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Analysis
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max time kernel
561s -
max time network
571s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
13/06/2023, 06:23
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://118.107.7.166/azu/azu641.exe
Resource
win10v2004-20230220-en
General
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Target
http://118.107.7.166/azu/azu641.exe
Malware Config
Signatures
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Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 3208 azu641.exe -
resource yara_rule behavioral1/files/0x000700000001db86-162.dat vmprotect behavioral1/files/0x000700000001db86-163.dat vmprotect behavioral1/memory/3208-165-0x00007FF709650000-0x00007FF709FF6000-memory.dmp vmprotect -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\K: azu641.exe File opened (read-only) \??\Q: azu641.exe File opened (read-only) \??\R: azu641.exe File opened (read-only) \??\B: azu641.exe File opened (read-only) \??\F: azu641.exe File opened (read-only) \??\J: azu641.exe File opened (read-only) \??\T: azu641.exe File opened (read-only) \??\V: azu641.exe File opened (read-only) \??\W: azu641.exe File opened (read-only) \??\H: azu641.exe File opened (read-only) \??\M: azu641.exe File opened (read-only) \??\S: azu641.exe File opened (read-only) \??\Y: azu641.exe File opened (read-only) \??\Z: azu641.exe File opened (read-only) \??\E: azu641.exe File opened (read-only) \??\I: azu641.exe File opened (read-only) \??\N: azu641.exe File opened (read-only) \??\P: azu641.exe File opened (read-only) \??\U: azu641.exe File opened (read-only) \??\X: azu641.exe File opened (read-only) \??\G: azu641.exe File opened (read-only) \??\L: azu641.exe File opened (read-only) \??\O: azu641.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString azu641.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 azu641.exe -
Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\PhishingFilter iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = d42e80ebae45d901 iexplore.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\RepId iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\MINIE iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2881025050" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d0d5e3abbf9dd901 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = a0ac00acbf9dd901 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000023e58b2caa707044929bc4cc0ffd02e90000000002000000000010660000000100002000000085659ed21297d3cbb53c81380db89f0258e5d4a0825fc580a555602cfe36847d000000000e80000000020000200000001492f1eed26c6bcf19c4fa2ae765a5f6524d0a3cbefd68bc9325f71c665681b420000000f6c39bf4ae720a38b9efa0715d555a66cae5c654d607017e894e38cf1357a69a40000000c820b514c4ac6abff0cc1d98deeb3e36c93e47990dc11f0f62bc15199fa7172ddc731149bce25d02ddbaa6908c511ebcbcd2fc15e5affed77fb246dd76304ca2 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D6281871-09B2-11EE-9EF6-DAE3AE61CC88} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2869150974" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "393402395" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31038911" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000023e58b2caa707044929bc4cc0ffd02e900000000020000000000106600000001000020000000abc31f7caaee3d777033019bbac27c9cc3b4dfef253846d3737907dcb9bf5e86000000000e8000000002000020000000b848bee50128797d464750adbd4071e5d06c4ea9ccc4551ad0bb6e3730cfe84c2000000086f5ad7609c43b2142cba017f96d2da1e12ecf1622f1b9bab09aba8175ef6cec40000000690601517f8056447648f924aec5c0477e0cddb3e34c929e2ae5313eda28916f52c63e06728e747ad79dffb8cffb9abc05481f1a4bbe8f7ad078bcc0ee21f86e iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\RepId\PublicId = "{BA759A22-5728-4CD1-B53C-C23F468DEBA5}" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2869150974" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31038911" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31038911" IEXPLORE.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe 3208 azu641.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3888 iexplore.exe 3888 iexplore.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3888 iexplore.exe 3888 iexplore.exe 1376 IEXPLORE.EXE 1376 IEXPLORE.EXE 3208 azu641.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3888 wrote to memory of 1376 3888 iexplore.exe 84 PID 3888 wrote to memory of 1376 3888 iexplore.exe 84 PID 3888 wrote to memory of 1376 3888 iexplore.exe 84 PID 3888 wrote to memory of 3208 3888 iexplore.exe 94 PID 3888 wrote to memory of 3208 3888 iexplore.exe 94 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" http://118.107.7.166/azu/azu641.exe1⤵
- Modifies Internet Explorer Phishing Filter
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3888 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3888 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1376
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\WPCK8CWE\azu641.exe"C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\WPCK8CWE\azu641.exe"2⤵
- Executes dropped EXE
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3208
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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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD5f00c651bd023e439cef538cb61938602
SHA17e49f7ce3c00bde7692a5fd85497e1f60b1f616e
SHA256ac671834dcc3d8ef96272da936597334cccd7c1106beeac5919e6cb308f9bb66
SHA51291ddece9b7c3fe2ab0d9b4891fbe522f344b58fedf99b5eee0f06e573770dfb96d69c0727102b94a22d34a671fa28cd51d90e4fd35b28443b260195a9ce53de6
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD52d50fdc677ad15edeea33930fb0840ff
SHA17d80841a69d6befc73fefb8f73f5300d8bb33a1f
SHA25614aa2e9f2165167f68d299d54241cec6b9555b3df5cf429d6c1ad61196c6f2f7
SHA5126edf4623a1bdcf483c7383ce9b1e34bb4e4a2ceba852683ec71bd17934ec2e7102d2208050c7ed05c683a5610edff5afeac3f72b1219bf1df36f0f2a769ad70e
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Filesize
5.7MB
MD54a3f936b7097831a8dfcc8960a71dbee
SHA14852cf0f3e412db0e18d5fd5df2dc02d781e2d72
SHA2568d9e334f557a03738bb4d95d2f1439d7275a20ab6f04729daf800ebfc02b2d18
SHA512d6ef400c072ce32b7ead53b3c8ba4162eaa4ee751483c3e74f2651fdf820f7a24c99b454885392a700f47cdd3d686412f7a8a813d40454d0f4290918e5b0ee39
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Filesize
5.7MB
MD54a3f936b7097831a8dfcc8960a71dbee
SHA14852cf0f3e412db0e18d5fd5df2dc02d781e2d72
SHA2568d9e334f557a03738bb4d95d2f1439d7275a20ab6f04729daf800ebfc02b2d18
SHA512d6ef400c072ce32b7ead53b3c8ba4162eaa4ee751483c3e74f2651fdf820f7a24c99b454885392a700f47cdd3d686412f7a8a813d40454d0f4290918e5b0ee39
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
300KB
MD5580130429f81a25eeb36c9f0e63925c6
SHA16baaf3130046a3daa36df902ba16b5c2c0354ac3
SHA2569f9e9c9ec201fd805e2f0e2817c8c9a447d301900247e8a80ee65cee14a104ce
SHA5127ae0762029d37abb4002bb2fb2234791b4612119238862f1bb3320eeb41b9d0168385d50b25483ad2dd241d212a36d24fae6a6871ed52414f6ecfece95ef9049