bdaejec | bd7a853e20ec918539038278bb788fea3314d1da09e7f75608d13a8cd2436362

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/11/2024, 17:33

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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++.

resource	yara_rule
behavioral6/memory/4052-47-0x00000000008B0000-0x00000000008B9000-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

resource	yara_rule
behavioral6/files/0x000a000000023bcd-5.dat	aspack_v212_v242

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	iakPKCCS.exe

Executes dropped EXE 1 IoCs

pid	Process
4052	iakPKCCS.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.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)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	iakPKCCS.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.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\SDXHelper.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.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\MSQRY32.EXE	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	iakPKCCS.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.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 (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.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\Java\jdk-1.8\bin\rmic.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	iakPKCCS.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.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\Microsoft Office\root\Office16\protocolhandler.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	iakPKCCS.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	iakPKCCS.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.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\Java\jdk-1.8\bin\jar.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	iakPKCCS.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.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 (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	iakPKCCS.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.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\rmiregistry.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\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	iakPKCCS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	iakPKCCS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	iakPKCCS.exe

Launches sc.exe 2 IoCs

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

pid	Process
2748	sc.exe
5020	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

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe
4920	Gaming Chair.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 4052	4920	Gaming Chair.exe	86
PID 4920 wrote to memory of 4052	4920	Gaming Chair.exe	86
PID 4920 wrote to memory of 4052	4920	Gaming Chair.exe	86
PID 4920 wrote to memory of 3916	4920	Gaming Chair.exe	87
PID 4920 wrote to memory of 3916	4920	Gaming Chair.exe	87
PID 4920 wrote to memory of 3916	4920	Gaming Chair.exe	87
PID 3916 wrote to memory of 2748	3916	cmd.exe	88
PID 3916 wrote to memory of 2748	3916	cmd.exe	88
PID 3916 wrote to memory of 2748	3916	cmd.exe	88
PID 4920 wrote to memory of 4220	4920	Gaming Chair.exe	89
PID 4920 wrote to memory of 4220	4920	Gaming Chair.exe	89
PID 4920 wrote to memory of 4220	4920	Gaming Chair.exe	89
PID 4220 wrote to memory of 5020	4220	cmd.exe	90
PID 4220 wrote to memory of 5020	4220	cmd.exe	90
PID 4220 wrote to memory of 5020	4220	cmd.exe	90
PID 4052 wrote to memory of 2268	4052	iakPKCCS.exe	93
PID 4052 wrote to memory of 2268	4052	iakPKCCS.exe	93
PID 4052 wrote to memory of 2268	4052	iakPKCCS.exe	93

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:4920
- C:\Users\Admin\AppData\Local\Temp\iakPKCCS.exe
  C:\Users\Admin\AppData\Local\Temp\iakPKCCS.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4052
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6c161b57.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2268
- 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:3916
- - C:\Windows\SysWOW64\sc.exe
    sc start FairplayKD
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2748
- 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:4220
- - C:\Windows\SysWOW64\sc.exe
    sc stop %c
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:5020

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

Query Registry

T1012

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\P2UT3MS5\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\1EF9029C.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\6c161b57.bat

Filesize
191B

MD5
a35f2d4bf3da6dde207bde79454a695c

SHA1
8494e8c53b34a97751eaae463f8ae09a356a8d24

SHA256
eab79a50fc0646296bd17d720fdb3c9d0141fe5ae98302adb0f2cd429047d03b

SHA512
1f4b0fe7eac68880ec339454d785eaae53632f68e0b8639003a4201a71fa9805d82f9d40da9dc6c5dede37cac5220355ab8bafd1ff234a59082ec08416fbfc14

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/4052-4-0x00000000008B0000-0x00000000008B9000-memory.dmp

Filesize
36KB

Download
memory/4052-47-0x00000000008B0000-0x00000000008B9000-memory.dmp

Filesize
36KB

Download
memory/4920-0-0x0000000000170000-0x0000000000390000-memory.dmp

Filesize
2.1MB

Download
memory/4920-49-0x0000000000170000-0x0000000000390000-memory.dmp

Filesize
2.1MB

Download