bdaejec | 9d9ee476dd0a5b8893b877cb2e1b59e1c5b23cf186e7a1dabab3859707405774

Analysis

max time kernel
94s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2025, 14:43

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General

Target

2025-01-13_72a435462f966a211550f0ca67854242_smoke-loader_wapomi.exe
Size

149KB
MD5

72a435462f966a211550f0ca67854242
SHA1

c71c0ebc0d2413a21bcc39608bce754cddc54e45
SHA256

9d9ee476dd0a5b8893b877cb2e1b59e1c5b23cf186e7a1dabab3859707405774
SHA512

f7894317060cd39983ae5fa9224a357e49dd1f39d9e12d11a2b5c3a61752b33e78c9aee5420cc68529cbb0d7385e532eeb9f41d72176a63787ca6f4d06507727
SSDEEP

3072:kJE/iHy0e52V2iykLORYQ+9z0RGuX+tqB91QaGCH:p318rAYEu

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/5024-46-0x00000000005F0000-0x00000000005F9000-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/0x000c000000023bb1-3.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	AEa.exe

Executes dropped EXE 1 IoCs

pid	Process
5024	AEa.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	AEa.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	AEa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	AEa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	AEa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	AEa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	AEa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	AEa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	AEa.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	AEa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	AEa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	AEa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	AEa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	AEa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	AEa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	AEa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	AEa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	AEa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	AEa.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	AEa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	AEa.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe	AEa.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	AEa.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	AEa.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	AEa.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	AEa.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	AEa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	AEa.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	AEa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	AEa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	AEa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	AEa.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	AEa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	AEa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	AEa.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	AEa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	AEa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	AEa.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	AEa.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	AEa.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	AEa.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	AEa.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-13_72a435462f966a211550f0ca67854242_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AEa.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 5024	1660	2025-01-13_72a435462f966a211550f0ca67854242_smoke-loader_wapomi.exe	83
PID 1660 wrote to memory of 5024	1660	2025-01-13_72a435462f966a211550f0ca67854242_smoke-loader_wapomi.exe	83
PID 1660 wrote to memory of 5024	1660	2025-01-13_72a435462f966a211550f0ca67854242_smoke-loader_wapomi.exe	83
PID 5024 wrote to memory of 1640	5024	AEa.exe	84
PID 5024 wrote to memory of 1640	5024	AEa.exe	84
PID 5024 wrote to memory of 1640	5024	AEa.exe	84

C:\Users\Admin\AppData\Local\Temp\2025-01-13_72a435462f966a211550f0ca67854242_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-13_72a435462f966a211550f0ca67854242_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\AEa.exe
  C:\Users\Admin\AppData\Local\Temp\AEa.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:5024
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\38a11d90.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1640

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\0BHOTC3C\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\19101469.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\38a11d90.bat

Filesize
181B

MD5
993adfa1f012bbf4b361e2aa62b09c19

SHA1
ae403f285ef3301b91e6772756c7b52c8c96d609

SHA256
fbae3f62444e23ec6a6880b9e4b576ebd4c84486bca2b4fb95dcb81da3d80d2e

SHA512
46d533921a7b2427e037434038a22853d0f82cbac46b105271b9791a8a84f69783d001d79c6f5a0ea28adf785ea4a9d20075934587810cfcee823b501e8d7da3

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1660-0-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1660-48-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/5024-4-0x00000000005F0000-0x00000000005F9000-memory.dmp

Filesize
36KB

Download
memory/5024-46-0x00000000005F0000-0x00000000005F9000-memory.dmp

Filesize
36KB

Download