hxxps://storage[.]googleapis[.]com/c3643c275309ed66ab16/2923bf00c4935612ee12#RVpPbDlxdkkwWmxZcEx4SCtMWWl0Q0xHTk8xbmJlYzRDYUdwZ0gvV1dVY29rbmNEbzNoa0tBT0Z6eFl3WTl1aVBvbVh0MHE4c2I1NURpTElNQ2JmUzkrQmdVTTc1endRMTdNR0x5NytFMlNYK2tQaVVRRVdkQzBUWTVwQXM4NEU5SzQwd1o4ZW9aWDJBWFE2OEVabUV3PT0_

Analysis

max time kernel
82s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
06/06/2023, 19:33

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General

Target

https://storage.googleapis.com/c3643c275309ed66ab16/2923bf00c4935612ee12#RVpPbDlxdkkwWmxZcEx4SCtMWWl0Q0xHTk8xbmJlYzRDYUdwZ0gvV1dVY29rbmNEbzNoa0tBT0Z6eFl3WTl1aVBvbVh0MHE4c2I1NURpTElNQ2JmUzkrQmdVTTc1endRMTdNR0x5NytFMlNYK2tQaVVRRVdkQzBUWTVwQXM4NEU5SzQwd1o4ZW9aWDJBWFE2OEVabUV3PT0_

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f0c9dad5ad98d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{F6CBB58B-04A0-11EE-8227-F2B344309C31} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3417262978"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31037613"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "392844963"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000008852a602fd275846acc3a1fac3743db300000000020000000000106600000001000020000000420417d4cda12f7a1af4a242e34d231f373ea131f089123f5b40921038e231e6000000000e8000000002000020000000cc31b1f2b1729406ac7363282b86859043f632e263b2c06a42fc3c7291eee83b20000000d4bc8d1fd79864574d13fabc11439401b42d728455e9e355db8a84443ff73a6940000000b75361b324c6a4277b244a806f03818c69968211a3ce46c564e94f6187167aa3f191a7ae00dd7942533f195dcfd961fa9fcf24a6ed4938be807b71db688b526a	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3417262978"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31037613"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000008852a602fd275846acc3a1fac3743db300000000020000000000106600000001000020000000133757ad77f6cb7c9c57e34f27f97e142e5c000755f217ebe4843ee03f126c0b000000000e8000000002000020000000305d46e04ad8847f56eb95e96a30447ba77edb1c759dfe0df18605bbf4924d5020000000d43cdc4ff7bfd85ea9706456ae1f3da47e241424d0e73a9854414e3c016ba5084000000025293668c997c28b919546df12a1ab8de3857205ca868075dc449f834ab070b6b5e9f934b3ba636d711f7d16deb0951c951f5ecaa303e001f90cd7b20632e6ae	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 900dfcd5ad98d901	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1216	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1216	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1216	iexplore.exe
1216	iexplore.exe
3320	IEXPLORE.EXE
3320	IEXPLORE.EXE
3320	IEXPLORE.EXE
3320	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 3320	1216	iexplore.exe	85
PID 1216 wrote to memory of 3320	1216	iexplore.exe	85
PID 1216 wrote to memory of 3320	1216	iexplore.exe	85

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://storage.googleapis.com/c3643c275309ed66ab16/2923bf00c4935612ee12#RVpPbDlxdkkwWmxZcEx4SCtMWWl0Q0xHTk8xbmJlYzRDYUdwZ0gvV1dVY29rbmNEbzNoa0tBT0Z6eFl3WTl1aVBvbVh0MHE4c2I1NURpTElNQ2JmUzkrQmdVTTc1endRMTdNR0x5NytFMlNYK2tQaVVRRVdkQzBUWTVwQXM4NEU5SzQwd1o4ZW9aWDJBWFE2OEVabUV3PT0_
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1216 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3320

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
0a18c4e5d48519f11d47e21d48beb4c1

SHA1
ef72edf3da93c8438e33829542296d86b9608d48

SHA256
572990d6df4be97a68222158083b64bc4391b26347069435b00407b3fd1d0e0e

SHA512
d6b78a5a080d0339a58a490122c80165dd3cce9ef1aad17e6363814859116c91a05142a5b8a7de4cbae658c9cc754dbbc1c99f96f139a17303db3f749ab6b7d8

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
38b34aac7a8c313319426e5ec8849985

SHA1
c477e4b812f20506b1a6b588ec78d83967605dcf

SHA256
af4be70276d3a34bcf1276f0343aadeec2f7a141ee22e23ed67e63f718345e45

SHA512
66fcea6755c639af0580b83222a84e4a599b7e0689e1d8c772497908f67633f282c0f9e2e6cdc1675549b025120e47403034630f4e38fb7b6c9d0fa99a45a6c2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verEFE3.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RUOQG7D6\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit