Analysis
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max time kernel
126s -
max time network
128s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
05-02-2021 14:10
Static task
static1
Behavioral task
behavioral1
Sample
ioir.png.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
ioir.png.dll
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Size
539KB
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MD5
d31c0491f522d6b9f2102109bd2420af
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SHA1
dc1cccf0e43ec5a68326ae4faf1a8cbc5ac00708
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SHA256
f7c79c0c3feb7c0032424f5f6a9bcdf78d1815ee53f807cc192c2c1f8f21270f
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SHA512
48d659660654800da4eb3909a06572dfcf5f05ebdfb8629fafdfeab601673e3377d9a3a241f4bd36c3f4f912ac838dbc73926f734bfa8a76ec43fa726b28c3bd
Malware Config
Extracted
Family
gozi_rm3
Botnet
201193207
C2
https://topitophug.xyz
Attributes
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build
300932
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exe_type
loader
rsa_pubkey.base64
serpent.plain
Signatures
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Blocklisted process makes network request 1 IoCs
flow pid Process 17 1916 rundll32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e7c32f603594754399685aba64b76bd10000000002000000000010660000000100002000000049726499e25fde7cd09a2434fc8c2dac7035584c3385bb47de6ec5675d0e8f4c000000000e800000000200002000000057ecb56f9c7c4ec10aed3f8de7eef26cfa93c3dfee0a71667255973613d0957f20000000716fe87d071d492bd100cda6cb39843971e1224dd9d6535a38ac332a1dbd4704400000003399dce9743d500c409e72da9aed90762c65d51ed67a716b6820d8e330aec180cb2ea3b1fe40bd9039f6912b8d3a240898340b766df3fa80277046b1e70cffe5 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{BE1500B1-67C3-11EB-885E-DA18B1AB4242} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f0e8b797d0fbd601 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MINIE iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{F3AD7631-67C3-11EB-885E-DA18B1AB4242} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1460 iexplore.exe 1976 iexplore.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1460 iexplore.exe 1460 iexplore.exe 972 IEXPLORE.EXE 972 IEXPLORE.EXE 1976 iexplore.exe 1976 iexplore.exe 1828 IEXPLORE.EXE 1828 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1096 wrote to memory of 1916 1096 rundll32.exe 25 PID 1096 wrote to memory of 1916 1096 rundll32.exe 25 PID 1096 wrote to memory of 1916 1096 rundll32.exe 25 PID 1096 wrote to memory of 1916 1096 rundll32.exe 25 PID 1096 wrote to memory of 1916 1096 rundll32.exe 25 PID 1096 wrote to memory of 1916 1096 rundll32.exe 25 PID 1096 wrote to memory of 1916 1096 rundll32.exe 25 PID 1460 wrote to memory of 972 1460 iexplore.exe 35 PID 1460 wrote to memory of 972 1460 iexplore.exe 35 PID 1460 wrote to memory of 972 1460 iexplore.exe 35 PID 1460 wrote to memory of 972 1460 iexplore.exe 35 PID 1976 wrote to memory of 1828 1976 iexplore.exe 38 PID 1976 wrote to memory of 1828 1976 iexplore.exe 38 PID 1976 wrote to memory of 1828 1976 iexplore.exe 38 PID 1976 wrote to memory of 1828 1976 iexplore.exe 38
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ioir.png.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1096 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ioir.png.dll,#12⤵
- Blocklisted process makes network request
PID:1916
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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:1460 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1460 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:972
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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:1976 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1976 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1828
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