bdaejec | 0827f443374db0fe8c93fa479fa2e075fef80a45f35a71bbbe19073b6632bb04

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-01-2025 12:10

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General

Target

2025-01-16_e9fbe8825057afd50bed83af30ec819d_smoke-loader_wapomi.exe
Size

136KB
MD5

e9fbe8825057afd50bed83af30ec819d
SHA1

8eed976a5d69a47ea58c8bb64df67667717c5985
SHA256

0827f443374db0fe8c93fa479fa2e075fef80a45f35a71bbbe19073b6632bb04
SHA512

b7b162e4720ec951007a84e3684d6919e0407b0e8b08ac0a7009902e352f91134fd85c299400735f656c06516429c6d33bd13687db1f865239623891201743a6
SSDEEP

3072:6Rhm+3+lBFZBuVt5ls4qQXvvSGuIiGCH:6frubFX6s4qQXvvSDg

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/2228-30-0x0000000000920000-0x0000000000929000-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/0x000c000000023b15-3.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	zfx.exe

Executes dropped EXE 1 IoCs

pid	Process
2228	zfx.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	zfx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	zfx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	zfx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	zfx.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	zfx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	zfx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	zfx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	zfx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	zfx.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	zfx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	zfx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	zfx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	zfx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe	zfx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	zfx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	zfx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	zfx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	zfx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	zfx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	zfx.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	zfx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	zfx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	zfx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	zfx.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	zfx.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	zfx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-16_e9fbe8825057afd50bed83af30ec819d_smoke-loader_wapomi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 2228	4616	2025-01-16_e9fbe8825057afd50bed83af30ec819d_smoke-loader_wapomi.exe	84
PID 4616 wrote to memory of 2228	4616	2025-01-16_e9fbe8825057afd50bed83af30ec819d_smoke-loader_wapomi.exe	84
PID 4616 wrote to memory of 2228	4616	2025-01-16_e9fbe8825057afd50bed83af30ec819d_smoke-loader_wapomi.exe	84
PID 2228 wrote to memory of 3368	2228	zfx.exe	89
PID 2228 wrote to memory of 3368	2228	zfx.exe	89
PID 2228 wrote to memory of 3368	2228	zfx.exe	89

C:\Users\Admin\AppData\Local\Temp\2025-01-16_e9fbe8825057afd50bed83af30ec819d_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-16_e9fbe8825057afd50bed83af30ec819d_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4616
- C:\Users\Admin\AppData\Local\Temp\zfx.exe
  C:\Users\Admin\AppData\Local\Temp\zfx.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:2228
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6fe8229d.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3368

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\8R55UT9S\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\6fe8229d.bat

Filesize
181B

MD5
3ec9c5d4ba0cad915066470e5051b2f0

SHA1
723df397002553fde99e56db0af42b423dd17884

SHA256
44340fd348b53e945dc2e7735d48a4d348bde1da49c53de0aa27ba7b74973f0a

SHA512
f3076ce27cf9cb20b65067c54130c8e6d19dc2f0c5c8505367aebb1b33c7e5ff0938bd7163c4347342dc011de7f8159c212e5ebbe6b914c0e7c4ecf931fbcefe

Download Submit
C:\Users\Admin\AppData\Local\Temp\7F8D75C6.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2228-5-0x0000000000920000-0x0000000000929000-memory.dmp

Filesize
36KB

Download
memory/2228-30-0x0000000000920000-0x0000000000929000-memory.dmp

Filesize
36KB

Download
memory/4616-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4616-28-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4616-29-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download