bdaejec | 3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321c

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
16/01/2025, 22:29 UTC

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General

Target

3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe
Size

1.1MB
MD5

b031cc73360b1c18bb8e5ac6a699ac90
SHA1

3df5e6d38a59b338107f07ff882c0cf65d774d15
SHA256

3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321c
SHA512

87a9f82c2ca2f1914dd6e1b17f27296bd25516d63f8402bb8ab93c377bdace0d030a95dffb8050c34022a3ae95446ade65a6afb4f9ed2160cdec5f523675110c
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/2060-14-0x0000000000D20000-0x0000000000D29000-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/0x0008000000018710-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2060	cLLtGx.exe

Loads dropped DLL 2 IoCs

pid	Process
2204	3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe
2204	3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	cLLtGx.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	cLLtGx.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	cLLtGx.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	3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cLLtGx.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2204	3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe
2204	3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe
2204	3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe
2204	3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2060	2204	3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe	31
PID 2204 wrote to memory of 2060	2204	3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe	31
PID 2204 wrote to memory of 2060	2204	3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe	31
PID 2204 wrote to memory of 2060	2204	3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe	31
PID 2060 wrote to memory of 1568	2060	cLLtGx.exe	34
PID 2060 wrote to memory of 1568	2060	cLLtGx.exe	34
PID 2060 wrote to memory of 1568	2060	cLLtGx.exe	34
PID 2060 wrote to memory of 1568	2060	cLLtGx.exe	34

C:\Users\Admin\AppData\Local\Temp\3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe
"C:\Users\Admin\AppData\Local\Temp\3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Users\Admin\AppData\Local\Temp\cLLtGx.exe
  C:\Users\Admin\AppData\Local\Temp\cLLtGx.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2060
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\1a631e7b.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1568

Network

DNS

ddos.dnsnb8.net

cLLtGx.exe

Remote address:

8.8.8.8:53

Request

ddos.dnsnb8.net

IN A

Response

ddos.dnsnb8.net

IN A

44.221.84.105

44.221.84.105:799

ddos.dnsnb8.net

cLLtGx.exe

152 B
3
44.221.84.105:799

ddos.dnsnb8.net

cLLtGx.exe

152 B
3
44.221.84.105:799

ddos.dnsnb8.net

cLLtGx.exe

152 B
3
44.221.84.105:799

ddos.dnsnb8.net

cLLtGx.exe

152 B
3
44.221.84.105:799

ddos.dnsnb8.net

cLLtGx.exe

152 B
3

8.8.8.8:53

ddos.dnsnb8.net

dns

cLLtGx.exe

61 B
77 B
1
1

DNS Request

ddos.dnsnb8.net

DNS Response

44.221.84.105

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1a631e7b.bat

Filesize
187B

MD5
ddc16f4c64ac33708d5896f064aaba5b

SHA1
59350c32ea67308bbdd48f3c8235d7ee13affc85

SHA256
4b07bda48f980d66ee67adcf656fed8ee2cfa3fdbd426b66ce2ba2e8373ddee0

SHA512
8b80e3326ccdc929e7f2ac79c22ace3f04db0010050038d595eb9b6ae3bf37d296ba772a1f2cd3ab8e82d10c42f42bd56d30b5617b000b357a25ee1d5956ed70

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2060-14-0x0000000000D20000-0x0000000000D29000-memory.dmp

Filesize
36KB

Download
memory/2204-0-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download
memory/2204-3-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download
memory/2204-12-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download