bdaejec | 86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c

Analysis

max time kernel
141s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28/11/2024, 06:59

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General

Target

86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe
Size

11.5MB
MD5

0980fae0b6dfe0eebcbdb601748f7145
SHA1

72b9724b955ebbd0867c3796e2952c6749991d14
SHA256

86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c
SHA512

bd54fa0274fb28b31a04a624dd299821161a3cb0503ddf2ecc609b78691f517e467b9e2e897e1b41146b903db5e313844f0a89dfcfaf44350d3f0a0ad48f2f23
SSDEEP

196608:FAQuVH3M82sRhWphk2XmH24Wgf7TInXinHuE50PbdtwsmrKVveZleGxzLVyyqg:GLxM8r22PvInXinHuK0xCKVvetRVl

Score

10^/10

bdaejec aspackv2 backdoor discovery evasion themida trojan

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
behavioral2/memory/1244-6-0x0000000000C70000-0x0000000000C79000-memory.dmp	family_bdaejec_backdoor
behavioral2/memory/1244-59-0x0000000000C70000-0x0000000000C79000-memory.dmp	family_bdaejec_backdoor

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000b000000023bc3-2.dat	aspack_v212_v242

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe

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	ydirfJ.exe

Executes dropped EXE 1 IoCs

pid	Process
1244	ydirfJ.exe

Themida packer 19 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/1524-4-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral2/memory/1524-14-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral2/memory/1524-17-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral2/memory/1524-16-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral2/memory/1524-61-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral2/memory/1524-62-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral2/memory/1524-63-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral2/memory/1524-64-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral2/memory/1524-65-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral2/memory/1524-66-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral2/memory/1524-67-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral2/memory/1524-68-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral2/memory/1524-69-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral2/memory/1524-70-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral2/memory/1524-71-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral2/memory/1524-72-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral2/memory/1524-73-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral2/memory/1524-74-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral2/memory/1524-75-0x0000000000400000-0x00000000016E2000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1524	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	ydirfJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	ydirfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	ydirfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	ydirfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	ydirfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	ydirfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	ydirfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	ydirfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	ydirfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	ydirfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	ydirfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	ydirfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	ydirfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	ydirfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	ydirfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	ydirfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	ydirfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	ydirfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	ydirfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	ydirfJ.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ydirfJ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1524	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe
1524	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 1244	1524	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe	82
PID 1524 wrote to memory of 1244	1524	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe	82
PID 1524 wrote to memory of 1244	1524	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe	82
PID 1244 wrote to memory of 5012	1244	ydirfJ.exe	83
PID 1244 wrote to memory of 5012	1244	ydirfJ.exe	83
PID 1244 wrote to memory of 5012	1244	ydirfJ.exe	83

C:\Users\Admin\AppData\Local\Temp\86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe
"C:\Users\Admin\AppData\Local\Temp\86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Users\Admin\AppData\Local\Temp\ydirfJ.exe
  C:\Users\Admin\AppData\Local\Temp\ydirfJ.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:1244
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\178e464c.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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\178e464c.bat

Filesize
187B

MD5
37d3d22588a2b8a7c5f4829d016fec0a

SHA1
c50b9f95ddea0756369e6363f7bee70eb8aea8c7

SHA256
be6b6c40d03705e69c1e2b7644480c8e89bdef56bcd500eb56b2ca8269695fb3

SHA512
7e6f51a4ebe867feaf939403f27612c0b4d19a0fb46bea1ca4a3007683041f0c23c4b2a09a14e3aea9f19ef176b7395bdb92ae30e2c22abefc6de687b106fbbb

Download Submit
C:\Users\Admin\AppData\Local\Temp\2CD5612D.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1244-6-0x0000000000C70000-0x0000000000C79000-memory.dmp

Filesize
36KB

Download
memory/1244-59-0x0000000000C70000-0x0000000000C79000-memory.dmp

Filesize
36KB

Download
memory/1524-61-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/1524-66-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/1524-17-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/1524-34-0x0000000010000000-0x0000000010116000-memory.dmp

Filesize
1.1MB

Download
memory/1524-14-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/1524-7-0x00000000778F4000-0x00000000778F6000-memory.dmp

Filesize
8KB

Download
memory/1524-4-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/1524-62-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/1524-63-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/1524-64-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/1524-65-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/1524-16-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/1524-67-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/1524-68-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/1524-69-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/1524-70-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/1524-71-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/1524-72-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/1524-73-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/1524-74-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/1524-75-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads