bdaejec | 7607d43f38c9e61f1f9c531298f6b4d65ca0d6cf0c531ccf136ce4e849c38183

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 18:35

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General

Target

2024-11-20_f13753cef37b0d49eb0d82307a642fe3_bkransomware_wapomi.exe
Size

215KB
MD5

f13753cef37b0d49eb0d82307a642fe3
SHA1

76062b1870e19746ac737cad8462187110740a49
SHA256

7607d43f38c9e61f1f9c531298f6b4d65ca0d6cf0c531ccf136ce4e849c38183
SHA512

e765e87adac7f864affa55ffc532873b56cfccea9e2adfe443d4892a93629375e574f9ffcde05eb0481a451c53ef62411149846f3b9f905f2ac0044678cd4553
SSDEEP

3072:J666SmGgfYMSLpt690G4EHI8FeqvrvuSUdyfQHoAb3MVD+Q3KDGCH:J2SSI60GhHvjv1Q83K6

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. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral1/memory/2564-37-0x0000000000DA0000-0x0000000000DA9000-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/0x000700000001211a-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2564	YLiaJG.exe

Loads dropped DLL 2 IoCs

pid	Process
2788	2024-11-20_f13753cef37b0d49eb0d82307a642fe3_bkransomware_wapomi.exe
2788	2024-11-20_f13753cef37b0d49eb0d82307a642fe3_bkransomware_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	YLiaJG.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	YLiaJG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	YLiaJG.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	YLiaJG.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	YLiaJG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	YLiaJG.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	YLiaJG.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	YLiaJG.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	YLiaJG.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	YLiaJG.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	YLiaJG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	YLiaJG.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	YLiaJG.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	YLiaJG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	YLiaJG.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	YLiaJG.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	YLiaJG.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	YLiaJG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	YLiaJG.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	YLiaJG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	YLiaJG.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	YLiaJG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	YLiaJG.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	YLiaJG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	YLiaJG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	YLiaJG.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	YLiaJG.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	2024-11-20_f13753cef37b0d49eb0d82307a642fe3_bkransomware_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	YLiaJG.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 2564	2788	2024-11-20_f13753cef37b0d49eb0d82307a642fe3_bkransomware_wapomi.exe	31
PID 2788 wrote to memory of 2564	2788	2024-11-20_f13753cef37b0d49eb0d82307a642fe3_bkransomware_wapomi.exe	31
PID 2788 wrote to memory of 2564	2788	2024-11-20_f13753cef37b0d49eb0d82307a642fe3_bkransomware_wapomi.exe	31
PID 2788 wrote to memory of 2564	2788	2024-11-20_f13753cef37b0d49eb0d82307a642fe3_bkransomware_wapomi.exe	31
PID 2564 wrote to memory of 1956	2564	YLiaJG.exe	33
PID 2564 wrote to memory of 1956	2564	YLiaJG.exe	33
PID 2564 wrote to memory of 1956	2564	YLiaJG.exe	33
PID 2564 wrote to memory of 1956	2564	YLiaJG.exe	33

C:\Users\Admin\AppData\Local\Temp\2024-11-20_f13753cef37b0d49eb0d82307a642fe3_bkransomware_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_f13753cef37b0d49eb0d82307a642fe3_bkransomware_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Users\Admin\AppData\Local\Temp\YLiaJG.exe
  C:\Users\Admin\AppData\Local\Temp\YLiaJG.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2564
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\1d8219ae.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1956

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\0I0VVMWQ\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\1d8219ae.bat

Filesize
187B

MD5
b24404dbb1cb7bc747a6b30ed3ba349e

SHA1
48aa58b1ea2898033e1c48e3dcffde3030d76980

SHA256
85227e4b955fc2d33b4cc97a556b9516b7e1fa1feec6a96b54abe1a8929dd65c

SHA512
5fa0778f3ceec262b48f4d3afa88a076ec93408c604e5f819d56a2e456d74789aae77b15151ea433b9897b9da85232f43b403d029b80897de3fbec378d1d0518

Download Submit
C:\Users\Admin\AppData\Local\Temp\3271485D.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2564-11-0x0000000000DA0000-0x0000000000DA9000-memory.dmp

Filesize
36KB

Download
memory/2564-37-0x0000000000DA0000-0x0000000000DA9000-memory.dmp

Filesize
36KB

Download
memory/2788-0-0x0000000001160000-0x000000000119C000-memory.dmp

Filesize
240KB

Download
memory/2788-12-0x0000000001160000-0x000000000119C000-memory.dmp

Filesize
240KB

Download
memory/2788-10-0x0000000000DA0000-0x0000000000DA9000-memory.dmp

Filesize
36KB

Download
memory/2788-9-0x0000000000DA0000-0x0000000000DA9000-memory.dmp

Filesize
36KB

Download