bdaejec | 973a408c30ae29f27061effbfdb0c32b64f00929df0d17ae87682b18f713319c

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-10-2024 20:39

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General

Target

2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe
Size

168KB
MD5

c818478c68b8685c2285e500d20fbe0f
SHA1

8b49da4b33ae5369f4171b97a4e0e8aef55df09b
SHA256

973a408c30ae29f27061effbfdb0c32b64f00929df0d17ae87682b18f713319c
SHA512

54715932d7943c17572b05dd990e31095a1ffde6bfc5cae249eff31a088bdc76183b2e4b9f26f5e28c62b84de95b289d2ff35617df52a3031d3db2c81230dfb7
SSDEEP

1536:W6fZO3jpPdcwLF5zrfQ2erSaMrb4W5QTq9gQf+PcQdqbmsWjcdrnYNY1lme4OtB2:WIe7RUwFrbsa+74bJzYNY1kGB+PNGCH

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

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/632-46-0x0000000000DA0000-0x0000000000DA9000-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/0x000a000000023c87-3.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	HCehyU.exe

Executes dropped EXE 1 IoCs

pid	Process
632	HCehyU.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	HCehyU.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	HCehyU.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	HCehyU.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	HCehyU.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	HCehyU.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	HCehyU.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	HCehyU.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	HCehyU.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	HCehyU.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	HCehyU.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	HCehyU.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	HCehyU.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	HCehyU.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	HCehyU.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	HCehyU.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	HCehyU.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	2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HCehyU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 632	5080	2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe	84
PID 5080 wrote to memory of 632	5080	2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe	84
PID 5080 wrote to memory of 632	5080	2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe	84
PID 632 wrote to memory of 4988	632	HCehyU.exe	88
PID 632 wrote to memory of 4988	632	HCehyU.exe	88
PID 632 wrote to memory of 4988	632	HCehyU.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5080
- C:\Users\Admin\AppData\Local\Temp\HCehyU.exe
  C:\Users\Admin\AppData\Local\Temp\HCehyU.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:632
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\509532c3.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4988

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\509532c3.bat

Filesize
187B

MD5
c05a4d2654d9102bbea3df7d5ef7cb50

SHA1
17c8687f4bea9030bf0d81515f26bde529e0f43d

SHA256
ffd4f2d3ec625e2198d82208bf567e48858835d0828f98d9b290e63c5bb8ccce

SHA512
53dda606292825897f04a00286ae193024bfaad55d21765aa22144b6849a26bc203dcc8785e33e895e6ef535b65cca9ea4c814fbe6474563a5c0ace4dc07e57c

Download Submit
C:\Users\Admin\AppData\Local\Temp\68FB647F.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/632-4-0x0000000000DA0000-0x0000000000DA9000-memory.dmp

Filesize
36KB

Download
memory/632-46-0x0000000000DA0000-0x0000000000DA9000-memory.dmp

Filesize
36KB

Download
memory/5080-0-0x0000000000040000-0x0000000000071000-memory.dmp

Filesize
196KB

Download
memory/5080-48-0x0000000000040000-0x0000000000071000-memory.dmp

Filesize
196KB

Download