899564567d6b57566e315f0bad9133138c62cb6d58bcd35756da01837fb1d08c

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	64d701df4bc3b3a7d17134fa09874c14.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	inl437A.tmp

Executes dropped EXE 1 IoCs

pid	Process
4808	inl437A.tmp

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\hsdfasd = "\"C:\\Users\\Admin\\AppData\\Roaming\\redload\\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).

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 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 25 IoCs

adware spyware

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2744820919"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31082977"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31082977"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main	reg.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{CE87D16D-B5D4-11EE-B6AD-52EF8B93895E} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2744820919"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2789197244"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31082977"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	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.82133.com/?S"	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.82133.com/?S"	reg.exe

Modifies registry class 9 IoCs

description	ioc	Process
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\\redload\\3.bat\""	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}\Shell	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\open(&H)	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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4808	inl437A.tmp
Token: SeIncBasePriorityPrivilege	3624	64d701df4bc3b3a7d17134fa09874c14.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4228	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4228	iexplore.exe
4228	iexplore.exe
1884	IEXPLORE.EXE
1884	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 59 IoCs

description	pid	Process	procid_target
PID 3624 wrote to memory of 1312	3624	64d701df4bc3b3a7d17134fa09874c14.exe	96
PID 3624 wrote to memory of 1312	3624	64d701df4bc3b3a7d17134fa09874c14.exe	96
PID 3624 wrote to memory of 1312	3624	64d701df4bc3b3a7d17134fa09874c14.exe	96
PID 1312 wrote to memory of 3976	1312	cmd.exe	98
PID 1312 wrote to memory of 3976	1312	cmd.exe	98
PID 1312 wrote to memory of 3976	1312	cmd.exe	98
PID 3976 wrote to memory of 4424	3976	cmd.exe	100
PID 3976 wrote to memory of 4424	3976	cmd.exe	100
PID 3976 wrote to memory of 4424	3976	cmd.exe	100
PID 3976 wrote to memory of 3720	3976	cmd.exe	101
PID 3976 wrote to memory of 3720	3976	cmd.exe	101
PID 3976 wrote to memory of 3720	3976	cmd.exe	101
PID 3976 wrote to memory of 1452	3976	cmd.exe	102
PID 3976 wrote to memory of 1452	3976	cmd.exe	102
PID 3976 wrote to memory of 1452	3976	cmd.exe	102
PID 3976 wrote to memory of 4288	3976	cmd.exe	103
PID 3976 wrote to memory of 4288	3976	cmd.exe	103
PID 3976 wrote to memory of 4288	3976	cmd.exe	103
PID 3976 wrote to memory of 2140	3976	cmd.exe	104
PID 3976 wrote to memory of 2140	3976	cmd.exe	104
PID 3976 wrote to memory of 2140	3976	cmd.exe	104
PID 3976 wrote to memory of 4844	3976	cmd.exe	105
PID 3976 wrote to memory of 4844	3976	cmd.exe	105
PID 3976 wrote to memory of 4844	3976	cmd.exe	105
PID 3976 wrote to memory of 2796	3976	cmd.exe	106
PID 3976 wrote to memory of 2796	3976	cmd.exe	106
PID 3976 wrote to memory of 2796	3976	cmd.exe	106
PID 3976 wrote to memory of 4004	3976	cmd.exe	107
PID 3976 wrote to memory of 4004	3976	cmd.exe	107
PID 3976 wrote to memory of 4004	3976	cmd.exe	107
PID 3976 wrote to memory of 4800	3976	cmd.exe	108
PID 3976 wrote to memory of 4800	3976	cmd.exe	108
PID 3976 wrote to memory of 4800	3976	cmd.exe	108
PID 4004 wrote to memory of 3888	4004	rundll32.exe	110
PID 4004 wrote to memory of 3888	4004	rundll32.exe	110
PID 4004 wrote to memory of 3888	4004	rundll32.exe	110
PID 3624 wrote to memory of 4808	3624	64d701df4bc3b3a7d17134fa09874c14.exe	109
PID 3624 wrote to memory of 4808	3624	64d701df4bc3b3a7d17134fa09874c14.exe	109
PID 3624 wrote to memory of 4808	3624	64d701df4bc3b3a7d17134fa09874c14.exe	109
PID 3888 wrote to memory of 368	3888	runonce.exe	111
PID 3888 wrote to memory of 368	3888	runonce.exe	111
PID 3888 wrote to memory of 368	3888	runonce.exe	111
PID 4808 wrote to memory of 3116	4808	inl437A.tmp	113
PID 4808 wrote to memory of 3116	4808	inl437A.tmp	113
PID 4808 wrote to memory of 3116	4808	inl437A.tmp	113
PID 3976 wrote to memory of 4796	3976	cmd.exe	114
PID 3976 wrote to memory of 4796	3976	cmd.exe	114
PID 3976 wrote to memory of 4796	3976	cmd.exe	114
PID 4796 wrote to memory of 4228	4796	cmd.exe	117
PID 4796 wrote to memory of 4228	4796	cmd.exe	117
PID 4796 wrote to memory of 3728	4796	cmd.exe	118
PID 4796 wrote to memory of 3728	4796	cmd.exe	118
PID 4796 wrote to memory of 3728	4796	cmd.exe	118
PID 4228 wrote to memory of 1884	4228	iexplore.exe	119
PID 4228 wrote to memory of 1884	4228	iexplore.exe	119
PID 4228 wrote to memory of 1884	4228	iexplore.exe	119
PID 3624 wrote to memory of 4144	3624	64d701df4bc3b3a7d17134fa09874c14.exe	120
PID 3624 wrote to memory of 4144	3624	64d701df4bc3b3a7d17134fa09874c14.exe	120
PID 3624 wrote to memory of 4144	3624	64d701df4bc3b3a7d17134fa09874c14.exe	120

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4844	attrib.exe
2796	attrib.exe

C:\Users\Admin\AppData\Local\Temp\64d701df4bc3b3a7d17134fa09874c14.exe
"C:\Users\Admin\AppData\Local\Temp\64d701df4bc3b3a7d17134fa09874c14.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3624
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\start_max_bat.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1312
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\redload\1.bat
    3⤵
    - Enumerates connected drives
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:3976
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?S"" /f
      4⤵
      Modifies Internet Explorer settings
      Modifies Internet Explorer start page
      PID:4424
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?S"" /f
      4⤵
      Modifies Internet Explorer settings
      Modifies Internet Explorer start page
      PID:3720
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?S"" /f
      4⤵
      PID:1452
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
      4⤵
      Modifies registry class
      PID:4288
  - - 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\redload\3.bat""" /f
      4⤵
      Modifies registry class
      PID:2140
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +s +h C:\Users\Admin\AppData\Roaming\redload\tmp\a.{971C5380-92A0-5A69-B3EE-C3002B33309E}
      4⤵
      Sets file to hidden
      Views/modifies file attributes
      PID:4844
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +s +h C:\Users\Admin\AppData\Roaming\redload\tmp
      4⤵
      Sets file to hidden
      Views/modifies file attributes
      PID:2796
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\redload\2.inf
      4⤵
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:4004
    - - C:\Windows\SysWOW64\runonce.exe
        
        "C:\Windows\system32\runonce.exe" -r
        5⤵
        Checks processor information in registry
        Suspicious use of WriteProcessMemory
        
        PID:3888
      - C:\Windows\SysWOW64\grpconv.exe
        
        "C:\Windows\System32\grpconv.exe" -o
        6⤵
        
        PID:368
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32 D:\VolumeDH\inj.dat,MainLoad
      4⤵
      PID:4800
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\redload\2.bat
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4796
    - - C:\PROGRA~1\INTERN~1\iexplore.exe
        
        C:\PROGRA~1\INTERN~1\IEXPLORE.EXE http://www.cnkankan.com/?82133
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:4228
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4228 CREDAT:17410 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1884
    - - C:\Windows\SysWOW64\rundll32.exe
        
        rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\redload\1.inf
        5⤵
        
        PID:3728
- C:\Users\Admin\AppData\Local\Temp\inl437A.tmp
  C:\Users\Admin\AppData\Local\Temp\inl437A.tmp
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4808
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inl437A.tmp > nul
    3⤵
    PID:3116
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\64D701~1.EXE > nul
  2⤵
  PID:4144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery