46dc49be65d7165e2a6009854a4f27f0088230199e61e0555cb1bd266535874a

Analysis

max time kernel
143s
max time network
133s
platform
windows7_x64
resource
win7v200722
submitted
11-08-2020 12:30

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General

Target

foo/457cfd3e7a53e7500f8206b3ea300aca.exe

Score

7^/10

adware discovery persistence stealer

Malware Config

Signatures

Loads dropped DLL 6 IoCs

Processes:

457cfd3e7a53e7500f8206b3ea300aca.exeregsvr32.exe

pid	process
1508	457cfd3e7a53e7500f8206b3ea300aca.exe
1508	457cfd3e7a53e7500f8206b3ea300aca.exe
1508	457cfd3e7a53e7500f8206b3ea300aca.exe
1508	457cfd3e7a53e7500f8206b3ea300aca.exe
1508	457cfd3e7a53e7500f8206b3ea300aca.exe
364	regsvr32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

457cfd3e7a53e7500f8206b3ea300aca.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\cgebaovkiz = "C:\\Windows\\System32\\regsvr32.exe /s \"C:\\Windows\\system32\\tiwghucpldhdptaq.dll\""	457cfd3e7a53e7500f8206b3ea300aca.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\cgebaovkiz = "C:\\Windows\\System32\\regsvr32.exe /s \"C:\\Windows\\system32\\tiwghucpldhdptaq.dll\""	regsvr32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Installs/modifies Browser Helper Object 2 TTPs
BHOs are DLL modules which act as plugins for Internet Explorer.
stealer adware

Modify Registry
T1112

Browser Extensions
T1176

Drops file in System32 directory 2 IoCs

Processes:

457cfd3e7a53e7500f8206b3ea300aca.exe

description	ioc	process
File created	C:\Windows\SysWOW64\tiwghucpldhdptaq.dll	457cfd3e7a53e7500f8206b3ea300aca.exe
File created	C:\Windows\SysWOW64\eboptoadhqtxw.exe	457cfd3e7a53e7500f8206b3ea300aca.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 35 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "303921370"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 7062ad6eec6fd601	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{96637D91-DBDF-11EA-BA32-7EAB92A5770B} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000004183579d8c208a459c82062b1c0c5bf900000000020000000000106600000001000020000000f6f8e3e8314513f99801fc9be16104ab63df1fb08d74d474dad2a5c1a2e7e2e9000000000e800000000200002000000008008d683c2efa66fb6aa216f54310089b4bf2d4e5b674f43f2706d19a257f2520000000b69dc5d81eb89a65cc61f787f374d169c51f56629d2b5d3fec0ec5fad37307f94000000076182e959d50d6eb1289a11143d58b2e244070128908f7c2349748d3c9fab23c065e354b92d468862c63edc8dbc87ddbc30678842bdd10daba9d9cef89454c9c	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe

Modifies registry class 10 IoCs

Processes:

regsvr32.exe457cfd3e7a53e7500f8206b3ea300aca.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{173DD2D5-260C-4F6F-AD45-20BC38F7EA35}\InProcServer32\ = "C:\\Windows\\SysWow64\\tiwghucpldhdptaq.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{173DD2D5-260C-4F6F-AD45-20BC38F7EA35}\ = "innbanner browser enhancer"	457cfd3e7a53e7500f8206b3ea300aca.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{173DD2D5-260C-4F6F-AD45-20BC38F7EA35}\InProcServer32	457cfd3e7a53e7500f8206b3ea300aca.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{173DD2D5-260C-4F6F-AD45-20BC38F7EA35}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{173DD2D5-260C-4F6F-AD45-20BC38F7EA35}\ = "innbanner browser enhancer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{173DD2D5-260C-4F6F-AD45-20BC38F7EA35}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{173DD2D5-260C-4F6F-AD45-20BC38F7EA35}	457cfd3e7a53e7500f8206b3ea300aca.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{173DD2D5-260C-4F6F-AD45-20BC38F7EA35}\InProcServer32\ThreadingModel = "Apartment"	457cfd3e7a53e7500f8206b3ea300aca.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{173DD2D5-260C-4F6F-AD45-20BC38F7EA35}\InProcServer32\ = "C:\\Windows\\SysWow64\\tiwghucpldhdptaq.dll"	457cfd3e7a53e7500f8206b3ea300aca.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{173DD2D5-260C-4F6F-AD45-20BC38F7EA35}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1776 iexplore.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1776 iexplore.exe
1776 iexplore.exe
1880 IEXPLORE.EXE
1880 IEXPLORE.EXE

pid	process
1776	iexplore.exe

pid	process
1776	iexplore.exe
1776	iexplore.exe
1880	IEXPLORE.EXE
1880	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

457cfd3e7a53e7500f8206b3ea300aca.exeiexplore.exe

description	pid	process	target process
PID 1508 wrote to memory of 364	1508	457cfd3e7a53e7500f8206b3ea300aca.exe	regsvr32.exe
PID 1508 wrote to memory of 364	1508	457cfd3e7a53e7500f8206b3ea300aca.exe	regsvr32.exe
PID 1508 wrote to memory of 364	1508	457cfd3e7a53e7500f8206b3ea300aca.exe	regsvr32.exe
PID 1508 wrote to memory of 364	1508	457cfd3e7a53e7500f8206b3ea300aca.exe	regsvr32.exe
PID 1508 wrote to memory of 364	1508	457cfd3e7a53e7500f8206b3ea300aca.exe	regsvr32.exe
PID 1508 wrote to memory of 364	1508	457cfd3e7a53e7500f8206b3ea300aca.exe	regsvr32.exe
PID 1508 wrote to memory of 364	1508	457cfd3e7a53e7500f8206b3ea300aca.exe	regsvr32.exe
PID 1776 wrote to memory of 1880	1776	iexplore.exe	IEXPLORE.EXE
PID 1776 wrote to memory of 1880	1776	iexplore.exe	IEXPLORE.EXE
PID 1776 wrote to memory of 1880	1776	iexplore.exe	IEXPLORE.EXE
PID 1776 wrote to memory of 1880	1776	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\foo\457cfd3e7a53e7500f8206b3ea300aca.exe
"C:\Users\Admin\AppData\Local\Temp\foo\457cfd3e7a53e7500f8206b3ea300aca.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\system32\regsvr32.exe" /s "C:\Windows\system32\tiwghucpldhdptaq.dll"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Modifies registry class
  PID:364

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1776 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1880

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

T1176

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

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:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\23AQK4SQ.txt

MD5
2577f7af36371a6d521fa8af9e40ef15

SHA1
367f73eeffe10e3e0c6f28ab9dca8d8ad64fc4ac

SHA256
9e2fa359582622ed03ba3cc8698554f194d18ff1bba157e46c38b7b07db5f0eb

SHA512
790b5a8361e6edcf1425ce542ce552d1c04ae4900ba83bf05d9e50f30efb4d9dd10a0da7da21988d83d7985cd0b2ddbdacd3f51623b2e426c8a0711b1b486514

Download Submit
C:\Windows\SysWOW64\tiwghucpldhdptaq.dll

MD5
d3220c6f334f981e49988be5d10bc808

SHA1
e85dd9481edd316bd8f9e4234e5b9afec36a3f9a

SHA256
1439e6cb7dcfd9fd9bf45fdea886d9573e997e490000eab94443dca30fdfa250

SHA512
aa817c988c5f0eb54f7e4caf61040e3f8d533b0679c895d3b09e9b6e84bfef8b3ea31031e4eb1f2730dd4845057068bf51fe3d94683e2d52212b9fa34d541673

Download Submit
\Users\Admin\AppData\Local\Temp\nsvDE8D.tmp\NSISdl.dll

MD5
f0e51d5722c11a4fe40c97b746c1ffc5

SHA1
8ec31853e9ef08fdc2a8c3c8eaa5f5b9469af193

SHA256
93a27f96055ae6b7f44916e13487b0efa7cd6d762e6768f7cb6427e32bda777d

SHA512
212c1ed753b54e5eccf7e1421bcca86955e09d6e3873f891d3d7076e21f79feb5f1dba350818804a215980875c306283b02f628fbc191d958f0de0f528c7194a

Download Submit
\Users\Admin\AppData\Local\Temp\nsvDE8D.tmp\System.dll

MD5
7e3c808299aa2c405dffa864471ddb7f

SHA1
b5de7804dd35ed7afd0c3b59d866f1a0749495e0

SHA256
91c47a9a54a3a8c359e89a8b4e133e6b7296586748ed3e8f4fe566abd6c81ddd

SHA512
599f61d5270227a68e5c4b8db41b5aa7bc17a4bbe91dd7336b410516fa6107f4f5bf0bbb3f6cc4b2e15b16bf9495fdc70832bab6262046cb136ad18f0c9b3738

Download Submit
\Windows\SysWOW64\tiwghucpldhdptaq.dll

MD5
d3220c6f334f981e49988be5d10bc808

SHA1
e85dd9481edd316bd8f9e4234e5b9afec36a3f9a

SHA256
1439e6cb7dcfd9fd9bf45fdea886d9573e997e490000eab94443dca30fdfa250

SHA512
aa817c988c5f0eb54f7e4caf61040e3f8d533b0679c895d3b09e9b6e84bfef8b3ea31031e4eb1f2730dd4845057068bf51fe3d94683e2d52212b9fa34d541673

Download Submit
\Windows\SysWOW64\tiwghucpldhdptaq.dll

MD5
d3220c6f334f981e49988be5d10bc808

SHA1
e85dd9481edd316bd8f9e4234e5b9afec36a3f9a

SHA256
1439e6cb7dcfd9fd9bf45fdea886d9573e997e490000eab94443dca30fdfa250

SHA512
aa817c988c5f0eb54f7e4caf61040e3f8d533b0679c895d3b09e9b6e84bfef8b3ea31031e4eb1f2730dd4845057068bf51fe3d94683e2d52212b9fa34d541673

Download Submit
\Windows\SysWOW64\tiwghucpldhdptaq.dll

MD5
d3220c6f334f981e49988be5d10bc808

SHA1
e85dd9481edd316bd8f9e4234e5b9afec36a3f9a

SHA256
1439e6cb7dcfd9fd9bf45fdea886d9573e997e490000eab94443dca30fdfa250

SHA512
aa817c988c5f0eb54f7e4caf61040e3f8d533b0679c895d3b09e9b6e84bfef8b3ea31031e4eb1f2730dd4845057068bf51fe3d94683e2d52212b9fa34d541673

Download Submit
\Windows\SysWOW64\tiwghucpldhdptaq.dll

MD5
d3220c6f334f981e49988be5d10bc808

SHA1
e85dd9481edd316bd8f9e4234e5b9afec36a3f9a

SHA256
1439e6cb7dcfd9fd9bf45fdea886d9573e997e490000eab94443dca30fdfa250

SHA512
aa817c988c5f0eb54f7e4caf61040e3f8d533b0679c895d3b09e9b6e84bfef8b3ea31031e4eb1f2730dd4845057068bf51fe3d94683e2d52212b9fa34d541673

Download Submit
memory/364-4-0x0000000000000000-mapping.dmp

Download
memory/1392-8-0x000007FEF7AD0000-0x000007FEF7D4A000-memory.dmp

Filesize
2.5MB

Download
memory/1880-9-0x0000000000000000-mapping.dmp

Download