bdaejec | de7a6388f4b16c9574951dbc079cf4e60154dfc28caab53f9eae3e3ec009c2c5

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/01/2025, 15:09

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General

Target

de7a6388f4b16c9574951dbc079cf4e60154dfc28caab53f9eae3e3ec009c2c5.exe
Size

96KB
MD5

09e3b705008c2006689fd2b01cea1ed9
SHA1

5312ee8343040ddfe490fefaef7f26d60ba23123
SHA256

de7a6388f4b16c9574951dbc079cf4e60154dfc28caab53f9eae3e3ec009c2c5
SHA512

35e6ab394f3ff93a9e445fdd8b96c9527ae6523fd23c865738e0dcd9ee363558c92205cf4ea8b736c3d0893588469699a3b763fab3f8ae0be5b4ea0805bd49d7
SSDEEP

1536:pECLKU4+dwC/p0cQ7ZCAINqPDHuXnvE0oK11oGCq2iW7ze:pJLrp0cQ7QAINqPDHQncVGCHy

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/4208-46-0x00000000003E0000-0x00000000003E9000-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/0x000c000000023b6c-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	tCblXf.exe

Executes dropped EXE 1 IoCs

pid	Process
4208	tCblXf.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	tCblXf.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	tCblXf.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	tCblXf.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	tCblXf.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	tCblXf.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	tCblXf.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	tCblXf.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	tCblXf.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	tCblXf.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	tCblXf.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	tCblXf.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	tCblXf.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	tCblXf.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	tCblXf.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	tCblXf.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	tCblXf.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	tCblXf.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	tCblXf.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	tCblXf.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	tCblXf.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	tCblXf.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	tCblXf.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	tCblXf.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	tCblXf.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	tCblXf.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	tCblXf.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	tCblXf.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	tCblXf.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	tCblXf.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	tCblXf.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	tCblXf.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	tCblXf.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	tCblXf.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	tCblXf.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	tCblXf.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	tCblXf.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	tCblXf.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	tCblXf.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	tCblXf.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	tCblXf.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	tCblXf.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	de7a6388f4b16c9574951dbc079cf4e60154dfc28caab53f9eae3e3ec009c2c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tCblXf.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 4208	3968	de7a6388f4b16c9574951dbc079cf4e60154dfc28caab53f9eae3e3ec009c2c5.exe	82
PID 3968 wrote to memory of 4208	3968	de7a6388f4b16c9574951dbc079cf4e60154dfc28caab53f9eae3e3ec009c2c5.exe	82
PID 3968 wrote to memory of 4208	3968	de7a6388f4b16c9574951dbc079cf4e60154dfc28caab53f9eae3e3ec009c2c5.exe	82
PID 4208 wrote to memory of 2064	4208	tCblXf.exe	83
PID 4208 wrote to memory of 2064	4208	tCblXf.exe	83
PID 4208 wrote to memory of 2064	4208	tCblXf.exe	83

C:\Users\Admin\AppData\Local\Temp\de7a6388f4b16c9574951dbc079cf4e60154dfc28caab53f9eae3e3ec009c2c5.exe
"C:\Users\Admin\AppData\Local\Temp\de7a6388f4b16c9574951dbc079cf4e60154dfc28caab53f9eae3e3ec009c2c5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3968
- C:\Users\Admin\AppData\Local\Temp\tCblXf.exe
  C:\Users\Admin\AppData\Local\Temp\tCblXf.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:4208
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5a1b0ed0.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2064

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\FQRZN8O7\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\33512471.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\5a1b0ed0.bat

Filesize
187B

MD5
840bf94574ee7f3d25a632a1b9571298

SHA1
1daa98d0511f1dbd48672428b1bb75b9a79ce024

SHA256
313152e58652b1ceac510dc917b3b796b89687901ef5e395edb546de37c7aaaa

SHA512
97c7f951e19613caa91298d9b39946a0d7ca902778586354044d59bc948807231ad1281d104fd2ff4cb1a0f7eb485d15636d34d597de4f71660a6b8b61aa3912

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3968-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3968-7-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4208-4-0x00000000003E0000-0x00000000003E9000-memory.dmp

Filesize
36KB

Download
memory/4208-46-0x00000000003E0000-0x00000000003E9000-memory.dmp

Filesize
36KB

Download