bdaejec | 34aa3f7cd0493e2a8d5258a3cbe7ee1e0c7d53e0b8549d84989cc4a5ce17386c

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21-10-2024 20:46

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General

Target

34aa3f7cd0493e2a8d5258a3cbe7ee1e0c7d53e0b8549d84989cc4a5ce17386cN.exe
Size

19KB
MD5

fa9b94d1b6fe18d76493bc486da97fa0
SHA1

d8a6b7c937eee335f5aa352b74466357b0157b3a
SHA256

34aa3f7cd0493e2a8d5258a3cbe7ee1e0c7d53e0b8549d84989cc4a5ce17386c
SHA512

3e8e7486d8adb420361ddb54ff7b9bbeec4748b0044a4a00f9e60138b87b147a21f16fde877f207bfa292bb01a850ef50444ff85104b98d6fde54952459b745d
SSDEEP

384:1FxSBXZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:UfQGPL4vzZq2o9W7GsxBbPr

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. 2 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral1/memory/3052-12-0x00000000008D0000-0x00000000008D9000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/3052-53-0x00000000008D0000-0x00000000008D9000-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/0x000a0000000120d5-8.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
3052	kwkSXa.exe

Loads dropped DLL 2 IoCs

pid	Process
3036	34aa3f7cd0493e2a8d5258a3cbe7ee1e0c7d53e0b8549d84989cc4a5ce17386cN.exe
3036	34aa3f7cd0493e2a8d5258a3cbe7ee1e0c7d53e0b8549d84989cc4a5ce17386cN.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	kwkSXa.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	kwkSXa.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	kwkSXa.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	kwkSXa.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	kwkSXa.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	kwkSXa.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	kwkSXa.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	kwkSXa.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	kwkSXa.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	kwkSXa.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3068	3036	WerFault.exe	29

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	kwkSXa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	34aa3f7cd0493e2a8d5258a3cbe7ee1e0c7d53e0b8549d84989cc4a5ce17386cN.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 3052	3036	34aa3f7cd0493e2a8d5258a3cbe7ee1e0c7d53e0b8549d84989cc4a5ce17386cN.exe	30
PID 3036 wrote to memory of 3052	3036	34aa3f7cd0493e2a8d5258a3cbe7ee1e0c7d53e0b8549d84989cc4a5ce17386cN.exe	30
PID 3036 wrote to memory of 3052	3036	34aa3f7cd0493e2a8d5258a3cbe7ee1e0c7d53e0b8549d84989cc4a5ce17386cN.exe	30
PID 3036 wrote to memory of 3052	3036	34aa3f7cd0493e2a8d5258a3cbe7ee1e0c7d53e0b8549d84989cc4a5ce17386cN.exe	30
PID 3052 wrote to memory of 1944	3052	kwkSXa.exe	32
PID 3052 wrote to memory of 1944	3052	kwkSXa.exe	32
PID 3052 wrote to memory of 1944	3052	kwkSXa.exe	32
PID 3052 wrote to memory of 1944	3052	kwkSXa.exe	32
PID 3036 wrote to memory of 3068	3036	34aa3f7cd0493e2a8d5258a3cbe7ee1e0c7d53e0b8549d84989cc4a5ce17386cN.exe	34
PID 3036 wrote to memory of 3068	3036	34aa3f7cd0493e2a8d5258a3cbe7ee1e0c7d53e0b8549d84989cc4a5ce17386cN.exe	34
PID 3036 wrote to memory of 3068	3036	34aa3f7cd0493e2a8d5258a3cbe7ee1e0c7d53e0b8549d84989cc4a5ce17386cN.exe	34
PID 3036 wrote to memory of 3068	3036	34aa3f7cd0493e2a8d5258a3cbe7ee1e0c7d53e0b8549d84989cc4a5ce17386cN.exe	34

C:\Users\Admin\AppData\Local\Temp\34aa3f7cd0493e2a8d5258a3cbe7ee1e0c7d53e0b8549d84989cc4a5ce17386cN.exe
"C:\Users\Admin\AppData\Local\Temp\34aa3f7cd0493e2a8d5258a3cbe7ee1e0c7d53e0b8549d84989cc4a5ce17386cN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Users\Admin\AppData\Local\Temp\kwkSXa.exe
  C:\Users\Admin\AppData\Local\Temp\kwkSXa.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3052
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\7d070b87.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1944
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 204
  2⤵
  - Program crash
  PID:3068

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\LPQ313RR\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\2FB47D73.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7d070b87.bat

Filesize
187B

MD5
1263d42bc0106fbe96e2a32d793174d6

SHA1
639b7b3421b3cb62b671e89ccd3284dcb6b9341a

SHA256
89dd621d107588ddf0399b8f48bbb3324f4932a42346b0ed5f79c3d3a091a2b5

SHA512
bb6113572b8698ac86cbd66e7f3ced3ed9d1f3a6c3aa53f40e0e99ce65262cb58f694c0b12cc8a2df5f928e8eea97a10d8b6bc23d26f9f6a07909d5b374f2077

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3036-0-0x0000000001000000-0x0000000001008000-memory.dmp

Filesize
32KB

Download
memory/3036-11-0x00000000008D0000-0x00000000008D9000-memory.dmp

Filesize
36KB

Download
memory/3036-10-0x00000000008D0000-0x00000000008D9000-memory.dmp

Filesize
36KB

Download
memory/3036-55-0x0000000001000000-0x0000000001008000-memory.dmp

Filesize
32KB

Download
memory/3036-56-0x00000000008D0000-0x00000000008D9000-memory.dmp

Filesize
36KB

Download
memory/3052-12-0x00000000008D0000-0x00000000008D9000-memory.dmp

Filesize
36KB

Download
memory/3052-53-0x00000000008D0000-0x00000000008D9000-memory.dmp

Filesize
36KB

Download