joker | b72d8738a274854cdca09743e66dfed2df9d35807e47c06b7b20439168970567

pid	Process
4120	attrib.exe
432	attrib.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	b72d8738a274854cdca09743e66dfed2df9d35807e47c06b7b20439168970567.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\hsdfasd = "\"C:\\Users\\Admin\\AppData\\Roaming\\winamp\\tmp.\\a.{971C5380-92A0-5A69-B3EE-C3002B33309E}\" hh.exe"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\GrpConv = "grpconv -o"	rundll32.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
File opened (read-only)	\??\D:	cmd.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~1\INTERN~1\ieframe.dll	cmd.exe
File opened for modification	C:\PROGRA~1\INTERN~1\ieframe.dll	cmd.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	runonce.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	runonce.exe

Modifies Internet Explorer settings 1 TTPs 57 IoCs

adware spyware

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "126"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DOMStorage\henniu426.site	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3261353217"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30985149"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000043e2eb2e51ccf149ab640c8bdb0d790600000000020000000000106600000001000020000000483edeaea31ac14b8fec1ee30e6851baded75d0ebbe94668ae09f5d85ed915f2000000000e8000000002000020000000adaf3a869e32e8a1c8becbe78ed43f7dc31b20e236c01e5bcb4706f86efe4d8220000000453c09f624ec1f9f7fef167b3507a02fcf72752c9565dc83f659342d1bc2df5140000000dc384880689ff8d6ebb45daefb8b842cb57ff7134e2a669030ab775d2689b718cc1bc3548c31c0eb83161491180956845315fbcc1620a24fac2a6c38b5908bc1	iexplore.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\International\CpMRU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.cnkankan.com	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.cnkankan.com\ = "63"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\cnkankan.com\Total = "63"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\henniu426.site\NumberOfSubdomains = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{ED779F0A-37B0-11ED-A0EE-6E8F4548B5DC} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3261353217"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Size = "10"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Enable = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "189"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.henniu426.site	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.henniu426.site\ = "63"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 806a65cebdcbd801	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 70076fcebdcbd801	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "63"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\henniu426.site\Total = "63"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30985149"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\cnkankan.com	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Factor = "20"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.cnkankan.com\ = "126"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\cnkankan.com\Total = "126"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3285101965"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\cnkankan.com\NumberOfSubdomains = "1"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000043e2eb2e51ccf149ab640c8bdb0d790600000000020000000000106600000001000020000000d92f62eedda2e904d213ba8a755ca41297405e0875701e1d64b71e1cf20d812a000000000e800000000200002000000030efa8465b2e0c19dd6815dc3b543c0ef38fde375f375125d05ce35d9f13276120000000bad8e3b7444d5f570c42e05c20f8a572bfc301aeda4534aed1daa09b940c658c40000000d4ff0e4c77c79a566aeadde15ef0b501c9b1526e9c289928dd8ed9deabd548a1078bb70ea980465b01e5ddb45b5eb9c2d1b99cc2794947c10a9293f544943831	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DOMStorage\cnkankan.com	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30985149"	iexplore.exe

Modifies Internet Explorer start page 1 TTPs 2 IoCs

stealer

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://www.71628.com/?S"	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.71628.com/?S"	reg.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H)\Command\ = "wscript -e:vbs \"C:\\Users\\Admin\\AppData\\Roaming\\winamp\\3.bat\""	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\IsShortCut	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H)\Command	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H)	reg.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4596	b72d8738a274854cdca09743e66dfed2df9d35807e47c06b7b20439168970567.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1624	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1624	iexplore.exe
1624	iexplore.exe
4516	IEXPLORE.EXE
4516	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 56 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 544	4596	b72d8738a274854cdca09743e66dfed2df9d35807e47c06b7b20439168970567.exe	101
PID 4596 wrote to memory of 544	4596	b72d8738a274854cdca09743e66dfed2df9d35807e47c06b7b20439168970567.exe	101
PID 4596 wrote to memory of 544	4596	b72d8738a274854cdca09743e66dfed2df9d35807e47c06b7b20439168970567.exe	101
PID 544 wrote to memory of 5052	544	cmd.exe	103
PID 544 wrote to memory of 5052	544	cmd.exe	103
PID 544 wrote to memory of 5052	544	cmd.exe	103
PID 5052 wrote to memory of 1624	5052	cmd.exe	105
PID 5052 wrote to memory of 1624	5052	cmd.exe	105
PID 5052 wrote to memory of 8	5052	cmd.exe	106
PID 5052 wrote to memory of 8	5052	cmd.exe	106
PID 5052 wrote to memory of 8	5052	cmd.exe	106
PID 5052 wrote to memory of 1488	5052	cmd.exe	107
PID 5052 wrote to memory of 1488	5052	cmd.exe	107
PID 5052 wrote to memory of 1488	5052	cmd.exe	107
PID 1488 wrote to memory of 4588	1488	cmd.exe	109
PID 1488 wrote to memory of 4588	1488	cmd.exe	109
PID 1488 wrote to memory of 4588	1488	cmd.exe	109
PID 1488 wrote to memory of 3300	1488	cmd.exe	110
PID 1488 wrote to memory of 3300	1488	cmd.exe	110
PID 1488 wrote to memory of 3300	1488	cmd.exe	110
PID 4596 wrote to memory of 3720	4596	b72d8738a274854cdca09743e66dfed2df9d35807e47c06b7b20439168970567.exe	111
PID 4596 wrote to memory of 3720	4596	b72d8738a274854cdca09743e66dfed2df9d35807e47c06b7b20439168970567.exe	111
PID 4596 wrote to memory of 3720	4596	b72d8738a274854cdca09743e66dfed2df9d35807e47c06b7b20439168970567.exe	111
PID 1488 wrote to memory of 2732	1488	cmd.exe	112
PID 1488 wrote to memory of 2732	1488	cmd.exe	112
PID 1488 wrote to memory of 2732	1488	cmd.exe	112
PID 1624 wrote to memory of 4516	1624	iexplore.exe	113
PID 1624 wrote to memory of 4516	1624	iexplore.exe	113
PID 1624 wrote to memory of 4516	1624	iexplore.exe	113
PID 1488 wrote to memory of 2888	1488	cmd.exe	114
PID 1488 wrote to memory of 2888	1488	cmd.exe	114
PID 1488 wrote to memory of 2888	1488	cmd.exe	114
PID 1488 wrote to memory of 4144	1488	cmd.exe	115
PID 1488 wrote to memory of 4144	1488	cmd.exe	115
PID 1488 wrote to memory of 4144	1488	cmd.exe	115
PID 1488 wrote to memory of 4120	1488	cmd.exe	116
PID 1488 wrote to memory of 4120	1488	cmd.exe	116
PID 1488 wrote to memory of 4120	1488	cmd.exe	116
PID 1488 wrote to memory of 432	1488	cmd.exe	117
PID 1488 wrote to memory of 432	1488	cmd.exe	117
PID 1488 wrote to memory of 432	1488	cmd.exe	117
PID 1488 wrote to memory of 4384	1488	cmd.exe	118
PID 1488 wrote to memory of 4384	1488	cmd.exe	118
PID 1488 wrote to memory of 4384	1488	cmd.exe	118
PID 1488 wrote to memory of 4388	1488	cmd.exe	119
PID 1488 wrote to memory of 4388	1488	cmd.exe	119
PID 1488 wrote to memory of 4388	1488	cmd.exe	119
PID 4384 wrote to memory of 3848	4384	rundll32.exe	120
PID 4384 wrote to memory of 3848	4384	rundll32.exe	120
PID 4384 wrote to memory of 3848	4384	rundll32.exe	120
PID 3848 wrote to memory of 1104	3848	runonce.exe	121
PID 3848 wrote to memory of 1104	3848	runonce.exe	121
PID 3848 wrote to memory of 1104	3848	runonce.exe	121
PID 4596 wrote to memory of 1156	4596	b72d8738a274854cdca09743e66dfed2df9d35807e47c06b7b20439168970567.exe	124
PID 4596 wrote to memory of 1156	4596	b72d8738a274854cdca09743e66dfed2df9d35807e47c06b7b20439168970567.exe	124
PID 4596 wrote to memory of 1156	4596	b72d8738a274854cdca09743e66dfed2df9d35807e47c06b7b20439168970567.exe	124

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

pid	Process
4120	attrib.exe
432	attrib.exe

C:\Users\Admin\AppData\Local\Temp\b72d8738a274854cdca09743e66dfed2df9d35807e47c06b7b20439168970567.exe
"C:\Users\Admin\AppData\Local\Temp\b72d8738a274854cdca09743e66dfed2df9d35807e47c06b7b20439168970567.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4596
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\start_min_bat.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:544
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\winamp\1.bat
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5052
  - - C:\PROGRA~1\INTERN~1\iexplore.exe
      C:\PROGRA~1\INTERN~1\IEXPLORE.EXE http://www.cnkankan.com/?71628
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1624
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1624 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4516
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\winamp\1.inf
      4⤵
      PID:8
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\winamp\2.bat
      4⤵
      Enumerates connected drives
      Drops file in Program Files directory
      Suspicious use of WriteProcessMemory
      PID:1488
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKLM\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.71628.com/?S"" /f
        5⤵
        Modifies Internet Explorer settings
        Modifies Internet Explorer start page
        
        PID:4588
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.71628.com/?S"" /f
        5⤵
        Modifies Internet Explorer settings
        Modifies Internet Explorer start page
        
        PID:3300
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKCU\Software\tmp" /v "key" /d ""http://www.71628.com/?S"" /f
        5⤵
        
        PID:2732
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
        5⤵
        Modifies registry class
        
        PID:2888
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H)\Command" /v "" /d "wscript -e:vbs ""C:\Users\Admin\AppData\Roaming\winamp\3.bat""" /f
        5⤵
        Modifies registry class
        
        PID:4144
    - - C:\Windows\SysWOW64\attrib.exe
        
        attrib +s +h C:\Users\Admin\AppData\Roaming\winamp\tmp\a.{971C5380-92A0-5A69-B3EE-C3002B33309E}
        5⤵
        Sets file to hidden
        Views/modifies file attributes
        
        PID:4120
    - - C:\Windows\SysWOW64\attrib.exe
        
        attrib +s +h C:\Users\Admin\AppData\Roaming\winamp\tmp
        5⤵
        Sets file to hidden
        Views/modifies file attributes
        
        PID:432
    - - C:\Windows\SysWOW64\rundll32.exe
        
        rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\winamp\2.inf
        5⤵
        Adds Run key to start application
        Suspicious use of WriteProcessMemory
        
        PID:4384
      - C:\Windows\SysWOW64\runonce.exe
        
        "C:\Windows\system32\runonce.exe" -r
        6⤵
        Checks processor information in registry
        Suspicious use of WriteProcessMemory
        
        PID:3848
        
        C:\Windows\SysWOW64\grpconv.exe
        
        "C:\Windows\System32\grpconv.exe" -o
        7⤵
        
        PID:1104
    - - C:\Windows\SysWOW64\rundll32.exe
        
        rundll32 D:\VolumeDH\inj.dat,MainLoad
        5⤵
        
        PID:4388
- C:\Users\Admin\AppData\Local\Temp\inl1C30.tmp
  C:\Users\Admin\AppData\Local\Temp\inl1C30.tmp
  2⤵
  - Executes dropped EXE
  PID:3720
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\B72D87~1.EXE > nul
  2⤵
  PID:1156

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery