bdaejec | 1bcd9f753725db468b34c91e404ab447f448792dfaa9ddace2fbbe426b41e148

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 02:30

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General

Target

2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe
Size

506KB
MD5

dd2cb657776b537c66b1ed2a3727e194
SHA1

d7fbdac8d0eea115ff45a9d149bf3de9194ce763
SHA256

1bcd9f753725db468b34c91e404ab447f448792dfaa9ddace2fbbe426b41e148
SHA512

6cd393b13a0009e3ec2a459149ec07ddc33dd8926fc52e9e450011a3f4a52fb963e7a86cbfff7a59c54ca350f700fac376162e0d5ebba4253b2bcfcb75c3698d
SSDEEP

12288:aZxLyDV6tDqoTjsb586lK/P4OjR26YdPc4sY:aZxmV0qkIuPLjRVYdPcNY

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/2720-15-0x0000000000900000-0x0000000000909000-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/0x000a00000001225f-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2720	chjdc.exe

Loads dropped DLL 2 IoCs

pid	Process
2680	2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe
2680	2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	chjdc.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	chjdc.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	chjdc.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	chjdc.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	chjdc.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	chjdc.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	chjdc.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	chjdc.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	chjdc.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	chjdc.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	chjdc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	chjdc.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	chjdc.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	chjdc.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	chjdc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	chjdc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	chjdc.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	chjdc.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	chjdc.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	chjdc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	chjdc.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	chjdc.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	chjdc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	chjdc.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	chjdc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	chjdc.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	chjdc.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	chjdc.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	chjdc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	chjdc.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	chjdc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	chjdc.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	chjdc.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	chjdc.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	2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chjdc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2680	2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe
2680	2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe
2680	2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe
2680	2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 2720	2680	2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe	30
PID 2680 wrote to memory of 2720	2680	2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe	30
PID 2680 wrote to memory of 2720	2680	2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe	30
PID 2680 wrote to memory of 2720	2680	2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe	30
PID 2720 wrote to memory of 848	2720	chjdc.exe	34
PID 2720 wrote to memory of 848	2720	chjdc.exe	34
PID 2720 wrote to memory of 848	2720	chjdc.exe	34
PID 2720 wrote to memory of 848	2720	chjdc.exe	34

C:\Users\Admin\AppData\Local\Temp\2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-07_dd2cb657776b537c66b1ed2a3727e194_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Users\Admin\AppData\Local\Temp\chjdc.exe
  C:\Users\Admin\AppData\Local\Temp\chjdc.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2720
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\171723d0.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:848

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\171723d0.bat

Filesize
185B

MD5
419f1290767987e2901d2306a8641c57

SHA1
9860e08a6db74e83e596fe5435785bbd0eea5886

SHA256
4aa0687d77125dc0c88319ffc46717febc466bfd40631f89c9200e3b6c6cba88

SHA512
d4e55d7c363b8b9f4f75a74b944f288fef449d731e1c313ec110c5bfd961328e45745a51a3c5c07f61b5f476bfe3406f26cacccd9386bbd93c7885a78a539b93

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2680-1-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2680-4-0x00000000001D0000-0x00000000001D9000-memory.dmp

Filesize
36KB

Download
memory/2680-14-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2680-22-0x00000000001D0000-0x00000000001D9000-memory.dmp

Filesize
36KB

Download
memory/2680-24-0x00000000001D0000-0x00000000001D9000-memory.dmp

Filesize
36KB

Download
memory/2720-10-0x0000000000900000-0x0000000000909000-memory.dmp

Filesize
36KB

Download
memory/2720-15-0x0000000000900000-0x0000000000909000-memory.dmp

Filesize
36KB

Download