Analysis
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max time kernel
94s -
max time network
98s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
26/04/2024, 15:48
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2024-04-26_b9627283f6c4e211efe746fb8df9c37d_bkransomware_karagany_wapomi.exe
Resource
win7-20240419-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-04-26_b9627283f6c4e211efe746fb8df9c37d_bkransomware_karagany_wapomi.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
2024-04-26_b9627283f6c4e211efe746fb8df9c37d_bkransomware_karagany_wapomi.exe
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Size
100KB
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MD5
b9627283f6c4e211efe746fb8df9c37d
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SHA1
8b399fd04f34d2e3426f81d79958c31e2afed094
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SHA256
24a4d10f6c72bcf223dc557bd30d906ebed24d9ae118e1e0b3ff5b4d69fd5d5f
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SHA512
26db3e1c93e1d1138fb9b943597592d22e8070cae8d2916ea4aaa40fab61723cdceb3d651c6df7ce38146a2a0fe4d8ebacef4f578b1b73248b0958d6abea8269
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SSDEEP
1536:62RJ8zIXEMBreBSee5cTZV5MuzcekgksWjcdKabhGCq2iW7zm:62RcMSXiACW3LKiGCHy
Score
9/10
Malware Config
Signatures
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Detects executables packed with ASPack 3 IoCs
resource yara_rule behavioral2/files/0x0006000000023308-3.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/3264-6-0x0000000000620000-0x0000000000629000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/3264-46-0x0000000000620000-0x0000000000629000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x0006000000023308-3.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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation wHtMpB.exe -
Executes dropped EXE 1 IoCs
pid Process 3264 wHtMpB.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe wHtMpB.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe wHtMpB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE wHtMpB.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe wHtMpB.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe wHtMpB.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe wHtMpB.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe wHtMpB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE wHtMpB.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe wHtMpB.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe wHtMpB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe wHtMpB.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe wHtMpB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE wHtMpB.exe File opened for modification C:\Program Files\Mozilla Firefox\minidump-analyzer.exe wHtMpB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe wHtMpB.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe wHtMpB.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE wHtMpB.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe wHtMpB.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe wHtMpB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe wHtMpB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe wHtMpB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe wHtMpB.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe wHtMpB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe wHtMpB.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe wHtMpB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE wHtMpB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe wHtMpB.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe wHtMpB.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe wHtMpB.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE wHtMpB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe wHtMpB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE wHtMpB.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE wHtMpB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe wHtMpB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe wHtMpB.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe wHtMpB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe wHtMpB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe wHtMpB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe wHtMpB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe wHtMpB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE wHtMpB.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2900 wrote to memory of 3264 2900 2024-04-26_b9627283f6c4e211efe746fb8df9c37d_bkransomware_karagany_wapomi.exe 79 PID 2900 wrote to memory of 3264 2900 2024-04-26_b9627283f6c4e211efe746fb8df9c37d_bkransomware_karagany_wapomi.exe 79 PID 2900 wrote to memory of 3264 2900 2024-04-26_b9627283f6c4e211efe746fb8df9c37d_bkransomware_karagany_wapomi.exe 79 PID 3264 wrote to memory of 2668 3264 wHtMpB.exe 80 PID 3264 wrote to memory of 2668 3264 wHtMpB.exe 80 PID 3264 wrote to memory of 2668 3264 wHtMpB.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-26_b9627283f6c4e211efe746fb8df9c37d_bkransomware_karagany_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-26_b9627283f6c4e211efe746fb8df9c37d_bkransomware_karagany_wapomi.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2900 -
C:\Users\Admin\AppData\Local\Temp\wHtMpB.exeC:\Users\Admin\AppData\Local\Temp\wHtMpB.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3264 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3e9d449e.bat" "3⤵PID:2668
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4B
MD5d3b07384d113edec49eaa6238ad5ff00
SHA1f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
SHA256b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA5120cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
187B
MD5a5f25c0b2d203fb53dbc34fb9841fa6a
SHA1542f121a93497e79a6f2b4cf976413c5d4baf15c
SHA2561232a63420333a690aafb2f06196879ac9e17a9892bf100f249950495a8e9cdf
SHA512d159d73fbbd1b16fd1a9a360c4ed50b48c77d2db29c9d6fe1b507c34335172617a6ba88ff5debed1a56d16daf50285cc76cb6f3b1f3de48827f225d931cce785
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e