bdaejec | 8ff3153bbe1305a05801b61bcb2389bbd6e61b628e06e92bd5c419f247bd9827

Analysis

max time kernel
94s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 08:22

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General

Target

2024-12-26_ba9cc7ac0c3990555d479f79cb1eae06_smoke-loader_wapomi.exe
Size

1.6MB
MD5

ba9cc7ac0c3990555d479f79cb1eae06
SHA1

82f51f187a22b3e0b9e6e664c126b9ad57778888
SHA256

8ff3153bbe1305a05801b61bcb2389bbd6e61b628e06e92bd5c419f247bd9827
SHA512

ab45ffafa5d5414d268f90dbf2fcff48d6d826fdab638a61ee7d91d2adb54fd10903bb1fbc5d1784db098f64121c0482a4d0d04ba09eb823e2fdefeb580c34a1
SSDEEP

49152:zW5ACb37O+KwSv9ZDosxylbbD6/xF3TaSQlUFEwHzvYH8zMuNYH:af3y+Kw6ZfylbbDmF3TaSqCvYH8zMuNa

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/1724-46-0x0000000000C20000-0x0000000000C29000-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/0x000c000000023b23-3.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	CHMXTt.exe

Executes dropped EXE 1 IoCs

pid	Process
1724	CHMXTt.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	CHMXTt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	CHMXTt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	CHMXTt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	CHMXTt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	CHMXTt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	CHMXTt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	CHMXTt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	CHMXTt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	CHMXTt.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	CHMXTt.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	CHMXTt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	CHMXTt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	CHMXTt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	CHMXTt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	CHMXTt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	CHMXTt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	CHMXTt.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	CHMXTt.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	CHMXTt.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	CHMXTt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	CHMXTt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	CHMXTt.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	CHMXTt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	CHMXTt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	CHMXTt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	CHMXTt.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	2024-12-26_ba9cc7ac0c3990555d479f79cb1eae06_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CHMXTt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2560	2024-12-26_ba9cc7ac0c3990555d479f79cb1eae06_smoke-loader_wapomi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 1724	2560	2024-12-26_ba9cc7ac0c3990555d479f79cb1eae06_smoke-loader_wapomi.exe	82
PID 2560 wrote to memory of 1724	2560	2024-12-26_ba9cc7ac0c3990555d479f79cb1eae06_smoke-loader_wapomi.exe	82
PID 2560 wrote to memory of 1724	2560	2024-12-26_ba9cc7ac0c3990555d479f79cb1eae06_smoke-loader_wapomi.exe	82
PID 1724 wrote to memory of 3612	1724	CHMXTt.exe	83
PID 1724 wrote to memory of 3612	1724	CHMXTt.exe	83
PID 1724 wrote to memory of 3612	1724	CHMXTt.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-12-26_ba9cc7ac0c3990555d479f79cb1eae06_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-26_ba9cc7ac0c3990555d479f79cb1eae06_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Users\Admin\AppData\Local\Temp\CHMXTt.exe
  C:\Users\Admin\AppData\Local\Temp\CHMXTt.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:1724
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0af54c72.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3612

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\P2UT3MS5\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0af54c72.bat

Filesize
187B

MD5
acedaee49bde1e86ef6a4fdd42252963

SHA1
7e6a1d0c39e7c589ba7e9dddaed7c99326512a31

SHA256
61508bf4dc34b4b28da0bbd1034114cac1987c5a2fee6bd8eb99afb767975d8d

SHA512
0c0e26680a5a70634844138783dd7d77ca047b121a8f05511eba964ff6100d0f36d2099b8f444e724b86add34ebd654c2db42b6a6361b406e9c9992ed333e2bc

Download Submit
C:\Users\Admin\AppData\Local\Temp\19994DF2.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1724-4-0x0000000000C20000-0x0000000000C29000-memory.dmp

Filesize
36KB

Download
memory/1724-46-0x0000000000C20000-0x0000000000C29000-memory.dmp

Filesize
36KB

Download
memory/2560-0-0x0000000000400000-0x00000000005A1000-memory.dmp

Filesize
1.6MB

Download
memory/2560-7-0x0000000000400000-0x00000000005A1000-memory.dmp

Filesize
1.6MB

Download