Analysis
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max time kernel
4294214s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20220310-en -
submitted
19/03/2022, 11:13
Static task
static1
Behavioral task
behavioral1
Sample
0ab16b64a92305fad3b7a89ac458e68d91eeac1a583855cbd12a35c7f86524a4.dll
Resource
win7-20220310-en
0 signatures
0 seconds
General
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Target
0ab16b64a92305fad3b7a89ac458e68d91eeac1a583855cbd12a35c7f86524a4.dll
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Size
590KB
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MD5
cce6b64754d50f47c31a6ce2d7b47bec
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SHA1
37a43ffb09c402d1b415414ad02c723a678d409e
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SHA256
0ab16b64a92305fad3b7a89ac458e68d91eeac1a583855cbd12a35c7f86524a4
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SHA512
8fa6ee3532fc51c34527e8592b39f0079ec644980670c168235a1436b7d0c2ec6ccaeb00e42314189ed4d5870e5247bc556b633a5c82b07cb0b3fbb4b111065f
Malware Config
Extracted
Family
gozi_ifsb
Botnet
1265
C2
updates.microsoft.com
remuloga.top
reconders.top
Attributes
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build
250167
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dga_season
10
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exe_type
loader
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server_id
12
rsa_pubkey.plain
serpent.plain
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{F8DDB911-A788-11EC-BF0F-C6B032256E8A} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000004dda8e4cddf84341b86bc814e98354e5000000000200000000001066000000010000200000004a2ebf603df841e0a7e48c339f7661433b0b5dc6100a94818a1ae2ba653ded5b000000000e80000000020000200000000a59a97e1216625fcf5314ab045c464883e409cfa89b2cec9ef725541c854fa62000000088e6c72da6b4e46738cea56b06faecad06a3e51990ae5b5b41c4ae47c7ca396a40000000e6e9fda1514cd047a6b87bb1dd1cce97cf3f3d5bb8ce88ffe87b0c8e747948b6b16d7f5a362bd3fa0065488e4022e49511cc036a106dcc53303f88ef4f23faf1 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 4084dfb5953bd801 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\MINIE iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "354461620" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{BCF75F50-A788-11EC-BF0F-C6B032256E8A} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1700 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1700 iexplore.exe 1700 iexplore.exe 676 IEXPLORE.EXE 676 IEXPLORE.EXE 748 IEXPLORE.EXE 748 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 808 wrote to memory of 1868 808 rundll32.exe 27 PID 808 wrote to memory of 1868 808 rundll32.exe 27 PID 808 wrote to memory of 1868 808 rundll32.exe 27 PID 808 wrote to memory of 1868 808 rundll32.exe 27 PID 808 wrote to memory of 1868 808 rundll32.exe 27 PID 808 wrote to memory of 1868 808 rundll32.exe 27 PID 808 wrote to memory of 1868 808 rundll32.exe 27 PID 1700 wrote to memory of 676 1700 iexplore.exe 33 PID 1700 wrote to memory of 676 1700 iexplore.exe 33 PID 1700 wrote to memory of 676 1700 iexplore.exe 33 PID 1700 wrote to memory of 676 1700 iexplore.exe 33
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0ab16b64a92305fad3b7a89ac458e68d91eeac1a583855cbd12a35c7f86524a4.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:808 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0ab16b64a92305fad3b7a89ac458e68d91eeac1a583855cbd12a35c7f86524a4.dll,#12⤵PID:1868
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1700 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1700 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:676
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding1⤵
- Modifies Internet Explorer settings
PID:1200 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1200 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:748
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