bdaejec | 2f2b62f010f743124767b36ed6e0c3f885a1ad0db036a65dca5f7ec20dc74919

Analysis

max time kernel
108s
max time network
100s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
13-02-2025 18:22

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General

Target

Loader.exe
Size

593KB
MD5

7513aaaa736bf8d2b2a6d06a007fa6d2
SHA1

00d0077fd72d0046da42744474728b668776a1db
SHA256

2f2b62f010f743124767b36ed6e0c3f885a1ad0db036a65dca5f7ec20dc74919
SHA512

d8e0cc24274a075ea7ffd6745eb6d294de3639fcd51765499cab1966f53dff7f365325ab523280cca7b456eb23930f7776e77a968485a5f796932d4bcb424567
SSDEEP

12288:fmeOfxCoEB9DzYwLM8sNfuuKSmtkTGKKlmJj9//k/rTcPcYYYgYYYYYYYgYYYYYH:fxOp5uVLyqKKlmJj9//k//Ic

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/2864-11-0x00000000000E0000-0x00000000000E9000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/2864-15-0x00000000000E0000-0x00000000000E9000-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/0x0009000000012266-9.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2864	ZavQTq.exe

Loads dropped DLL 2 IoCs

pid	Process
2548	Loader.exe
2548	Loader.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	ZavQTq.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	ZavQTq.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	ZavQTq.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	ZavQTq.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	ZavQTq.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	ZavQTq.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	ZavQTq.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	ZavQTq.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	ZavQTq.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	ZavQTq.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	ZavQTq.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	ZavQTq.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	ZavQTq.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	ZavQTq.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	ZavQTq.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	ZavQTq.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	ZavQTq.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	ZavQTq.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	ZavQTq.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	ZavQTq.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	ZavQTq.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	ZavQTq.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	ZavQTq.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	ZavQTq.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	ZavQTq.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{C3A4D3BC-D67A-4D2A-B0ED-B4E62D27E02C}\chrome_installer.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	ZavQTq.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	ZavQTq.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	Loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ZavQTq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2548	Loader.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2864	2548	Loader.exe	31
PID 2548 wrote to memory of 2864	2548	Loader.exe	31
PID 2548 wrote to memory of 2864	2548	Loader.exe	31
PID 2548 wrote to memory of 2864	2548	Loader.exe	31
PID 2864 wrote to memory of 760	2864	ZavQTq.exe	34
PID 2864 wrote to memory of 760	2864	ZavQTq.exe	34
PID 2864 wrote to memory of 760	2864	ZavQTq.exe	34
PID 2864 wrote to memory of 760	2864	ZavQTq.exe	34

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Users\Admin\AppData\Local\Temp\ZavQTq.exe
  C:\Users\Admin\AppData\Local\Temp\ZavQTq.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2864
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\39d95069.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:760

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\39d95069.bat

Filesize
187B

MD5
bc7e867ee01c51e665033eca425c6bb9

SHA1
f041d50ced080b3b5b6c12352326a96b5b307d40

SHA256
b064a2e93529e453ae9dfd75fdf054956d8043f5b443bb70045303d5e1bcf5d5

SHA512
ec90aef107e393650b59caa2369bef67a72dad24448a35f6aec146a96b36a9b17679e375608f3cbc6a466398e067483ec1ee925938fd598360ad84ec9b743f30

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2548-0-0x0000000000090000-0x000000000012A000-memory.dmp

Filesize
616KB

Download
memory/2548-4-0x00000000001A0000-0x00000000001A9000-memory.dmp

Filesize
36KB

Download
memory/2548-14-0x0000000000090000-0x000000000012A000-memory.dmp

Filesize
616KB

Download
memory/2548-23-0x00000000001A0000-0x00000000001A9000-memory.dmp

Filesize
36KB

Download
memory/2864-11-0x00000000000E0000-0x00000000000E9000-memory.dmp

Filesize
36KB

Download
memory/2864-15-0x00000000000E0000-0x00000000000E9000-memory.dmp

Filesize
36KB

Download