bdaejec | d7eaa8a438203a6cbc21c818de5a36845cd19377a8bd6f529a4fdd596e531689

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 10:38

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General

Target

JaffaCakes118_7936b4c5e4ea7b88180bbe02b475f4c0.exe
Size

114KB
MD5

7936b4c5e4ea7b88180bbe02b475f4c0
SHA1

b8c8a9666ffacfe53b1406ea5ee70e1d06a38c00
SHA256

d7eaa8a438203a6cbc21c818de5a36845cd19377a8bd6f529a4fdd596e531689
SHA512

38fd158d13d27148590ffc984cc4ba0300ca9cfd3f0a0c03d03a008cce82ccea352a0b3f246bb150c9097d78129c459a63749fef7526670cfa28b24faa649af5
SSDEEP

1536:q81714Js0b9SK5EROHFrhS/JRa5YJFgdjxv+dkuqKg3DaZvYezxfl12KGCq2iW7z:xr4Jxb32RIRFhueaFYIflvGCH

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/2052-31-0x0000000000F00000-0x0000000000F09000-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/0x0007000000012117-11.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2052	mdIotS.exe

Loads dropped DLL 2 IoCs

pid	Process
2464	JaffaCakes118_7936b4c5e4ea7b88180bbe02b475f4c0.exe
2464	JaffaCakes118_7936b4c5e4ea7b88180bbe02b475f4c0.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	mdIotS.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	mdIotS.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	mdIotS.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	mdIotS.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	mdIotS.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	mdIotS.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	mdIotS.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	mdIotS.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	mdIotS.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	mdIotS.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	mdIotS.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	mdIotS.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	mdIotS.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	mdIotS.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	mdIotS.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	mdIotS.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	mdIotS.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	mdIotS.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	mdIotS.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	mdIotS.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	JaffaCakes118_7936b4c5e4ea7b88180bbe02b475f4c0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mdIotS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2464	JaffaCakes118_7936b4c5e4ea7b88180bbe02b475f4c0.exe
2464	JaffaCakes118_7936b4c5e4ea7b88180bbe02b475f4c0.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 2052	2464	JaffaCakes118_7936b4c5e4ea7b88180bbe02b475f4c0.exe	31
PID 2464 wrote to memory of 2052	2464	JaffaCakes118_7936b4c5e4ea7b88180bbe02b475f4c0.exe	31
PID 2464 wrote to memory of 2052	2464	JaffaCakes118_7936b4c5e4ea7b88180bbe02b475f4c0.exe	31
PID 2464 wrote to memory of 2052	2464	JaffaCakes118_7936b4c5e4ea7b88180bbe02b475f4c0.exe	31
PID 2052 wrote to memory of 2664	2052	mdIotS.exe	33
PID 2052 wrote to memory of 2664	2052	mdIotS.exe	33
PID 2052 wrote to memory of 2664	2052	mdIotS.exe	33
PID 2052 wrote to memory of 2664	2052	mdIotS.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7936b4c5e4ea7b88180bbe02b475f4c0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7936b4c5e4ea7b88180bbe02b475f4c0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2464
- C:\Users\Admin\AppData\Local\Temp\mdIotS.exe
  C:\Users\Admin\AppData\Local\Temp\mdIotS.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\5319628f.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2664

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\5319628f.bat

Filesize
187B

MD5
44b1b110b078b9f48b1936ad7e0c39b8

SHA1
d392c421159cc4197d419658ef4eabebff9402f5

SHA256
2563de34431f7683d650587885276c9d92aaa8ebcc9a7c279cec7f790a094772

SHA512
d3878be470218aa0aa309d2f48e979afd9abe107eb846c386d9b9e33391bd0a1f787a6ed0460668515195875c07333d66d2b02f7e77de15f60f5d7540321843e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2052-12-0x0000000000F00000-0x0000000000F09000-memory.dmp

Filesize
36KB

Download
memory/2052-31-0x0000000000F00000-0x0000000000F09000-memory.dmp

Filesize
36KB

Download
memory/2464-10-0x0000000000F00000-0x0000000000F09000-memory.dmp

Filesize
36KB

Download
memory/2464-9-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2464-8-0x0000000000F00000-0x0000000000F09000-memory.dmp

Filesize
36KB

Download
memory/2464-7-0x0000000000400000-0x0000000000563000-memory.dmp

Filesize
1.4MB

Download
memory/2464-33-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2464-34-0x0000000000400000-0x0000000000563000-memory.dmp

Filesize
1.4MB

Download
memory/2464-35-0x0000000000F00000-0x0000000000F09000-memory.dmp

Filesize
36KB

Download
memory/2464-36-0x0000000000F00000-0x0000000000F09000-memory.dmp

Filesize
36KB

Download