bdaejec | 474904bce162bda5e58c0ab634a4c51fc40a05a787d395d551815054637cb0d8

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
28-12-2024 08:32

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General

Target

2024-12-28_b332ca99fb57e17170b70d33f6c62892_bkransomware_wapomi.exe
Size

215KB
MD5

b332ca99fb57e17170b70d33f6c62892
SHA1

8e5f323ea56522da95f625a3988e9cba398e2118
SHA256

474904bce162bda5e58c0ab634a4c51fc40a05a787d395d551815054637cb0d8
SHA512

f4b75bc499be09c2bd920e33a7f3abe025897eecfcc3059dc4fd049c9089bd93693ea6035c03ec495ddd83958b9b1723fe24a495ac16a691102d52e0cd634ea8
SSDEEP

3072:R666SmGgfYMSLpt690O4EHIsxeqvrvuSUdybQHoAw3MVDdVY3KjGCH:R2SSI60OhHLjv1nt3Ka

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/2012-16-0x0000000000E90000-0x0000000000E99000-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/0x000d0000000133b8-11.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2012	nPeP.exe

Loads dropped DLL 2 IoCs

pid	Process
3036	2024-12-28_b332ca99fb57e17170b70d33f6c62892_bkransomware_wapomi.exe
3036	2024-12-28_b332ca99fb57e17170b70d33f6c62892_bkransomware_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	nPeP.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	nPeP.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	nPeP.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	nPeP.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	nPeP.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	nPeP.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	nPeP.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	nPeP.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	nPeP.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	nPeP.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	nPeP.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	nPeP.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	nPeP.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	nPeP.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	nPeP.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	nPeP.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	nPeP.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	nPeP.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	nPeP.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{C3A4D3BC-D67A-4D2A-B0ED-B4E62D27E02C}\chrome_installer.exe	nPeP.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	nPeP.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	nPeP.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	nPeP.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	nPeP.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	nPeP.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	nPeP.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	nPeP.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	nPeP.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	nPeP.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	nPeP.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	nPeP.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	nPeP.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	nPeP.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	nPeP.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	nPeP.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-28_b332ca99fb57e17170b70d33f6c62892_bkransomware_wapomi.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2012	3036	2024-12-28_b332ca99fb57e17170b70d33f6c62892_bkransomware_wapomi.exe	31
PID 3036 wrote to memory of 2012	3036	2024-12-28_b332ca99fb57e17170b70d33f6c62892_bkransomware_wapomi.exe	31
PID 3036 wrote to memory of 2012	3036	2024-12-28_b332ca99fb57e17170b70d33f6c62892_bkransomware_wapomi.exe	31
PID 3036 wrote to memory of 2012	3036	2024-12-28_b332ca99fb57e17170b70d33f6c62892_bkransomware_wapomi.exe	31
PID 2012 wrote to memory of 1424	2012	nPeP.exe	35
PID 2012 wrote to memory of 1424	2012	nPeP.exe	35
PID 2012 wrote to memory of 1424	2012	nPeP.exe	35
PID 2012 wrote to memory of 1424	2012	nPeP.exe	35

C:\Users\Admin\AppData\Local\Temp\2024-12-28_b332ca99fb57e17170b70d33f6c62892_bkransomware_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-28_b332ca99fb57e17170b70d33f6c62892_bkransomware_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Users\Admin\AppData\Local\Temp\nPeP.exe
  C:\Users\Admin\AppData\Local\Temp\nPeP.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2012
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\254b3486.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1424

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\254b3486.bat

Filesize
183B

MD5
b56f8b5ed97bdf35fffc366832aa09ab

SHA1
1f081171498fbf04b5dfdee4e512465c0a06810a

SHA256
fbcd52e24c1f9aa0cd8d4971f9630b26cf528e30e5a47d3df02f1b6fc6bca204

SHA512
f2dff8fd1b0d7ed9beaf2553adca0d624f06f50c7c0e4fc1ee38e0fc2a9fe3376f7ea62bd9a610009be90a7649ded35f85a406892ef073e9304ad66a00bf7694

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2012-12-0x0000000000E90000-0x0000000000E99000-memory.dmp

Filesize
36KB

Download
memory/2012-16-0x0000000000E90000-0x0000000000E99000-memory.dmp

Filesize
36KB

Download
memory/3036-0-0x00000000003B0000-0x00000000003EC000-memory.dmp

Filesize
240KB

Download
memory/3036-10-0x00000000003B0000-0x00000000003EC000-memory.dmp

Filesize
240KB

Download
memory/3036-9-0x0000000000E90000-0x0000000000E99000-memory.dmp

Filesize
36KB

Download
memory/3036-8-0x0000000000E90000-0x0000000000E99000-memory.dmp

Filesize
36KB

Download