hxxps://github[.]com/JKornev/hidden/releases/download/v1[.]1/build-1[.]1[.]zip

General

Target

https://github.com/JKornev/hidden/releases/download/v1.1/build-1.1.zip

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\PhishingFilter	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = 9049bea7cd52da01	iexplore.exe

Modifies Internet Explorer settings 1 TTPs 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{E411B4E1-BEC0-11EE-A297-464D43A133DD} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2088	iexplore.exe
2088	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2088	iexplore.exe
2088	iexplore.exe
2412	IEXPLORE.EXE
2412	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 2412	2088	iexplore.exe	28
PID 2088 wrote to memory of 2412	2088	iexplore.exe	28
PID 2088 wrote to memory of 2412	2088	iexplore.exe	28
PID 2088 wrote to memory of 2412	2088	iexplore.exe	28

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://github.com/JKornev/hidden/releases/download/v1.1/build-1.1.zip
1⤵
- Modifies Internet Explorer Phishing Filter
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2088 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2412

C:\Users\Admin\AppData\Local\Temp\Temp1_build-1.1.zip\release-x64\HiddenCLI.exe
"C:\Users\Admin\AppData\Local\Temp\Temp1_build-1.1.zip\release-x64\HiddenCLI.exe"
1⤵
PID:2216

C:\Users\Admin\AppData\Local\Temp\Temp1_build-1.1.zip\release-x86\HiddenCLI.exe
"C:\Users\Admin\AppData\Local\Temp\Temp1_build-1.1.zip\release-x86\HiddenCLI.exe"
1⤵
PID:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\1YVWL6AI\build-1.1[1].zip

Filesize
4.6MB

MD5
ed0cb62dd8de0f25cc98c7ebc292c4b1

SHA1
14ee7c0f3362ff55a7658acb3cd7d6af73786e9a

SHA256
9c671c9b8b0ceb403f8adcba74fc74f6212ac5468dfd5589681e3ecf8635328c

SHA512
2b35929f2123e236ef73d30e28a93acb0315998ddd025a03d439ea89ae1759f1f3d463e8e7b366ef56aae7ce244a166b5ee09c68054c5bbb249f2f8ef185b6fe

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads