bdaejec | 986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a

General

Target

986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a.exe
Size

1.7MB
MD5

36b7c227dc3c628140af9b243ae11234
SHA1

324b0c88bee438b60b6df29d800207446f28ac21
SHA256

986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a
SHA512

3acc6c87cfc610ac93c6ba0b54e340e27d5d87fe9dc0dcaa6fb64c5530fc399c124e83c50aeae6f72b790ead31022b5c1863c1f49e476daa52977ff314c95124
SSDEEP

49152:ob95oohZXtemBiR8qfqlQ+oqPxGFFmbn:W5ooXXtemkslQvFEz

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/1272-56-0x0000000000B10000-0x0000000000B19000-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\DJmBwz.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:

DJmBwz.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation DJmBwz.exe
Executes dropped EXE 1 IoCs

Processes:

DJmBwz.exe

pid process

1272 DJmBwz.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	DJmBwz.exe

pid	process
1272	DJmBwz.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a.exe

pid	process
4624	986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a.exe
4624	986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a.exe

Drops file in Program Files directory 64 IoCs

Processes:

DJmBwz.exe

description	ioc	process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	DJmBwz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	DJmBwz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	DJmBwz.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	DJmBwz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	DJmBwz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	DJmBwz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	DJmBwz.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	DJmBwz.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	DJmBwz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	DJmBwz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	DJmBwz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	DJmBwz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	DJmBwz.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	DJmBwz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	DJmBwz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	DJmBwz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	DJmBwz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	DJmBwz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	DJmBwz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	DJmBwz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{87F23B05-A117-4666-BB8C-A9C77E6BFB56}\chrome_installer.exe	DJmBwz.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	DJmBwz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	DJmBwz.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	DJmBwz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	DJmBwz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	DJmBwz.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	DJmBwz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	DJmBwz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	DJmBwz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	DJmBwz.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	DJmBwz.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	DJmBwz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	DJmBwz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	DJmBwz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	DJmBwz.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

940 4624 WerFault.exe 986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a.exe

pid	pid_target	process	target process
940	4624	WerFault.exe	986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a.exe

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:

986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a.exeDJmBwz.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DJmBwz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a.exe

pid process

4624 986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a.exeDJmBwz.exe

description	pid	process	target process
PID 4624 wrote to memory of 1272	4624	986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a.exe	DJmBwz.exe
PID 4624 wrote to memory of 1272	4624	986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a.exe	DJmBwz.exe
PID 4624 wrote to memory of 1272	4624	986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a.exe	DJmBwz.exe
PID 1272 wrote to memory of 468	1272	DJmBwz.exe	cmd.exe
PID 1272 wrote to memory of 468	1272	DJmBwz.exe	cmd.exe
PID 1272 wrote to memory of 468	1272	DJmBwz.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a.exe
"C:\Users\Admin\AppData\Local\Temp\986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4624
- C:\Users\Admin\AppData\Local\Temp\DJmBwz.exe
  C:\Users\Admin\AppData\Local\Temp\DJmBwz.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:1272
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6aad4636.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:468
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 1488
  2⤵
  - Program crash
  PID:940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4624 -ip 4624
1⤵
PID:3824

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\P2UT3MS5\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\32D076C5.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\6aad4636.bat

Filesize
187B

MD5
589fdc8d1c4e175d8ca7c1c0f85ac831

SHA1
1cb42d4018f68aa50b7ab711dd5a65a4553a7ad3

SHA256
eda41e0ad738d203b0fd99a9f999c39493c7338510d7d2e5541e269bd1ba1e4c

SHA512
172e45e3f66d7903e35ef4f2459eaa3c66d8037640d1e22d5b804da74e8399ebb4406356c54a29f642a55b94b5c9be8f78fe8ce4af799b5d73ad8ef1c3c14985

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1272-5-0x0000000000B10000-0x0000000000B19000-memory.dmp

Filesize
36KB

Download
memory/1272-56-0x0000000000B10000-0x0000000000B19000-memory.dmp

Filesize
36KB

Download
memory/4624-8-0x0000000000E70000-0x000000000132C000-memory.dmp

Filesize
4.7MB

Download
memory/4624-18-0x0000000005940000-0x00000000059D2000-memory.dmp

Filesize
584KB

Download
memory/4624-17-0x0000000005E50000-0x00000000063F4000-memory.dmp

Filesize
5.6MB

Download
memory/4624-15-0x0000000005800000-0x000000000589C000-memory.dmp

Filesize
624KB

Download
memory/4624-26-0x00000000057C0000-0x00000000057CA000-memory.dmp

Filesize
40KB

Download
memory/4624-33-0x00000000059E0000-0x0000000005A36000-memory.dmp

Filesize
344KB

Download
memory/4624-35-0x0000000073C60000-0x0000000074410000-memory.dmp

Filesize
7.7MB

Download
memory/4624-52-0x0000000073C60000-0x0000000074410000-memory.dmp

Filesize
7.7MB

Download
memory/4624-0-0x0000000000E70000-0x000000000132C000-memory.dmp

Filesize
4.7MB

Download
memory/4624-7-0x0000000073C6E000-0x0000000073C6F000-memory.dmp

Filesize
4KB

Download
memory/4624-59-0x0000000000E70000-0x000000000132C000-memory.dmp

Filesize
4.7MB

Download
memory/4624-60-0x0000000073C60000-0x0000000074410000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads