bdaejec | ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-02-2025 14:28

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General

Target

ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060.exe
Size

146KB
MD5

ce6b04721edd46ab7b12be3a353d94cb
SHA1

70264211eba8694420f25a0e31722a9442fcfa4c
SHA256

ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060
SHA512

e76aeffb472e04b2ae67bafae5cd2682f068cad498310e0106cb040800bdb6f530c75b1d83283ce9638ad521dfaa9bdca009a8afb1f2b150a2c3888e253a0e9e
SSDEEP

3072:EEO9aq9pOM5nMCGJri8OioDw7LC89IAFF5J7P03xGCHW:EEO9aq97nkll5Vc3kV

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/2052-24-0x00000000013B0000-0x00000000013B9000-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/0x0007000000012117-8.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2052	piIRVc.exe

Loads dropped DLL 2 IoCs

pid	Process
2056	ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060.exe
2056	ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060.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\idlj.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.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 (x86)\Windows Sidebar\sidebar.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	piIRVc.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	piIRVc.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	piIRVc.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	piIRVc.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.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\jre7\bin\jp2launcher.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	piIRVc.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.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\klist.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.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 (x86)\Windows Mail\WinMail.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\tnameserv.exe	piIRVc.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.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\servertool.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	piIRVc.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	piIRVc.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	piIRVc.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	piIRVc.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	piIRVc.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	piIRVc.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.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\jhat.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.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\jre7\bin\java.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	piIRVc.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.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\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	piIRVc.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	piIRVc.exe
File opened for modification	C:\Program Files\7-Zip\7z.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\jsadebugd.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.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	ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060.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 2056 wrote to memory of 2052	2056	ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060.exe	30
PID 2056 wrote to memory of 2052	2056	ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060.exe	30
PID 2056 wrote to memory of 2052	2056	ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060.exe	30
PID 2056 wrote to memory of 2052	2056	ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060.exe	30
PID 2052 wrote to memory of 2756	2052	piIRVc.exe	32
PID 2052 wrote to memory of 2756	2052	piIRVc.exe	32
PID 2052 wrote to memory of 2756	2052	piIRVc.exe	32
PID 2052 wrote to memory of 2756	2052	piIRVc.exe	32

C:\Users\Admin\AppData\Local\Temp\ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060.exe
"C:\Users\Admin\AppData\Local\Temp\ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2056
- 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:2052
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\5f0e45d4.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2756

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\5f0e45d4.bat

Filesize
187B

MD5
ab6cf1b2a290b7427abc0d92b379d69c

SHA1
59d813d1e69c7e4f4b510b8aa09f031be86bcb7d

SHA256
e4822f48b7631950ce99f6466ffd421af3f9abcc2c67af6ff0c3efc50be9eb7b

SHA512
65d37d60095c3d9f00badea14c0e86e21fa9da9a36192e9f2176b29aaeaf29d218c4898bb7bbc7f1a01c10ade9daaaa5b355aaf84a4380e7c0841400bb0dd719

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2052-24-0x00000000013B0000-0x00000000013B9000-memory.dmp

Filesize
36KB

Download
memory/2056-0-0x0000000000FC0000-0x0000000000FEA000-memory.dmp

Filesize
168KB

Download
memory/2056-9-0x00000000000F0000-0x00000000000F9000-memory.dmp

Filesize
36KB

Download
memory/2056-3-0x00000000000F0000-0x00000000000F9000-memory.dmp

Filesize
36KB

Download
memory/2056-13-0x0000000000FC0000-0x0000000000FEA000-memory.dmp

Filesize
168KB

Download