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Analysis
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max time kernel
152s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
30/12/2023, 13:26
Behavioral task
behavioral1
Sample
19fa4877aa1c78adeeb533a3cf2baea5.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
19fa4877aa1c78adeeb533a3cf2baea5.exe
Resource
win10v2004-20231215-en
General
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Target
19fa4877aa1c78adeeb533a3cf2baea5.exe
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Size
32KB
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MD5
19fa4877aa1c78adeeb533a3cf2baea5
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SHA1
d75afdd6fa3aa0ba480c0bfc4eb7707fe402ca78
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SHA256
f93189551b6350bfccca998a53d81d334493c4a5f614f433dd5d3eced9593838
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SHA512
a02956daa8c63600ad320894a7059c4c55e1e9c459bc8b967c63ae3ca69d13ac9d6be632dad53f765f33b57faf6f3998d7c9c37bccbc590c288097b59c70de99
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SSDEEP
768:IGMMYw0PyHD1jSI4h5lgFrcP114lZaQv4cpSnbcuyD7U:INMYlyjAI4rlkcd14lZaQv/onouy8
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-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation 19fa4877aa1c78adeeb533a3cf2baea5.exe -
resource yara_rule behavioral2/memory/2820-0-0x0000000000010000-0x0000000000031000-memory.dmp upx behavioral2/memory/2820-3-0x0000000000010000-0x0000000000031000-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-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31080041" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2064153891" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2162904813" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\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 Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31080041" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31080041" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000000000001000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000056c0f093da428f4099809f3dbcc1bfee0000000002000000000010660000000100002000000077579c21d784b88db95aaa3905c108a6d858d7943a363d3f21df89d9ed362060000000000e8000000002000020000000c41410b5da4adf1d674f7f4b302d01292032ebe52620b857eb89ee6d1d567093200000007754a742c6d0fc1e24fc0d9ad9eff8283e47c0dfd7e0ea804306764b18041fef40000000484dc98a535fea1cd6079266a6a2a7bab7bcfd5589c14e97686989659884904d4cc642df2d0d4e80fd99c3835250e5ceaedb694f389661ba323e8db3b5e7b195 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 10a4d687693eda01 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "411067530" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2064153891" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\MINIE iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{A64B80C2-AA5C-11EE-9BE3-C6E29C351F1E} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2532 iexplore.exe 2532 iexplore.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2532 iexplore.exe 2532 iexplore.exe 228 IEXPLORE.EXE 228 IEXPLORE.EXE 2532 iexplore.exe 2532 iexplore.exe 4932 IEXPLORE.EXE 4932 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2820 wrote to memory of 4476 2820 19fa4877aa1c78adeeb533a3cf2baea5.exe 92 PID 2820 wrote to memory of 4476 2820 19fa4877aa1c78adeeb533a3cf2baea5.exe 92 PID 2820 wrote to memory of 4476 2820 19fa4877aa1c78adeeb533a3cf2baea5.exe 92 PID 2532 wrote to memory of 228 2532 iexplore.exe 102 PID 2532 wrote to memory of 228 2532 iexplore.exe 102 PID 2532 wrote to memory of 228 2532 iexplore.exe 102 PID 2532 wrote to memory of 4932 2532 iexplore.exe 108 PID 2532 wrote to memory of 4932 2532 iexplore.exe 108 PID 2532 wrote to memory of 4932 2532 iexplore.exe 108
Processes
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C:\Users\Admin\AppData\Local\Temp\19fa4877aa1c78adeeb533a3cf2baea5.exe"C:\Users\Admin\AppData\Local\Temp\19fa4877aa1c78adeeb533a3cf2baea5.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2820 -
C:\Windows\SysWOW64\wscript.exe"C:\Windows\system32\wscript.exe" //B "C:\Users\Admin\AppData\Local\Temp\bKfSEOabB.js" "C:\Users\Admin\AppData\Local\Temp\19fa4877aa1c78adeeb533a3cf2baea5.exe"2⤵PID:4476
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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:3156
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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:2532 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2532 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:228
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2532 CREDAT:82948 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4932
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
291B
MD5b73189024a094989653a1002fb6a790b
SHA10c44f096cd1fec253c1fe2fcfcd3c58fe05c402d
SHA256014c471c07b2bc1b90cf5b46eb8eb60abe3ac278e43cd8fcc7c4e6c8950c592d
SHA5121bca726835d33847812060c968e5306535f513429de5c90d66942155fd42ff75508dba97da8ca36c6d6e6a8df5a2602fe3be047bb5612ad4e367c6c00e1e50a3
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
15KB
MD50675193a4d63893ba814e941ed10e663
SHA1dfbd0e0525f99545e6920dc4ec2981a2e56ff335
SHA2561cd0b8cac74843422570e54ecd42aab967b228aee1533658d4656445b9f03acd
SHA512a925676e2e319f5575389e0e300e1f039f9ba0c5b3de16ec6a5da8925824bb84f327b8467643b25a6087217b42c1cf320d24cd78063897e1f693549422763c93