Analysis
- max time kernel
4294201s - max time network
143s - platform
windows7_x64 - resource
win7-20220311-en - submitted
16/03/2022, 04:20
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://download.nutanix.com/Foundation/5.1.1/foundation-5.1.1-windows.msi?Expires=1647317017618&Key-Pair-Id=APKAJTTNCWPEI42QKMSA&Signature=G-MEsjjAR8ynl~LpkXPKS3R0s4kj0q1Owu7DO~Jq2QashOc5n1M0pP883g8mGTNkRA7uIbpCaom1RKSYk0R4xlkD-Pm6MFdjnZbXwQskCcynegYCq7SQV3TYC7~jXRqYbwpQhY4Uox7wUC2pA6zRPFnrCQoyXlnp0Jqyn8M-lNpsdSp2bdTMKDCn4l03LH5nsiZdBmXesNx6bKgmDhZRbxpYWbo56i-8VvSgmkk0DaY21GAs2~oujB~41gFVe-~rfuu4bDVWTqrGNGD--Uz~oLp8A7k4sLm3QM8h0iSHbvclBTmTRdQhc71Wjv3sm8HXxrSeuObaPzmR06wpEjJoFQ__
Resource
win7-20220311-en
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
https://download.nutanix.com/Foundation/5.1.1/foundation-5.1.1-windows.msi?Expires=1647317017618&Key-Pair-Id=APKAJTTNCWPEI42QKMSA&Signature=G-MEsjjAR8ynl~LpkXPKS3R0s4kj0q1Owu7DO~Jq2QashOc5n1M0pP883g8mGTNkRA7uIbpCaom1RKSYk0R4xlkD-Pm6MFdjnZbXwQskCcynegYCq7SQV3TYC7~jXRqYbwpQhY4Uox7wUC2pA6zRPFnrCQoyXlnp0Jqyn8M-lNpsdSp2bdTMKDCn4l03LH5nsiZdBmXesNx6bKgmDhZRbxpYWbo56i-8VvSgmkk0DaY21GAs2~oujB~41gFVe-~rfuu4bDVWTqrGNGD--Uz~oLp8A7k4sLm3QM8h0iSHbvclBTmTRdQhc71Wjv3sm8HXxrSeuObaPzmR06wpEjJoFQ__
Resource
win10v2004-20220310-en
windows10-2004_x64
0 signatures
0 seconds
General
- Target https://download.nutanix.com/Foundation/5.1.1/foundation-5.1.1-windows.msi?Expires=1647317017618&Key-Pair-Id=APKAJTTNCWPEI42QKMSA&Signature=G-MEsjjAR8ynl~LpkXPKS3R0s4kj0q1Owu7DO~Jq2QashOc5n1M0pP883g8mGTNkRA7uIbpCaom1RKSYk0R4xlkD-Pm6MFdjnZbXwQskCcynegYCq7SQV3TYC7~jXRqYbwpQhY4Uox7wUC2pA6zRPFnrCQoyXlnp0Jqyn8M-lNpsdSp2bdTMKDCn4l03LH5nsiZdBmXesNx6bKgmDhZRbxpYWbo56i-8VvSgmkk0DaY21GAs2~oujB~41gFVe-~rfuu4bDVWTqrGNGD--Uz~oLp8A7k4sLm3QM8h0iSHbvclBTmTRdQhc71Wjv3sm8HXxrSeuObaPzmR06wpEjJoFQ__
- Sample220316-eylqfaffdk
Malware Config
Signatures
- PlugX Rat Payload 1 IoCs
resource yara_rule behavioral1/files/0x00070000000144a6-56.dat PlugX - Detect jar appended to MSI 1 IoCs
resource yara_rule behavioral1/files/0x00070000000144a6-56.dat jar_in_msi - Patched UPX-packed file 1 IoCs
Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.
resource yara_rule behavioral1/files/0x00070000000144a6-56.dat patched_upx - Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\R: msiexec.exe - HTTP links in PDF interactive object 1 IoCs
Detects HTTP links in interactive objects within PDF files.
resource yara_rule behavioral1/files/0x00070000000144a6-56.dat pdf_with_link_action - Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\PhishingFilter iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = a0cc1546ed38d801 iexplore.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "354169443" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{80EC5421-A4E0-11EC-BBED-DA40BCC881D4} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\MINIE iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 1576 msiexec.exe Token: SeIncreaseQuotaPrivilege 1576 msiexec.exe - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 1996 iexplore.exe 1996 iexplore.exe 1576 msiexec.exe - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1996 iexplore.exe 1996 iexplore.exe 1724 IEXPLORE.EXE 1724 IEXPLORE.EXE - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1996 wrote to memory of 1724 1996 iexplore.exe 28 PID 1996 wrote to memory of 1724 1996 iexplore.exe 28 PID 1996 wrote to memory of 1724 1996 iexplore.exe 28 PID 1996 wrote to memory of 1724 1996 iexplore.exe 28 PID 1996 wrote to memory of 1576 1996 iexplore.exe 32 PID 1996 wrote to memory of 1576 1996 iexplore.exe 32 PID 1996 wrote to memory of 1576 1996 iexplore.exe 32 PID 1996 wrote to memory of 1576 1996 iexplore.exe 32 PID 1996 wrote to memory of 1576 1996 iexplore.exe 32
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" https://download.nutanix.com/Foundation/5.1.1/foundation-5.1.1-windows.msi?Expires=1647317017618&Key-Pair-Id=APKAJTTNCWPEI42QKMSA&Signature=G-MEsjjAR8ynl~LpkXPKS3R0s4kj0q1Owu7DO~Jq2QashOc5n1M0pP883g8mGTNkRA7uIbpCaom1RKSYk0R4xlkD-Pm6MFdjnZbXwQskCcynegYCq7SQV3TYC7~jXRqYbwpQhY4Uox7wUC2pA6zRPFnrCQoyXlnp0Jqyn8M-lNpsdSp2bdTMKDCn4l03LH5nsiZdBmXesNx6bKgmDhZRbxpYWbo56i-8VvSgmkk0DaY21GAs2~oujB~41gFVe-~rfuu4bDVWTqrGNGD--Uz~oLp8A7k4sLm3QM8h0iSHbvclBTmTRdQhc71Wjv3sm8HXxrSeuObaPzmR06wpEjJoFQ__1⤵
- Modifies Internet Explorer Phishing Filter
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1996 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1724
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C:\Windows\System32\msiexec.exe"C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\GC0VJYYE\foundation-5.1.1-windows.msi"2⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1576
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