bdaejec | 4334fbc0ac72a47628bb24c5b68aeeff36db0017bee1ba00b795fd8381c05d06

Analysis

max time kernel
12s
max time network
20s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08-02-2025 05:15

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General

Target

4334fbc0ac72a47628bb24c5b68aeeff36db0017bee1ba00b795fd8381c05d06N.exe
Size

146KB
MD5

b857da006456d70eeed1d8077f0efc60
SHA1

dd4bd601fadb9837466dfcce8b4711bba2986315
SHA256

4334fbc0ac72a47628bb24c5b68aeeff36db0017bee1ba00b795fd8381c05d06
SHA512

03fa5286f87871752a11978478da2020e5b8259eccd03fb61c9d81031df374301a1d87ba16359d10fe0aa8296231eb0d30ad1e0e224eefecc7acea9597353da6
SSDEEP

3072:EEO9aq9pOM5nMCGJri8OioDw7LC89IAFF5J7P03xGCH:EEO9aq97nkll5Vc3k

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. 2 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral1/memory/2160-12-0x0000000000D50000-0x0000000000D59000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/2160-28-0x0000000000D50000-0x0000000000D59000-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/0x0009000000012238-9.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2160	piIRVc.exe

Loads dropped DLL 2 IoCs

pid	Process
2604	4334fbc0ac72a47628bb24c5b68aeeff36db0017bee1ba00b795fd8381c05d06N.exe
2604	4334fbc0ac72a47628bb24c5b68aeeff36db0017bee1ba00b795fd8381c05d06N.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\jmc.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	piIRVc.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	piIRVc.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\sidebar.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	piIRVc.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	piIRVc.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	piIRVc.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	piIRVc.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	piIRVc.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	4334fbc0ac72a47628bb24c5b68aeeff36db0017bee1ba00b795fd8381c05d06N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	piIRVc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2160	2604	4334fbc0ac72a47628bb24c5b68aeeff36db0017bee1ba00b795fd8381c05d06N.exe	29
PID 2604 wrote to memory of 2160	2604	4334fbc0ac72a47628bb24c5b68aeeff36db0017bee1ba00b795fd8381c05d06N.exe	29
PID 2604 wrote to memory of 2160	2604	4334fbc0ac72a47628bb24c5b68aeeff36db0017bee1ba00b795fd8381c05d06N.exe	29
PID 2604 wrote to memory of 2160	2604	4334fbc0ac72a47628bb24c5b68aeeff36db0017bee1ba00b795fd8381c05d06N.exe	29
PID 2160 wrote to memory of 2712	2160	piIRVc.exe	32
PID 2160 wrote to memory of 2712	2160	piIRVc.exe	32
PID 2160 wrote to memory of 2712	2160	piIRVc.exe	32
PID 2160 wrote to memory of 2712	2160	piIRVc.exe	32

C:\Users\Admin\AppData\Local\Temp\4334fbc0ac72a47628bb24c5b68aeeff36db0017bee1ba00b795fd8381c05d06N.exe
"C:\Users\Admin\AppData\Local\Temp\4334fbc0ac72a47628bb24c5b68aeeff36db0017bee1ba00b795fd8381c05d06N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Users\Admin\AppData\Local\Temp\piIRVc.exe
  C:\Users\Admin\AppData\Local\Temp\piIRVc.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\3608687c.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2712

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\Microsoft\Windows\Temporary Internet Files\Content.IE5\NT668XG4\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\3608687c.bat

Filesize
187B

MD5
3c31d56b5f450c914c8d17f6e8802491

SHA1
a47e725d9809139ef99ca26989106303e8680054

SHA256
22e82bc03c871197ec49314d19effc93b6c5645573e728028a9337dcba989db0

SHA512
ca600972e381a5d5fa3c2a0bc24fa821678a85ff72e0b883cbbb3911f52913267c50e93c7476ed67284dc9ff98b9b39a8391d5d2b75d00f2f27cf610d49d578c

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2160-12-0x0000000000D50000-0x0000000000D59000-memory.dmp

Filesize
36KB

Download
memory/2160-28-0x0000000000D50000-0x0000000000D59000-memory.dmp

Filesize
36KB

Download
memory/2604-0-0x0000000000300000-0x000000000032A000-memory.dmp

Filesize
168KB

Download
memory/2604-11-0x00000000000F0000-0x00000000000F9000-memory.dmp

Filesize
36KB

Download
memory/2604-10-0x00000000000F0000-0x00000000000F9000-memory.dmp

Filesize
36KB

Download
memory/2604-14-0x0000000000300000-0x000000000032A000-memory.dmp

Filesize
168KB

Download