Analysis
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max time kernel
147s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
10/01/2024, 12:38
Behavioral task
behavioral1
Sample
50935f56ed6d3eebcb015437d0b93eb3.exe
Resource
win7-20231215-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
50935f56ed6d3eebcb015437d0b93eb3.exe
Resource
win10v2004-20231215-en
8 signatures
150 seconds
General
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Target
50935f56ed6d3eebcb015437d0b93eb3.exe
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Size
26KB
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MD5
50935f56ed6d3eebcb015437d0b93eb3
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SHA1
bb34f45b1dfee0fd3968d69c8af7154c5ca48039
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SHA256
dd7a5be3c384c80a257e184fc4bdafd1937dc5f656bf609d28bcbc4240b11b2c
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SHA512
08f8be2a5c185c21a07d560165bcc4356931e9135402b5dde19ade3a35d5505c2405635fd8f62380f44afddba2ae2356ddd45a9304d4ed56ecaa26bd188d52ab
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SSDEEP
768:YqqMwNXdhvc9n0nibyokkBbFRKeoozjwMo2Y:YqIpct9dvFjKeXnwMo2
Score
7/10
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation 50935f56ed6d3eebcb015437d0b93eb3.exe -
resource yara_rule behavioral2/memory/1548-0-0x0000000000010000-0x0000000000026000-memory.dmp upx behavioral2/memory/1548-12-0x0000000000010000-0x0000000000026000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\MINIE iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000cfa71eb1212ca24fab6a788c17de6221000000000200000000001066000000010000200000001478ec7288f8445925d4fdc2a79900ac1c71a22f6ee1ab25d81b4a1f13c5c66b000000000e8000000002000020000000477eae8191d9182a0077cfc592b553096431149abffce2da6eb8e312dda5d76120000000e1e36e83b91f2ffbd7e495ef5e5f7c4b772517433b103e44121a22df4f78c5a440000000573d2b078808c7a20eb936544c75a3ba10dbbcac76df6a811e1b9300da642217277a7cfb4a1d5cdc0777206caab16bbda13c4d54fb8b57018b551f0ffb822ab1 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000cfa71eb1212ca24fab6a788c17de622100000000020000000000106600000001000020000000db8489c99863b7788c512099a02674251002dd496e408d4704f3478aeb9cacc0000000000e8000000002000020000000879d4796265eed9c9b10101e6897ae19f3ebb7e3ea2651daf8ee4fc3557e567b20000000afb3114f637f4a3b24e9e33ad5f1a68ee7034eac931501b62c22a7d22aba6c4240000000e8ae08082ec0c19f7b8f225e8ea238495320f8cf0d1cddbe5f6774efb2772e209878062bbe6eabf681122c149d6d6a9d1009701732a445389e55dc0d89a9621b iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31081409" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4238854413" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31081409" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 40c593fdc143da01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 300f96fdc143da01 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{284EEE99-AFB5-11EE-9ECD-C6E29C351F1E} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4238854413" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000_Classes\Local Settings 50935f56ed6d3eebcb015437d0b93eb3.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2588 iexplore.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2588 iexplore.exe 2588 iexplore.exe 1592 IEXPLORE.EXE 1592 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1548 wrote to memory of 1012 1548 50935f56ed6d3eebcb015437d0b93eb3.exe 22 PID 1548 wrote to memory of 1012 1548 50935f56ed6d3eebcb015437d0b93eb3.exe 22 PID 1548 wrote to memory of 1012 1548 50935f56ed6d3eebcb015437d0b93eb3.exe 22 PID 2588 wrote to memory of 1592 2588 iexplore.exe 84 PID 2588 wrote to memory of 1592 2588 iexplore.exe 84 PID 2588 wrote to memory of 1592 2588 iexplore.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\50935f56ed6d3eebcb015437d0b93eb3.exe"C:\Users\Admin\AppData\Local\Temp\50935f56ed6d3eebcb015437d0b93eb3.exe"1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1548 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\A25ED4.js"2⤵PID:1012
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C:\Program Files (x86)\Internet Explorer\ielowutil.exe"C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding1⤵PID:1312
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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:2588 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2588 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1592
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