bdaejec | 86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c

Analysis

max time kernel
142s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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++.

Processes:

resource	yara_rule
behavioral1/memory/1968-11-0x0000000000DD0000-0x0000000000DD9000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/1968-63-0x0000000000DD0000-0x0000000000DD9000-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

Processes:

86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe

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

Processes:

resource	yara_rule
behavioral1/files/0x0009000000016ace-3.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

Processes:

86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe

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

Executes dropped EXE 1 IoCs

Processes:

ydirfJ.exe

pid	Process
1968	ydirfJ.exe

Loads dropped DLL 2 IoCs

Processes:

86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe

pid	Process
2332	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe
2332	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe

Themida packer 19 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/2332-9-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral1/memory/2332-15-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral1/memory/2332-16-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral1/memory/2332-17-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral1/memory/2332-65-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral1/memory/2332-66-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral1/memory/2332-67-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral1/memory/2332-68-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral1/memory/2332-69-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral1/memory/2332-70-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral1/memory/2332-71-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral1/memory/2332-72-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral1/memory/2332-73-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral1/memory/2332-75-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral1/memory/2332-76-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral1/memory/2332-77-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral1/memory/2332-78-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral1/memory/2332-79-0x0000000000400000-0x00000000016E2000-memory.dmp	themida
behavioral1/memory/2332-80-0x0000000000400000-0x00000000016E2000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe

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

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe

pid	Process
2332	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe

Drops file in Program Files directory 64 IoCs

Processes:

ydirfJ.exe

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	ydirfJ.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	ydirfJ.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	ydirfJ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	ydirfJ.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{C3A4D3BC-D67A-4D2A-B0ED-B4E62D27E02C}\chrome_installer.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	ydirfJ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	ydirfJ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.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

Processes:

86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exeydirfJ.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ydirfJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe

pid	Process
2332	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe
2332	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exeydirfJ.exe

description	pid	Process	procid_target
PID 2332 wrote to memory of 1968	2332	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe	31
PID 2332 wrote to memory of 1968	2332	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe	31
PID 2332 wrote to memory of 1968	2332	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe	31
PID 2332 wrote to memory of 1968	2332	86af40c4db7e63743cabca0bc02a4f9510c520037dea220d27077d193892094c.exe	31
PID 1968 wrote to memory of 2672	1968	ydirfJ.exe	33
PID 1968 wrote to memory of 2672	1968	ydirfJ.exe	33
PID 1968 wrote to memory of 2672	1968	ydirfJ.exe	33
PID 1968 wrote to memory of 2672	1968	ydirfJ.exe	33

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
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Users\Admin\AppData\Local\Temp\ydirfJ.exe
  C:\Users\Admin\AppData\Local\Temp\ydirfJ.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1968
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\43bb17b7.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2672

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\098A08D6.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\43bb17b7.bat

Filesize
187B

MD5
9d22bd67422213d91b2b9e4bcb28f636

SHA1
37dd059361cbd4b3e9aba4d78da3cae68df3748c

SHA256
ebd01d5ac25bea805018435db80edc79bc91a499932fa08a757e4c96d2574bd1

SHA512
0127c796af3273e8072eec18f7141fc8fb9da6e875c400d14c2620290fdfb7fa3196efc7806b97a9c8f236c1b35232e518df1ea4dca389cd6bebf793f48a2e74

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1968-63-0x0000000000DD0000-0x0000000000DD9000-memory.dmp

Filesize
36KB

Download
memory/1968-11-0x0000000000DD0000-0x0000000000DD9000-memory.dmp

Filesize
36KB

Download
memory/2332-66-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/2332-68-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/2332-16-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/2332-18-0x0000000010000000-0x0000000010116000-memory.dmp

Filesize
1.1MB

Download
memory/2332-17-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/2332-14-0x0000000077470000-0x0000000077472000-memory.dmp

Filesize
8KB

Download
memory/2332-10-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download
memory/2332-12-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download
memory/2332-65-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/2332-9-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/2332-67-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/2332-15-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/2332-69-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/2332-70-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/2332-71-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/2332-72-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/2332-74-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download
memory/2332-73-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/2332-75-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/2332-76-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/2332-77-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/2332-78-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/2332-79-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download
memory/2332-80-0x0000000000400000-0x00000000016E2000-memory.dmp

Filesize
18.9MB

Download