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Analysis
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max time kernel
145s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
03/02/2024, 10:47
Behavioral task
behavioral1
Sample
8c22cc6c36035347dce52fffc09d61d1.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
8c22cc6c36035347dce52fffc09d61d1.exe
Resource
win10v2004-20231215-en
General
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Target
8c22cc6c36035347dce52fffc09d61d1.exe
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Size
32KB
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MD5
8c22cc6c36035347dce52fffc09d61d1
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SHA1
e84b5ef880593ae5dac4a3aab76ba66a97645356
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SHA256
edc343fe667f1a6beaa0bf8a7164304db1336ecdcace8186c045ff8370758f66
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SHA512
2c5499ad5ebe14910604dd3dc404c516b4d1c8113c721458950c189732c82a92dbd6d279d49ef03176e64ee12a6432bbd2a90fc3e0563602998e7c60e8861809
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SSDEEP
768:zOSTlzjFQ1i4l/8AxwzaGghufw/I2zMAV5ExonbcuyD7U:yOQj8Axwzanhuo/xBV0onouy8
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-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation 8c22cc6c36035347dce52fffc09d61d1.exe -
resource yara_rule behavioral2/memory/1144-0-0x0000000000010000-0x0000000000032000-memory.dmp upx behavioral2/memory/1144-3-0x0000000000010000-0x0000000000032000-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-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\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-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\MINIE iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\oo.lv IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31086222" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b073ad868e56da01 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\DOMStorage\oo.lv IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31086222" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B127CB10-C281-11EE-9963-524326B4BB5C} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\oo.lv\NumberOfSubdomains = "1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2240773475" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Factor = "20" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Cache = b104000003000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000025ba558cff15364f83b59eef6d4e53a400000000020000000000106600000001000020000000655514e052afb513ebfedde0dd6f305b7d0f0dd46bc0cb50be76ee2f968704f5000000000e80000000020000200000001bea672f1d208687612251b6d8bb63ee88c4d8670f334d1c57ed90f9d672be7c20000000f37ee5bf7341dce6a7b5ce71d4bf001c63a910e1f161780929fe45179ea302a140000000eed099f6b40f266c77eb97a70e6d4e42fb61672440df6512fac61fe94c3399504f4b01f230c4782ad72dec149e849b15ab5110fb259012be5f4d31c3c7e16ab7 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Enable = "1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2240773475" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c029ab868e56da01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Size = "10" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000025ba558cff15364f83b59eef6d4e53a40000000002000000000010660000000100002000000094db8ee61484dfa8b78ba2b3d62f5e0c64954ff9bac9a5288d2b1b2d1040c685000000000e80000000020000200000006d3936028aab1b838bfb70b00446a1a182f7bb3a74ae81f3b06dd5312b6c4c6d20000000b8ab51c67249689f1eccee8b18af49b3882117e92fe60f017198073fe9e7ff5e40000000dfed1a75471ea74f4725963c089206642dfb5dec2fe52eccfb0077ccf6f18bc5911434040e3cd231acc462dc1e233cb9792184a32f40ab465692efdf819edd7f iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\International\CpMRU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 728 iexplore.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 728 iexplore.exe 728 iexplore.exe 960 IEXPLORE.EXE 960 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1144 wrote to memory of 4076 1144 8c22cc6c36035347dce52fffc09d61d1.exe 85 PID 1144 wrote to memory of 4076 1144 8c22cc6c36035347dce52fffc09d61d1.exe 85 PID 1144 wrote to memory of 4076 1144 8c22cc6c36035347dce52fffc09d61d1.exe 85 PID 728 wrote to memory of 960 728 iexplore.exe 92 PID 728 wrote to memory of 960 728 iexplore.exe 92 PID 728 wrote to memory of 960 728 iexplore.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\8c22cc6c36035347dce52fffc09d61d1.exe"C:\Users\Admin\AppData\Local\Temp\8c22cc6c36035347dce52fffc09d61d1.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Windows\SysWOW64\wscript.exe"C:\Windows\system32\wscript.exe" //B "C:\Users\Admin\AppData\Local\Temp\uPQCxThuOz.js" "C:\Users\Admin\AppData\Local\Temp\8c22cc6c36035347dce52fffc09d61d1.exe"2⤵PID:4076
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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:4452
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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:728 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:728 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:960
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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
10KB
MD52b1dcb98e33a48a9e2a827b3be6f49ec
SHA16ae76f3c0d2afd8f7f7353eef06d9c45a22352b4
SHA2561d01ee8c0f6bcb07e18ca1009fd1e3ec2b9ccf1bcfb1354e06223564e0ea0ca3
SHA512c20d6c1e5a6be745f07cc176628b7e8018a9681cba31b05c15f2c8f07efb0032e3e960621cc495fb08ca12e44fcef7ce26774409698234746543187510e2b077