bdaejec | 933cf7f1f81b9d113fe81a86e4827b4bdf1f24bdfc0bcd6ef94beb9b33b77d76

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-09-2024 20:23

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General

Target

2024-09-07_40951a2184cd6b372d3720e77455f228_bkransomware_wapomi.exe
Size

168KB
MD5

40951a2184cd6b372d3720e77455f228
SHA1

8b040a41be661356d6fc16a90b57928f6088a038
SHA256

933cf7f1f81b9d113fe81a86e4827b4bdf1f24bdfc0bcd6ef94beb9b33b77d76
SHA512

2d53b5c3cfabbaf6be0f1043fc16f84a9d79783f86d0bd13d2f3ac6d6a21a0466271ea6f77ef24445038a3b8412b360cda09372b5716e7669952a5e24bf81feb
SSDEEP

1536:W6fZO3jpPdcwLF5zrfQ2erSaMrb4W5QTq9gQf+PcQdqbmsWjcdrnYNY1lme4OtBE:WIe7RUwFrbsa+74bJzYNY1kGB+P/GCH

Score

10^/10

bdaejec aspackv2 backdoor discovery

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/4876-39-0x00000000007B0000-0x00000000007B9000-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/0x0009000000023414-3.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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	hlUqcE.exe

Executes dropped EXE 1 IoCs

pid	Process
4876	hlUqcE.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	hlUqcE.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	hlUqcE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	hlUqcE.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	hlUqcE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	hlUqcE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	hlUqcE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	hlUqcE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	hlUqcE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	hlUqcE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	hlUqcE.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	hlUqcE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	hlUqcE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	hlUqcE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	hlUqcE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	hlUqcE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	hlUqcE.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	2024-09-07_40951a2184cd6b372d3720e77455f228_bkransomware_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hlUqcE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 4876	4816	2024-09-07_40951a2184cd6b372d3720e77455f228_bkransomware_wapomi.exe	83
PID 4816 wrote to memory of 4876	4816	2024-09-07_40951a2184cd6b372d3720e77455f228_bkransomware_wapomi.exe	83
PID 4816 wrote to memory of 4876	4816	2024-09-07_40951a2184cd6b372d3720e77455f228_bkransomware_wapomi.exe	83
PID 4876 wrote to memory of 4744	4876	hlUqcE.exe	88
PID 4876 wrote to memory of 4744	4876	hlUqcE.exe	88
PID 4876 wrote to memory of 4744	4876	hlUqcE.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-09-07_40951a2184cd6b372d3720e77455f228_bkransomware_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_40951a2184cd6b372d3720e77455f228_bkransomware_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4816
- C:\Users\Admin\AppData\Local\Temp\hlUqcE.exe
  C:\Users\Admin\AppData\Local\Temp\hlUqcE.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:4876
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7ff9213d.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4744

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\NUB8HZ4Z\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\53697934.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ff9213d.bat

Filesize
187B

MD5
8fc97d9416fb28a96de3a70c33302cfd

SHA1
23dacdf4c06733284dfcabe9f1aeecfcdeaaabb7

SHA256
a78fc08f94a3973bc563ea3da0f51b0d03dc5d3734ebaea39856847f0309ff0c

SHA512
f8efd65d8a4a2301189f19c3b6d1135a05797130cc10e96106cfae6afb0f7222bc2d753583a326a3cc884c2378ce6758baf4a859782634c237a35b697eae86c3

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/4816-0-0x00000000006E0000-0x0000000000711000-memory.dmp

Filesize
196KB

Download
memory/4816-35-0x00000000006E0000-0x0000000000711000-memory.dmp

Filesize
196KB

Download
memory/4876-4-0x00000000007B0000-0x00000000007B9000-memory.dmp

Filesize
36KB

Download
memory/4876-39-0x00000000007B0000-0x00000000007B9000-memory.dmp

Filesize
36KB

Download