bdaejec | 2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea

Analysis

max time kernel
144s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-12-2024 17:56

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General

Target

2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe
Size

12.0MB
MD5

5bfe382610f379f0cbbcd6a8cf666171
SHA1

5080e009ea40a254e1ac5b8c72d56d88440cc6b4
SHA256

2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea
SHA512

e9ab9b9831be945bbe72b1fc1a973a323f8879be9371453a07167fc1cae1c7aae568fc1b5448db00bd6fb186a52aa595b324773def1737e8211553119ddf3f80
SSDEEP

49152:s/KE1ld3/wAyJxVZp2bnbJ5eA+zsFTCTMqQ:s/KU9/pyJx9Y5elQ0T

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/3032-12-0x0000000000DE0000-0x0000000000DE9000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/3032-18-0x0000000000DE0000-0x0000000000DE9000-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/0x0007000000012119-7.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
3032	cJvWTo.exe

Loads dropped DLL 2 IoCs

pid	Process
2404	2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe
2404	2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.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\rmiregistry.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	cJvWTo.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	cJvWTo.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{5EB8F02B-573C-439E-BE36-635B3B6563D9}\chrome_installer.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	cJvWTo.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	2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cJvWTo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2404	2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2404	2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe
2404	2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe
2404	2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 3032	2404	2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe	30
PID 2404 wrote to memory of 3032	2404	2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe	30
PID 2404 wrote to memory of 3032	2404	2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe	30
PID 2404 wrote to memory of 3032	2404	2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe	30
PID 3032 wrote to memory of 1652	3032	cJvWTo.exe	34
PID 3032 wrote to memory of 1652	3032	cJvWTo.exe	34
PID 3032 wrote to memory of 1652	3032	cJvWTo.exe	34
PID 3032 wrote to memory of 1652	3032	cJvWTo.exe	34

C:\Users\Admin\AppData\Local\Temp\2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe
"C:\Users\Admin\AppData\Local\Temp\2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Users\Admin\AppData\Local\Temp\cJvWTo.exe
  C:\Users\Admin\AppData\Local\Temp\cJvWTo.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3032
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\01c86884.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1652

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\01c86884.bat

Filesize
187B

MD5
157d9b1fda462960be6c2a4890e9b3fa

SHA1
4920a4f62ad0801767d7dd766cacd619500763c0

SHA256
f8065957666eb9fdfda5b082dbae62771fa2d038c7fdfcd8c8164c35b877d8c1

SHA512
99bc17e5d16b11d62227e63ac6b677caafeb8108cee040ec33ffc6164b1fdd6b0e002672cc13761cc585148d1eb963868d8735e59fb73d9a5f919e96e649b7e9

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2404-10-0x0000000000D50000-0x00000000019B1000-memory.dmp

Filesize
12.4MB

Download
memory/2404-13-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/2404-11-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/2404-15-0x00000000009C0000-0x0000000000AC0000-memory.dmp

Filesize
1024KB

Download
memory/2404-17-0x0000000000D50000-0x00000000019B1000-memory.dmp

Filesize
12.4MB

Download
memory/2404-19-0x00000000009C0000-0x0000000000AC0000-memory.dmp

Filesize
1024KB

Download
memory/2404-26-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/2404-28-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/3032-12-0x0000000000DE0000-0x0000000000DE9000-memory.dmp

Filesize
36KB

Download
memory/3032-18-0x0000000000DE0000-0x0000000000DE9000-memory.dmp

Filesize
36KB

Download