589bae8f594f4259c0f7c41192939a9d38d693fdc48061ef017ebe311f794b9a

Reason

Machine shutdown

General

Target

mara-fix_1.5/Eset Fix.exe
Size

711KB
MD5

5f45b1b2eee537288ab579ba2119a00e
SHA1

b383a82af3b16b0a6259283a6d8dcba373412863
SHA256

8e83308224a56c555b856e82d8e8296966f6339fa89877adf817b13f1ce9f53f
SHA512

4b16bbc9831a6fbfdf6176bbf3f648e51aae82b597d1d5b7242d36789034f71067e87eadaf2a835320dfc4d18772d28ba47d784bc04282d137703bf08bd95068
SSDEEP

12288:TnNhuBoY8SorxgmA+nlvVlkbw5F53Vo7lKZMItwdgcCYILEpshKVlZvFp8pzmSK1:TPatCg7EPibwHjo7lKq63cCEpshK9pas

Score

10^/10

discovery evasion execution persistence upx

Malware Config

Signatures

Disables service(s) 3 TTPs
evasion execution

Windows Service
T1543.003

Service Stop
T1489

Service Execution
T1569.002

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\.EsetTrialReset\ImagePath = "C:\\Windows\\reset.exe /s"	Eset Fix.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4200-0-0x0000000000400000-0x00000000004CE000-memory.dmp	upx
behavioral2/files/0x0008000000023514-16.dat	upx
behavioral2/memory/4200-17-0x0000000000400000-0x00000000004CE000-memory.dmp	upx
behavioral2/memory/4200-18-0x0000000000400000-0x00000000004CE000-memory.dmp	upx
behavioral2/memory/4200-20-0x0000000000400000-0x00000000004CE000-memory.dmp	upx

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4200-17-0x0000000000400000-0x00000000004CE000-memory.dmp	autoit_exe
behavioral2/memory/4200-18-0x0000000000400000-0x00000000004CE000-memory.dmp	autoit_exe
behavioral2/memory/4200-20-0x0000000000400000-0x00000000004CE000-memory.dmp	autoit_exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\reset.exe	Eset Fix.exe
File opened for modification	C:\Windows\reset.exe	Eset Fix.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2452	sc.exe
4764	sc.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 8 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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Eset Fix.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "242"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4200	Eset Fix.exe

Suspicious use of FindShellTrayWindow 35 IoCs

pid	Process
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe

Suspicious use of SendNotifyMessage 35 IoCs

pid	Process
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe
4200	Eset Fix.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1668	LogonUI.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4200 wrote to memory of 1940	4200	Eset Fix.exe	87
PID 4200 wrote to memory of 1940	4200	Eset Fix.exe	87
PID 4200 wrote to memory of 1940	4200	Eset Fix.exe	87
PID 1940 wrote to memory of 2452	1940	cmd.exe	89
PID 1940 wrote to memory of 2452	1940	cmd.exe	89
PID 1940 wrote to memory of 2452	1940	cmd.exe	89
PID 4200 wrote to memory of 2448	4200	Eset Fix.exe	90
PID 4200 wrote to memory of 2448	4200	Eset Fix.exe	90
PID 4200 wrote to memory of 2448	4200	Eset Fix.exe	90
PID 2448 wrote to memory of 4764	2448	cmd.exe	92
PID 2448 wrote to memory of 4764	2448	cmd.exe	92
PID 2448 wrote to memory of 4764	2448	cmd.exe	92
PID 4200 wrote to memory of 2820	4200	Eset Fix.exe	100
PID 4200 wrote to memory of 2820	4200	Eset Fix.exe	100
PID 4200 wrote to memory of 2820	4200	Eset Fix.exe	100
PID 2820 wrote to memory of 3056	2820	cmd.exe	102
PID 2820 wrote to memory of 3056	2820	cmd.exe	102
PID 2820 wrote to memory of 3056	2820	cmd.exe	102
PID 3056 wrote to memory of 1728	3056	net.exe	103
PID 3056 wrote to memory of 1728	3056	net.exe	103
PID 3056 wrote to memory of 1728	3056	net.exe	103

C:\Users\Admin\AppData\Local\Temp\mara-fix_1.5\Eset Fix.exe
"C:\Users\Admin\AppData\Local\Temp\mara-fix_1.5\Eset Fix.exe"
1⤵
- Sets service image path in registry
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4200
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c sc config ekrn start= disabled
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1940
- - C:\Windows\SysWOW64\sc.exe
    sc config ekrn start= disabled
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2452
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c sc config ekrn start= auto
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2448
- - C:\Windows\SysWOW64\sc.exe
    sc config ekrn start= auto
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:4764
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c net start ekrn
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2820
- - C:\Windows\SysWOW64\net.exe
    net start ekrn
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3056
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start ekrn
      4⤵
      System Location Discovery: System Language Discovery
      PID:1728

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39bb055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

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

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

Defense Evasion

Modify Registry

1

T1112

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

Service Stop

1

T1489

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Downloads

C:\Windows\reset.exe

Filesize
348KB

MD5
2e5445a4c9e9a5d1168205aec44aeacf

SHA1
a73a1c1bf8416150249f6d829c1f465aba75aed2

SHA256
fe8fba8417fd77dac4a33fe4a1d661960144f94e8db505edac9f169cbe7dcddb

SHA512
f52c2c921f00514185d866fc70cbede7bd5e6543cab8c7cc772438f86485e3319617c0d359675de2e033d13c537e97ad6d5345aeb404c370e1519048b27691ad

Download Submit
memory/4200-0-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/4200-17-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/4200-18-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/4200-20-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads