bdaejec | 6f24dee5ae73b3544d6653dc6f7ca9af72dbe84902deec87547d98e6ea81849d

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 18:24

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General

Target

2024-11-20_261f187aebf6c954d53e00b3ea7659b8_bkransomware_wapomi.exe
Size

7.3MB
MD5

261f187aebf6c954d53e00b3ea7659b8
SHA1

a93d1b60e776999213069723769c320eb8926501
SHA256

6f24dee5ae73b3544d6653dc6f7ca9af72dbe84902deec87547d98e6ea81849d
SHA512

5da9bc5d8f9b54c751ec8f0a704431b51426a3e3e753429e759365a1bbda6ece8f15894d163bc0182b2a0bcfc8c33ef478bd69bf2fd22118ad7f00f52137bd0f
SSDEEP

196608:KSxt5g3vWwe9f/3R4Zq4V+3XcJHQvFLOyomFHKnPot:KSxrg3+we9XR4Zq00Flt

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
Bdaejec family
bdaejec

Detects Bdaejec Backdoor. 2 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral1/memory/2312-11-0x0000000000280000-0x0000000000289000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/2312-54-0x0000000000280000-0x0000000000289000-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
behavioral1/files/0x00080000000120f9-8.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2312	yKpyK.exe

Loads dropped DLL 2 IoCs

pid	Process
2532	2024-11-20_261f187aebf6c954d53e00b3ea7659b8_bkransomware_wapomi.exe
2532	2024-11-20_261f187aebf6c954d53e00b3ea7659b8_bkransomware_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	yKpyK.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	yKpyK.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	yKpyK.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	yKpyK.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	yKpyK.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	yKpyK.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	yKpyK.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	yKpyK.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	yKpyK.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	yKpyK.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	yKpyK.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	yKpyK.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	yKpyK.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	yKpyK.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	yKpyK.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	yKpyK.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	yKpyK.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	yKpyK.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	yKpyK.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	yKpyK.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	yKpyK.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	yKpyK.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	yKpyK.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	yKpyK.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	yKpyK.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	yKpyK.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	yKpyK.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	yKpyK.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	yKpyK.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	yKpyK.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	yKpyK.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	yKpyK.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	yKpyK.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	yKpyK.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	yKpyK.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	yKpyK.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	yKpyK.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	yKpyK.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-20_261f187aebf6c954d53e00b3ea7659b8_bkransomware_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yKpyK.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2532	2024-11-20_261f187aebf6c954d53e00b3ea7659b8_bkransomware_wapomi.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2532	2024-11-20_261f187aebf6c954d53e00b3ea7659b8_bkransomware_wapomi.exe
2532	2024-11-20_261f187aebf6c954d53e00b3ea7659b8_bkransomware_wapomi.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2312	2532	2024-11-20_261f187aebf6c954d53e00b3ea7659b8_bkransomware_wapomi.exe	30
PID 2532 wrote to memory of 2312	2532	2024-11-20_261f187aebf6c954d53e00b3ea7659b8_bkransomware_wapomi.exe	30
PID 2532 wrote to memory of 2312	2532	2024-11-20_261f187aebf6c954d53e00b3ea7659b8_bkransomware_wapomi.exe	30
PID 2532 wrote to memory of 2312	2532	2024-11-20_261f187aebf6c954d53e00b3ea7659b8_bkransomware_wapomi.exe	30
PID 2312 wrote to memory of 1264	2312	yKpyK.exe	32
PID 2312 wrote to memory of 1264	2312	yKpyK.exe	32
PID 2312 wrote to memory of 1264	2312	yKpyK.exe	32
PID 2312 wrote to memory of 1264	2312	yKpyK.exe	32

C:\Users\Admin\AppData\Local\Temp\2024-11-20_261f187aebf6c954d53e00b3ea7659b8_bkransomware_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_261f187aebf6c954d53e00b3ea7659b8_bkransomware_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Users\Admin\AppData\Local\Temp\yKpyK.exe
  C:\Users\Admin\AppData\Local\Temp\yKpyK.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2312
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\760f7299.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\Temporary Internet Files\Content.IE5\1LNUKNV0\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\48746BBF.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\760f7299.bat

Filesize
185B

MD5
9759e2d21a3816e77e4e9d6dfbad4013

SHA1
d02172bd39170f474af554a9ed4f6c12fde51a89

SHA256
c2f880aad8f533dc790b45b16697a896237dd8fbd63c34502a70d476f563d419

SHA512
f012521352f5d45597fcadae6e2efbd93572f4ab0f63063a5f7109afcedea480bf3bfdd30965f26ef883b8c50287e0b0f8726cabf285dfa1a80ee34450008eca

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2312-11-0x0000000000280000-0x0000000000289000-memory.dmp

Filesize
36KB

Download
memory/2312-54-0x0000000000280000-0x0000000000289000-memory.dmp

Filesize
36KB

Download
memory/2532-1-0x00000000013D0000-0x0000000001B31000-memory.dmp

Filesize
7.4MB

Download
memory/2532-12-0x0000000000130000-0x0000000000139000-memory.dmp

Filesize
36KB

Download
memory/2532-10-0x0000000000130000-0x0000000000139000-memory.dmp

Filesize
36KB

Download
memory/2532-56-0x00000000013D0000-0x0000000001B31000-memory.dmp

Filesize
7.4MB

Download
memory/2532-57-0x0000000000130000-0x0000000000139000-memory.dmp

Filesize
36KB

Download