bdaejec | 66db676de6d828518d98bb7fd27eb6d437d0c97f909a6bfad2cf6d471368a1cf

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 01:05

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General

Target

2024-12-31_95ea3838774f56bde48c33c8af0951d0_smoke-loader_wapomi.exe
Size

1.2MB
MD5

95ea3838774f56bde48c33c8af0951d0
SHA1

0e39fcf7c226c92e8a04237787d80b96b0322574
SHA256

66db676de6d828518d98bb7fd27eb6d437d0c97f909a6bfad2cf6d471368a1cf
SHA512

4f591a97dd5c56cb8e3841039aede5e6725d4a622339017e43c8ef8802fa91111ce0736356d4d6677f797d547ad8142ca886d20664797df64922af2180eecccb
SSDEEP

24576:d7GO7dtrjrICw9XuXo7beSTdt5xbX01uvfTXfBxr93d5E/jKQvVj4YpdjYY0td78:8EtnrICSooGSTD5xbX012fjBxr93

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/3960-8-0x0000000000060000-0x0000000000069000-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/0x000b000000023b8d-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	OqvbzY.exe

Executes dropped EXE 1 IoCs

pid	Process
3960	OqvbzY.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	OqvbzY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	OqvbzY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	OqvbzY.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	OqvbzY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	OqvbzY.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{AFD1DC19-D740-4861-ADFA-3BC6A9F6A223}\chrome_installer.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	OqvbzY.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	OqvbzY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	OqvbzY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	OqvbzY.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	OqvbzY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	OqvbzY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	OqvbzY.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	OqvbzY.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	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	OqvbzY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	OqvbzY.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	2024-12-31_95ea3838774f56bde48c33c8af0951d0_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OqvbzY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4444 wrote to memory of 3960	4444	2024-12-31_95ea3838774f56bde48c33c8af0951d0_smoke-loader_wapomi.exe	83
PID 4444 wrote to memory of 3960	4444	2024-12-31_95ea3838774f56bde48c33c8af0951d0_smoke-loader_wapomi.exe	83
PID 4444 wrote to memory of 3960	4444	2024-12-31_95ea3838774f56bde48c33c8af0951d0_smoke-loader_wapomi.exe	83
PID 3960 wrote to memory of 4796	3960	OqvbzY.exe	99
PID 3960 wrote to memory of 4796	3960	OqvbzY.exe	99
PID 3960 wrote to memory of 4796	3960	OqvbzY.exe	99

C:\Users\Admin\AppData\Local\Temp\2024-12-31_95ea3838774f56bde48c33c8af0951d0_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-31_95ea3838774f56bde48c33c8af0951d0_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4444
- C:\Users\Admin\AppData\Local\Temp\OqvbzY.exe
  C:\Users\Admin\AppData\Local\Temp\OqvbzY.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:3960
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2fc1249a.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4796

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\OqvbzY.exe

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3960-5-0x0000000000060000-0x0000000000069000-memory.dmp

Filesize
36KB

Download
memory/3960-8-0x0000000000060000-0x0000000000069000-memory.dmp

Filesize
36KB

Download
memory/4444-0-0x0000000000400000-0x000000000053D000-memory.dmp

Filesize
1.2MB

Download
memory/4444-7-0x0000000000400000-0x000000000053D000-memory.dmp

Filesize
1.2MB

Download