bdaejec | 5ff8b39c42d8e7a6345af8fdebaa60e68f684419bb2f0e4f0107e4d5b3d7b1be

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 01:01

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General

Target

5ff8b39c42d8e7a6345af8fdebaa60e68f684419bb2f0e4f0107e4d5b3d7b1be.exe
Size

104KB
MD5

7138ace3d41a39f3af11568e13ef476c
SHA1

35f73898ced7de5b0b13951ce9914bff90134439
SHA256

5ff8b39c42d8e7a6345af8fdebaa60e68f684419bb2f0e4f0107e4d5b3d7b1be
SHA512

43642a8525471066f9f7ee0b68afa4686f42d98a48f7929ee82aaca6c3c36606491763313b79174fe3eb49569ff6e968eb433b32bbcc8afbaa775a5f139c180c
SSDEEP

1536:DFEL0c3++wG5NlKOln9N7oKsMmuB2IMokC+0FfHYToSMQuGCq2iW7z:DFUxlnjmDXokC+GfHYToSMPGCH

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/2784-12-0x0000000001370000-0x0000000001379000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/2784-30-0x0000000001370000-0x0000000001379000-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/0x000b000000012280-4.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2784	YMdPur.exe

Loads dropped DLL 2 IoCs

pid	Process
2936	5ff8b39c42d8e7a6345af8fdebaa60e68f684419bb2f0e4f0107e4d5b3d7b1be.exe
2936	5ff8b39c42d8e7a6345af8fdebaa60e68f684419bb2f0e4f0107e4d5b3d7b1be.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	YMdPur.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	YMdPur.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	YMdPur.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	YMdPur.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	YMdPur.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	YMdPur.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	YMdPur.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	YMdPur.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	YMdPur.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	YMdPur.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	YMdPur.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	YMdPur.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	YMdPur.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	YMdPur.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	YMdPur.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	YMdPur.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	YMdPur.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	YMdPur.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	YMdPur.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	YMdPur.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	YMdPur.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	YMdPur.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	YMdPur.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	YMdPur.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	YMdPur.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	YMdPur.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	YMdPur.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	YMdPur.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	YMdPur.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	YMdPur.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	YMdPur.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	YMdPur.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	5ff8b39c42d8e7a6345af8fdebaa60e68f684419bb2f0e4f0107e4d5b3d7b1be.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	YMdPur.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2784	2936	5ff8b39c42d8e7a6345af8fdebaa60e68f684419bb2f0e4f0107e4d5b3d7b1be.exe	30
PID 2936 wrote to memory of 2784	2936	5ff8b39c42d8e7a6345af8fdebaa60e68f684419bb2f0e4f0107e4d5b3d7b1be.exe	30
PID 2936 wrote to memory of 2784	2936	5ff8b39c42d8e7a6345af8fdebaa60e68f684419bb2f0e4f0107e4d5b3d7b1be.exe	30
PID 2936 wrote to memory of 2784	2936	5ff8b39c42d8e7a6345af8fdebaa60e68f684419bb2f0e4f0107e4d5b3d7b1be.exe	30
PID 2784 wrote to memory of 2624	2784	YMdPur.exe	31
PID 2784 wrote to memory of 2624	2784	YMdPur.exe	31
PID 2784 wrote to memory of 2624	2784	YMdPur.exe	31
PID 2784 wrote to memory of 2624	2784	YMdPur.exe	31

C:\Users\Admin\AppData\Local\Temp\5ff8b39c42d8e7a6345af8fdebaa60e68f684419bb2f0e4f0107e4d5b3d7b1be.exe
"C:\Users\Admin\AppData\Local\Temp\5ff8b39c42d8e7a6345af8fdebaa60e68f684419bb2f0e4f0107e4d5b3d7b1be.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Users\Admin\AppData\Local\Temp\YMdPur.exe
  C:\Users\Admin\AppData\Local\Temp\YMdPur.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\6be23eff.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2624

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\6be23eff.bat

Filesize
187B

MD5
727d9b9d5db62dee12719cbf17b2d90f

SHA1
9654556ac7419c6b41bdf3b857d614f1118f6b53

SHA256
212134e50d57bd8707f94f3b88c6972b8e0047d7348450a2417c518e1e65a495

SHA512
e7affb20c86441b68ae35e0dbd023d13c6a5aa486bc4275b093e3edfe46bc205c320da2b222ca4e92fe6c089bbbeb5b382da3d6302de2728501e6680c50e66c7

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2784-12-0x0000000001370000-0x0000000001379000-memory.dmp

Filesize
36KB

Download
memory/2784-30-0x0000000001370000-0x0000000001379000-memory.dmp

Filesize
36KB

Download
memory/2936-11-0x00000000000F0000-0x00000000000F9000-memory.dmp

Filesize
36KB

Download
memory/2936-9-0x00000000000F0000-0x00000000000F9000-memory.dmp

Filesize
36KB

Download
memory/2936-0-0x0000000000CE0000-0x0000000000D00000-memory.dmp

Filesize
128KB

Download
memory/2936-32-0x0000000000CE0000-0x0000000000D00000-memory.dmp

Filesize
128KB

Download