bdaejec | 94f1fed4abeb01ad588211116a88bc32ab700e1a0cfea9c07cd5529d95642a02

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-12-2024 08:39

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General

Target

2024-12-28_9c6f33fdf0e04a2d8e05f214a20ee224_bkransomware_wapomi.exe
Size

215KB
MD5

9c6f33fdf0e04a2d8e05f214a20ee224
SHA1

2ee12fc967b95239dda47ae33ee03146d6e44afe
SHA256

94f1fed4abeb01ad588211116a88bc32ab700e1a0cfea9c07cd5529d95642a02
SHA512

998e186082f8696cd9b4b7178fe68a1411b23de083c3120cc842c9072c6b4ac233e23ff218a8a88d9ba8736716fd789475e61ff56bac51f3b65824f34ffb3676
SSDEEP

3072:R666SmGgfYMSLpt690O4EHIsxeqvrvuSUdybQHoAw3MVDdVY3KOGCH:R2SSI60OhHLjv1nt3Kn

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/2732-11-0x0000000000D70000-0x0000000000D79000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/2732-14-0x0000000000D70000-0x0000000000D79000-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/0x0003000000011c28-8.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2732	trNOBFSZ.exe

Loads dropped DLL 2 IoCs

pid	Process
2676	2024-12-28_9c6f33fdf0e04a2d8e05f214a20ee224_bkransomware_wapomi.exe
2676	2024-12-28_9c6f33fdf0e04a2d8e05f214a20ee224_bkransomware_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	trNOBFSZ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\sidebar.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	trNOBFSZ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	trNOBFSZ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	trNOBFSZ.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	2024-12-28_9c6f33fdf0e04a2d8e05f214a20ee224_bkransomware_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	trNOBFSZ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2732	2676	2024-12-28_9c6f33fdf0e04a2d8e05f214a20ee224_bkransomware_wapomi.exe	31
PID 2676 wrote to memory of 2732	2676	2024-12-28_9c6f33fdf0e04a2d8e05f214a20ee224_bkransomware_wapomi.exe	31
PID 2676 wrote to memory of 2732	2676	2024-12-28_9c6f33fdf0e04a2d8e05f214a20ee224_bkransomware_wapomi.exe	31
PID 2676 wrote to memory of 2732	2676	2024-12-28_9c6f33fdf0e04a2d8e05f214a20ee224_bkransomware_wapomi.exe	31
PID 2732 wrote to memory of 1504	2732	trNOBFSZ.exe	34
PID 2732 wrote to memory of 1504	2732	trNOBFSZ.exe	34
PID 2732 wrote to memory of 1504	2732	trNOBFSZ.exe	34
PID 2732 wrote to memory of 1504	2732	trNOBFSZ.exe	34

C:\Users\Admin\AppData\Local\Temp\2024-12-28_9c6f33fdf0e04a2d8e05f214a20ee224_bkransomware_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-28_9c6f33fdf0e04a2d8e05f214a20ee224_bkransomware_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Users\Admin\AppData\Local\Temp\trNOBFSZ.exe
  C:\Users\Admin\AppData\Local\Temp\trNOBFSZ.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2732
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\1f594ad5.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1504

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\Temp\1f594ad5.bat

Filesize
191B

MD5
fe8c3cf6c90c5ebedef5087757b1210c

SHA1
5b6eb5f54594be3d13a31075d588174f4060606f

SHA256
fbcc6b45821b4be06b54c20bbde93efe5e9cf5dab86854565cbd7760f6ceaa8a

SHA512
c79501f632c7b42ad15f4901fca99b075501130906031910b44273e7fa2325a72d0538ab4f466fe8bf1e984a3b58bfb4a4a322d46c336b628edaea5264be545f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2676-0-0x0000000000B80000-0x0000000000BBC000-memory.dmp

Filesize
240KB

Download
memory/2676-9-0x0000000000B80000-0x0000000000BBC000-memory.dmp

Filesize
240KB

Download
memory/2732-11-0x0000000000D70000-0x0000000000D79000-memory.dmp

Filesize
36KB

Download
memory/2732-14-0x0000000000D70000-0x0000000000D79000-memory.dmp

Filesize
36KB

Download