hxxp://ato[.]aus-my-gov[.]com

Analysis

max time kernel
100s
max time network
185s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
22/11/2022, 02:30

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General

Target

http://ato.aus-my-gov.com

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375852909"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000003bad9e5810411a41b405bdc87c3b0eb800000000020000000000106600000001000020000000ad0eaf4abcb1053a7e3cc84469ad409f806b5725825e3ed0d0926743a7fb0482000000000e80000000020000200000007f427e2ce10abc5937efdc71a1efec599c2208a21a18d14c540379a390feab2320000000dc01279ef95de0715c10c175fa828aec7854117ce99225efd00018f5959c8f8d4000000009fe6633ebfc67c31f7f2cabf6cf9ffc655f29f7e8580d0e8c4ee00884893cab37a45db498707985db24c2a51fde0d754954dbf64880dc1d469915837230310c	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 60a4ba2123fed801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{41BEAF91-6A16-11ED-B52D-FE63F52BA449} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
896	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
896	iexplore.exe
896	iexplore.exe
1972	IEXPLORE.EXE
1972	IEXPLORE.EXE
1972	IEXPLORE.EXE
1972	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 896 wrote to memory of 1972	896	iexplore.exe	29
PID 896 wrote to memory of 1972	896	iexplore.exe	29
PID 896 wrote to memory of 1972	896	iexplore.exe	29
PID 896 wrote to memory of 1972	896	iexplore.exe	29

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://ato.aus-my-gov.com
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:896
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:896 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1972

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
342B

MD5
a9ffe2e0e5e45802d31b2fcbc802e1f4

SHA1
f851bc36c5a6679eadbb6ed989bbbd904e7e1343

SHA256
c2588163abd3c72f5f9433ddcd06e5f6aead8b1dc567bee131efd43574de0f0e

SHA512
b959bc1811b86e24c4be67476823ef116b3de4f83577713d7f8307e371f5afbbacbb05346a1aae437575a4d3593707c842ed5de31e4e2f68f012b981271a8f7a

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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\mlf2v8h\imagestore.dat

Filesize
22KB

MD5
2fa58f5c797b79157f0ec88058966113

SHA1
2f587eb7de87266eab243a4a7de7e6d202213d01

SHA256
a9ef239f1f4274ddab4fec6bd516ef0938fc0aac30b2bb259b91b944a305816a

SHA512
50f22d6ca4e7d4b6dbbd76ef70b64a2e38a09918c9b6d93774490f942d9ea08e41860b08130f81091fe3d5fbe3178ae9e32e8c2bece92ca794753e8aa034f90c

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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\HDU34A9G.txt

Filesize
601B

MD5
b80e4e408f4ca50e0098ece2c2f86413

SHA1
a8ad666afe2a6a926c842cbc9d636835ad90e3f0

SHA256
bcee5cf04173320fc2bcd5d499d8e06dd9973212aea56b1dc4a65a459552dc8a

SHA512
825f3491694c84eaba0fd7cda47637ab883b33595ceeef195a2dfd5f1bdfa67532452bed4822b04cca31930d05eccd1a10a9974a21feeaef427b6ec4c44adc01

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