Analysis
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max time kernel
120s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
21-11-2022 15:14
Behavioral task
behavioral1
Sample
77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
2 signatures
150 seconds
General
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Target
77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe
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Size
106KB
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MD5
309187c855dd728a52fdb836f18c8df8
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SHA1
c97afd5969816422a1866a70a5f66022317e3ea3
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SHA256
77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0
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SHA512
5cb9e9b32546dfe90e3b9c91ea9cfa19acd502f7de9b70af7881ff37dffb6b5e085ee7dc6d9a2f234330d1bf1278885b3630579c7af9109e943fb50ce4e6d106
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SSDEEP
1536:FOC0FvV4OguHxjhpA4Bm7uW0vSUsghQevBFkutIbgTuFqKRr0aF5frleGhd9TfBm:FwV4OgSzBmh04eZFkz3Rr0gwGj9Tf81
Malware Config
Signatures
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resource yara_rule behavioral1/memory/1544-54-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/1544-57-0x0000000000400000-0x000000000046C000-memory.dmp upx -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{9D6EFE31-69B7-11ED-8589-FE63F52BA449} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375812262" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{9D6F2541-69B7-11ED-8589-FE63F52BA449} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 1544 77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe 1544 77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe 1544 77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe 1544 77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe 1544 77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe 1544 77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe 1544 77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe 1544 77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1544 77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1188 iexplore.exe 1396 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 1188 iexplore.exe 1396 iexplore.exe 1188 iexplore.exe 1396 iexplore.exe 1524 IEXPLORE.EXE 1524 IEXPLORE.EXE 624 IEXPLORE.EXE 624 IEXPLORE.EXE 1524 IEXPLORE.EXE 1524 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1544 wrote to memory of 1396 1544 77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe 28 PID 1544 wrote to memory of 1396 1544 77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe 28 PID 1544 wrote to memory of 1396 1544 77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe 28 PID 1544 wrote to memory of 1396 1544 77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe 28 PID 1544 wrote to memory of 1188 1544 77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe 29 PID 1544 wrote to memory of 1188 1544 77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe 29 PID 1544 wrote to memory of 1188 1544 77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe 29 PID 1544 wrote to memory of 1188 1544 77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe 29 PID 1188 wrote to memory of 1524 1188 iexplore.exe 31 PID 1396 wrote to memory of 624 1396 iexplore.exe 32 PID 1188 wrote to memory of 1524 1188 iexplore.exe 31 PID 1188 wrote to memory of 1524 1188 iexplore.exe 31 PID 1188 wrote to memory of 1524 1188 iexplore.exe 31 PID 1396 wrote to memory of 624 1396 iexplore.exe 32 PID 1396 wrote to memory of 624 1396 iexplore.exe 32 PID 1396 wrote to memory of 624 1396 iexplore.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe"C:\Users\Admin\AppData\Local\Temp\77e8b99fbac1e751f946814d10ff1d2be89e8dcbfab6940bf08ea4d898a456e0.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1544 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1396 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1396 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:624
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1188 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1188 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1524
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{9D6EFE31-69B7-11ED-8589-FE63F52BA449}.dat
Filesize4KB
MD5155b30da9649b17cd0776087384f896a
SHA1237e50f3daa4c2efb476dd106e4c4b7c126306b6
SHA2565c87a5c532c9120638cd2a62124f6858cd2e190c72491c4c4fb48cca5adc243c
SHA5129cae283d63fb9f8d314181239081c2b2d1d020ac24125b8f3350c654d88032289085e07a24df1ccd8f71451f180d1c0bbc77a25a67cb724ed78e4c6d97dd604c
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{9D6F2541-69B7-11ED-8589-FE63F52BA449}.dat
Filesize5KB
MD50b32a2f1d600a3f5ba0f8f82ecdf7be1
SHA104c694e118fc794a416ca84a230aa0b639ee5ef5
SHA256e0059648279c731313cb4dc09cfc302eb82bba1f6f999b92cda6d86958786bf3
SHA512444a6b7774e5836ff7b016c7855fef5b16dc71c7934510b4e0734ac396d83e176b83e0a51be8a3e2f348d091cdc40df67900d1124f08ad29124667a8c9b87720
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Filesize
608B
MD552d786a4ca52b0c9f1273ecfcf7d60e3
SHA11d7ca5ba25ac5f87ebf1567edfb7eda5f954e8a2
SHA256f9e9aa76dd392f6862f77be9eccc71fe892d351f31cb8a7519a13def1536adaa
SHA51228bbef3dfce4ccab32223f4d43188d47ac88631f25015d350cd656e5133002f48d99698732d74c4b053cb94f5731a7c8856bb0491d0a99cde94754b413606b85