bdaejec | 6ad5219093de572edbbaac89ed03c443356f854d14b995f386c1adec32277989

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 06:09

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General

Target

6ad5219093de572edbbaac89ed03c443356f854d14b995f386c1adec32277989.exe
Size

1.8MB
MD5

1a19f7c2912ddae73b162c0fecdec3d6
SHA1

a83f45d9e6f8fa8a30ba73fab56e115b4dc16249
SHA256

6ad5219093de572edbbaac89ed03c443356f854d14b995f386c1adec32277989
SHA512

3f1ac04a2b43335c4c6b4f2393c154b76aeb0a5b576a635814b02e7148a8799ddc90c73c8a75b890e889e51552a0e8aa507e176e46bb5981e50e79b961d5db17
SSDEEP

49152:V9UAxBrFrrDgPSso9hgLoGRhPhVLm1Rs3AySUIlqI4ZvgNpxX:D5so9jChPhVLm1dySUSqlZva

Score

10^/10

bdaejec aspackv2 backdoor discovery upx

Malware Config

Signatures

Bdaejec
Bdaejec is a backdoor written in C++.
backdoor bdaejec

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/4356-45-0x00000000008C0000-0x00000000008C9000-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/0x000a0000000234c7-3.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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	lUO.exe

Executes dropped EXE 1 IoCs

pid	Process
4356	lUO.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3096-0-0x0000000000400000-0x0000000000971000-memory.dmp	upx
behavioral2/memory/3096-47-0x0000000000400000-0x0000000000971000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	lUO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	lUO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe	lUO.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	lUO.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe	lUO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	lUO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	lUO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	lUO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	lUO.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	lUO.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	lUO.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	lUO.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	lUO.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	lUO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	lUO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	lUO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	lUO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	lUO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	lUO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	lUO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	lUO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	lUO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	lUO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	lUO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	lUO.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	lUO.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	lUO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	lUO.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	lUO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	lUO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	lUO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	lUO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	lUO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	lUO.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	lUO.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	lUO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	lUO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	lUO.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	lUO.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	lUO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	lUO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	lUO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe	lUO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	lUO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	lUO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	lUO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	lUO.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	lUO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	lUO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	lUO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	lUO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	lUO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	lUO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	lUO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	lUO.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	lUO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	lUO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	lUO.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	lUO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	lUO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	lUO.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	lUO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	lUO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	lUO.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	lUO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ad5219093de572edbbaac89ed03c443356f854d14b995f386c1adec32277989.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3096	6ad5219093de572edbbaac89ed03c443356f854d14b995f386c1adec32277989.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3096	6ad5219093de572edbbaac89ed03c443356f854d14b995f386c1adec32277989.exe
3096	6ad5219093de572edbbaac89ed03c443356f854d14b995f386c1adec32277989.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3096 wrote to memory of 4356	3096	6ad5219093de572edbbaac89ed03c443356f854d14b995f386c1adec32277989.exe	82
PID 3096 wrote to memory of 4356	3096	6ad5219093de572edbbaac89ed03c443356f854d14b995f386c1adec32277989.exe	82
PID 3096 wrote to memory of 4356	3096	6ad5219093de572edbbaac89ed03c443356f854d14b995f386c1adec32277989.exe	82
PID 4356 wrote to memory of 1604	4356	lUO.exe	87
PID 4356 wrote to memory of 1604	4356	lUO.exe	87
PID 4356 wrote to memory of 1604	4356	lUO.exe	87

C:\Users\Admin\AppData\Local\Temp\6ad5219093de572edbbaac89ed03c443356f854d14b995f386c1adec32277989.exe
"C:\Users\Admin\AppData\Local\Temp\6ad5219093de572edbbaac89ed03c443356f854d14b995f386c1adec32277989.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3096
- C:\Users\Admin\AppData\Local\Temp\lUO.exe
  C:\Users\Admin\AppData\Local\Temp\lUO.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:4356
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0bec567e.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1604

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\4329235D\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0bec567e.bat

Filesize
181B

MD5
6c7690fd1174df022aaf647dcc39ab1b

SHA1
83d6556c902d0aa0953a88d4a52826cd63c4ec01

SHA256
e20df325491dc34ab32b81b156b883f9386b28e747b0b3c554fa3e396fd77303

SHA512
bdd555aadc95c2cb1a97884b5cec168803a4d13c0898bba2de08812ef63174e405b34389b123d40507de479d8b13a775e5884d50f84b4b5c7f9b45f3e1870169

Download Submit
C:\Users\Admin\AppData\Local\Temp\2A9E2882.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3096-0-0x0000000000400000-0x0000000000971000-memory.dmp

Filesize
5.4MB

Download
memory/3096-47-0x0000000000400000-0x0000000000971000-memory.dmp

Filesize
5.4MB

Download
memory/4356-5-0x00000000008C0000-0x00000000008C9000-memory.dmp

Filesize
36KB

Download
memory/4356-45-0x00000000008C0000-0x00000000008C9000-memory.dmp

Filesize
36KB

Download