bdaejec | b4bfb07b932ed7367c88b76f6d56e4b0bb3d3b8a49012aa0fa8a5b091d5d757c

Analysis

max time kernel
106s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 10:50

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General

Target

2024-12-21_b1deb7992fc27ed4f4b4307d1a8ce615_smoke-loader_wapomi.exe
Size

115KB
MD5

b1deb7992fc27ed4f4b4307d1a8ce615
SHA1

88e014372574dd35cf0a475d72cd9ba0c2916c62
SHA256

b4bfb07b932ed7367c88b76f6d56e4b0bb3d3b8a49012aa0fa8a5b091d5d757c
SHA512

e332e59496090f451c357a9404236dd27118f23140fa6a20c851deeb65b592f157335962b16b35139819851e32e97a8f5d4f038a6c05c471de39414df47d31d0
SSDEEP

3072:Y4QdYiyJpcXWJ2JWfO1e4LwbNp5Q/TdGCH:Y4LJVf7WI

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/2448-8-0x0000000000630000-0x0000000000639000-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/0x000a000000023c01-5.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	fgCWVYJ.exe

Executes dropped EXE 1 IoCs

pid	Process
2448	fgCWVYJ.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	fgCWVYJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	fgCWVYJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	fgCWVYJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	fgCWVYJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	fgCWVYJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	fgCWVYJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	fgCWVYJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	fgCWVYJ.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	fgCWVYJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	fgCWVYJ.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	2024-12-21_b1deb7992fc27ed4f4b4307d1a8ce615_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fgCWVYJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 2448	552	2024-12-21_b1deb7992fc27ed4f4b4307d1a8ce615_smoke-loader_wapomi.exe	82
PID 552 wrote to memory of 2448	552	2024-12-21_b1deb7992fc27ed4f4b4307d1a8ce615_smoke-loader_wapomi.exe	82
PID 552 wrote to memory of 2448	552	2024-12-21_b1deb7992fc27ed4f4b4307d1a8ce615_smoke-loader_wapomi.exe	82
PID 2448 wrote to memory of 4812	2448	fgCWVYJ.exe	92
PID 2448 wrote to memory of 4812	2448	fgCWVYJ.exe	92
PID 2448 wrote to memory of 4812	2448	fgCWVYJ.exe	92

C:\Users\Admin\AppData\Local\Temp\2024-12-21_b1deb7992fc27ed4f4b4307d1a8ce615_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-21_b1deb7992fc27ed4f4b4307d1a8ce615_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:552
- C:\Users\Admin\AppData\Local\Temp\fgCWVYJ.exe
  C:\Users\Admin\AppData\Local\Temp\fgCWVYJ.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:2448
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5815731a.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4812

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\5815731a.bat

Filesize
189B

MD5
e79dafb86c7b372d0a5dcb32f633ace9

SHA1
938e63306e00f35f798b81da9e8e587fb95b6ae4

SHA256
8fbb11065ad213fd22add71ef750c07c6c388ac799be099398119a0d5f17800a

SHA512
e59210d2addd559a3ea902882d856bcbbbe27efdc451677bf8aff757b9f933222b58008cad457c204e0efb0085d9bb2855544765a13e5ced7b252a422cacde93

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/552-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/552-7-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2448-4-0x0000000000630000-0x0000000000639000-memory.dmp

Filesize
36KB

Download
memory/2448-8-0x0000000000630000-0x0000000000639000-memory.dmp

Filesize
36KB

Download