bdaejec | 535a1981f7a3cae68df3ee1fa7569e93ef3497f2e26c81e4638bfdffa06b738e

General

Target

535a1981f7a3cae68df3ee1fa7569e93ef3497f2e26c81e4638bfdffa06b738e.exe
Size

80KB
MD5

37b63a9aa08a645d62157eaffd5e817f
SHA1

040df34f8ae271f22c894ad1f328017697d43584
SHA256

535a1981f7a3cae68df3ee1fa7569e93ef3497f2e26c81e4638bfdffa06b738e
SHA512

781710122eef555a2507b909561d52b8fe40670226522e87b0cfb6cc68f6aa97739558351319ad04bf7dc3236f37dc28a9a80ac5e26e8897060a6fb46a6b06dc
SSDEEP

1536:fHB0UxMkzOt7HcvJGt5AdHIOWnToIf12ZXPGCq2iW7z:fhAWJGSCTBf12ZfGCH

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/2816-36-0x0000000001250000-0x0000000001259000-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\Rlqn.exe	aspack_v212_v242

Executes dropped EXE 1 IoCs

Processes:

Rlqn.exe

pid process

2816 Rlqn.exe

pid	process
2816	Rlqn.exe

Loads dropped DLL 2 IoCs

Processes:

535a1981f7a3cae68df3ee1fa7569e93ef3497f2e26c81e4638bfdffa06b738e.exe

pid	process
2756	535a1981f7a3cae68df3ee1fa7569e93ef3497f2e26c81e4638bfdffa06b738e.exe
2756	535a1981f7a3cae68df3ee1fa7569e93ef3497f2e26c81e4638bfdffa06b738e.exe

Drops file in Program Files directory 64 IoCs

Processes:

Rlqn.exe

description	ioc	process
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	Rlqn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	Rlqn.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	Rlqn.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	Rlqn.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	Rlqn.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	Rlqn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	Rlqn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	Rlqn.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	Rlqn.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	Rlqn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	Rlqn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	Rlqn.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:

535a1981f7a3cae68df3ee1fa7569e93ef3497f2e26c81e4638bfdffa06b738e.exeRlqn.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	535a1981f7a3cae68df3ee1fa7569e93ef3497f2e26c81e4638bfdffa06b738e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Rlqn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

535a1981f7a3cae68df3ee1fa7569e93ef3497f2e26c81e4638bfdffa06b738e.exeRlqn.exe

description	pid	process	target process
PID 2756 wrote to memory of 2816	2756	535a1981f7a3cae68df3ee1fa7569e93ef3497f2e26c81e4638bfdffa06b738e.exe	Rlqn.exe
PID 2756 wrote to memory of 2816	2756	535a1981f7a3cae68df3ee1fa7569e93ef3497f2e26c81e4638bfdffa06b738e.exe	Rlqn.exe
PID 2756 wrote to memory of 2816	2756	535a1981f7a3cae68df3ee1fa7569e93ef3497f2e26c81e4638bfdffa06b738e.exe	Rlqn.exe
PID 2756 wrote to memory of 2816	2756	535a1981f7a3cae68df3ee1fa7569e93ef3497f2e26c81e4638bfdffa06b738e.exe	Rlqn.exe
PID 2816 wrote to memory of 2672	2816	Rlqn.exe	cmd.exe
PID 2816 wrote to memory of 2672	2816	Rlqn.exe	cmd.exe
PID 2816 wrote to memory of 2672	2816	Rlqn.exe	cmd.exe
PID 2816 wrote to memory of 2672	2816	Rlqn.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\535a1981f7a3cae68df3ee1fa7569e93ef3497f2e26c81e4638bfdffa06b738e.exe
"C:\Users\Admin\AppData\Local\Temp\535a1981f7a3cae68df3ee1fa7569e93ef3497f2e26c81e4638bfdffa06b738e.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\Rlqn.exe
  C:\Users\Admin\AppData\Local\Temp\Rlqn.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\08053956.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2672

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\Microsoft\Windows\Temporary Internet Files\Content.IE5\BQQODH7V\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\08053956.bat

Filesize
183B

MD5
feeee65abe9bf889bca288897e5501e9

SHA1
3efcb76bbd40ad6cfce69d151fb32114edb49757

SHA256
b54681390911c04b5a1a7e235cd3a870344f2de25667d50affb139ef02f9ecb9

SHA512
9780262dd5adbf0263a50e9ac8822f9ef9534ce31420fc5c2dc5a794693cefe1aa7c3d5b6ab85b38e7acfa7705f72761e2bd9738ae16c2a2389ebe1a49a7ba36

Download Submit
C:\Users\Admin\AppData\Local\Temp\4EEE07ED.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2756-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2756-11-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2756-9-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2756-38-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2756-39-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2816-10-0x0000000001250000-0x0000000001259000-memory.dmp

Filesize
36KB

Download
memory/2816-36-0x0000000001250000-0x0000000001259000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads