bdaejec | 973a408c30ae29f27061effbfdb0c32b64f00929df0d17ae87682b18f713319c

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

C2

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++.

Processes:

resource	yara_rule
behavioral1/memory/2916-53-0x0000000000FA0000-0x0000000000FA9000-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
\Users\Admin\AppData\Local\Temp\HCehyU.exe	aspack_v212_v242

Executes dropped EXE 1 IoCs

Processes:

HCehyU.exe

pid process

2916 HCehyU.exe

pid	process
2916	HCehyU.exe

Loads dropped DLL 2 IoCs

Processes:

2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe

pid	process
2868	2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe
2868	2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe

Drops file in Program Files directory 64 IoCs

Processes:

HCehyU.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.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\1.3.36.151\GoogleUpdateSetup.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	HCehyU.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	HCehyU.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	HCehyU.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	HCehyU.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	HCehyU.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	HCehyU.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	HCehyU.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	HCehyU.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	HCehyU.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	HCehyU.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	HCehyU.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	HCehyU.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	HCehyU.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.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

Processes:

2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exeHCehyU.execmd.exe

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 8 IoCs

Processes:

2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exeHCehyU.exe

description	pid	process	target process
PID 2868 wrote to memory of 2916	2868	2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe	HCehyU.exe
PID 2868 wrote to memory of 2916	2868	2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe	HCehyU.exe
PID 2868 wrote to memory of 2916	2868	2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe	HCehyU.exe
PID 2868 wrote to memory of 2916	2868	2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe	HCehyU.exe
PID 2916 wrote to memory of 1248	2916	HCehyU.exe	cmd.exe
PID 2916 wrote to memory of 1248	2916	HCehyU.exe	cmd.exe
PID 2916 wrote to memory of 1248	2916	HCehyU.exe	cmd.exe
PID 2916 wrote to memory of 1248	2916	HCehyU.exe	cmd.exe

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⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Users\Admin\AppData\Local\Temp\HCehyU.exe
  C:\Users\Admin\AppData\Local\Temp\HCehyU.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2916
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\305f7a2e.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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\Temporary Internet Files\Content.IE5\K0PVW9XR\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\2B101829.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\305f7a2e.bat

Filesize
187B

MD5
da02a310ac7f0b98e620e41c3241e5cb

SHA1
31f079dc836aa8640492c826c1faeb7d1c0735e5

SHA256
12e50718edc6d1f333f1d6cd34d78322f05204c5372b4a43940b405caf860e7b

SHA512
e838a14666f1d1fb00da2eb47de28213cc0f78507ac4e79be07863e4d75c3389d0e1b293682f4cde3bf29a0f703d4a7f86b6e658c7735c118eefb822cd30de38

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2868-0-0x0000000000E80000-0x0000000000EB1000-memory.dmp

Filesize
196KB

Download
memory/2868-4-0x0000000000FA0000-0x0000000000FA9000-memory.dmp

Filesize
36KB

Download
memory/2868-9-0x0000000000FA0000-0x0000000000FA9000-memory.dmp

Filesize
36KB

Download
memory/2868-55-0x0000000000E80000-0x0000000000EB1000-memory.dmp

Filesize
196KB

Download
memory/2916-53-0x0000000000FA0000-0x0000000000FA9000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads