d0bd0179f03a876c737ba57de15ceca3717bbf2f73617376319769d211d0ae06

Analysis

max time kernel
135s
max time network
155s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
25-08-2023 22:02

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General

Target

arkose_captcha_index_v2.html
Size

3KB
MD5

914e8ed2c1d89e7d8bbd8af5f20625ce
SHA1

056a218be06c42a98c48d0af2eb8352e82ffee16
SHA256

3ff7a3880c696146c89535d3b32a825f6c82acefcbb9a053bd325e8dbe8c6f39
SHA512

a7a087bc0f4ea091a3cf13c042c3c8a6f271252558e132479d32d8548e9a7fa005e2f2e91f4f682cca27299018d94d95622cf511b605fc6aa6075df26c36a49b

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 5012012ba0d7d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "399162948"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000015e49348610e2a42ac63317e6e4271ae00000000020000000000106600000001000020000000dae1cae10d78bde9b323069b089652ed751efc4c204ef3bc368b237042ef8328000000000e8000000002000020000000aacfc2a48880bbcb2e9420c7bfb69ed228b329f0649e30072964fd0b936ed54020000000bca570968d9aa32eb581f0f93e818c9e4f97e442ee3bceb45a2ddae296f841c5400000005efc731865c503719d483fe9085889c80f44dc0f8f07d25171bb21ba3baa6a304cc7b583a3ca3249df35f2e648425d43fc654533153447159910e02278e1fde2	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{564983C1-4393-11EE-AFA5-5E6847EBFE3A} = "0"	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1688	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1688	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1688	iexplore.exe
1688	iexplore.exe
1860	IEXPLORE.EXE
1860	IEXPLORE.EXE
1860	IEXPLORE.EXE
1860	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1860	1688	iexplore.exe	28
PID 1688 wrote to memory of 1860	1688	iexplore.exe	28
PID 1688 wrote to memory of 1860	1688	iexplore.exe	28
PID 1688 wrote to memory of 1860	1688	iexplore.exe	28

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\arkose_captcha_index_v2.html
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1688 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\94308059B57B3142E455B38A6EB92015

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarE661.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Download Submit