Analysis
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max time kernel
141s -
max time network
186s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 21:30
Static task
static1
Behavioral task
behavioral1
Sample
0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3c.exe
Resource
win7-20221111-en
General
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Target
0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3c.exe
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Size
22.2MB
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MD5
58f07bf1dbb4cb546bfcd3e35fff05c4
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SHA1
78a821620a63616136e7502f874b9cf3399e9624
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SHA256
0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3c
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SHA512
4b041da1da5aa0e70ca8125e5459d0a157c6bb8e91720bd2530f5a3b7dca05e27b132093af3cf204ce3ffa6ba72c060cbe93146e3d107c2f117106aedd3c13ad
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SSDEEP
393216:/QzcIq7jr/g39/L6BJ/1fqEFm+CqPcdfQeG6h+6/cZLCwPi5N1gKtgUicLQ3:/QzNYr/cdL6BJ/1fO+ChG56x/cFrPi5W
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exeDesktopLayer.exepid process 564 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe 916 DesktopLayer.exe -
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe upx C:\Users\Admin\AppData\Local\Temp\0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe upx C:\Users\Admin\AppData\Local\Temp\0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe upx behavioral1/memory/564-64-0x0000000000400000-0x000000000042E000-memory.dmp upx \Program Files (x86)\Microsoft\DesktopLayer.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx behavioral1/memory/916-71-0x0000000000230000-0x000000000023F000-memory.dmp upx behavioral1/memory/916-72-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/916-73-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Loads dropped DLL 5 IoCs
Processes:
0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3c.exe0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exepid process 1236 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3c.exe 1236 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3c.exe 1236 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3c.exe 564 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe 1236 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3c.exe -
Drops file in Program Files directory 3 IoCs
Processes:
0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\px42DB.tmp 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process 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 = "376018551" 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\InternetRegistry 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\Main\WindowsSearch 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 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 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\IntelliForms 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 (data) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 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\GPU 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\Zoom 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 Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{E8928E91-6B97-11ED-BEDC-663367632C22} = "0" 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\PageSetup 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\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ 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\DomainSuggestion\FileNames 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\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
DesktopLayer.exepid process 916 DesktopLayer.exe 916 DesktopLayer.exe 916 DesktopLayer.exe 916 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 2040 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 2040 iexplore.exe 2040 iexplore.exe 108 IEXPLORE.EXE 108 IEXPLORE.EXE 108 IEXPLORE.EXE 108 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3c.exe0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 1236 wrote to memory of 564 1236 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3c.exe 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe PID 1236 wrote to memory of 564 1236 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3c.exe 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe PID 1236 wrote to memory of 564 1236 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3c.exe 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe PID 1236 wrote to memory of 564 1236 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3c.exe 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe PID 564 wrote to memory of 916 564 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe DesktopLayer.exe PID 564 wrote to memory of 916 564 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe DesktopLayer.exe PID 564 wrote to memory of 916 564 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe DesktopLayer.exe PID 564 wrote to memory of 916 564 0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe DesktopLayer.exe PID 916 wrote to memory of 2040 916 DesktopLayer.exe iexplore.exe PID 916 wrote to memory of 2040 916 DesktopLayer.exe iexplore.exe PID 916 wrote to memory of 2040 916 DesktopLayer.exe iexplore.exe PID 916 wrote to memory of 2040 916 DesktopLayer.exe iexplore.exe PID 2040 wrote to memory of 108 2040 iexplore.exe IEXPLORE.EXE PID 2040 wrote to memory of 108 2040 iexplore.exe IEXPLORE.EXE PID 2040 wrote to memory of 108 2040 iexplore.exe IEXPLORE.EXE PID 2040 wrote to memory of 108 2040 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3c.exe"C:\Users\Admin\AppData\Local\Temp\0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3c.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1236 -
C:\Users\Admin\AppData\Local\Temp\0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exeC:\Users\Admin\AppData\Local\Temp\0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:564 -
C:\Program Files (x86)\Microsoft\DesktopLayer.exe"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:916 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2040 CREDAT:275457 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:108
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\Local\Temp\0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe
Filesize55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\Local\Temp\0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe
Filesize55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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Filesize
601B
MD5f818c763daaa9f876781246461a8c863
SHA126852f2220eea4d83839bcfe66699c5d97a4eda0
SHA2561664fa9aa0842147ead94f6c3f892552532f0d20c7b2a0bcc83c1a373f1c11da
SHA512e3deefe74484342696c012d591af0ab1a0217b7ec98ae8c1d3058b142bcdb30bf0dc6e19363614819f55d5fa103f6923dcec06c9c433790c3e465399c5b8beb9
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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\Users\Admin\AppData\Local\Temp\0c119b3d3b4d8922c2f8e4f8b0d17a331e3a8ddd7b172828391dbad9a05e4a3cSrv.exe
Filesize55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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Filesize
7KB
MD5dd85ac7d85c92dd0e3cc17dfd4890f54
SHA1a128fb7a05965c1a9913c6f5e419e6c4c0a7d2fa
SHA25627abd2a4fb1bf66add60221b52d061bbe24d2d21e13600725ff7a5c6c777b504
SHA512e4ff8216c65110a9d156f37c2062acb53a72daa8af12dfc24278920d9e1a4083a81b1446759df75405b2da34c7bfb1afc33184feedd0aee4ed73f79fcbb1a8a1
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Filesize
67KB
MD58fef2ddc02a88527acf5f875aa79590a
SHA1b3ebe53a0037789c155992eee0547de1a76712b9
SHA2565b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50
SHA5127f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de
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Filesize
67KB
MD58fef2ddc02a88527acf5f875aa79590a
SHA1b3ebe53a0037789c155992eee0547de1a76712b9
SHA2565b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50
SHA5127f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de