Analysis
-
max time kernel
173s -
max time network
174s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 21:31
Static task
static1
Behavioral task
behavioral1
Sample
02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5a.exe
Resource
win7-20220812-en
General
-
Target
02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5a.exe
-
Size
2.4MB
-
MD5
9a95d4b86ce7a4e1db29238b6ee09e07
-
SHA1
2f88a5d77fd038da83ad1eca661639ae0199484e
-
SHA256
02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5a
-
SHA512
3d44adac646b41200242b66772d3def18f3a2695fa8d26ec59bcb465911bbe0f95905e889d55272155a712aafa922c65d0a66a423dffe8fdd708631c012728a5
-
SSDEEP
49152:Wym+5BR+UwyfyD2phLtaAGcoaNKIayOzRku/o3+/o8chJGDr:VbZDLQA8AONkCt/V4JQr
Malware Config
Signatures
-
Executes dropped EXE 2 IoCs
Processes:
02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5aSrv.exeDesktopLayer.exepid process 1852 02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5aSrv.exe 3468 DesktopLayer.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5aSrv.exe upx C:\Users\Admin\AppData\Local\Temp\02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5aSrv.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx behavioral2/memory/1852-140-0x0000000000400000-0x000000000042E000-memory.dmp upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx behavioral2/memory/3468-141-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Loads dropped DLL 4 IoCs
Processes:
02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5a.exepid process 1188 02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5a.exe 1188 02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5a.exe 1188 02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5a.exe 1188 02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5a.exe -
Drops file in Program Files directory 3 IoCs
Processes:
02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5aSrv.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\px4314.tmp 02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5aSrv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe 02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5aSrv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe 02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5aSrv.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30998436" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3178105110" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30998436" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E2F45C11-6B97-11ED-BF5F-6683CF8C50C7} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3178105110" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376018554" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
DesktopLayer.exepid process 3468 DesktopLayer.exe 3468 DesktopLayer.exe 3468 DesktopLayer.exe 3468 DesktopLayer.exe 3468 DesktopLayer.exe 3468 DesktopLayer.exe 3468 DesktopLayer.exe 3468 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 1548 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 1548 iexplore.exe 1548 iexplore.exe 2364 IEXPLORE.EXE 2364 IEXPLORE.EXE 2364 IEXPLORE.EXE 2364 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5a.exe02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5aSrv.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 1188 wrote to memory of 1852 1188 02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5a.exe 02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5aSrv.exe PID 1188 wrote to memory of 1852 1188 02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5a.exe 02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5aSrv.exe PID 1188 wrote to memory of 1852 1188 02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5a.exe 02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5aSrv.exe PID 1852 wrote to memory of 3468 1852 02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5aSrv.exe DesktopLayer.exe PID 1852 wrote to memory of 3468 1852 02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5aSrv.exe DesktopLayer.exe PID 1852 wrote to memory of 3468 1852 02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5aSrv.exe DesktopLayer.exe PID 3468 wrote to memory of 1548 3468 DesktopLayer.exe iexplore.exe PID 3468 wrote to memory of 1548 3468 DesktopLayer.exe iexplore.exe PID 1548 wrote to memory of 2364 1548 iexplore.exe IEXPLORE.EXE PID 1548 wrote to memory of 2364 1548 iexplore.exe IEXPLORE.EXE PID 1548 wrote to memory of 2364 1548 iexplore.exe IEXPLORE.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5a.exe"C:\Users\Admin\AppData\Local\Temp\02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5a.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1188 -
C:\Users\Admin\AppData\Local\Temp\02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5aSrv.exeC:\Users\Admin\AppData\Local\Temp\02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5aSrv.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1852 -
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:3468 -
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:1548 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1548 CREDAT:17410 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2364
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
C:\Users\Admin\AppData\Local\Temp\02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5aSrv.exe
Filesize55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
C:\Users\Admin\AppData\Local\Temp\02d32b5138dd1d7576fe4e7696ebcc3a6f007e8c478db065bf4372d9f55a0b5aSrv.exe
Filesize55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
Filesize
7KB
MD5dd85ac7d85c92dd0e3cc17dfd4890f54
SHA1a128fb7a05965c1a9913c6f5e419e6c4c0a7d2fa
SHA25627abd2a4fb1bf66add60221b52d061bbe24d2d21e13600725ff7a5c6c777b504
SHA512e4ff8216c65110a9d156f37c2062acb53a72daa8af12dfc24278920d9e1a4083a81b1446759df75405b2da34c7bfb1afc33184feedd0aee4ed73f79fcbb1a8a1
-
Filesize
7KB
MD5dd85ac7d85c92dd0e3cc17dfd4890f54
SHA1a128fb7a05965c1a9913c6f5e419e6c4c0a7d2fa
SHA25627abd2a4fb1bf66add60221b52d061bbe24d2d21e13600725ff7a5c6c777b504
SHA512e4ff8216c65110a9d156f37c2062acb53a72daa8af12dfc24278920d9e1a4083a81b1446759df75405b2da34c7bfb1afc33184feedd0aee4ed73f79fcbb1a8a1
-
Filesize
67KB
MD58fef2ddc02a88527acf5f875aa79590a
SHA1b3ebe53a0037789c155992eee0547de1a76712b9
SHA2565b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50
SHA5127f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de
-
Filesize
67KB
MD58fef2ddc02a88527acf5f875aa79590a
SHA1b3ebe53a0037789c155992eee0547de1a76712b9
SHA2565b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50
SHA5127f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de