joker | b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0

Analysis

max time kernel
150s
max time network
156s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
19-09-2022 00:00

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General

Target

b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe
Size

58KB
MD5

3d03d06498147d9797b194483343e7bc
SHA1

82a6fc72b53a6172552f5652eeff3978193c4bd5
SHA256

b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0
SHA512

dfb51b709a006baf3da587c681c93cbc94802aa0e47daae3ce5ecb97c4a9a7296527528335482b05cfbcc278b5f5651e10179dc9ef3a913015f3cd102370e84c
SSDEEP

768:61tCn/5uXkmSAV+HIJVtGTdLbRbMlvgIMYToQFTZJK536KQyi/7cgqT:WqoX8AV+otOdfIgIMYToQF9JKl3iTcgq

Score

10^/10

joker evasion infostealer persistence trojan

Malware Config

Signatures

joker
Joker is an Android malware that targets billing and SMS fraud.
infostealer trojan joker

Executes dropped EXE 1 IoCs

pid	Process
2948	inlC8ED.tmp

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1158

pid	Process
1940	attrib.exe
1656	attrib.exe

Loads dropped DLL 2 IoCs

pid	Process
2032	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe
2032	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\GrpConv = "grpconv -o"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\hsdfasd = "\"C:\\PROGRA~1\\FREERA~1\\tmp.\\a.{971C5380-92A0-5A69-B3EE-C3002B33309E}\" hh.exe"	rundll32.exe

Drops file in Program Files directory 15 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~1\FREERA~1\░╦╪╘╔½═╝.url	cmd.exe
File opened for modification	C:\PROGRA~1\FREERA~1\├└┼«└╓╘░.url	cmd.exe
File opened for modification	C:\PROGRA~1\FREERA~1\╠╘▒ª╣║╬∩.url	cmd.exe
File opened for modification	C:\PROGRA~1\FREERA~1\1.inf	cmd.exe
File created	C:\Program Files\FreeRapid\1.bat	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe
File created	C:\Program Files\FreeRapid\4.bat	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe
File opened for modification	C:\PROGRA~1\FREERA~1\╟º═┼═┼╣║.url	cmd.exe
File opened for modification	C:\PROGRA~1\INTERN~1\ieframe.dll	cmd.exe
File opened for modification	C:\PROGRA~1\FREERA~1\┐┤┐┤╡τ╙░.url	cmd.exe
File created	C:\PROGRA~1\INTERN~1\ieframe.dll	cmd.exe
File created	C:\Program Files\FreeRapid\2.bat	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe
File opened for modification	C:\PROGRA~1\FREERA~1\tmp\a.{971C5380-92A0-5A69-B3EE-C3002B33309E}	attrib.exe
File opened for modification	C:\PROGRA~1\FREERA~1\tmp	attrib.exe
File opened for modification	C:\PROGRA~1\FREERA~1\3.bat	cmd.exe
File opened for modification	C:\PROGRA~1\FREERA~1\2.inf	cmd.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\INF\setupapi.app.log	rundll32.exe
File opened for modification	C:\Windows\INF\setupapi.app.log	rundll32.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

T1012

System Information Discovery

T1082

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

Modifies Internet Explorer settings 1 TTPs 49 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	reg.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Enable = "1"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Main	reg.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\cnkankan.com	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "63"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.cnkankan.com\ = "126"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.henniu426.site	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.cnkankan.com	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "126"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\cnkankan.com\NumberOfSubdomains = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\henniu426.site\NumberOfSubdomains = "1"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Factor = "20"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.cnkankan.com\ = "63"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "189"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\henniu426.site\Total = "63"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Size = "10"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{0B36EF11-37B1-11ED-AD72-5E7A81A7298C} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\cnkankan.com\Total = "126"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.henniu426.site\ = "63"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\International\CpMRU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\cnkankan.com\Total = "63"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\henniu426.site	IEXPLORE.EXE

Modifies Internet Explorer start page 1 TTPs 2 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.82133.com/?o"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Start Page = "http://www.82133.com/?o"	reg.exe

Modifies registry class 9 IoCs

description	ioc	Process
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\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:\\PROGRA~1\\FREERA~1\\3.bat\""	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}	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	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H)	reg.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

description	pid	Process
Token: SeRestorePrivilege	1972	rundll32.exe
Token: SeRestorePrivilege	1972	rundll32.exe
Token: SeRestorePrivilege	1972	rundll32.exe
Token: SeRestorePrivilege	1972	rundll32.exe
Token: SeRestorePrivilege	1972	rundll32.exe
Token: SeRestorePrivilege	1972	rundll32.exe
Token: SeRestorePrivilege	1972	rundll32.exe
Token: SeRestorePrivilege	1584	rundll32.exe
Token: SeRestorePrivilege	1584	rundll32.exe
Token: SeRestorePrivilege	1584	rundll32.exe
Token: SeRestorePrivilege	1584	rundll32.exe
Token: SeRestorePrivilege	1584	rundll32.exe
Token: SeRestorePrivilege	1584	rundll32.exe
Token: SeRestorePrivilege	1584	rundll32.exe
Token: SeIncBasePriorityPrivilege	2032	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1636	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1636	iexplore.exe
1636	iexplore.exe
308	IEXPLORE.EXE
308	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 1800	2032	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe	29
PID 2032 wrote to memory of 1800	2032	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe	29
PID 2032 wrote to memory of 1800	2032	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe	29
PID 2032 wrote to memory of 1800	2032	b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe	29
PID 1800 wrote to memory of 456	1800	cmd.exe	31
PID 1800 wrote to memory of 456	1800	cmd.exe	31
PID 1800 wrote to memory of 456	1800	cmd.exe	31
PID 1800 wrote to memory of 456	1800	cmd.exe	31
PID 456 wrote to memory of 1636	456	cmd.exe	33
PID 456 wrote to memory of 1636	456	cmd.exe	33
PID 456 wrote to memory of 1636	456	cmd.exe	33
PID 456 wrote to memory of 1636	456	cmd.exe	33
PID 456 wrote to memory of 1972	456	cmd.exe	34
PID 456 wrote to memory of 1972	456	cmd.exe	34
PID 456 wrote to memory of 1972	456	cmd.exe	34
PID 456 wrote to memory of 1972	456	cmd.exe	34
PID 456 wrote to memory of 1972	456	cmd.exe	34
PID 456 wrote to memory of 1972	456	cmd.exe	34
PID 456 wrote to memory of 1972	456	cmd.exe	34
PID 456 wrote to memory of 1744	456	cmd.exe	35
PID 456 wrote to memory of 1744	456	cmd.exe	35
PID 456 wrote to memory of 1744	456	cmd.exe	35
PID 456 wrote to memory of 1744	456	cmd.exe	35
PID 1744 wrote to memory of 640	1744	cmd.exe	37
PID 1744 wrote to memory of 640	1744	cmd.exe	37
PID 1744 wrote to memory of 640	1744	cmd.exe	37
PID 1744 wrote to memory of 640	1744	cmd.exe	37
PID 1744 wrote to memory of 1016	1744	cmd.exe	38
PID 1744 wrote to memory of 1016	1744	cmd.exe	38
PID 1744 wrote to memory of 1016	1744	cmd.exe	38
PID 1744 wrote to memory of 1016	1744	cmd.exe	38
PID 1744 wrote to memory of 1684	1744	cmd.exe	40
PID 1744 wrote to memory of 1684	1744	cmd.exe	40
PID 1744 wrote to memory of 1684	1744	cmd.exe	40
PID 1744 wrote to memory of 1684	1744	cmd.exe	40
PID 1636 wrote to memory of 308	1636	iexplore.exe	39
PID 1636 wrote to memory of 308	1636	iexplore.exe	39
PID 1636 wrote to memory of 308	1636	iexplore.exe	39
PID 1636 wrote to memory of 308	1636	iexplore.exe	39
PID 1744 wrote to memory of 1672	1744	cmd.exe	41
PID 1744 wrote to memory of 1672	1744	cmd.exe	41
PID 1744 wrote to memory of 1672	1744	cmd.exe	41
PID 1744 wrote to memory of 1672	1744	cmd.exe	41
PID 1744 wrote to memory of 1132	1744	cmd.exe	42
PID 1744 wrote to memory of 1132	1744	cmd.exe	42
PID 1744 wrote to memory of 1132	1744	cmd.exe	42
PID 1744 wrote to memory of 1132	1744	cmd.exe	42
PID 1744 wrote to memory of 1940	1744	cmd.exe	43
PID 1744 wrote to memory of 1940	1744	cmd.exe	43
PID 1744 wrote to memory of 1940	1744	cmd.exe	43
PID 1744 wrote to memory of 1940	1744	cmd.exe	43
PID 1744 wrote to memory of 1656	1744	cmd.exe	44
PID 1744 wrote to memory of 1656	1744	cmd.exe	44
PID 1744 wrote to memory of 1656	1744	cmd.exe	44
PID 1744 wrote to memory of 1656	1744	cmd.exe	44
PID 1744 wrote to memory of 1584	1744	cmd.exe	45
PID 1744 wrote to memory of 1584	1744	cmd.exe	45
PID 1744 wrote to memory of 1584	1744	cmd.exe	45
PID 1744 wrote to memory of 1584	1744	cmd.exe	45
PID 1744 wrote to memory of 1584	1744	cmd.exe	45
PID 1744 wrote to memory of 1584	1744	cmd.exe	45
PID 1744 wrote to memory of 1584	1744	cmd.exe	45
PID 1744 wrote to memory of 1588	1744	cmd.exe	46
PID 1744 wrote to memory of 1588	1744	cmd.exe	46

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1940	attrib.exe
1656	attrib.exe

C:\Users\Admin\AppData\Local\Temp\b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe
"C:\Users\Admin\AppData\Local\Temp\b897b6b0ab04f40c82baee47e302a5201adb0efe6a70131f57f0c9bc023f3cc0.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\cuteftpmac09.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1800
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /K C:\PROGRA~1\FREERA~1\1.bat
    3⤵
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:456
  - - C:\PROGRA~1\INTERN~1\iexplore.exe
      C:\PROGRA~1\INTERN~1\IEXPLORE.EXE http://WWw.cnkankan.com/?82133
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1636
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1636 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:308
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\PROGRA~1\FREERA~1\1.inf
      4⤵
      Drops file in Windows directory
      Suspicious use of AdjustPrivilegeToken
      PID:1972
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /K C:\PROGRA~1\FREERA~1\2.bat
      4⤵
      Drops file in Program Files directory
      Suspicious use of WriteProcessMemory
      PID:1744
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKLM\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?o"" /f
        5⤵
        Modifies Internet Explorer settings
        Modifies Internet Explorer start page
        
        PID:640
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?o"" /f
        5⤵
        Modifies Internet Explorer settings
        Modifies Internet Explorer start page
        
        PID:1016
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?o"" /f
        5⤵
        
        PID:1684
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
        5⤵
        Modifies registry class
        
        PID:1672
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H)\Command" /v "" /d "wscript -e:vbs ""C:\PROGRA~1\FREERA~1\3.bat""" /f
        5⤵
        Modifies registry class
        
        PID:1132
    - - C:\Windows\SysWOW64\attrib.exe
        
        attrib +s +h C:\PROGRA~1\FREERA~1\tmp\a.{971C5380-92A0-5A69-B3EE-C3002B33309E}
        5⤵
        Sets file to hidden
        Drops file in Program Files directory
        Views/modifies file attributes
        
        PID:1940
    - - C:\Windows\SysWOW64\attrib.exe
        
        attrib +s +h C:\PROGRA~1\FREERA~1\tmp
        5⤵
        Sets file to hidden
        Drops file in Program Files directory
        Views/modifies file attributes
        
        PID:1656
    - - C:\Windows\SysWOW64\rundll32.exe
        
        rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\PROGRA~1\FREERA~1\2.inf
        5⤵
        Adds Run key to start application
        Drops file in Windows directory
        Suspicious use of AdjustPrivilegeToken
        
        PID:1584
      - C:\Windows\SysWOW64\runonce.exe
        
        "C:\Windows\system32\runonce.exe" -r
        6⤵
        Checks processor information in registry
        
        PID:1080
        
        C:\Windows\SysWOW64\grpconv.exe
        
        "C:\Windows\System32\grpconv.exe" -o
        7⤵
        
        PID:1732
    - - C:\Windows\SysWOW64\rundll32.exe
        
        rundll32 D:\VolumeDH\inj.dat,MainLoad
        5⤵
        
        PID:1588
- C:\Users\Admin\AppData\Local\Temp\inlC8ED.tmp
  C:\Users\Admin\AppData\Local\Temp\inlC8ED.tmp
  2⤵
  - Executes dropped EXE
  PID:2948
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\B897B6~1.EXE > nul
  2⤵
  PID:3024

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~1\FREERA~1\1.bat

Filesize
3KB

MD5
b7c5e3b416b1d1b5541ef44662e1a764

SHA1
8bff7ea2be2f3cf29f2381d8007198b5991ca3ae

SHA256
f1a2f9fdebb3cac24756e53fa5e1628b2bd1cc130480c1878e3b3bc880575cd1

SHA512
65dbd6a7a7cf6fec00e6b0f1d7d5655769e6087ad09cad74c91c5a3395e675ac8f9df5c7185327e6f8dd03ddb60504400f54237d9e4b53c8b08e7e3d41ee61fc

Download Submit
C:\PROGRA~1\FREERA~1\1.inf

Filesize
492B

MD5
34c14b8530e1094e792527f7a474fe77

SHA1
f71c4e9091140256b34c18220d1dd1efab1f301d

SHA256
fe0dfb3458bfe2a3632d365e00765fa10f14d62e7dfa8b70a055c7eb9fdb6713

SHA512
25bb09b526e1e9f5c6052f1f7c36b37c956c1b5649936af8df3abfcf120c931f3d2603e17a061cb99d8c8074bfb1973a5423cce89762fca53cd46aeb3e8944a2

Download Submit
C:\PROGRA~1\FREERA~1\2.bat

Filesize
3KB

MD5
6b78cb8ced798ca5df5612dd62ce0965

SHA1
5a9c299393b96b0bf8f6770e3c7b0318a9e2e0cf

SHA256
81f64f42edfac2863a55db8fabd528c4eefc67f7e658cad6a57eeec862e444e3

SHA512
b387ba10021f3284d1406d520a2c8b3ba0c87922d67c79394c1aa50c631194519ac6bb5b898956533f040d48e1c7b202734e0075f8fc8c8bfab82c8ef359b28e

Download Submit
C:\PROGRA~1\FREERA~1\2.inf

Filesize
230B

MD5
f6dcb2862f6e7f9e69fb7d18668c59f1

SHA1
bb23dbba95d8af94ecc36a7d2dd4888af2856737

SHA256
c68fe97c64b68f00b3cc853ae6a6d324b470a558df57eac2593487978592eb2c

SHA512
eefe630b776d2144df39e9c385824374b3d546e30293d7efe10cc2d6bf6f2c932162bf80add1c8ca58afcc868ad02b3ffc104c0f111f3827f4385ee9f26f5e75

Download Submit
C:\PROGRA~1\FREERA~1\4.bat

Filesize
12.3MB

MD5
5874544e15bd21f441143080b4f8ade0

SHA1
fb6e00395424d2d089da8e9273f5fb0622887c0c

SHA256
7c461958f01e46ffca95022263b6347516e0ad89e91788665fd2a0d51dfc9244

SHA512
0d73616e8545a32a939883ac00a65af055b4e6f5118eaa0dcc433c8596bd9623272db2db9d78d294f5446e673435db7050d0d9421747bea6b65f32fc18e35993

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\309axvf\imagestore.dat

Filesize
5KB

MD5
0b4e6b5372fd301267faee323a2c2e7d

SHA1
78477d6a996716581461027df2c12a22de58f801

SHA256
e33895cad49114f6e602d8c1c274a8e82a6e4038552371880b08283cfd0cd87b

SHA512
e59bc6bc24aebe591e46537a5d32e7fe7c3bf408faacccaffa6974feb86bac5430d87ef4ce59a374da2bf5bd8646062fa84434694d60b1b38eeb8b3476b32b8e

Download Submit
C:\Users\Admin\AppData\Local\Temp\cuteftpmac09.bat

Filesize
36B

MD5
0b53221b1332efb76ebd2ab7120ff78f

SHA1
e3dda4d21e35819eaf50e50c2aab2950ff1505b5

SHA256
05bbda79058985c35a48637dcbc66c73176e1f7e4c95e8aef8b762066b780388

SHA512
877637688f255d94b94feb3b2444678836db41644f6e1a7d1f902c8c12bab45785393a8f210215eebcdcb3526002632863bf54f026047aa1edee8481b26dddcd

Download Submit
C:\Users\Admin\AppData\Local\Temp\inlC8ED.tmp

Filesize
122.8MB

MD5
7a0ab1a314177ce60105cbde682b1f60

SHA1
b93df306d185f449181da9fa8318033ad94bbf00

SHA256
ce6aa661345756aca8dc2d8ee05a883559b08087f5ea9d1b35ed3c391dff2b9b

SHA512
3da651a2eaa351340794a99b068b34c359aa692aebae1268309b26cd6a67a319a41f805e072347652b9cca00c54d0a14fc7c066d632f1cb15c3321dc6906146b

Download Submit
C:\Users\Admin\AppData\Local\Temp\winrar_config.tmp

Filesize
611B

MD5
f6452f541207729878acc3efad9e53bc

SHA1
4584fd614383c394b09bbca936f35bf8bb0efcb3

SHA256
8287849f311e6c21ee79fd6cb695742833134f0ab249ba6ebd51f9588b88e1a9

SHA512
b41131969c8a4315ed0ffc492291f3a8f1ebde2a951090357b4f14d17db228bbd5432de23636ed65c97ad691820ea23fa18490dbe6638493f186ec32d589a2ed

Download Submit
\Users\Admin\AppData\Local\Temp\inlC8ED.tmp

Filesize
118.5MB

MD5
20ec6dbde7178f9ec45c6e2dbed97f00

SHA1
e542bf4e75b173ffef842b62815bcc466e5d95b9

SHA256
9c4c09d0143396228e819a79fd492dcc3c54f4a61c3dec1d82a1ae6e54ba9aa4

SHA512
a6173c57af75858578d1244b7abb0f7c982ee9255d54d58d334e1b513e809022ba9149476b2134d1302293694371b1e9d44046868422148b4227050dd98e5a7d

Download Submit
\Users\Admin\AppData\Local\Temp\inlC8ED.tmp

Filesize
118.5MB

MD5
20ec6dbde7178f9ec45c6e2dbed97f00

SHA1
e542bf4e75b173ffef842b62815bcc466e5d95b9

SHA256
9c4c09d0143396228e819a79fd492dcc3c54f4a61c3dec1d82a1ae6e54ba9aa4

SHA512
a6173c57af75858578d1244b7abb0f7c982ee9255d54d58d334e1b513e809022ba9149476b2134d1302293694371b1e9d44046868422148b4227050dd98e5a7d

Download Submit
memory/2032-71-0x0000000000680000-0x000000000068F000-memory.dmp

Filesize
60KB

Download
memory/2032-54-0x0000000075A71000-0x0000000075A73000-memory.dmp

Filesize
8KB

Download
memory/2032-56-0x0000000000020000-0x0000000000023000-memory.dmp

Filesize
12KB

Download
memory/2032-55-0x00000000009C0000-0x00000000009E7000-memory.dmp

Filesize
156KB

Download
memory/2032-93-0x00000000009C0000-0x00000000009E7000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads