bdaejec | 973a408c30ae29f27061effbfdb0c32b64f00929df0d17ae87682b18f713319c

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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. 2 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral1/memory/2052-12-0x0000000000BF0000-0x0000000000BF9000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/2052-54-0x0000000000BF0000-0x0000000000BF9000-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/0x0007000000012117-4.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2052	HCehyU.exe

Loads dropped DLL 2 IoCs

pid	Process
2272	2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe
2272	2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	HCehyU.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.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\jre7\bin\jabswitch.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 (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	HCehyU.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.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\DVD Maker\DVDMaker.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\bin\jinfo.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.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\tnameserv.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.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 (x86)\Microsoft Office\Office14\MSOHTMED.EXE	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	HCehyU.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	HCehyU.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	HCehyU.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.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)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.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\rmic.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\policytool.exe	HCehyU.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.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\jabswitch.exe	HCehyU.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.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 (x86)\Microsoft Office\Office14\SELFCERT.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 (x86)\Microsoft Office\Office14\WORDICON.EXE	HCehyU.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	HCehyU.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	HCehyU.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	HCehyU.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	HCehyU.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	HCehyU.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	HCehyU.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.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 8 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2052	2272	2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe	30
PID 2272 wrote to memory of 2052	2272	2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe	30
PID 2272 wrote to memory of 2052	2272	2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe	30
PID 2272 wrote to memory of 2052	2272	2024-10-21_c818478c68b8685c2285e500d20fbe0f_bkransomware_wapomi.exe	30
PID 2052 wrote to memory of 2660	2052	HCehyU.exe	33
PID 2052 wrote to memory of 2660	2052	HCehyU.exe	33
PID 2052 wrote to memory of 2660	2052	HCehyU.exe	33
PID 2052 wrote to memory of 2660	2052	HCehyU.exe	33

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:2272
- 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:2052
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\48131ae2.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2660

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\WUBCGJ0A\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\48131ae2.bat

Filesize
187B

MD5
a6d945d8983f4a964a69d644fcb2383e

SHA1
425cc75ac1aea161ee73d3bded5ddf6d1a8543c7

SHA256
43ba486ec8fcac374e86d1777b1b266b1b43ec689b758250cc15c39df5f3ba12

SHA512
686e35876d34e28ca731dc447cc5a68ca241c3f7655707a541bef50ee94b2af600d2d379bcb68b81b8c6fd8401614e08510d08c5c59d0a97bde86fee4474b5be

Download Submit
C:\Users\Admin\AppData\Local\Temp\7AED214F.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2052-12-0x0000000000BF0000-0x0000000000BF9000-memory.dmp

Filesize
36KB

Download
memory/2052-54-0x0000000000BF0000-0x0000000000BF9000-memory.dmp

Filesize
36KB

Download
memory/2272-0-0x0000000000370000-0x00000000003A1000-memory.dmp

Filesize
196KB

Download
memory/2272-11-0x0000000000BF0000-0x0000000000BF9000-memory.dmp

Filesize
36KB

Download
memory/2272-10-0x0000000000BF0000-0x0000000000BF9000-memory.dmp

Filesize
36KB

Download
memory/2272-56-0x0000000000370000-0x00000000003A1000-memory.dmp

Filesize
196KB

Download
memory/2272-57-0x0000000000BF0000-0x0000000000BF9000-memory.dmp

Filesize
36KB

Download