hxxps://cfapi[.]mdlinx[.]com/ct[.]cfm?cid=44&typ=rc&rdr=hxxp://known[.]unknown3[.]garcov[.]com/?=david[.]carlen@blackrock[.]com

General

Target

https://cfapi.mdlinx.com/ct.cfm?cid=44&typ=rc&rdr=http://known.unknown3.garcov.com/?=david.carlen@blackrock.com

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 34 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{8E2AFFF1-1408-11ED-BFB3-DEAD572B1436} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e528c10875d4b347a30c038b2e32007f00000000020000000000106600000001000020000000943141d21b146d7d87aa304b9b3721da635e19fee82c15692a83216528374ff3000000000e8000000002000020000000f87465b9acd4ed3536f27417e434858b0ef3bc38b48be21e6743a8839645bf0120000000e76af32189b1e66a6f33cb3b0f2e9fa24451ec89ad111fb425a7e2913d88c42040000000f69670c7228da6b47f88c50aa11a0dca81743abcac74f4620139165146c6d8c0b4a03048621678cc54b0c9454288648d9f8556d29a8084c3274d36d8aa71a0e7	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e528c10875d4b347a30c038b2e32007f000000000200000000001066000000010000200000007b7f83280ae6e3e546e5cdf9223b2a81f5c8464225d9a26c0488d6ee28074bc0000000000e8000000002000020000000dbc6b5f0df2a150a5ca7541e3f9c06c47811519ab26290c66e971eeaec8904e490000000d7a8e4e0119369861e6e028a25648254db9077506e02a8d4db5e56802878385919f58f327cba38e7222db26e53311ee0c7c22d8fce1ccc305b8b0b1658ae233f71c260ec1f17db344c1dbe53d19d87f928fc5c4d55cb92ec8fe09285c49b861b9b567088272a523081ace9bd99c86ad1a0f906ff871723e16674687f0f2fa3d0ea358533d8ca839cbd2dac6581521a9840000000989dc52cde11f25acf36dbb624bba301656619922f012244f51d3ed050d0bb3f05dcd88ac90d4b2de03463d237b15d4d7cbd323855fc49df639a5618db41005f	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80ea7f6915a8d801	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "366391225"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

856 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

856 iexplore.exe
856 iexplore.exe
1880 IEXPLORE.EXE
1880 IEXPLORE.EXE
1880 IEXPLORE.EXE
1880 IEXPLORE.EXE

pid	process
856	iexplore.exe

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

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

iexplore.exe

description	pid	process	target process
PID 856 wrote to memory of 1880	856	iexplore.exe	IEXPLORE.EXE
PID 856 wrote to memory of 1880	856	iexplore.exe	IEXPLORE.EXE
PID 856 wrote to memory of 1880	856	iexplore.exe	IEXPLORE.EXE
PID 856 wrote to memory of 1880	856	iexplore.exe	IEXPLORE.EXE

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://cfapi.mdlinx.com/ct.cfm?cid=44&typ=rc&rdr=http://known.unknown3.garcov.com/?=david.carlen@blackrock.com
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:856

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:856 CREDAT:275457 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1880

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
340B

MD5
19a6c0cc7bec20b42e571f2f3da11b6b

SHA1
4cf48e4f8eab6e1f072168af8c811f8874634b39

SHA256
953b7fe19e0b005736a9b02f9b8d7482cc343ebd7b78170989e1bafdc6a2e191

SHA512
5ec64f24679f6e130366c22fbc863d4d04b84d16f8699aba356077d2e27e8863c272f7af9da3580b07e420e9fe5ec4cf3804765428cf5aae82671a18ab247795

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\3G738NBS.txt
Filesize
602B

MD5
424127fbb07f87e9b55cfcddd9bf1d5d

SHA1
e31c533bcad4efd65c76226aa554178d97bf6a6e

SHA256
559790b132f264ec1c3bb0f62d5de7e23603a93feb3ef41c30eb440e288a9bee

SHA512
79f22295e6503a6bdf46543f9a4531de9bb77f2383f5269f95cb6a871d7c8d5be3ef74f657dd662c3b7fe1efba8fb5fed611232748e0035e2ad539032aa59cfa

Download Submit

Analysis

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