Analysis
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max time kernel
138s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
29/10/2022, 02:35
Static task
static1
Behavioral task
behavioral1
Sample
a2e9fbf69b8e0bb3fb62fe7763939160f8294aaa4f98e92a83c58779ee106574.html
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a2e9fbf69b8e0bb3fb62fe7763939160f8294aaa4f98e92a83c58779ee106574.html
Resource
win10v2004-20220812-en
General
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Target
a2e9fbf69b8e0bb3fb62fe7763939160f8294aaa4f98e92a83c58779ee106574.html
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Size
5KB
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MD5
ba0f67516939135a372aef981789dec3
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SHA1
83dc68b26a0f6802e2b4f7c7886bc54cfa15509d
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SHA256
a2e9fbf69b8e0bb3fb62fe7763939160f8294aaa4f98e92a83c58779ee106574
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SHA512
d8d8c704a56ae78511b9fb8a8ab011a843ad94241a12795a4e13017a5b69a175f4d078ad54df11c8f02bfcc068c4c914576af74c18bb6ace7867ed04c1bd41f9
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SSDEEP
96:HYXX+YX0Y2+gF0YXe+W2Y2duSUYXXjjk8HE5FTB695ghNTpEkLBoOCgF1oY:7Yh23uSk8OFTocTpEkLBowFCY
Malware Config
Signatures
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Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{F31EF784-D1B7-4F7B-9021-0BD728C86290}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{B5611488-C804-4437-BC5C-E53EB14CC54A}.catalogItem svchost.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 svchost.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU svchost.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\MINIE iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{99042358-5761-11ED-AECB-E64E24383C5C} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1722624356" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30993262" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30993262" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingDelete\C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\{9904235A-5761-11ED-AECB-E64E24383C5C}.dat = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1724342470" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\PendingDelete iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2040 iexplore.exe 2040 iexplore.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2040 wrote to memory of 4844 2040 iexplore.exe 77 PID 2040 wrote to memory of 4844 2040 iexplore.exe 77 PID 2040 wrote to memory of 4844 2040 iexplore.exe 77
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\a2e9fbf69b8e0bb3fb62fe7763939160f8294aaa4f98e92a83c58779ee106574.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2040 CREDAT:17410 /prefetch:22⤵PID:4844
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:5028