999af3387099125310876d7e66923c26f3d799788e9bbad43ba69baafc53dc44

General

Target
jaffacakes118_999af3387099125310876d7e66923c26f3d799788e9bbad43ba69baafc53dc44.exe
Size 4.4MB
Sample260924-kr9ftasvcs
SHA256 999af3387099125310876d7e66923c26f3d799788e9bbad43ba69baafc53dc44
MD5 2beb078cf30d7ba17f91411620a6c51d
SHA1 5c0c3d22699481eb0fb9480a48dc2e9b73367a8e
SHA512 7c3254d58d49f59dc68b35e48d46f1e8b41c542c11c751b9d42c8fcf1e6f756c7ae9296817220ae69218ad3a5db170e782d6192bfd7c4f6664f1d74a899f1f2d
SSDEEP 6144:Bm8z/o87OlzE5TKHpd3yWhKWxCvnblXZ5m:gHpd3FKWxCvnbNZ5
TLSH
T1F426E9327650D152D883B631396FECE130636CA9DBCD919B6142F75A3BB7A31DC8C90A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

defense_evasion discovery persistence privilege_escalation

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 2 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3400	netsh.exe
4340	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
4156	inetinfx.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicrosoftUpgrade = "C:\\WINDOWS\\inetinfx.exe"	jaffacakes118_999af3387099125310876d7e66923c26f3d799788e9bbad43ba69baafc53dc44.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicrosoftUpgrade = "C:\\WINDOWS\\inetinfx.exe"	inetinfx.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\WINDOWS\inetinfx.exe	inetinfx.exe
File created	C:\WINDOWS\inetinfx.exe	jaffacakes118_999af3387099125310876d7e66923c26f3d799788e9bbad43ba69baafc53dc44.exe
File opened for modification	C:\WINDOWS\inetinfx.exe	jaffacakes118_999af3387099125310876d7e66923c26f3d799788e9bbad43ba69baafc53dc44.exe
File created	C:\Windows\inidirx.ini	jaffacakes118_999af3387099125310876d7e66923c26f3d799788e9bbad43ba69baafc53dc44.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_999af3387099125310876d7e66923c26f3d799788e9bbad43ba69baafc53dc44.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	inetinfx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3908	jaffacakes118_999af3387099125310876d7e66923c26f3d799788e9bbad43ba69baafc53dc44.exe
4156	inetinfx.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 3400	3908	jaffacakes118_999af3387099125310876d7e66923c26f3d799788e9bbad43ba69baafc53dc44.exe	88
PID 4156 wrote to memory of 4340	4156	inetinfx.exe	92

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_999af3387099125310876d7e66923c26f3d799788e9bbad43ba69baafc53dc44.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_999af3387099125310876d7e66923c26f3d799788e9bbad43ba69baafc53dc44.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3908
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall set opmode mode=disable
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:3400

C:\WINDOWS\inetinfx.exe
C:\WINDOWS\inetinfx.exe
1⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4156
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall set opmode mode=disable
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:4340

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:4892

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

inetinfx.exe

Path C:\WINDOWS\inetinfx.exe
Size 4.4MB
SHA256 999af3387099125310876d7e66923c26f3d799788e9bbad43ba69baafc53dc44
MD5 2beb078cf30d7ba17f91411620a6c51d
SHA1 5c0c3d22699481eb0fb9480a48dc2e9b73367a8e
SHA512 7c3254d58d49f59dc68b35e48d46f1e8b41c542c11c751b9d42c8fcf1e6f756c7ae9296817220ae69218ad3a5db170e782d6192bfd7c4f6664f1d74a899f1f2d
SSDEEP 6144:Bm8z/o87OlzE5TKHpd3yWhKWxCvnblXZ5m:gHpd3FKWxCvnbNZ5
TLSH
T1F426E9327650D152D883B631396FECE130636CA9DBCD919B6142F75A3BB7A31DC8C90A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3908-0-0x0000000000400000-0x0000000000866000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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