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Analysis
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max time kernel
118s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
31/12/2024, 20:23
Static task
static1
Behavioral task
behavioral1
Sample
7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe
Resource
win7-20241010-en
General
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Target
7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe
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Size
920KB
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MD5
77b83e48cf19b621fc0c2a3c8407d250
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SHA1
ebd580c9318a8ab52465ded78419a289cdcdd3d4
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SHA256
7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627
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SHA512
69676799f6cc4a92836e68b52eecbb9939a2cf216344b0b498cd5a12ac942e1d9dd8c75c5f30cdd9ad6247f729f997c4d4f19472bb55e554aa1ee53393ed1247
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SSDEEP
24576:3RKaPH2Z4nET7PIgOLoJNlVq4YmDWG9Dsl:35PHe+O1LPlU
Malware Config
Extracted
bdaejec
ddos.dnsnb8.net
Signatures
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Bdaejec family
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Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral1/memory/2824-18-0x0000000000F50000-0x0000000000F59000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral1/files/0x000b000000012262-10.dat aspack_v212_v242 -
Executes dropped EXE 1 IoCs
pid Process 2824 HKLGBz.exe -
Loads dropped DLL 2 IoCs
pid Process 2796 7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe 2796 7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.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\setup.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jre7\bin\jp2launcher.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE HKLGBz.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jre7\bin\jabswitch.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jre7\bin\ktab.exe HKLGBz.exe File opened for modification C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe HKLGBz.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe HKLGBz.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jre7\bin\kinit.exe HKLGBz.exe File opened for modification C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe HKLGBz.exe File opened for modification C:\Program Files\Windows Journal\Journal.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE HKLGBz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jre7\bin\javaw.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE HKLGBz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\misc.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE HKLGBz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jre7\bin\servertool.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jre7\bin\tnameserv.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\sidebar.exe HKLGBz.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe HKLGBz.exe File opened for modification C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe HKLGBz.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe HKLGBz.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE HKLGBz.exe File opened for modification C:\Program Files (x86)\Windows Mail\WinMail.exe HKLGBz.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jre7\bin\java.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jre7\bin\unpack200.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE HKLGBz.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HKLGBz.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2796 wrote to memory of 2824 2796 7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe 30 PID 2796 wrote to memory of 2824 2796 7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe 30 PID 2796 wrote to memory of 2824 2796 7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe 30 PID 2796 wrote to memory of 2824 2796 7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe"C:\Users\Admin\AppData\Local\Temp\7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Users\Admin\AppData\Local\Temp\HKLGBz.exeC:\Users\Admin\AppData\Local\Temp\HKLGBz.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2824
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e