Analysis
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max time kernel
4294212s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20220223-en -
submitted
10/03/2022, 01:12
Static task
static1
Behavioral task
behavioral1
Sample
71de05a6489374d3454f66de31e2f720f4e199d57caec38ea01a01bde3591a31.exe
Resource
win7-20220223-en
Behavioral task
behavioral2
Sample
71de05a6489374d3454f66de31e2f720f4e199d57caec38ea01a01bde3591a31.exe
Resource
win10v2004-en-20220113
General
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Target
71de05a6489374d3454f66de31e2f720f4e199d57caec38ea01a01bde3591a31.exe
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Size
520KB
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MD5
ad6d2ef1e0cc7def5c5c7effa3bf948a
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SHA1
217d95930dc50619b2f734a7757cbc37fe575fcf
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SHA256
71de05a6489374d3454f66de31e2f720f4e199d57caec38ea01a01bde3591a31
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SHA512
4878db553bfa0430e80c9890807f99ff7400f9af3c54a51af13a3332fe758c1ec446608dfe6710b76253357b8cee78853823e1e70495ed1256813f43908ab452
Malware Config
Signatures
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NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/files/0x000800000001310c-58.dat MailPassView behavioral1/files/0x000800000001310c-59.dat MailPassView behavioral1/files/0x000800000001310c-60.dat MailPassView behavioral1/memory/840-66-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/840-69-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/files/0x000800000001310c-58.dat WebBrowserPassView behavioral1/files/0x000800000001310c-59.dat WebBrowserPassView behavioral1/files/0x000800000001310c-60.dat WebBrowserPassView behavioral1/memory/724-72-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/724-76-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 7 IoCs
resource yara_rule behavioral1/files/0x000800000001310c-58.dat Nirsoft behavioral1/files/0x000800000001310c-59.dat Nirsoft behavioral1/files/0x000800000001310c-60.dat Nirsoft behavioral1/memory/840-66-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/840-69-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/724-72-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/724-76-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Executes dropped EXE 1 IoCs
pid Process 564 Windows Update.exe -
Deletes itself 1 IoCs
pid Process 564 Windows Update.exe -
Loads dropped DLL 1 IoCs
pid Process 1776 71de05a6489374d3454f66de31e2f720f4e199d57caec38ea01a01bde3591a31.exe -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 7 whatismyipaddress.com 4 whatismyipaddress.com 6 whatismyipaddress.com -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 564 set thread context of 840 564 Windows Update.exe 32 PID 564 set thread context of 724 564 Windows Update.exe 34 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000ab8535dea0c55241b6e6a02dc814678c0000000002000000000010660000000100002000000043294b8e90bf0ed1aabe7fa1f64219a92f9ae7481e20bc6b48e52e1b213abcf2000000000e80000000020000200000003b78987f4d92ce5a8073426fe19201b970d309f07b3c14d9ee23048f0b5c8c33200000002b56409ad06e1ec579b5c96b53cffd860bd260b1e9ed47dbc958249bd6985620400000001674fe31c43e4440c58781f8f8f60a397c9b0b59eb5dfadb39d220690658a63ed1ba0a9da631511688fb78ecb6e85978ba465733afa4b73f28a0da2deb808afa iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{1DBF1391-A00F-11EC-B621-626D424A30D2} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 70ab00f61b34d801 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "353639707" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe 564 Windows Update.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 564 Windows Update.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1620 iexplore.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 564 Windows Update.exe 1620 iexplore.exe 1620 iexplore.exe 896 IEXPLORE.EXE 896 IEXPLORE.EXE 896 IEXPLORE.EXE 896 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1776 wrote to memory of 564 1776 71de05a6489374d3454f66de31e2f720f4e199d57caec38ea01a01bde3591a31.exe 27 PID 1776 wrote to memory of 564 1776 71de05a6489374d3454f66de31e2f720f4e199d57caec38ea01a01bde3591a31.exe 27 PID 1776 wrote to memory of 564 1776 71de05a6489374d3454f66de31e2f720f4e199d57caec38ea01a01bde3591a31.exe 27 PID 1776 wrote to memory of 564 1776 71de05a6489374d3454f66de31e2f720f4e199d57caec38ea01a01bde3591a31.exe 27 PID 1776 wrote to memory of 564 1776 71de05a6489374d3454f66de31e2f720f4e199d57caec38ea01a01bde3591a31.exe 27 PID 1776 wrote to memory of 564 1776 71de05a6489374d3454f66de31e2f720f4e199d57caec38ea01a01bde3591a31.exe 27 PID 1776 wrote to memory of 564 1776 71de05a6489374d3454f66de31e2f720f4e199d57caec38ea01a01bde3591a31.exe 27 PID 564 wrote to memory of 1620 564 Windows Update.exe 29 PID 564 wrote to memory of 1620 564 Windows Update.exe 29 PID 564 wrote to memory of 1620 564 Windows Update.exe 29 PID 564 wrote to memory of 1620 564 Windows Update.exe 29 PID 1620 wrote to memory of 896 1620 iexplore.exe 31 PID 1620 wrote to memory of 896 1620 iexplore.exe 31 PID 1620 wrote to memory of 896 1620 iexplore.exe 31 PID 1620 wrote to memory of 896 1620 iexplore.exe 31 PID 564 wrote to memory of 840 564 Windows Update.exe 32 PID 564 wrote to memory of 840 564 Windows Update.exe 32 PID 564 wrote to memory of 840 564 Windows Update.exe 32 PID 564 wrote to memory of 840 564 Windows Update.exe 32 PID 564 wrote to memory of 840 564 Windows Update.exe 32 PID 564 wrote to memory of 840 564 Windows Update.exe 32 PID 564 wrote to memory of 840 564 Windows Update.exe 32 PID 564 wrote to memory of 840 564 Windows Update.exe 32 PID 564 wrote to memory of 840 564 Windows Update.exe 32 PID 564 wrote to memory of 840 564 Windows Update.exe 32 PID 564 wrote to memory of 724 564 Windows Update.exe 34 PID 564 wrote to memory of 724 564 Windows Update.exe 34 PID 564 wrote to memory of 724 564 Windows Update.exe 34 PID 564 wrote to memory of 724 564 Windows Update.exe 34 PID 564 wrote to memory of 724 564 Windows Update.exe 34 PID 564 wrote to memory of 724 564 Windows Update.exe 34 PID 564 wrote to memory of 724 564 Windows Update.exe 34 PID 564 wrote to memory of 724 564 Windows Update.exe 34 PID 564 wrote to memory of 724 564 Windows Update.exe 34 PID 564 wrote to memory of 724 564 Windows Update.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\71de05a6489374d3454f66de31e2f720f4e199d57caec38ea01a01bde3591a31.exe"C:\Users\Admin\AppData\Local\Temp\71de05a6489374d3454f66de31e2f720f4e199d57caec38ea01a01bde3591a31.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1776 -
C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"2⤵
- Executes dropped EXE
- Deletes itself
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:564 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" http://www.helmet-heroes.com/3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1620 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1620 CREDAT:275457 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:896
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Accesses Microsoft Outlook accounts
PID:840
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"3⤵PID:724
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