bdaejec | e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 05:06

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General

Target

e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe
Size

1.8MB
MD5

4f3029ca93d4ea7f146fb4e255742ace
SHA1

319528d2bdc847aa60f8d39450bfd1ac7b90108a
SHA256

e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2
SHA512

a0f069f6d33895838f20bf2939d5a4ea365541c15504b31fd47ffefd6a7e55ff047a1d95cf0aca1e8a84f9ee240beafd7e1a3f52a577224cfd5c79d03216952b
SSDEEP

49152:QyQpzmWZkUV4EYuRkRxuZ0+4uEiyoryKlrSgfJgwY2l2+PAA2aKUl87j+:ezmWZk+4iRkmZ0+4uEiyor9lrbfJx6Aj

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++.

Processes:

resource	yara_rule
behavioral1/memory/2268-54-0x0000000000A60000-0x0000000000A69000-memory.dmp	family_bdaejec_backdoor

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
behavioral1/files/0x0008000000012117-6.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

Processes:

osL.exe

pid	Process
2268	osL.exe

Loads dropped DLL 2 IoCs

Processes:

e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe

pid	Process
2916	e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe
2916	e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe

Drops file in Program Files directory 64 IoCs

Processes:

osL.exe

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	osL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	osL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	osL.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	osL.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	osL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	osL.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	osL.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	osL.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	osL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	osL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	osL.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	osL.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	osL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	osL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	osL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	osL.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	osL.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	osL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	osL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	osL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	osL.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	osL.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	osL.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	osL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	osL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	osL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	osL.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	osL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	osL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	osL.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

Processes:

e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exeosL.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	osL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe

pid	Process
2916	e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe
2916	e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exeosL.exe

description	pid	Process	procid_target
PID 2916 wrote to memory of 2268	2916	e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe	30
PID 2916 wrote to memory of 2268	2916	e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe	30
PID 2916 wrote to memory of 2268	2916	e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe	30
PID 2916 wrote to memory of 2268	2916	e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe	30
PID 2268 wrote to memory of 3036	2268	osL.exe	33
PID 2268 wrote to memory of 3036	2268	osL.exe	33
PID 2268 wrote to memory of 3036	2268	osL.exe	33
PID 2268 wrote to memory of 3036	2268	osL.exe	33

C:\Users\Admin\AppData\Local\Temp\e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe
"C:\Users\Admin\AppData\Local\Temp\e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Users\Admin\AppData\Local\Temp\osL.exe
  C:\Users\Admin\AppData\Local\Temp\osL.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2268
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\43261817.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3036

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\05AF4DA0.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\43261817.bat

Filesize
181B

MD5
9e228a79a3e34a45b5ba679dacc6076d

SHA1
4d992c55e0728d2b01b02a0be3a961c546bf0e95

SHA256
cc7e447f356e6d1ed76923fcd36ddc2c4f28e8d8684aa3fec299595489dc6d1c

SHA512
0dced54dbfbc7d79d5d81e6b2691fb41205fb5f9027aa7bcaadac3f1b8323fcf439508ef55b26d64cbf2549ac2fd8f9b2fa5a479334b3de67e3155bc4ae84e54

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2268-11-0x0000000000A60000-0x0000000000A69000-memory.dmp

Filesize
36KB

Download
memory/2268-54-0x0000000000A60000-0x0000000000A69000-memory.dmp

Filesize
36KB

Download
memory/2916-9-0x0000000000A60000-0x0000000000A69000-memory.dmp

Filesize
36KB

Download
memory/2916-8-0x0000000000A60000-0x0000000000A69000-memory.dmp

Filesize
36KB

Download
memory/2916-7-0x0000000001160000-0x000000000132E000-memory.dmp

Filesize
1.8MB

Download
memory/2916-56-0x0000000001160000-0x000000000132E000-memory.dmp

Filesize
1.8MB

Download
memory/2916-57-0x0000000000A60000-0x0000000000A69000-memory.dmp

Filesize
36KB

Download
memory/2916-58-0x0000000000A60000-0x0000000000A69000-memory.dmp

Filesize
36KB

Download