bdaejec | de4ee4290ec899096746faef1c6a67693648d1a2636a05a94ef1198153667a37

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2025 17:25

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General

Target

de4ee4290ec899096746faef1c6a67693648d1a2636a05a94ef1198153667a37N.exe
Size

31KB
MD5

28b6bc26274bdf8a8910159c2d645430
SHA1

e2957c9fb49315876696d5a83b672706347c7201
SHA256

de4ee4290ec899096746faef1c6a67693648d1a2636a05a94ef1198153667a37
SHA512

f6e866458c8b674eb8cf266548942102b5056f1467f5ce0021e071130985f98361a18e8ccb95eddc715ddca3fa3289c4226628627b63a8826baa0ab835c8742c
SSDEEP

768:uWQ3655Kv1X/qY1MSd6vQGPL4vzZq2o9W7GsxBbPr:uHqaNrFd6oGCq2iW7z

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/4528-46-0x0000000000C50000-0x0000000000C59000-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/0x000c000000023af9-3.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-1-5-21-70482961-775596374-3727440602-1000\Control Panel\International\Geo\Nation	wjfIhu.exe

Executes dropped EXE 1 IoCs

pid	Process
4528	wjfIhu.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	wjfIhu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	wjfIhu.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	wjfIhu.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	wjfIhu.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	wjfIhu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	wjfIhu.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	wjfIhu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	wjfIhu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	wjfIhu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	wjfIhu.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	wjfIhu.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	wjfIhu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	wjfIhu.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	wjfIhu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	wjfIhu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	wjfIhu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	wjfIhu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	wjfIhu.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	wjfIhu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	wjfIhu.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	wjfIhu.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	wjfIhu.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	wjfIhu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe	wjfIhu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	wjfIhu.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	wjfIhu.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	wjfIhu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	wjfIhu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	wjfIhu.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	wjfIhu.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	wjfIhu.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	de4ee4290ec899096746faef1c6a67693648d1a2636a05a94ef1198153667a37N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wjfIhu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 4528	2888	de4ee4290ec899096746faef1c6a67693648d1a2636a05a94ef1198153667a37N.exe	83
PID 2888 wrote to memory of 4528	2888	de4ee4290ec899096746faef1c6a67693648d1a2636a05a94ef1198153667a37N.exe	83
PID 2888 wrote to memory of 4528	2888	de4ee4290ec899096746faef1c6a67693648d1a2636a05a94ef1198153667a37N.exe	83
PID 4528 wrote to memory of 3276	4528	wjfIhu.exe	88
PID 4528 wrote to memory of 3276	4528	wjfIhu.exe	88
PID 4528 wrote to memory of 3276	4528	wjfIhu.exe	88

C:\Users\Admin\AppData\Local\Temp\de4ee4290ec899096746faef1c6a67693648d1a2636a05a94ef1198153667a37N.exe
"C:\Users\Admin\AppData\Local\Temp\de4ee4290ec899096746faef1c6a67693648d1a2636a05a94ef1198153667a37N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Users\Admin\AppData\Local\Temp\wjfIhu.exe
  C:\Users\Admin\AppData\Local\Temp\wjfIhu.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:4528
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\29c1579a.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3276

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\2S25UHZ1\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\06060DE3.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\29c1579a.bat

Filesize
187B

MD5
f5dd91d863f1b1e7f890b29dde1e32cd

SHA1
26f5b6bc8bb2593faafc33eaeaac46625ec2ff57

SHA256
0fcd2408896833406fc516fbab017c40a6b075910ae380b018ff18e0c61aba4f

SHA512
5d125ea90813c96dc2b1a25e08ae5b63c31399e42475002ceadca9a9bd7c15aa6c286c627a73373d59d9a6bf39f938ce50412798b78f43241504310e7703922a

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2888-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2888-48-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2888-49-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4528-4-0x0000000000C50000-0x0000000000C59000-memory.dmp

Filesize
36KB

Download
memory/4528-46-0x0000000000C50000-0x0000000000C59000-memory.dmp

Filesize
36KB

Download