Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
25-05-2024 16:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2024-05-25_1ae4c0a29fbead545123b54448c27745_bkransomware_wapomi.exe
Resource
win7-20240419-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-05-25_1ae4c0a29fbead545123b54448c27745_bkransomware_wapomi.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
7 signatures
150 seconds
General
-
Target
2024-05-25_1ae4c0a29fbead545123b54448c27745_bkransomware_wapomi.exe
-
Size
215KB
-
MD5
1ae4c0a29fbead545123b54448c27745
-
SHA1
340e9e2f0543e2dd4c6b9354324517da55cad69b
-
SHA256
f5a1207417c66db424cba3ae46de4914fef8075c48893812ad13dd1b734e3d73
-
SHA512
578ced1c9e18f2c757e5b1a9497939929cb8b9b6f4cce4babf7b348886972cbc4d796f7cbb8eb1372429c74cee20fe924631bb16eefc28f2da41bd9a0ef0da83
-
SSDEEP
3072:J666SmGgfYMSLpt690G4EHI8FeqvrvuSUdyfQHoAb3MVD+Q3KUGCH:J2SSI60GhHvjv1Q83Kp
Score
9/10
Malware Config
Signatures
-
Detects executables packed with ASPack 3 IoCs
resource yara_rule behavioral2/files/0x0009000000023400-3.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4600-5-0x0000000000150000-0x0000000000159000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4600-46-0x0000000000150000-0x0000000000159000-memory.dmp INDICATOR_EXE_Packed_ASPack -
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-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation VmHnNW.exe -
Executes dropped EXE 1 IoCs
pid Process 4600 VmHnNW.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe VmHnNW.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe VmHnNW.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe VmHnNW.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe VmHnNW.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE VmHnNW.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe VmHnNW.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe VmHnNW.exe File opened for modification C:\Program Files\Mozilla Firefox\minidump-analyzer.exe VmHnNW.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe VmHnNW.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe VmHnNW.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe VmHnNW.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe VmHnNW.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe VmHnNW.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.exe VmHnNW.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoev.exe VmHnNW.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe VmHnNW.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe VmHnNW.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe VmHnNW.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE VmHnNW.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe VmHnNW.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe VmHnNW.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe VmHnNW.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE VmHnNW.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE VmHnNW.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE VmHnNW.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe VmHnNW.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe VmHnNW.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe VmHnNW.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe VmHnNW.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe VmHnNW.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe VmHnNW.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe VmHnNW.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe VmHnNW.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{F4DF7669-184D-4D67-991D-8B1550DDF396}\chrome_installer.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe VmHnNW.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe VmHnNW.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE VmHnNW.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe VmHnNW.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe VmHnNW.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe VmHnNW.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3244 wrote to memory of 4600 3244 2024-05-25_1ae4c0a29fbead545123b54448c27745_bkransomware_wapomi.exe 83 PID 3244 wrote to memory of 4600 3244 2024-05-25_1ae4c0a29fbead545123b54448c27745_bkransomware_wapomi.exe 83 PID 3244 wrote to memory of 4600 3244 2024-05-25_1ae4c0a29fbead545123b54448c27745_bkransomware_wapomi.exe 83 PID 4600 wrote to memory of 3660 4600 VmHnNW.exe 87 PID 4600 wrote to memory of 3660 4600 VmHnNW.exe 87 PID 4600 wrote to memory of 3660 4600 VmHnNW.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-05-25_1ae4c0a29fbead545123b54448c27745_bkransomware_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-25_1ae4c0a29fbead545123b54448c27745_bkransomware_wapomi.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3244 -
C:\Users\Admin\AppData\Local\Temp\VmHnNW.exeC:\Users\Admin\AppData\Local\Temp\VmHnNW.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\05b6401d.bat" "3⤵PID:3660
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
4B
MD5d3b07384d113edec49eaa6238ad5ff00
SHA1f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
SHA256b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA5120cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
-
Filesize
187B
MD5c423dea74cc0c442402750f4239a6c11
SHA112a3f5ff6ea7ff7fb80538370f46430c7d89a52d
SHA256761c4d9c8396dba6cd362a62559aa335556a274412bbc9096e8e1d68feae283d
SHA51267b34c5fcf985b406042ca8ffce2667e91d7ba3ec95e55f5540805b53a5f164ba8b0291a3d125711ad0b8517022951bbf0964375b4761455cb5bf28f63a71e1e
-
Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
-
Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e