46dc49be65d7165e2a6009854a4f27f0088230199e61e0555cb1bd266535874a

Analysis

max time kernel
96s
max time network
160s
platform
windows10_x64
resource
win10
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

pid	Process
3816	457cfd3e7a53e7500f8206b3ea300aca.exe
3816	457cfd3e7a53e7500f8206b3ea300aca.exe
3816	457cfd3e7a53e7500f8206b3ea300aca.exe
3816	457cfd3e7a53e7500f8206b3ea300aca.exe
3816	457cfd3e7a53e7500f8206b3ea300aca.exe
3744	regsvr32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\qrnyzafraazgkc = "C:\\Windows\\System32\\regsvr32.exe /s \"C:\\Windows\\system32\\tblgbdszgkviyfr.dll\""	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\qrnyzafraazgkc = "C:\\Windows\\System32\\regsvr32.exe /s \"C:\\Windows\\system32\\tblgbdszgkviyfr.dll\""	457cfd3e7a53e7500f8206b3ea300aca.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

description	ioc	Process
File created	C:\Windows\SysWOW64\ggjlymqkkvflcllw.exe	457cfd3e7a53e7500f8206b3ea300aca.exe
File created	C:\Windows\SysWOW64\tblgbdszgkviyfr.dll	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 50 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000f72535b3d71787499ad6028e231c2f4e00000000020000000000106600000001000020000000057151b2fabbb59f0e041f8ed0e6e96a5ddbc97705f944762773137e5fa05314000000000e800000000200002000000017bae154d48bba237a5dd5464681122040f4a620747b4332a35976d4c3ed1507200000000e1f0f1a95a6424f8a71dc35910f9b5d56010a4145b6d8d1b8bfcba57da59772400000003b349b5df05e731b837919b5d5cf2640e77173611f0d725e22a80ba08518d02f434e1759b57738fdf6104c4b99cb708951a54649b76c5d24165984dde4662c3a	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\FlipAhead\FileVersion = "2016061511"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2733492117"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2736617360"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2736617360"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$blogger	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 4	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$MediaWiki	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2733492117"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30830555"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30830555"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "303930754"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 3	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$WordPress	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{CE522AFB-DBCE-11EA-95F0-468C58D86C74} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30830555"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30830555"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Telligent	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$http://www.typepad.com/	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "303914160"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\FlipAhead	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000f72535b3d71787499ad6028e231c2f4e000000000200000000001066000000010000200000004fd93329f9c941dc563b97d9305084100826202db4fd7ea08ca96d4bc1494f08000000000e800000000200002000000001cd78a3dfbcc0a83e854858ad86627319c19c018334c78bbb92254fd92d1a69200000008aad9aac312df7afc57e0781e7d68d28bd293b69534a521d72e26a6c4353bba4400000007494dbdab66ac3c8d0d535524d74e7feba91925ebc1dd6038f5467202cb063f9286694231bf0e1305c1074c71ff96404f1bffe37ee206bf4ed0f5d5d6bdebc6f	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 2065b8a3db6fd601	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Discuz!	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "303962746"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 3039b1a3db6fd601	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8AD1560A-6ECC-5040-2A4B-5B6F980B7C04}\InProcServer32	457cfd3e7a53e7500f8206b3ea300aca.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8AD1560A-6ECC-5040-2A4B-5B6F980B7C04}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8AD1560A-6ECC-5040-2A4B-5B6F980B7C04}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8AD1560A-6ECC-5040-2A4B-5B6F980B7C04}	457cfd3e7a53e7500f8206b3ea300aca.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8AD1560A-6ECC-5040-2A4B-5B6F980B7C04}\ = "innbanner browser enhancer"	457cfd3e7a53e7500f8206b3ea300aca.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8AD1560A-6ECC-5040-2A4B-5B6F980B7C04}\InProcServer32\ThreadingModel = "Apartment"	457cfd3e7a53e7500f8206b3ea300aca.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8AD1560A-6ECC-5040-2A4B-5B6F980B7C04}\InProcServer32\ = "C:\\Windows\\SysWow64\\tblgbdszgkviyfr.dll"	457cfd3e7a53e7500f8206b3ea300aca.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8AD1560A-6ECC-5040-2A4B-5B6F980B7C04}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8AD1560A-6ECC-5040-2A4B-5B6F980B7C04}\ = "innbanner browser enhancer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8AD1560A-6ECC-5040-2A4B-5B6F980B7C04}\InProcServer32\ = "C:\\Windows\\SysWow64\\tblgbdszgkviyfr.dll"	regsvr32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3408	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3408	iexplore.exe
3408	iexplore.exe
2936	IEXPLORE.EXE
2936	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3816 wrote to memory of 3744	3816	457cfd3e7a53e7500f8206b3ea300aca.exe	67
PID 3816 wrote to memory of 3744	3816	457cfd3e7a53e7500f8206b3ea300aca.exe	67
PID 3816 wrote to memory of 3744	3816	457cfd3e7a53e7500f8206b3ea300aca.exe	67
PID 3408 wrote to memory of 2936	3408	iexplore.exe	69
PID 3408 wrote to memory of 2936	3408	iexplore.exe	69
PID 3408 wrote to memory of 2936	3408	iexplore.exe	69

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:3816
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\system32\regsvr32.exe" /s "C:\Windows\system32\tblgbdszgkviyfr.dll"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Modifies registry class
  PID:3744

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:3408
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3408 CREDAT:82945 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2936

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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