bdaejec | c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c

Analysis

max time kernel
140s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/12/2024, 10:13

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General

Target

c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe
Size

671KB
MD5

84c267e998d6f0f1f629d4648ec5e01f
SHA1

f272039a615539da36c874a2f014a07671ebc06a
SHA256

c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c
SHA512

90af184d608819210711237f4fe17ed5203a7df1d705eabdb5083ceb2f323c72b72b3defcd764a3f7cc213fb001da471237e6926aa5a4906a63fad8b295bba45
SSDEEP

12288:o0gZ0eZUJjYucy1yxwIchIgZIFwdPisZWRYzc4TSZYNKCOX72oS:YuRjYup1jhIg4wQ4coJNqr

Score

10^/10

bdaejec blackmoon aspackv2 backdoor banker discovery trojan

Malware Config

Extracted

Family

bdaejec

ddos.dnsnb8.net

Signatures

Bdaejec
Bdaejec is a backdoor written in C++.
backdoor bdaejec
Bdaejec family
bdaejec
Blackmoon family
blackmoon
Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
trojan banker blackmoon

Detect Blackmoon payload 1 IoCs

resource	yara_rule
behavioral2/memory/3784-48-0x0000000000400000-0x00000000006E0000-memory.dmp	family_blackmoon

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/3184-46-0x0000000000050000-0x0000000000059000-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/0x000b000000023b5f-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	NUcbFz.exe

Executes dropped EXE 1 IoCs

pid	Process
3184	NUcbFz.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\pack200.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	NUcbFz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	NUcbFz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	NUcbFz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	NUcbFz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	NUcbFz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	NUcbFz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	NUcbFz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	NUcbFz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	NUcbFz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	NUcbFz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	NUcbFz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	NUcbFz.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	NUcbFz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	NUcbFz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	NUcbFz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	NUcbFz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	NUcbFz.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	NUcbFz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	NUcbFz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	NUcbFz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	NUcbFz.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	NUcbFz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	NUcbFz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	NUcbFz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	NUcbFz.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	c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NUcbFz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3784	c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3784 wrote to memory of 3184	3784	c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe	83
PID 3784 wrote to memory of 3184	3784	c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe	83
PID 3784 wrote to memory of 3184	3784	c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe	83
PID 3184 wrote to memory of 3608	3184	NUcbFz.exe	84
PID 3184 wrote to memory of 3608	3184	NUcbFz.exe	84
PID 3184 wrote to memory of 3608	3184	NUcbFz.exe	84

C:\Users\Admin\AppData\Local\Temp\c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe
"C:\Users\Admin\AppData\Local\Temp\c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3784
- C:\Users\Admin\AppData\Local\Temp\NUcbFz.exe
  C:\Users\Admin\AppData\Local\Temp\NUcbFz.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:3184
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3d9f2ce4.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3608

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\8R55UT9S\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\20855B93.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\3d9f2ce4.bat

Filesize
187B

MD5
5d310450e9d974650ded41fb245be905

SHA1
d7c32fff100252fdd7d849bf40f632005efc4bfb

SHA256
060be15ae8a9c08844396fb0bd92ecfde9237fcde6f1f40f5de901d9da016ca6

SHA512
ca3975cdafbdff38f0901525aa4310458e30bcbf4738bf08c543c2aca763181a2b7cfaa12329c8744e4008fe09b1fe22bb717204cdd7af75150340b189a66d18

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3184-5-0x0000000000050000-0x0000000000059000-memory.dmp

Filesize
36KB

Download
memory/3184-46-0x0000000000050000-0x0000000000059000-memory.dmp

Filesize
36KB

Download
memory/3784-0-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3784-48-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download