bdaejec | 8676d349cc31e2213b6819a65718deb020d2c4ece28ba4e59ef526ba1c4f521e

Analysis

max time kernel
129s
max time network
140s
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

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General

Target

2025-01-07_dd31a3438ad427460d775bf69209b2b2_smoke-loader_wapomi.exe
Size

80KB
MD5

dd31a3438ad427460d775bf69209b2b2
SHA1

3344316539a137246c053972063e95bfcf4eddc3
SHA256

8676d349cc31e2213b6819a65718deb020d2c4ece28ba4e59ef526ba1c4f521e
SHA512

62b76891e5bfe7b25484fe8252ab2b14d11d08816bd87fe2241e551795f25e636e82aaed0e4a150610d6b00e1074f738f4cacbe62c0ed991060e5f7229390584
SSDEEP

1536:RfnLq01weW5yX3jFxv49Nu4GhQjnGCq2iW7z:Y3ysTGhQTGCH

Score

10^/10

bdaejec aspackv2 backdoor discovery

Malware Config

Extracted

Family

bdaejec

ddos.dnsnb8.net

Signatures

Bdaejec
Bdaejec is a backdoor written in C++.
backdoor bdaejec
Bdaejec family
bdaejec

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/1144-8-0x0000000000AF0000-0x0000000000AF9000-memory.dmp	family_bdaejec_backdoor

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000a000000023c56-3.dat	aspack_v212_v242

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	fNuxyU.exe

Executes dropped EXE 1 IoCs

pid	Process
1144	fNuxyU.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	fNuxyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	fNuxyU.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	fNuxyU.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	fNuxyU.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	fNuxyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	fNuxyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	fNuxyU.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	fNuxyU.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	fNuxyU.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	fNuxyU.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	fNuxyU.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	fNuxyU.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	fNuxyU.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	fNuxyU.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	fNuxyU.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	fNuxyU.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	fNuxyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	fNuxyU.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-07_dd31a3438ad427460d775bf69209b2b2_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fNuxyU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5008 wrote to memory of 1144	5008	2025-01-07_dd31a3438ad427460d775bf69209b2b2_smoke-loader_wapomi.exe	85
PID 5008 wrote to memory of 1144	5008	2025-01-07_dd31a3438ad427460d775bf69209b2b2_smoke-loader_wapomi.exe	85
PID 5008 wrote to memory of 1144	5008	2025-01-07_dd31a3438ad427460d775bf69209b2b2_smoke-loader_wapomi.exe	85
PID 1144 wrote to memory of 3908	1144	fNuxyU.exe	95
PID 1144 wrote to memory of 3908	1144	fNuxyU.exe	95
PID 1144 wrote to memory of 3908	1144	fNuxyU.exe	95

C:\Users\Admin\AppData\Local\Temp\2025-01-07_dd31a3438ad427460d775bf69209b2b2_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-07_dd31a3438ad427460d775bf69209b2b2_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5008
- C:\Users\Admin\AppData\Local\Temp\fNuxyU.exe
  C:\Users\Admin\AppData\Local\Temp\fNuxyU.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1144
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\061d26be.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\061d26be.bat

Filesize
187B

MD5
9ff59a058ac34d402f03d14071991b01

SHA1
079e16f4f9f68e41f0747137e639e264b6ea8b7f

SHA256
74b1d6130178d14dab4828732fd6a0e4cd89a007ee74383372ef8fe58cf963dc

SHA512
8b9648e52621983de0e1d999df231ebc3e97dac46e20f81abc90aeb4e46303b8d5b243332711cd54307771a70eddea258206e9d1acea5c821647b40f976d3083

Download Submit
C:\Users\Admin\AppData\Local\Temp\fNuxyU.exe

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1144-5-0x0000000000AF0000-0x0000000000AF9000-memory.dmp

Filesize
36KB

Download
memory/1144-8-0x0000000000AF0000-0x0000000000AF9000-memory.dmp

Filesize
36KB

Download
memory/5008-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/5008-6-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download