bdaejec | 2044f5b3d1fea1ae395ce733f5bebca50319ee4a28e804276e9a28c04765c29e

General

Target

2044f5b3d1fea1ae395ce733f5bebca50319ee4a28e804276e9a28c04765c29eN.exe
Size

60KB
MD5

58a19a9a0aa6b43144aa8b164317b820
SHA1

a49b9026ea435898d498d620169993861d3b1919
SHA256

2044f5b3d1fea1ae395ce733f5bebca50319ee4a28e804276e9a28c04765c29e
SHA512

8a2ade5d299047df99c1792042e9d70b65d607f7adb521302d0a607725b3a838534c741af00197d43375304243e4c5537405b36df5d94c93526296ae77f871bf
SSDEEP

768:ya1qGZIyiZjaflAkOCpwjWviZKB7JD6gK2QGPL4vzZq2o9W7GsxBbPr:ya1jZCZj83Hpwav4KDDRqGCq2iW7z

Score

10^/10

bdaejec aspackv2 backdoor discovery

Malware Config

Extracted

Family

bdaejec

C2

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++.

Processes:

resource	yara_rule
behavioral1/memory/2872-34-0x0000000000B30000-0x0000000000B39000-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
\Users\Admin\AppData\Local\Temp\MRBFXKM.exe	aspack_v212_v242

Executes dropped EXE 1 IoCs

Processes:

MRBFXKM.exe

pid process

2872 MRBFXKM.exe

pid	process
2872	MRBFXKM.exe

Loads dropped DLL 2 IoCs

Processes:

2044f5b3d1fea1ae395ce733f5bebca50319ee4a28e804276e9a28c04765c29eN.exe

pid	process
2252	2044f5b3d1fea1ae395ce733f5bebca50319ee4a28e804276e9a28c04765c29eN.exe
2252	2044f5b3d1fea1ae395ce733f5bebca50319ee4a28e804276e9a28c04765c29eN.exe

Drops file in Program Files directory 64 IoCs

Processes:

MRBFXKM.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	MRBFXKM.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	MRBFXKM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	MRBFXKM.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	MRBFXKM.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	MRBFXKM.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:

MRBFXKM.execmd.exe2044f5b3d1fea1ae395ce733f5bebca50319ee4a28e804276e9a28c04765c29eN.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MRBFXKM.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2044f5b3d1fea1ae395ce733f5bebca50319ee4a28e804276e9a28c04765c29eN.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2044f5b3d1fea1ae395ce733f5bebca50319ee4a28e804276e9a28c04765c29eN.exeMRBFXKM.exe

description	pid	process	target process
PID 2252 wrote to memory of 2872	2252	2044f5b3d1fea1ae395ce733f5bebca50319ee4a28e804276e9a28c04765c29eN.exe	MRBFXKM.exe
PID 2252 wrote to memory of 2872	2252	2044f5b3d1fea1ae395ce733f5bebca50319ee4a28e804276e9a28c04765c29eN.exe	MRBFXKM.exe
PID 2252 wrote to memory of 2872	2252	2044f5b3d1fea1ae395ce733f5bebca50319ee4a28e804276e9a28c04765c29eN.exe	MRBFXKM.exe
PID 2252 wrote to memory of 2872	2252	2044f5b3d1fea1ae395ce733f5bebca50319ee4a28e804276e9a28c04765c29eN.exe	MRBFXKM.exe
PID 2872 wrote to memory of 2724	2872	MRBFXKM.exe	cmd.exe
PID 2872 wrote to memory of 2724	2872	MRBFXKM.exe	cmd.exe
PID 2872 wrote to memory of 2724	2872	MRBFXKM.exe	cmd.exe
PID 2872 wrote to memory of 2724	2872	MRBFXKM.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\2044f5b3d1fea1ae395ce733f5bebca50319ee4a28e804276e9a28c04765c29eN.exe
"C:\Users\Admin\AppData\Local\Temp\2044f5b3d1fea1ae395ce733f5bebca50319ee4a28e804276e9a28c04765c29eN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Users\Admin\AppData\Local\Temp\MRBFXKM.exe
  C:\Users\Admin\AppData\Local\Temp\MRBFXKM.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\2f861286.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\29DE077F.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\2f861286.bat

Filesize
189B

MD5
0411fcc23b2a51f057c75f84fec7aeb9

SHA1
8c432dede4a4858e2b576eda2c546c24b5efd2af

SHA256
92fb584ee7549c6047bc7fd41135bfc2badddc12c810934478ec5f2b6b380499

SHA512
e5a2b2a55c99f1c284d1dda86aa3966309d15683a86d1e5c5292c09bf4903629955c3a77071d4f9556a4d2e33760d936ead41e67401bd2140ec0ea8a4d7c41f5

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2252-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2252-8-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2872-10-0x0000000000B30000-0x0000000000B39000-memory.dmp

Filesize
36KB

Download
memory/2872-34-0x0000000000B30000-0x0000000000B39000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads