Analysis
- max time kernel
148s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system - submitted
25/07/2024, 01:11
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
055bb90b6b1355dfbd03fc77826720e14b37934a078fa1caa1ef0e47e04a99e8.exe
Resource
win7-20240704-en
windows7-x64
11 signatures
150 seconds
General
- Target 055bb90b6b1355dfbd03fc77826720e14b37934a078fa1caa1ef0e47e04a99e8.exe
- Size 246KB
- Sample240725-bj3tmayenq
- SHA256 055bb90b6b1355dfbd03fc77826720e14b37934a078fa1caa1ef0e47e04a99e8
- MD5 97a3d3bbbf620a1eead18626beef0932
- SHA1 52a1b750a8bb5b64e153179e090f95c69bd340b8
- SHA512 cf5b5a215c7e2ac16306a3f3737d9c7a57c87e8cbe92299e947cf734a8379a23f18b8a43058d359b10e1aa7597f141e54862d6980186d1614902b803c233385d
- SSDEEP 3072:1+m9ZYH0gOSr9fM9pXF57/VQ9LZjfnGCH:sSSOj99/GLpe
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
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systembc
C2
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31.44.185.6:4001
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31.44.185.11:4001
Signatures
-
resource yara_rule behavioral2/files/0x0009000000023400-3.dat aspack_v212_v242 - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\Control Panel\International\Geo\Nation FYGAKz.exe - Executes dropped EXE 3 IoCs
pid Process 2056 FYGAKz.exe 2104 vdvp.exe 4844 FYGAKz.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe FYGAKz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe FYGAKz.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe FYGAKz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe FYGAKz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE FYGAKz.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe FYGAKz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe FYGAKz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe FYGAKz.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.106\Installer\setup.exe FYGAKz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe FYGAKz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe FYGAKz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe FYGAKz.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe FYGAKz.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe FYGAKz.exe File opened for modification C:\Program Files\7-Zip\7zG.exe FYGAKz.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.106\chrome_pwa_launcher.exe FYGAKz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe FYGAKz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe FYGAKz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe FYGAKz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe FYGAKz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE FYGAKz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE FYGAKz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe FYGAKz.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe FYGAKz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe FYGAKz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe FYGAKz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe FYGAKz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE FYGAKz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE FYGAKz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE FYGAKz.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe FYGAKz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe FYGAKz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe FYGAKz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe FYGAKz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe FYGAKz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe FYGAKz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe FYGAKz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe FYGAKz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe FYGAKz.exe File opened for modification C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.106\chrome_installer.exe FYGAKz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe FYGAKz.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe FYGAKz.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe FYGAKz.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe FYGAKz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe FYGAKz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe FYGAKz.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe FYGAKz.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe FYGAKz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe FYGAKz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe FYGAKz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe FYGAKz.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.exe FYGAKz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE FYGAKz.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe FYGAKz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe FYGAKz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe FYGAKz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe FYGAKz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe FYGAKz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe FYGAKz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe FYGAKz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe FYGAKz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe FYGAKz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe FYGAKz.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe FYGAKz.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\Tasks\vdvp.job 055bb90b6b1355dfbd03fc77826720e14b37934a078fa1caa1ef0e47e04a99e8.exe File created C:\Windows\Tasks\vdvp.job 055bb90b6b1355dfbd03fc77826720e14b37934a078fa1caa1ef0e47e04a99e8.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
pid pid_target Process procid_target 1660 4832 WerFault.exe 83 - System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 055bb90b6b1355dfbd03fc77826720e14b37934a078fa1caa1ef0e47e04a99e8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language FYGAKz.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vdvp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language FYGAKz.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Modifies data under HKEY_USERS 5 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ FYGAKz.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" FYGAKz.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" FYGAKz.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" FYGAKz.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" FYGAKz.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4832 055bb90b6b1355dfbd03fc77826720e14b37934a078fa1caa1ef0e47e04a99e8.exe 4832 055bb90b6b1355dfbd03fc77826720e14b37934a078fa1caa1ef0e47e04a99e8.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4832 wrote to memory of 2056 4832 055bb90b6b1355dfbd03fc77826720e14b37934a078fa1caa1ef0e47e04a99e8.exe 84 PID 4832 wrote to memory of 2056 4832 055bb90b6b1355dfbd03fc77826720e14b37934a078fa1caa1ef0e47e04a99e8.exe 84 PID 4832 wrote to memory of 2056 4832 055bb90b6b1355dfbd03fc77826720e14b37934a078fa1caa1ef0e47e04a99e8.exe 84 PID 2056 wrote to memory of 1824 2056 FYGAKz.exe 85 PID 2056 wrote to memory of 1824 2056 FYGAKz.exe 85 PID 2056 wrote to memory of 1824 2056 FYGAKz.exe 85 PID 2104 wrote to memory of 4844 2104 vdvp.exe 99 PID 2104 wrote to memory of 4844 2104 vdvp.exe 99 PID 2104 wrote to memory of 4844 2104 vdvp.exe 99 PID 4844 wrote to memory of 2768 4844 FYGAKz.exe 100 PID 4844 wrote to memory of 2768 4844 FYGAKz.exe 100 PID 4844 wrote to memory of 2768 4844 FYGAKz.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\055bb90b6b1355dfbd03fc77826720e14b37934a078fa1caa1ef0e47e04a99e8.exe"C:\Users\Admin\AppData\Local\Temp\055bb90b6b1355dfbd03fc77826720e14b37934a078fa1caa1ef0e47e04a99e8.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4832 -
C:\Users\Admin\AppData\Local\Temp\FYGAKz.exeC:\Users\Admin\AppData\Local\Temp\FYGAKz.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2056 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\57525a5c.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:1824
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4832 -s 4922⤵
- Program crash
PID:1660
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C:\ProgramData\bvhhrd\vdvp.exeC:\ProgramData\bvhhrd\vdvp.exe start1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2104 -
C:\Windows\TEMP\FYGAKz.exeC:\Windows\TEMP\FYGAKz.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:4844 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Windows\TEMP\5cee6af1.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:2768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4832 -ip 48321⤵PID:5060
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\ProgramData\bvhhrd\vdvp.exe
- Size 246KB
- SHA256 055bb90b6b1355dfbd03fc77826720e14b37934a078fa1caa1ef0e47e04a99e8
- MD5 97a3d3bbbf620a1eead18626beef0932
- SHA1 52a1b750a8bb5b64e153179e090f95c69bd340b8
- SHA512 cf5b5a215c7e2ac16306a3f3737d9c7a57c87e8cbe92299e947cf734a8379a23f18b8a43058d359b10e1aa7597f141e54862d6980186d1614902b803c233385d
- SSDEEP 3072:1+m9ZYH0gOSr9fM9pXF57/VQ9LZjfnGCH:sSSOj99/GLpe
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\WZ04RUV6\k2[1].rar
- Size 4B
- SHA256 b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
- MD5 d3b07384d113edec49eaa6238ad5ff00
- SHA1 f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
- SHA512 0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\2A83041E.exe
- Size 4B
- SHA256 9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
- MD5 20879c987e2f9a916e578386d499f629
- SHA1 c7b33ddcc42361fdb847036fc07e880b81935d5d
- SHA512 bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\57525a5c.bat
- Size 187B
- SHA256 7d7f6b774737ee5a9031b439499b84835a9eae5093d2a853a243498fec65e244
- MD5 99ab6abb620a2fcb5474532b6a54f262
- SHA1 c086ade2b5c54d9e2cea42e383a4ce10bc6ce0fd
- SHA512 ebdb854adf415437ea4d99dcf01eced94528473e3513380a3faf717136bbd343bc346759bfa0d15c38cbfbc08f02384bc45a90666dc969fba90b8e740ddc8a3a
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\FYGAKz.exe
- Size 15KB
- SHA256 4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
- MD5 f7d21de5c4e81341eccd280c11ddcc9a
- SHA1 d4e9ef10d7685d491583c6fa93ae5d9105d815bd
- SHA512 e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3
- SSDEEP 384:IXZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:gQGPL4vzZq2o9W7GsxBbPr
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\TEMP\5cee6af1.bat
- Size 133B
- SHA256 cdf8349fc86fffbfd47145a2ade1a0c61e8c7b4400d95b945cb56ada270195e2
- MD5 ed47d861c8383face78f0481edee71ca
- SHA1 eebff540106ebf3b652ad3d38d87d81620935387
- SHA512 ec36a0b898361a4c3ae0095251285a36e763626990c134a19dfe60d8646eb7304322ce39c6d1d1a40988a2aa458645349a34b7084151fbc76f32f37fe637322f
- MD5 SHA1 SHA512