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Analysis
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max time kernel
134s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
29/12/2023, 20:59
Static task
static1
Behavioral task
behavioral1
Sample
03dae5e5db9ad479709d3cadb6764bf1.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
03dae5e5db9ad479709d3cadb6764bf1.exe
Resource
win10v2004-20231215-en
General
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Target
03dae5e5db9ad479709d3cadb6764bf1.exe
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Size
32KB
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MD5
03dae5e5db9ad479709d3cadb6764bf1
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SHA1
4503c31b2fe170e0b6b8ede391f097bc3d682c4a
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SHA256
9267b7e0a1012a6172bdcf70c0087ea713ead01a90623064269bdd2c232b07e9
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SHA512
35e032587d3906045b259df9b77007de7b4a4d92cc46ef57ed1c33fcaa3b2630abb408965a31de207b0cace0dd5f112fe2355510135f5624fdae53ec8f147ce0
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SSDEEP
768:6pwkaVpVWusK6BC3ne9QeaOQJP6coScckqRF1UtNPRaj7:6K/kxK6P9QkQJinScXqf1wPu7
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LoveHebeA = "C:\\Windows\\system32\\vlstasx.exe" 03dae5e5db9ad479709d3cadb6764bf1.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\vlstasx.exe 03dae5e5db9ad479709d3cadb6764bf1.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\vlstasx.exe 03dae5e5db9ad479709d3cadb6764bf1.exe File created C:\Windows\SysWOW64\vlstasx.exe 03dae5e5db9ad479709d3cadb6764bf1.exe -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1286789682" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31079096" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31079096" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000cfa71eb1212ca24fab6a788c17de6221000000000200000000001066000000010000200000001e5824b1b17af84ed16cf7d4cdc122afb1e354aed1be2de4a74fab63617585e6000000000e800000000200002000000073b6e54934f68ac006181ba1f59b60b21d11b7b82a37b7ea4e44ae1907d914c120000000fc8a12ee46af10681c14b7608d7fa2d7ef3677b906b2b17dd483a26acaea87b740000000b6fc4aa321aa49fe1e02bf7d18553185ec74efd87ebd17dbdff8e103916958d0cad92c27250de417e9166ce2d8122247cc8e57c1a288c819344fab1beaba1ef7 IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000cfa71eb1212ca24fab6a788c17de622100000000020000000000106600000001000020000000a10b24206e98b445c0286547fb0fc1af583aafdff0b04e2a1a01c5e40d9fc0e4000000000e8000000002000020000000e8cfcb4a491729b7082ea47eda89d4a7eba1bd80bc8e52d661ea375c29b1fe12200000009ef10d6910e781bc37a9dc3c828695588fca5134813af2c63c6719cbd056ba9440000000183e60fba8e3f8848bea47673edfc57cbb043ec61c1ecff209397d72d89028ed3bb698120a1c7a453cdc71a1bbfcc05978479755e2bef7f490cc1127af1e6fc0 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\Main 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 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 (data) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d0a56154b83ada01 IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 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 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\LastCheckForUpdateHighDateTime = "31079096" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1286789682" 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 = d0876654b83ada01 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\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1271008169" 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\{7766CF5F-A6AB-11EE-9ECD-CAE9171F1CAB} = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE 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\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1271008169" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31079096" IEXPLORE.EXE -
Suspicious behavior: EnumeratesProcesses 36 IoCs
pid Process 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 3192 03dae5e5db9ad479709d3cadb6764bf1.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 704 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 704 IEXPLORE.EXE 704 IEXPLORE.EXE 1308 IEXPLORE.EXE 1308 IEXPLORE.EXE 1308 IEXPLORE.EXE 1308 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3192 wrote to memory of 704 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 100 PID 3192 wrote to memory of 704 3192 03dae5e5db9ad479709d3cadb6764bf1.exe 100 PID 704 wrote to memory of 1308 704 IEXPLORE.EXE 101 PID 704 wrote to memory of 1308 704 IEXPLORE.EXE 101 PID 704 wrote to memory of 1308 704 IEXPLORE.EXE 101
Processes
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C:\Users\Admin\AppData\Local\Temp\03dae5e5db9ad479709d3cadb6764bf1.exe"C:\Users\Admin\AppData\Local\Temp\03dae5e5db9ad479709d3cadb6764bf1.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3192 -
C:\Program Files\Internet Explorer\IEXPLORE.EXEOpen http://www.sky8000.com/sina/tongji.htm2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:704 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:704 CREDAT:17410 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1308
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
15KB
MD51a545d0052b581fbb2ab4c52133846bc
SHA162f3266a9b9925cd6d98658b92adec673cbe3dd3
SHA256557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
SHA512bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d