bdaejec | bf12579f8f259fde61da9c6320112c87563726311a7f48fe83a1d0f10d95b0f6

General

Target

2024-11-16_ee84172299ce2f36225947daeb820624_bkransomware_karagany_wapomi.exe
Size

98KB
MD5

ee84172299ce2f36225947daeb820624
SHA1

ad5c049b13d078464e7a6b9427e1edbbe83873bb
SHA256

bf12579f8f259fde61da9c6320112c87563726311a7f48fe83a1d0f10d95b0f6
SHA512

f7aeeb24d7ee0d86e72fd4a6566fa1d0dd5d47e0ac490149649ed5ee834d9c816a23d06bc6b125a128de8926336932ac784b62c46b990fc293a0e77324ca1c4e
SSDEEP

1536:xlbzRLkKWDmJJifu5IksCt5IKygvQPcCsWjcdSXc+5GCq2iW7z:xxFqyRmksCRykQ4SDGCH

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/4512-47-0x0000000000340000-0x0000000000349000-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\ewiupu.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:

ewiupu.exe

description ioc process

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

Processes:

ewiupu.exe

pid process

4512 ewiupu.exe

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

pid	process
4512	ewiupu.exe

Drops file in Program Files directory 64 IoCs

Processes:

ewiupu.exe

description	ioc	process
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	ewiupu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	ewiupu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	ewiupu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	ewiupu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe	ewiupu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	ewiupu.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	ewiupu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	ewiupu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	ewiupu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	ewiupu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	ewiupu.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	ewiupu.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	ewiupu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	ewiupu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	ewiupu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	ewiupu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	ewiupu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	ewiupu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	ewiupu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe	ewiupu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	ewiupu.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	ewiupu.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	ewiupu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	ewiupu.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	ewiupu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	ewiupu.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	ewiupu.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	ewiupu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	ewiupu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	ewiupu.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	ewiupu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	ewiupu.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	ewiupu.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	ewiupu.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	ewiupu.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	ewiupu.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	ewiupu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	ewiupu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	ewiupu.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	ewiupu.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	ewiupu.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	ewiupu.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	ewiupu.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	ewiupu.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:

2024-11-16_ee84172299ce2f36225947daeb820624_bkransomware_karagany_wapomi.exeewiupu.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-16_ee84172299ce2f36225947daeb820624_bkransomware_karagany_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ewiupu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2024-11-16_ee84172299ce2f36225947daeb820624_bkransomware_karagany_wapomi.exeewiupu.exe

description	pid	process	target process
PID 964 wrote to memory of 4512	964	2024-11-16_ee84172299ce2f36225947daeb820624_bkransomware_karagany_wapomi.exe	ewiupu.exe
PID 964 wrote to memory of 4512	964	2024-11-16_ee84172299ce2f36225947daeb820624_bkransomware_karagany_wapomi.exe	ewiupu.exe
PID 964 wrote to memory of 4512	964	2024-11-16_ee84172299ce2f36225947daeb820624_bkransomware_karagany_wapomi.exe	ewiupu.exe
PID 4512 wrote to memory of 2564	4512	ewiupu.exe	cmd.exe
PID 4512 wrote to memory of 2564	4512	ewiupu.exe	cmd.exe
PID 4512 wrote to memory of 2564	4512	ewiupu.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-16_ee84172299ce2f36225947daeb820624_bkransomware_karagany_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-16_ee84172299ce2f36225947daeb820624_bkransomware_karagany_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:964
- C:\Users\Admin\AppData\Local\Temp\ewiupu.exe
  C:\Users\Admin\AppData\Local\Temp\ewiupu.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:4512
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\283b60ec.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2564

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\Temp\283b60ec.bat

Filesize
187B

MD5
f8821de542803b102148b0bcb729b6b0

SHA1
e82e04b0295ec00e441700b36588b8d8d88d87e7

SHA256
7b6b8596c2fbf0dcb80217bad4624663496dd6a0652408db6509ea2ea62fd2c8

SHA512
4c4e30d8c2a8f4703f14a2a9db7cb822f87316d05f2f94e0a72e1b57c67b989dfbed6bab69d1799b86594cba4f8395d55b0d1b4075464a99e2de33a7b8a0fbc8

Download Submit
C:\Users\Admin\AppData\Local\Temp\4B7D5338.exe

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\4B7D5338.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/964-0-0x0000000000020000-0x000000000003F000-memory.dmp

Filesize
124KB

Download
memory/964-6-0x0000000000020000-0x000000000003F000-memory.dmp

Filesize
124KB

Download
memory/4512-4-0x0000000000340000-0x0000000000349000-memory.dmp

Filesize
36KB

Download
memory/4512-47-0x0000000000340000-0x0000000000349000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads