bdaejec | bd7a853e20ec918539038278bb788fea3314d1da09e7f75608d13a8cd2436362

Analysis

max time kernel
149s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
17-11-2024 17:23

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General

Target

tmpfile-main/Gaming Chair.exe
Size

2.1MB
MD5

9503205a5f7581720f7fa6348c49a93b
SHA1

34453ec11bb30ae10519a468deaefbf3f965fe3a
SHA256

0dca41e17e4f286a420dd2e6fbbd9ad460f1dac1f3de83672fa9de977f6b6402
SHA512

0524cabf5d0b87bf6f34a1c2e2cc3eef85e95e5b3fdd66fc60e5e07e4c0ce7cdbeb9eca7778bae5b4a0302ce822a08ce30c346d62bdbd746e2c8c6c8fe015191
SSDEEP

49152:xMi7EDQljtuC9Ss8k9yi83GMB5rr3KJPjFJa9Ndcs8Mcs8Mcs8Mcs8M7Lbr7Lbr6:xBYDQ1th9SVk99scB

Score

10^/10

bdaejec aspackv2 backdoor discovery evasion execution

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++.

Processes:

resource	yara_rule
behavioral3/memory/400-46-0x0000000001000000-0x0000000001009000-memory.dmp	family_bdaejec_backdoor

Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
behavioral3/files/0x0009000000029ccb-3.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

Processes:

iakPKCCS.exe

pid	Process
400	iakPKCCS.exe

Drops file in Program Files directory 64 IoCs

Processes:

iakPKCCS.exe

description	ioc	Process
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.32731.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsTerminal_1.6.10571.0_x64__8wekyb3d8bbwe\OpenConsole.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsTerminal_1.6.10571.0_x64__8wekyb3d8bbwe\TerminalAzBridge.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	iakPKCCS.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	iakPKCCS.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	iakPKCCS.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.2103.1172.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.21012.10511.0_x64__8wekyb3d8bbwe\Video.UI.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	iakPKCCS.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1909.12456.0_x64__8wekyb3d8bbwe\PeopleApp.exe	iakPKCCS.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.42251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	iakPKCCS.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	iakPKCCS.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.41182.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_1.0.22.0_x64__8wekyb3d8bbwe\Maps.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	iakPKCCS.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2020.503.58.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_12104.1001.1.0_x64__8wekyb3d8bbwe\WinStore.App.exe	iakPKCCS.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exe

pid	Process
3344	sc.exe
2552	sc.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 7 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

Processes:

cmd.exesc.execmd.exesc.execmd.exeGaming Chair.exeiakPKCCS.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Gaming Chair.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iakPKCCS.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Gaming Chair.exe

pid	Process
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe
2996	Gaming Chair.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

Gaming Chair.execmd.execmd.exeiakPKCCS.exe

description	pid	Process	procid_target
PID 2996 wrote to memory of 400	2996	Gaming Chair.exe	80
PID 2996 wrote to memory of 400	2996	Gaming Chair.exe	80
PID 2996 wrote to memory of 400	2996	Gaming Chair.exe	80
PID 2996 wrote to memory of 3596	2996	Gaming Chair.exe	82
PID 2996 wrote to memory of 3596	2996	Gaming Chair.exe	82
PID 2996 wrote to memory of 3596	2996	Gaming Chair.exe	82
PID 3596 wrote to memory of 3344	3596	cmd.exe	83
PID 3596 wrote to memory of 3344	3596	cmd.exe	83
PID 3596 wrote to memory of 3344	3596	cmd.exe	83
PID 2996 wrote to memory of 3348	2996	Gaming Chair.exe	84
PID 2996 wrote to memory of 3348	2996	Gaming Chair.exe	84
PID 2996 wrote to memory of 3348	2996	Gaming Chair.exe	84
PID 3348 wrote to memory of 2552	3348	cmd.exe	85
PID 3348 wrote to memory of 2552	3348	cmd.exe	85
PID 3348 wrote to memory of 2552	3348	cmd.exe	85
PID 400 wrote to memory of 2732	400	iakPKCCS.exe	87
PID 400 wrote to memory of 2732	400	iakPKCCS.exe	87
PID 400 wrote to memory of 2732	400	iakPKCCS.exe	87

C:\Users\Admin\AppData\Local\Temp\tmpfile-main\Gaming Chair.exe
"C:\Users\Admin\AppData\Local\Temp\tmpfile-main\Gaming Chair.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Users\Admin\AppData\Local\Temp\iakPKCCS.exe
  C:\Users\Admin\AppData\Local\Temp\iakPKCCS.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:400
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\450b2eb3.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2732
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c sc start FairplayKD > NUL 2>&1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3596
- - C:\Windows\SysWOW64\sc.exe
    sc start FairplayKD
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:3344
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c sc stop %c > NUL 2>&1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3348
- - C:\Windows\SysWOW64\sc.exe
    sc stop %c
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3UZNLR3Y\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\450b2eb3.bat

Filesize
191B

MD5
1d336d12542e3459e76368355558c4a7

SHA1
4a0b524e762e09c82cd8e39564d872975a02da72

SHA256
a8d0434e7f2f87193d9a9d84c958df1689c4736fbc72504819b8e704fd6f1365

SHA512
a1b7ebb045f31293d09b30fc21918efcd50afbdf1c9bbec8dd13afb67172b0dd1d7abbcf46e0f33fc7786052ec377fe91d5423068dfb4d13b827636a25bcaca5

Download Submit
C:\Users\Admin\AppData\Local\Temp\782C0AF1.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/400-4-0x0000000001000000-0x0000000001009000-memory.dmp

Filesize
36KB

Download
memory/400-46-0x0000000001000000-0x0000000001009000-memory.dmp

Filesize
36KB

Download
memory/2996-0-0x0000000000EA0000-0x00000000010C0000-memory.dmp

Filesize
2.1MB

Download
memory/2996-48-0x0000000000EA0000-0x00000000010C0000-memory.dmp

Filesize
2.1MB

Download