bdaejec | 85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 01:55

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General

Target

85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe
Size

650KB
MD5

314176bf315abcbae8afc29fc14df090
SHA1

b4e8f59057e2caba1c466be018fd0b8df0f4a91a
SHA256

85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48
SHA512

6ebb25e3edff4b000e52bb83c1d23e6ac2afebba7ea7baca4eb2cfbcdf57e3044ab2c1ef0f1baa4692500ffe0d70a0c08c97e4fad8d9c623e6d43d9380d3b7a8
SSDEEP

12288:RhMrzivePPYQmwPJKoXc8SM64DNRoXPirgSKzuq:jMHivMPUgSp4DNv0x

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

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral1/memory/1496-59-0x00000000010A0000-0x00000000010A9000-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/0x00080000000120fd-16.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1496	gYhVsE.exe

Loads dropped DLL 5 IoCs

pid	Process
2552	85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe
2552	85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe
1496	gYhVsE.exe
1496	gYhVsE.exe
1496	gYhVsE.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	gYhVsE.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	gYhVsE.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{0AC99519-0FE0-4797-A0D6-2C21B93D4350}\chrome_installer.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	gYhVsE.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	gYhVsE.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	gYhVsE.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	gYhVsE.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	85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gYhVsE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 1496	2552	85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe	30
PID 2552 wrote to memory of 1496	2552	85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe	30
PID 2552 wrote to memory of 1496	2552	85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe	30
PID 2552 wrote to memory of 1496	2552	85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe	30
PID 2552 wrote to memory of 1496	2552	85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe	30
PID 2552 wrote to memory of 1496	2552	85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe	30
PID 2552 wrote to memory of 1496	2552	85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe	30
PID 1496 wrote to memory of 2632	1496	gYhVsE.exe	31
PID 1496 wrote to memory of 2632	1496	gYhVsE.exe	31
PID 1496 wrote to memory of 2632	1496	gYhVsE.exe	31
PID 1496 wrote to memory of 2632	1496	gYhVsE.exe	31
PID 1496 wrote to memory of 2632	1496	gYhVsE.exe	31
PID 1496 wrote to memory of 2632	1496	gYhVsE.exe	31
PID 1496 wrote to memory of 2632	1496	gYhVsE.exe	31

C:\Users\Admin\AppData\Local\Temp\85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe
"C:\Users\Admin\AppData\Local\Temp\85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Users\Admin\AppData\Local\Temp\gYhVsE.exe
  C:\Users\Admin\AppData\Local\Temp\gYhVsE.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1496
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\0fbe5cff.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2632

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\Microsoft\Windows\Temporary Internet Files\Content.IE5\LW44N8OS\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0fbe5cff.bat

Filesize
187B

MD5
aff87bb1ed9506d6cd372ab0608585a5

SHA1
9496cb0b369aac5f1a96ac153c752e5e713f0acf

SHA256
2632721eff410d1ac5f8e170b771cc18dbaf831dad96a0f1ac186e3751a1cb84

SHA512
7737d07bafcd636182c4e45020c80e85f27da080e81cb07cfe5217ef8cb1f095728b5a92a525f41c7b693b06f6f9dc792a2879450177c67a9345448ad8acc5e6

Download Submit
C:\Users\Admin\AppData\Local\Temp\38BD53D8.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1496-12-0x00000000010A0000-0x00000000010A9000-memory.dmp

Filesize
36KB

Download
memory/1496-17-0x00000000010A6000-0x00000000010A7000-memory.dmp

Filesize
4KB

Download
memory/1496-59-0x00000000010A0000-0x00000000010A9000-memory.dmp

Filesize
36KB

Download
memory/2552-0-0x00000000010C0000-0x0000000001169000-memory.dmp

Filesize
676KB

Download
memory/2552-2-0x0000000000190000-0x0000000000239000-memory.dmp

Filesize
676KB

Download
memory/2552-10-0x00000000010A0000-0x00000000010A9000-memory.dmp

Filesize
36KB

Download
memory/2552-9-0x00000000010A0000-0x00000000010A9000-memory.dmp

Filesize
36KB

Download
memory/2552-19-0x00000000010C0000-0x0000000001169000-memory.dmp

Filesize
676KB

Download