bdaejec | 6405fff0f38e854fb479ee512c7f005a6edf7c798dfb27d033e97b23bf099db7

Analysis

max time kernel
140s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2025 23:22

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General

Target

2025-02-01_a12432e75d88a5c1534d978f85524377_smoke-loader_wapomi.exe
Size

581KB
MD5

a12432e75d88a5c1534d978f85524377
SHA1

d9ca09da728b378d4ed14709fe0207e3ab9a21b0
SHA256

6405fff0f38e854fb479ee512c7f005a6edf7c798dfb27d033e97b23bf099db7
SHA512

0c17e3bcecee59259c59bbb024c200542c1d1bdae367cfbc3b8541e0a21d67d38e086591296a0cb80e2423a761ce012c0340b9ae2c887f563570abe8464b2eb6
SSDEEP

12288:FkCkUf7WV/HGlI9O+FPnPfFfqfyJasMRiABSm8ay4HL+0NQLfn/Cq3G/Pv5:eCkUaOMn0OlMMdcHsTn/Bu5

Score

10^/10

bdaejec aspackv2 backdoor discovery upx

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/4672-45-0x0000000000DF0000-0x0000000000DF9000-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/0x0009000000023c94-5.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	PFRXIN.exe

Executes dropped EXE 1 IoCs

pid	Process
4672	PFRXIN.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/364-0-0x0000000000400000-0x000000000056E000-memory.dmp	upx
behavioral2/memory/364-47-0x0000000000400000-0x000000000056E000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	PFRXIN.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	PFRXIN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	PFRXIN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	PFRXIN.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	PFRXIN.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	PFRXIN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	PFRXIN.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	PFRXIN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	PFRXIN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	PFRXIN.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	PFRXIN.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	PFRXIN.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	PFRXIN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	PFRXIN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	PFRXIN.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	PFRXIN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	PFRXIN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	PFRXIN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	PFRXIN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	PFRXIN.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{86586A1C-7EEC-4BB2-AD86-7C1FB3D0D811}\chrome_installer.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	PFRXIN.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	PFRXIN.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	PFRXIN.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	PFRXIN.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	PFRXIN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	PFRXIN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	PFRXIN.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	2025-02-01_a12432e75d88a5c1534d978f85524377_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PFRXIN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
364	2025-02-01_a12432e75d88a5c1534d978f85524377_smoke-loader_wapomi.exe
364	2025-02-01_a12432e75d88a5c1534d978f85524377_smoke-loader_wapomi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 364 wrote to memory of 4672	364	2025-02-01_a12432e75d88a5c1534d978f85524377_smoke-loader_wapomi.exe	82
PID 364 wrote to memory of 4672	364	2025-02-01_a12432e75d88a5c1534d978f85524377_smoke-loader_wapomi.exe	82
PID 364 wrote to memory of 4672	364	2025-02-01_a12432e75d88a5c1534d978f85524377_smoke-loader_wapomi.exe	82
PID 4672 wrote to memory of 3212	4672	PFRXIN.exe	83
PID 4672 wrote to memory of 3212	4672	PFRXIN.exe	83
PID 4672 wrote to memory of 3212	4672	PFRXIN.exe	83

C:\Users\Admin\AppData\Local\Temp\2025-02-01_a12432e75d88a5c1534d978f85524377_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_a12432e75d88a5c1534d978f85524377_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:364
- C:\Users\Admin\AppData\Local\Temp\PFRXIN.exe
  C:\Users\Admin\AppData\Local\Temp\PFRXIN.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:4672
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\35124244.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3212

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\Microsoft\Windows\INetCache\IE\PGH3GSHW\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\35124244.bat

Filesize
187B

MD5
1871a3a6e92c5f391dbc94e52c8d9f26

SHA1
8e87f19ecf8a6073879324b273c8c3eb9468faa1

SHA256
3d30ff27aa6a4f69dbc5cec77ef67172133d7532a9907c83da8e13ec664e79fa

SHA512
20bad8facb8bdce1b3b0b739cc5a374d7183274219af246a9554dd58033e017357c957a0658c50abeea1b11fdc0db10b138bf57d5fa34850cfd172b69e53e3e5

Download Submit
C:\Users\Admin\AppData\Local\Temp\6BBD16E8.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/364-0-0x0000000000400000-0x000000000056E000-memory.dmp

Filesize
1.4MB

Download
memory/364-47-0x0000000000400000-0x000000000056E000-memory.dmp

Filesize
1.4MB

Download
memory/4672-4-0x0000000000DF0000-0x0000000000DF9000-memory.dmp

Filesize
36KB

Download
memory/4672-45-0x0000000000DF0000-0x0000000000DF9000-memory.dmp

Filesize
36KB

Download