
PID 1488 wrote to memory of 1036	1488	cmd.exe	reg.exe
PID 1488 wrote to memory of 1036	1488	cmd.exe	reg.exe
PID 1488 wrote to memory of 1036	1488	cmd.exe	reg.exe
PID 1972 wrote to memory of 556	1972	cmd.exe	reg.exe
PID 1972 wrote to memory of 556	1972	cmd.exe	reg.exe
PID 1972 wrote to memory of 556	1972	cmd.exe	reg.exe
PID 1972 wrote to memory of 556	1972	cmd.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\5a3f6cc04387e8a57f21287d26402315eba8e35e0a94c41c2846b38ce1da9ebf.exe
"C:\Users\Admin\AppData\Local\Temp\5a3f6cc04387e8a57f21287d26402315eba8e35e0a94c41c2846b38ce1da9ebf.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:756

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1380

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:1492

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:1692

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\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f
3⤵
- Suspicious use of WriteProcessMemory
PID:2008

C:\Windows\SysWOW64\reg.exe
REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f
4⤵
- Modifies firewall policy service
- Modifies registry key
PID:1884

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:1488

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:1036

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\local.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\local.exe:*:Enabled:Windows Messanger" /f
3⤵
- Suspicious use of WriteProcessMemory
PID:1972

C:\Windows\SysWOW64\reg.exe
REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\local.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\local.exe:*:Enabled:Windows Messanger" /f
4⤵
- Modifies firewall policy service
- Modifies registry key
PID:556

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
336KB

MD5
7491f5d9adb60b1d54cc827d205b242b

SHA1
8e9906bcaa3ac2c8b70c25ad566caf191c6d88a6

SHA256
1c56ff9a986dccf1879dea578ef61f88e44ddae942103be2b243c7a9b3aeedf8

SHA512
5aa1c96a665887b7957cae5c2f009e2cb4e5f259c88c604eaca705a62276986528165dc758ebc3365dfc34dfa7d5a1dbf20712fe0f0930c7cfd8f2fdae2c7140

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
336KB

MD5
7491f5d9adb60b1d54cc827d205b242b

SHA1
8e9906bcaa3ac2c8b70c25ad566caf191c6d88a6

SHA256
1c56ff9a986dccf1879dea578ef61f88e44ddae942103be2b243c7a9b3aeedf8

SHA512
5aa1c96a665887b7957cae5c2f009e2cb4e5f259c88c604eaca705a62276986528165dc758ebc3365dfc34dfa7d5a1dbf20712fe0f0930c7cfd8f2fdae2c7140

Download Submit
\Users\Admin\AppData\Roaming\svchost.exe

Filesize
336KB

MD5
7491f5d9adb60b1d54cc827d205b242b

SHA1
8e9906bcaa3ac2c8b70c25ad566caf191c6d88a6

SHA256
1c56ff9a986dccf1879dea578ef61f88e44ddae942103be2b243c7a9b3aeedf8

SHA512
5aa1c96a665887b7957cae5c2f009e2cb4e5f259c88c604eaca705a62276986528165dc758ebc3365dfc34dfa7d5a1dbf20712fe0f0930c7cfd8f2fdae2c7140

Download Submit
\Users\Admin\AppData\Roaming\svchost.exe

Filesize
336KB

MD5
7491f5d9adb60b1d54cc827d205b242b

SHA1
8e9906bcaa3ac2c8b70c25ad566caf191c6d88a6

SHA256
1c56ff9a986dccf1879dea578ef61f88e44ddae942103be2b243c7a9b3aeedf8

SHA512
5aa1c96a665887b7957cae5c2f009e2cb4e5f259c88c604eaca705a62276986528165dc758ebc3365dfc34dfa7d5a1dbf20712fe0f0930c7cfd8f2fdae2c7140

Download Submit
memory/556-71-0x0000000000000000-mapping.dmp

Download
memory/756-54-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

Filesize
8KB

Download
memory/1036-70-0x0000000000000000-mapping.dmp

Download
memory/1380-57-0x0000000000000000-mapping.dmp

Download
memory/1488-66-0x0000000000000000-mapping.dmp

Download
memory/1492-64-0x0000000000000000-mapping.dmp

Download
memory/1692-69-0x0000000000000000-mapping.dmp

Download
memory/1884-68-0x0000000000000000-mapping.dmp

Download
memory/1972-67-0x0000000000000000-mapping.dmp

Download
memory/2008-65-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads