5626d201b8f8dbd7f5f175be4e09f072c36b37475d6737932c56cb0fbbf9fcfb

Analysis

max time kernel
122s
max time network
136s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
28/06/2024, 22:22

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General

Target
conch/asset/admin/caidan.html
Size 40KB
Sample240628-2amddsteld
SHA256 2f3e4bd24b6f54a01fe378e40d8499384a02bd13c58add3e31e98153269f5025
MD5 ebf6ecb1f5f32264696a9a8619cdf3d9
SHA1 e38fe75524d813b1c1368382d298d62efb29b61c
SHA512 370653f13872680b7eee3ac41162163f7001f6bc34547922435c6b1f6b93beda61bac162b1265cb3e010b95697a63988555a77c115e5c58902354658258c7a0f
SSDEEP 192:3QD8R9y+xE+xsYSxnYx7uxcQhyx/Qxc6xOWx2wxOxfxfxbxVMA+iTxzxGxvx5xHL:2875sBeMcQy+BTnY55dLlFgJnR7twhy
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "425775247"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e0efa3cda9c9da01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000005ec80cf279b2564c91633e21940a80760000000002000000000010660000000100002000000043f4639346e060ff79b57dd578d3c29e034227efded5e3ccc62b83ae98191732000000000e8000000002000020000000d5ee2006db7f14031ae8753fd83feaa07114dac237c97472ebddb0721528e5e7200000002638036f69adf5b80ebc4dab84e4dcb5493b097803a3d3336f2d321bb50514e740000000ef0f5553fbe844e80b8fde1b9b38d84975d95b21d3074ab559701efe43fc8b708edeee0c29f708499ccd0606f000ee77223d12e1875ab9e4d1a8c1abd671b432	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{F8A0F0D1-359C-11EF-8A4F-62EADBC3072C} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2056	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2056	iexplore.exe
2056	iexplore.exe
1928	IEXPLORE.EXE
1928	IEXPLORE.EXE
1928	IEXPLORE.EXE
1928	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 1928	2056	iexplore.exe	28
PID 2056 wrote to memory of 1928	2056	iexplore.exe	28
PID 2056 wrote to memory of 1928	2056	iexplore.exe	28
PID 2056 wrote to memory of 1928	2056	iexplore.exe	28

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\conch\asset\admin\caidan.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2056 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1928

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