bdaejec | f20cd66961b45d63540527201158e386fd41139e53bbbf032acc60ac4774f38c

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 18:02

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General

Target

f20cd66961b45d63540527201158e386fd41139e53bbbf032acc60ac4774f38c.exe
Size

12.0MB
MD5

4b137f312a7728304f9f9f31bdc044bf
SHA1

a7329f07aa7197348c744bc665fe78df5c3aa83f
SHA256

f20cd66961b45d63540527201158e386fd41139e53bbbf032acc60ac4774f38c
SHA512

afde317aa4c4ce4d6f143712df448b0dea5009cb50538c7e80e6688409122a51ab413a1bc51d1bf3b3c752c602e51823f1363b109f31f902e9e7c8d445072743
SSDEEP

49152:s/KE1ld3/wAyJxVZp2bnbJ5eA+z1FTCTMqQ:s/KU9/pyJx9Y5elZ0T

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/1728-11-0x0000000000820000-0x0000000000829000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/1728-18-0x0000000000820000-0x0000000000829000-memory.dmp	family_bdaejec_backdoor

ASPack v2.12-2.42 2 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x000d0000000122e4-1.dat	aspack_v212_v242
behavioral1/memory/3020-26-0x00000000000F0000-0x00000000000F9000-memory.dmp	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1728	JfCFjy.exe

Loads dropped DLL 2 IoCs

pid	Process
3020	f20cd66961b45d63540527201158e386fd41139e53bbbf032acc60ac4774f38c.exe
3020	f20cd66961b45d63540527201158e386fd41139e53bbbf032acc60ac4774f38c.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	JfCFjy.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	JfCFjy.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	JfCFjy.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	JfCFjy.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\sidebar.exe	JfCFjy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	JfCFjy.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	JfCFjy.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	JfCFjy.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	JfCFjy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f20cd66961b45d63540527201158e386fd41139e53bbbf032acc60ac4774f38c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3020	f20cd66961b45d63540527201158e386fd41139e53bbbf032acc60ac4774f38c.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3020	f20cd66961b45d63540527201158e386fd41139e53bbbf032acc60ac4774f38c.exe
3020	f20cd66961b45d63540527201158e386fd41139e53bbbf032acc60ac4774f38c.exe
3020	f20cd66961b45d63540527201158e386fd41139e53bbbf032acc60ac4774f38c.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 1728	3020	f20cd66961b45d63540527201158e386fd41139e53bbbf032acc60ac4774f38c.exe	30
PID 3020 wrote to memory of 1728	3020	f20cd66961b45d63540527201158e386fd41139e53bbbf032acc60ac4774f38c.exe	30
PID 3020 wrote to memory of 1728	3020	f20cd66961b45d63540527201158e386fd41139e53bbbf032acc60ac4774f38c.exe	30
PID 3020 wrote to memory of 1728	3020	f20cd66961b45d63540527201158e386fd41139e53bbbf032acc60ac4774f38c.exe	30
PID 1728 wrote to memory of 2908	1728	JfCFjy.exe	34
PID 1728 wrote to memory of 2908	1728	JfCFjy.exe	34
PID 1728 wrote to memory of 2908	1728	JfCFjy.exe	34
PID 1728 wrote to memory of 2908	1728	JfCFjy.exe	34

C:\Users\Admin\AppData\Local\Temp\f20cd66961b45d63540527201158e386fd41139e53bbbf032acc60ac4774f38c.exe
"C:\Users\Admin\AppData\Local\Temp\f20cd66961b45d63540527201158e386fd41139e53bbbf032acc60ac4774f38c.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Users\Admin\AppData\Local\Temp\JfCFjy.exe
  C:\Users\Admin\AppData\Local\Temp\JfCFjy.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1728
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\2c697c97.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2908

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\2c697c97.bat

Filesize
187B

MD5
40b7c6e9caf346e97c470d541126ba5b

SHA1
87760983056ebec1beec86e94b194217a96e99f0

SHA256
9d3375282a0588f00e07f12351071b70167375f8191cbb9b9470d12b0e6cab8f

SHA512
8819572a8b8b2fe380892382e4efbf9a3c6b3f61cf83c457da247941cfad02403181c10476ee9c3e247f4bd7041d9564ff8621d67a780bef8ef84f5ff9e13c37

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1728-11-0x0000000000820000-0x0000000000829000-memory.dmp

Filesize
36KB

Download
memory/1728-18-0x0000000000820000-0x0000000000829000-memory.dmp

Filesize
36KB

Download
memory/3020-9-0x0000000000160000-0x0000000000DC1000-memory.dmp

Filesize
12.4MB

Download
memory/3020-12-0x00000000000F0000-0x00000000000F9000-memory.dmp

Filesize
36KB

Download
memory/3020-10-0x00000000000F0000-0x00000000000F9000-memory.dmp

Filesize
36KB

Download
memory/3020-15-0x0000000002C50000-0x0000000002D50000-memory.dmp

Filesize
1024KB

Download
memory/3020-17-0x0000000000160000-0x0000000000DC1000-memory.dmp

Filesize
12.4MB

Download
memory/3020-19-0x0000000002C50000-0x0000000002D50000-memory.dmp

Filesize
1024KB

Download
memory/3020-26-0x00000000000F0000-0x00000000000F9000-memory.dmp

Filesize
36KB

Download
memory/3020-28-0x00000000000F0000-0x00000000000F9000-memory.dmp

Filesize
36KB

Download