a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7

General

Target

a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Size

64KB
MD5

d721e2bf9abc01139dcebd832734eb86
SHA1

a1c1f777e8b73dd61b89166798bf05163355c0ef
SHA256

a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7
SHA512

b8d04c658f5a9ad4bd4b3c0940ff24b8f9fc00447293fa3c285d2ac917829aa97864ad6da914e05bce09ecae60a997b69e52978f44dc15fa402e8324e655216a
SSDEEP

1536:8g/9T8ROcQupqqusN3mrS/ztMhkywRFUnTmc5n4IIIIIIIIIIIIIIIIII/IIIIIn:8g585LpPCrQt7F84IIIIIIIIIIIIIIIl

Score

10^/10

aspackv2 discovery evasion persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 3 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

SMSSxn.exeSMSSxn.exea812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe SMSSxn.exe"	SMSSxn.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe SMSSxn.exe"	SMSSxn.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe SMSSxn.exe"	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Processes:

a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exeSMSSxn.exe

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	SMSSxn.exe

Disables RegEdit via registry modification 2 IoCs

evasion

Processes:

a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exeSMSSxn.exe

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	SMSSxn.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
behavioral2/files/0x000c000000023b03-3.dat	aspack_v212_v242

Executes dropped EXE 2 IoCs

Processes:

SMSSxn.exeSMSSxn.exe

pid	Process
688	SMSSxn.exe
2936	SMSSxn.exe

Modifies system executable filetype association 2 TTPs 8 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\Shell\open\command	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\Shell\open\command	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\Shell\open\command	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\Shell\open\command	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Service Host = "C:\\Windows\\SMSSxn.exe"	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe

Drops file in Windows directory 28 IoCs

Processes:

a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exeSMSSxn.exeSMSSxn.exe

description	ioc	Process
File created	C:\Windows\SMSSxn.exe	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton Antispam 2004 Crack.exe	SMSSxn.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\BearShare Pro 4.3.0 Keygen.exe	SMSSxn.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Sophos AntiVirus v3.74 Crack.exe	SMSSxn.exe
File opened for modification	C:\Windows\SMSSxn.exe	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee Personal Firewall Plus 2004 Crack.exe	SMSSxn.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\NetObjects Fusion v7.5 Crack.exe	SMSSxn.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Microsoft Office System Professional V2003 Crack.exe	SMSSxn.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	SMSSxn.exe
File created	C:\Windows\svchost.exe	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
File created	C:\Windows\message.dat	SMSSxn.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Half Life 2 Keygen.exe	SMSSxn.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\NetObjects Fusion v7.5 Crack.exe	SMSSxn.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\iMesh 4.2 Ad Remover Crack.exe	SMSSxn.exe
File opened for modification	C:\Windows\svchost.exe	SMSSxn.exe
File created	C:\Windows\SMSSxn.exe	SMSSxn.exe
File created	C:\Windows\SMSSxn.exe	SMSSxn.exe
File opened for modification	C:\Windows\svchost.exe	SMSSxn.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	SMSSxn.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee Personal Firewall Plus 2004 Crack.exe	SMSSxn.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Microsoft Office System Professional V2003 Crack.exe	SMSSxn.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Sophos AntiVirus v3.74 Crack.exe	SMSSxn.exe
File created	C:\Windows\message.htm	SMSSxn.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Half Life 2 Keygen.exe	SMSSxn.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton Antispam 2004 Crack.exe	SMSSxn.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\BearShare Pro 4.3.0 Keygen.exe	SMSSxn.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\iMesh 4.2 Ad Remover Crack.exe	SMSSxn.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

SMSSxn.exea812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exeSMSSxn.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SMSSxn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SMSSxn.exe

Modifies data under HKEY_USERS 13 IoCs

Processes:

SMSSxn.exe

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies	SMSSxn.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	SMSSxn.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{40DD6E20-7C17-11CE-A804-00AA003CA9F6} {000214FC-0000-0000-C000-000000000046} 0xFFFF = 01000000000000003a7121f8893cdb01	SMSSxn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer	SMSSxn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced	SMSSxn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System	SMSSxn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	SMSSxn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	SMSSxn.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\TelemetrySalt = "7"	SMSSxn.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	SMSSxn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	SMSSxn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	SMSSxn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached	SMSSxn.exe

Modifies registry class 12 IoCs

Processes:

a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\cmdfile\Shell\open\command	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\Shell\open\command	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" /S"	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\Shell\open\command	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cmdfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\Shell\open\command	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\Shell\open\command	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\Shell\open\command	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

SMSSxn.exe

pid	Process
2936	SMSSxn.exe
2936	SMSSxn.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe

description	pid	Process	procid_target
PID 4420 wrote to memory of 688	4420	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe	82
PID 4420 wrote to memory of 688	4420	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe	82
PID 4420 wrote to memory of 688	4420	a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe	82

C:\Users\Admin\AppData\Local\Temp\a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe
"C:\Users\Admin\AppData\Local\Temp\a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7.exe"
1⤵
- Modifies WinLogon for persistence
- Modifies visiblity of hidden/system files in Explorer
- Disables RegEdit via registry modification
- Modifies system executable filetype association
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4420
- C:\Windows\SMSSxn.exe
  "C:\Windows\SMSSxn.exe" -xInstallOurNiceServicesYes
  2⤵
  - Modifies WinLogon for persistence
  - Modifies visiblity of hidden/system files in Explorer
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:688

C:\Windows\SMSSxn.exe
C:\Windows\SMSSxn.exe -xStartOurNiceServicesYes
1⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:2936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SMSSxn.exe

Filesize
64KB

MD5
d721e2bf9abc01139dcebd832734eb86

SHA1
a1c1f777e8b73dd61b89166798bf05163355c0ef

SHA256
a812ed1d18abc7ac7a202c491ce11a2166a5848118eed23502ed91a102d862c7

SHA512
b8d04c658f5a9ad4bd4b3c0940ff24b8f9fc00447293fa3c285d2ac917829aa97864ad6da914e05bce09ecae60a997b69e52978f44dc15fa402e8324e655216a

Download Submit
C:\Windows\svchost.exe

Filesize
64KB

MD5
ced25138e2206d96f27ede668b041915

SHA1
af5322f5b81edb63215bed96ebedd23af47c1f82

SHA256
0b6ec22db9fb4d22d44e1d7965a3db8cf48e0ecc058dd430b73d0f02ea76d894

SHA512
83eaa3b64aa38f7611081ec19072d7df1c65449daf6d6870ebb2fe14780db8f932ae9a812744dc25393cd051ce83b67869bd17545ffd2408a74090522399496c

Download Submit
memory/688-7-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2936-42-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2936-63-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2936-36-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2936-55-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4420-45-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4420-56-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4420-43-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4420-39-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4420-48-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4420-54-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4420-37-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4420-41-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4420-58-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4420-60-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4420-62-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4420-35-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4420-64-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4420-66-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads