Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-01-2025 02:30
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe
Resource
win7-20240708-en
windows7-x64
11 signatures
150 seconds
General
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Target
2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe
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Size
506KB
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MD5
dd2cb657776b537c66b1ed2a3727e194
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SHA1
d7fbdac8d0eea115ff45a9d149bf3de9194ce763
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SHA256
1bcd9f753725db468b34c91e404ab447f448792dfaa9ddace2fbbe426b41e148
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SHA512
6cd393b13a0009e3ec2a459149ec07ddc33dd8926fc52e9e450011a3f4a52fb963e7a86cbfff7a59c54ca350f700fac376162e0d5ebba4253b2bcfcb75c3698d
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SSDEEP
12288:aZxLyDV6tDqoTjsb586lK/P4OjR26YdPc4sY:aZxmV0qkIuPLjRVYdPcNY
Malware Config
Extracted
Family
bdaejec
C2
ddos.dnsnb8.net
Signatures
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Bdaejec family
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Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral2/memory/920-8-0x0000000000980000-0x0000000000989000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023b76-3.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation chjdc.exe -
Executes dropped EXE 1 IoCs
pid Process 920 chjdc.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe chjdc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe chjdc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe chjdc.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe chjdc.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe chjdc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe chjdc.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe chjdc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE chjdc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE chjdc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe chjdc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE chjdc.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe chjdc.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe chjdc.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe chjdc.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe chjdc.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe chjdc.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe chjdc.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe chjdc.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe chjdc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE chjdc.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe chjdc.exe File opened for modification C:\Program Files\Windows Mail\wab.exe chjdc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe chjdc.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe chjdc.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe chjdc.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe chjdc.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe chjdc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe chjdc.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe chjdc.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe chjdc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE chjdc.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe chjdc.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe chjdc.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe chjdc.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe chjdc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoev.exe chjdc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe chjdc.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe chjdc.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe chjdc.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe chjdc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe chjdc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe chjdc.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe chjdc.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe chjdc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe chjdc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe chjdc.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe chjdc.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe chjdc.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE chjdc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE chjdc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE chjdc.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe chjdc.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe chjdc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE chjdc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe chjdc.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe chjdc.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe chjdc.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe chjdc.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe chjdc.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe chjdc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE chjdc.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe chjdc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe chjdc.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe chjdc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 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 chjdc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2244 2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe 2244 2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe 2244 2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe 2244 2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2244 wrote to memory of 920 2244 2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe 83 PID 2244 wrote to memory of 920 2244 2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe 83 PID 2244 wrote to memory of 920 2244 2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe 83 PID 920 wrote to memory of 2352 920 chjdc.exe 100 PID 920 wrote to memory of 2352 920 chjdc.exe 100 PID 920 wrote to memory of 2352 920 chjdc.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2244 -
C:\Users\Admin\AppData\Local\Temp\chjdc.exeC:\Users\Admin\AppData\Local\Temp\chjdc.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:920 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0b812e84.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:2352
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
185B
MD53691ba53a04fff347777de11042a88a7
SHA1c92e58fecf32832ef5530e93f563d7ffb08e798f
SHA256e9de30f81736834ef636baa274836ca78dedce41a7150b80df977c6bf4a7aafa
SHA51247535e7e6db13ac32e5b8ebd2594df1e911dc5dd7ed5939107b91d2b084dfa88ef14018cab569cf1fcf61356f8247f9c8ee5ead3ae7d1e2b129e2bb6142555f1
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e