bdaejec | 683c93b5375a815e88d1e075ef1e931bb115de0918d3a5f989025efec076d38a

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 10:11

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General

Target

2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe
Size

1.1MB
MD5

e8660301ed698a144c850209cfc32372
SHA1

686bc8b1c5d5475bda8632faaa911f1b749d6fd9
SHA256

683c93b5375a815e88d1e075ef1e931bb115de0918d3a5f989025efec076d38a
SHA512

2a5a6cdde4f30831914c52e78490252e4d70e7af6fe31b045ceebddb6373e7707533826f1633a9beef63bdd7a588e117955b018bb0e8f9ae6a8c9cd2a71b45da
SSDEEP

12288:ZqOPajQUXXP8QvLWFx6Mo5rippDC7ee1hpls4Ey+:ZnajQEPnvg6PhWDC750

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/2176-36-0x0000000000FA0000-0x0000000000FA9000-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/0x0008000000012116-1.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2176	dArhBL.exe

Loads dropped DLL 2 IoCs

pid	Process
1628	2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe
1628	2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	dArhBL.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	dArhBL.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	dArhBL.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	dArhBL.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{26793F86-7A02-4BBD-B5DA-4AA3D83AA174}\chrome_installer.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	dArhBL.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	dArhBL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	dArhBL.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	dArhBL.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	dArhBL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	dArhBL.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	dArhBL.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	dArhBL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	dArhBL.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	dArhBL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	dArhBL.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	dArhBL.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	dArhBL.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	2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dArhBL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1628	2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe
1628	2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe
1628	2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe
1628	2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2176	1628	2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe	30
PID 1628 wrote to memory of 2176	1628	2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe	30
PID 1628 wrote to memory of 2176	1628	2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe	30
PID 1628 wrote to memory of 2176	1628	2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe	30
PID 2176 wrote to memory of 2872	2176	dArhBL.exe	33
PID 2176 wrote to memory of 2872	2176	dArhBL.exe	33
PID 2176 wrote to memory of 2872	2176	dArhBL.exe	33
PID 2176 wrote to memory of 2872	2176	dArhBL.exe	33

C:\Users\Admin\AppData\Local\Temp\2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Users\Admin\AppData\Local\Temp\dArhBL.exe
  C:\Users\Admin\AppData\Local\Temp\dArhBL.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2176
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\6e8949fd.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2872

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\Temp\02F23B29.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\6e8949fd.bat

Filesize
187B

MD5
b6896611b51e1ff8d4672557742a78da

SHA1
9067f90fd3514f50637bc1949e9e62564b8ab47e

SHA256
8c2efa3381553ba1496855596bc0e128333e75aee18e183cf8200721cc245da5

SHA512
712725093c5ad1dd51a07f6e2ca7c79a80d4421c8893dbf31da2f6fd539d23d8fbc705fc2589617a3c4463794df6090d6e95cf1a233bc54a3306c76cf0247ab7

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1628-9-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/1628-8-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/1628-7-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download
memory/1628-14-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download
memory/2176-11-0x0000000000FA0000-0x0000000000FA9000-memory.dmp

Filesize
36KB

Download
memory/2176-36-0x0000000000FA0000-0x0000000000FA9000-memory.dmp

Filesize
36KB

Download