bdaejec | 49d3945f9626e9348fb116175f66119c0063f7864490661c8d21d0fd10927add

Analysis

max time kernel
96s
max time network
97s
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 05:13

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General

Target

49d3945f9626e9348fb116175f66119c0063f7864490661c8d21d0fd10927add.exe
Size

62KB
MD5

6ead21c3a9b1519f2b4d1d64cf904b1f
SHA1

5aa090b95d8a96ad7508f8a7a56a12aa9d51cda4
SHA256

49d3945f9626e9348fb116175f66119c0063f7864490661c8d21d0fd10927add
SHA512

fecdb244f30dd908147c0fae275b8263e4600d14b99836dc3d64c2261ca0d4f36f695ef919fb1b6b8544369fb00a0fbf3f3b98ebe0771c6ac1273d91c55d9d5d
SSDEEP

768:MEcy9908dqax/5FdC72/WkFkwUEihlLBHCnp+KCIvLQGPL4vzZq2o9W7GsxBbPrO:Vcy9Pn/LdnFFlUEulElvsGCq2iW7z6

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/384-46-0x0000000000E30000-0x0000000000E39000-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/0x0018000000023c3e-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	IGUJTV.exe

Executes dropped EXE 1 IoCs

pid	Process
384	IGUJTV.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	IGUJTV.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	IGUJTV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	IGUJTV.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	IGUJTV.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	IGUJTV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	IGUJTV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	IGUJTV.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	IGUJTV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	IGUJTV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	IGUJTV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	IGUJTV.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	IGUJTV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	IGUJTV.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	IGUJTV.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	IGUJTV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	IGUJTV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	IGUJTV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	IGUJTV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	IGUJTV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	IGUJTV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	IGUJTV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	IGUJTV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	IGUJTV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	IGUJTV.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	IGUJTV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	IGUJTV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	IGUJTV.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	IGUJTV.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	IGUJTV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	IGUJTV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	IGUJTV.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	49d3945f9626e9348fb116175f66119c0063f7864490661c8d21d0fd10927add.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IGUJTV.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 572 wrote to memory of 384	572	49d3945f9626e9348fb116175f66119c0063f7864490661c8d21d0fd10927add.exe	83
PID 572 wrote to memory of 384	572	49d3945f9626e9348fb116175f66119c0063f7864490661c8d21d0fd10927add.exe	83
PID 572 wrote to memory of 384	572	49d3945f9626e9348fb116175f66119c0063f7864490661c8d21d0fd10927add.exe	83
PID 384 wrote to memory of 1116	384	IGUJTV.exe	84
PID 384 wrote to memory of 1116	384	IGUJTV.exe	84
PID 384 wrote to memory of 1116	384	IGUJTV.exe	84

C:\Users\Admin\AppData\Local\Temp\49d3945f9626e9348fb116175f66119c0063f7864490661c8d21d0fd10927add.exe
"C:\Users\Admin\AppData\Local\Temp\49d3945f9626e9348fb116175f66119c0063f7864490661c8d21d0fd10927add.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:572
- C:\Users\Admin\AppData\Local\Temp\IGUJTV.exe
  C:\Users\Admin\AppData\Local\Temp\IGUJTV.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:384
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\10cc5ae5.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1116

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\10cc5ae5.bat

Filesize
187B

MD5
8b30ed1ab5024b8261721990c67b25c7

SHA1
71066fc70e0c44d7b04284cedb5a05dd52868672

SHA256
2598e5c57e729c387fc49629fd8356b936fe384fa05390784a8c8bc1f893d152

SHA512
e9d89136e56c9a4c002edcea7afc22fcf8075c3a1a289cb0bd6c5e88be05593577c5087fedf10efc00e7150c4d571e906b19172786c9235798635aa7c40d63ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\62A61868.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/384-4-0x0000000000E30000-0x0000000000E39000-memory.dmp

Filesize
36KB

Download
memory/384-46-0x0000000000E30000-0x0000000000E39000-memory.dmp

Filesize
36KB

Download
memory/572-0-0x0000000000310000-0x0000000000323000-memory.dmp

Filesize
76KB

Download
memory/572-7-0x0000000000310000-0x0000000000323000-memory.dmp

Filesize
76KB

Download