bdaejec | 9b1fe801ba9b3937b776d0852b354a102bc2884cfe18f6fba0945c8d82debab3

General

Target

9b1fe801ba9b3937b776d0852b354a102bc2884cfe18f6fba0945c8d82debab3.exe
Size

31KB
MD5

159ba9871b1794e3b6697f7f5e83636a
SHA1

84120448e40765f6767194c2eab5a56e69dbc9f8
SHA256

9b1fe801ba9b3937b776d0852b354a102bc2884cfe18f6fba0945c8d82debab3
SHA512

92a44e9938ede9370348ebb76e7079595da28776d602c00320856b919cc3bd6430dc565d53e16077b52e610f0c51d3246de3677a4a12f3ebe358f62f52fbbf92
SSDEEP

768:uWQ3655Kv1X/qY1MSd4cQGPL4vzZq2o9W7GsxBbPr:uHqaNrFd4/GCq2iW7z

Score

10^/10

bdaejec aspackv2 backdoor discovery

Malware Config

Extracted

Family

bdaejec

C2

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++.

Processes:

resource	yara_rule
behavioral2/memory/4580-47-0x0000000000E00000-0x0000000000E09000-memory.dmp	family_bdaejec_backdoor

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\bAFoXQ.exe	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

Processes:

bAFoXQ.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation bAFoXQ.exe
Executes dropped EXE 1 IoCs

Processes:

bAFoXQ.exe

pid process

4580 bAFoXQ.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	bAFoXQ.exe

pid	process
4580	bAFoXQ.exe

Drops file in Program Files directory 64 IoCs

Processes:

bAFoXQ.exe

description	ioc	process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	bAFoXQ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	bAFoXQ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	bAFoXQ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	bAFoXQ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	bAFoXQ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	bAFoXQ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	bAFoXQ.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	bAFoXQ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	bAFoXQ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	bAFoXQ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	bAFoXQ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	bAFoXQ.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	bAFoXQ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	bAFoXQ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	bAFoXQ.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	bAFoXQ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	bAFoXQ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	bAFoXQ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	bAFoXQ.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

Processes:

9b1fe801ba9b3937b776d0852b354a102bc2884cfe18f6fba0945c8d82debab3.exebAFoXQ.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9b1fe801ba9b3937b776d0852b354a102bc2884cfe18f6fba0945c8d82debab3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bAFoXQ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9b1fe801ba9b3937b776d0852b354a102bc2884cfe18f6fba0945c8d82debab3.exebAFoXQ.exe

description	pid	process	target process
PID 2128 wrote to memory of 4580	2128	9b1fe801ba9b3937b776d0852b354a102bc2884cfe18f6fba0945c8d82debab3.exe	bAFoXQ.exe
PID 2128 wrote to memory of 4580	2128	9b1fe801ba9b3937b776d0852b354a102bc2884cfe18f6fba0945c8d82debab3.exe	bAFoXQ.exe
PID 2128 wrote to memory of 4580	2128	9b1fe801ba9b3937b776d0852b354a102bc2884cfe18f6fba0945c8d82debab3.exe	bAFoXQ.exe
PID 4580 wrote to memory of 1800	4580	bAFoXQ.exe	cmd.exe
PID 4580 wrote to memory of 1800	4580	bAFoXQ.exe	cmd.exe
PID 4580 wrote to memory of 1800	4580	bAFoXQ.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\9b1fe801ba9b3937b776d0852b354a102bc2884cfe18f6fba0945c8d82debab3.exe
"C:\Users\Admin\AppData\Local\Temp\9b1fe801ba9b3937b776d0852b354a102bc2884cfe18f6fba0945c8d82debab3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2128

C:\Users\Admin\AppData\Local\Temp\bAFoXQ.exe
C:\Users\Admin\AppData\Local\Temp\bAFoXQ.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:4580

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\01735e5b.bat" "
3⤵
- System Location Discovery: System Language Discovery
PID:1800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\01735e5b.bat

Filesize
187B

MD5
853aa4d863a86980173359aa34d05c12

SHA1
0754f005532a70763f64ff448704bb6e351b0762

SHA256
806aa69fd606bd3e8ea598b7e305ca1f7506e6e2d043cf6d9f134317d15ebf01

SHA512
b1c2f2453a38c3524026aad81756874d05cfc6de0c28d5220fa6665fda0c5043142142dc692e3d5d31af02e309a5ae34d28161d0f428aea1c5c3cfecb26ea2f3

Download Submit
C:\Users\Admin\AppData\Local\Temp\57955047.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2128-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2128-49-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2128-50-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4580-4-0x0000000000E00000-0x0000000000E09000-memory.dmp

Filesize
36KB

Download
memory/4580-47-0x0000000000E00000-0x0000000000E09000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads