bdaejec | 97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 04:57

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General

Target

97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749.exe
Size

80KB
MD5

cd8c507ee0b2c50fec1b243a74817017
SHA1

6a8626380b5fc561b7d22f55e93a7523fb8b9a71
SHA256

97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749
SHA512

e6f84f376d285c5c8ba6c6e623e58d7ed4d9f4bbf833e050b9dee59910c863bfeef0bc0c9f3e351ed4737038cedbe774a9e98483f30a02856186058f5b3e1640
SSDEEP

1536:Yg/6/tM8NXDjPX0QWlfGMckTQ3BGCq2iW7z:Hk3U8kTQRGCH

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/2904-54-0x00000000008A0000-0x00000000008A9000-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/0x0009000000012117-5.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2904	lwo.exe

Loads dropped DLL 2 IoCs

pid	Process
2280	97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749.exe
2280	97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	lwo.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	lwo.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	lwo.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	lwo.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	lwo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	lwo.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	lwo.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	lwo.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	lwo.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	lwo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	lwo.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	lwo.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	lwo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	lwo.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	lwo.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	lwo.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	lwo.exe
File opened for modification	C:\Program Files\ReadBlock.exe	lwo.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	lwo.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	lwo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	lwo.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\sidebar.exe	lwo.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	lwo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2904	2280	97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749.exe	30
PID 2280 wrote to memory of 2904	2280	97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749.exe	30
PID 2280 wrote to memory of 2904	2280	97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749.exe	30
PID 2280 wrote to memory of 2904	2280	97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749.exe	30
PID 2904 wrote to memory of 2668	2904	lwo.exe	32
PID 2904 wrote to memory of 2668	2904	lwo.exe	32
PID 2904 wrote to memory of 2668	2904	lwo.exe	32
PID 2904 wrote to memory of 2668	2904	lwo.exe	32

C:\Users\Admin\AppData\Local\Temp\97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749.exe
"C:\Users\Admin\AppData\Local\Temp\97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Users\Admin\AppData\Local\Temp\lwo.exe
  C:\Users\Admin\AppData\Local\Temp\lwo.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2904
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\739c4636.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2668

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\7CNUR30T\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\129218FA.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\739c4636.bat

Filesize
181B

MD5
4e54ad285a074c50ef1ad70050a27b8e

SHA1
1e0405aa48c27a1a3285d0031e0433fdfc8fd196

SHA256
e100368ae1688cfbd254e7f5361e19b9dec4c6abe13aa15cffa59ac2fa6e9dac

SHA512
b74a8d5fb65a2c645977919a54627c0ead50536e1b53668bbd637593e4e9fa83afaa5e3129e29a8a8bab4ba16e704acc9299ff10d3f8d0746ac15508ade2c013

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2280-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2280-6-0x00000000008A0000-0x00000000008A9000-memory.dmp

Filesize
36KB

Download
memory/2280-4-0x00000000008A0000-0x00000000008A9000-memory.dmp

Filesize
36KB

Download
memory/2280-11-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2904-54-0x00000000008A0000-0x00000000008A9000-memory.dmp

Filesize
36KB

Download