bdaejec | b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 02:47

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General

Target

b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f.exe
Size

303KB
MD5

505370698d0db4fb9b70ceb3d6b38068
SHA1

63504adaedb8ab737cd3ecfffe6863b4cf64ebae
SHA256

b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f
SHA512

567d8ddafff5cf187da8974f76bc41909a7605b508685a619596b3ae1524ff2b1445882873df69c713d6d94840cc3e91f399c7db56da87b3849e5375be97c964
SSDEEP

6144:RdZiP3k3YeDgU5nMNsDQzcmGxF1RYTc3fD8Xhwm3zdiMMKpLIn:RdZc0lp4PzanGQ3fAC2MoA

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/2764-16-0x0000000000230000-0x0000000000239000-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/0x000d00000001277d-10.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2764	EPawkj.exe

Loads dropped DLL 2 IoCs

pid	Process
2672	b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f.exe
2672	b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	EPawkj.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	EPawkj.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	EPawkj.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	EPawkj.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	EPawkj.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	EPawkj.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	EPawkj.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	EPawkj.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	EPawkj.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	EPawkj.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	EPawkj.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	EPawkj.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	EPawkj.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	EPawkj.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	EPawkj.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	EPawkj.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	b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EPawkj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2764	2672	b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f.exe	32
PID 2672 wrote to memory of 2764	2672	b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f.exe	32
PID 2672 wrote to memory of 2764	2672	b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f.exe	32
PID 2672 wrote to memory of 2764	2672	b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f.exe	32
PID 2764 wrote to memory of 1816	2764	EPawkj.exe	36
PID 2764 wrote to memory of 1816	2764	EPawkj.exe	36
PID 2764 wrote to memory of 1816	2764	EPawkj.exe	36
PID 2764 wrote to memory of 1816	2764	EPawkj.exe	36

C:\Users\Admin\AppData\Local\Temp\b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f.exe
"C:\Users\Admin\AppData\Local\Temp\b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Users\Admin\AppData\Local\Temp\EPawkj.exe
  C:\Users\Admin\AppData\Local\Temp\EPawkj.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\70b94387.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1816

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\70b94387.bat

Filesize
187B

MD5
c39b537dd244ee304b126f6d8f25c587

SHA1
11b453a44430896bead349f5f7c854ff8779de21

SHA256
88b95d71ec883a684a165836aa8cdd8d8c7a95e0ee9866ae94f4740ad5e2eb69

SHA512
66b4c68dfcfe136986d0ba0233824089f2dde66ae5ac3f617d4a72b965b7e648d970d7415d139990013c7eb42305ca8765cc4d1ac93c3c387ee3f237fbe3f600

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2672-0-0x00000000013B0000-0x0000000001403000-memory.dmp

Filesize
332KB

Download
memory/2672-9-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2672-8-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2672-14-0x00000000013B0000-0x0000000001403000-memory.dmp

Filesize
332KB

Download
memory/2764-11-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2764-16-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download