bdaejec | 5dfb1dc5f47ebd154381a69a1134bf4ffcdbe018cb65a9e80f8d97198403d4b1

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 07:28

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General

Target

5dfb1dc5f47ebd154381a69a1134bf4ffcdbe018cb65a9e80f8d97198403d4b1.exe
Size

80KB
MD5

9d4cdee967a3918a3b61c24095452e0f
SHA1

19d041037f061fbe32d50657f737e8ab7066ce5c
SHA256

5dfb1dc5f47ebd154381a69a1134bf4ffcdbe018cb65a9e80f8d97198403d4b1
SHA512

b142e86d58bec67b45f11bc937e0e3924f34feca170d380865d21e3647c94419472e7f1372bb24a8f7785194cec52b8d1b5ad050bb0891ebcc64bc9f10aed3de
SSDEEP

1536:/JvJnBpwdaMIOOnToIfiV6pdQxSGCq2iW7z+:/JvxKaCqTBfiooUGCHS

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/2784-54-0x00000000013C0000-0x00000000013C9000-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/0x00070000000120fb-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2784	AVVdJ.exe

Loads dropped DLL 2 IoCs

pid	Process
2704	5dfb1dc5f47ebd154381a69a1134bf4ffcdbe018cb65a9e80f8d97198403d4b1.exe
2704	5dfb1dc5f47ebd154381a69a1134bf4ffcdbe018cb65a9e80f8d97198403d4b1.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	AVVdJ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	AVVdJ.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	AVVdJ.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	AVVdJ.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	AVVdJ.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	5dfb1dc5f47ebd154381a69a1134bf4ffcdbe018cb65a9e80f8d97198403d4b1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AVVdJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2784	2704	5dfb1dc5f47ebd154381a69a1134bf4ffcdbe018cb65a9e80f8d97198403d4b1.exe	30
PID 2704 wrote to memory of 2784	2704	5dfb1dc5f47ebd154381a69a1134bf4ffcdbe018cb65a9e80f8d97198403d4b1.exe	30
PID 2704 wrote to memory of 2784	2704	5dfb1dc5f47ebd154381a69a1134bf4ffcdbe018cb65a9e80f8d97198403d4b1.exe	30
PID 2704 wrote to memory of 2784	2704	5dfb1dc5f47ebd154381a69a1134bf4ffcdbe018cb65a9e80f8d97198403d4b1.exe	30
PID 2784 wrote to memory of 3024	2784	AVVdJ.exe	31
PID 2784 wrote to memory of 3024	2784	AVVdJ.exe	31
PID 2784 wrote to memory of 3024	2784	AVVdJ.exe	31
PID 2784 wrote to memory of 3024	2784	AVVdJ.exe	31

C:\Users\Admin\AppData\Local\Temp\5dfb1dc5f47ebd154381a69a1134bf4ffcdbe018cb65a9e80f8d97198403d4b1.exe
"C:\Users\Admin\AppData\Local\Temp\5dfb1dc5f47ebd154381a69a1134bf4ffcdbe018cb65a9e80f8d97198403d4b1.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Users\Admin\AppData\Local\Temp\AVVdJ.exe
  C:\Users\Admin\AppData\Local\Temp\AVVdJ.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\31a834b3.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3024

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\Microsoft\Windows\Temporary Internet Files\Content.IE5\LW44N8OS\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\31a834b3.bat

Filesize
185B

MD5
b992ba2a2257c5b5148494bb67812a19

SHA1
9644b78c215e77fa2fff043117eccf93502c65ef

SHA256
3b2d3a9dc2ccdb618bd708677e8e7f083353acfce3560da8d5262ca711d5efa0

SHA512
8ce9a5245db78b18a19b5e0725c573c6c28e90539c8764f5e4bc7b34ddc198a2cd88aea8acfdba69dbbc33494fb4c3c0da429140f925c58869783694f6ba274c

Download Submit
C:\Users\Admin\AppData\Local\Temp\3C0901CA.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2704-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2704-4-0x00000000001B0000-0x00000000001B9000-memory.dmp

Filesize
36KB

Download
memory/2704-9-0x00000000001B0000-0x00000000001B9000-memory.dmp

Filesize
36KB

Download
memory/2704-56-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2784-11-0x00000000013C0000-0x00000000013C9000-memory.dmp

Filesize
36KB

Download
memory/2784-54-0x00000000013C0000-0x00000000013C9000-memory.dmp

Filesize
36KB

Download