hxxps://collectivetank[.]com/cas-clients/

Analysis

max time kernel
129s
max time network
149s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
20-09-2022 09:27

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General

Target

https://collectivetank.com/cas-clients/

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "370438212"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d3b98f5693c0d24b85f349229339c59c00000000020000000000106600000001000020000000f81776ee8742ad6fb7442616e83d2a908b013dd2d636b9b0d711f925c3c9da7c000000000e8000000002000020000000e046a62360ca8aa01fc65298e4a5d2dbbcb4b9cf3fe4ca3276b36bd0dae72ae4200000007c42e7aa5577c29335a142743a48702fb51df23119605713b38be44f83cc2d4440000000f0e7160de5834489ccc331fab360c8d7ed0b930d05805622766904a436fe56696f62743885e8a7d185cf3329a6b21dcf95f197254ecf20b74607af5307a24112	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 905b8e0ee4ccd801	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{2D0EEB71-38D7-11ED-B51C-6E705F4A26E5} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1388	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1388	iexplore.exe
1388	iexplore.exe
964	IEXPLORE.EXE
964	IEXPLORE.EXE
964	IEXPLORE.EXE
964	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 964	1388	iexplore.exe	27
PID 1388 wrote to memory of 964	1388	iexplore.exe	27
PID 1388 wrote to memory of 964	1388	iexplore.exe	27
PID 1388 wrote to memory of 964	1388	iexplore.exe	27

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://collectivetank.com/cas-clients/
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1388 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:964

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\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
340B

MD5
5a9927ad5ba43632853d4b569645c35c

SHA1
a233af884471e3345a573ee968a08210db9e6a91

SHA256
d94c5a8b0dee0eb8aaa3da128f43356c03b9e38d8b3c0b303b6c19a681129400

SHA512
f128cbc704941ad051d9c68b235c4614ed62ccedeea60511333a2cd29bf02f94213afc175bfa5774c88c527b5c92710092e899354622cb797c6f611d091d2d32

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\1evexod\imagestore.dat

Filesize
5KB

MD5
252d4ebbabbdcf67c5845381926114c9

SHA1
2860593147bf9c352d8d37b9cac90e46b27d5db2

SHA256
0fdc4eba44333e12f0b130eaa85b9a19cdec7c9a670266289dd555b34f97ef62

SHA512
2ddcb0bdf33597f994cf21cd294e51c006d9406b632c3a8287f330a456f0acb28fee258a37f64f0e574254441daa4bc00e6637f99e200de14e28156edc679d21

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\7EGINWWY.txt

Filesize
601B

MD5
92f7dfc2fd484166529a3ec461dd90c3

SHA1
837663fcf8d924bd601d2c6d03eb1b7a16825503

SHA256
7e26089996ebd074b13331770bb38ea94633794896ae349d7af85a648be5d004

SHA512
9f4c8e2203056e3b2a7fb36006835a7e119c248d13a278b0d4852de4cc9155fbffbb527fad035f0b256b7605e2584e2d6fd428e0b1c7f9f2696c0b7bb7820621

Download Submit