bdaejec | da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-10-2024 06:17

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General

Target

da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe
Size

52KB
MD5

b900e9796b2c23cc9f7a976916fd7244
SHA1

3c2f2c12b08be97082fab3c7599d2993789cd222
SHA256

da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07
SHA512

502603f4042f59977465abe1ca43c0b551ab636eed998e1a641822bb0c31bfca71e6a2464a7ec476fd2d278c1bf6c426170c5ce1247d87afdc21342c731dc291
SSDEEP

768:QVMe3Vk9haLNFZ131W8g/78QGPL4vzZq2o9W7GsxBbPr:uMASiLNFZdO/7fGCq2iW7z

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++.

resource	yara_rule
behavioral1/memory/2904-41-0x00000000013E0000-0x00000000013E9000-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/0x00080000000120ff-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2904	bOWKzr.exe

Loads dropped DLL 5 IoCs

pid	Process
2748	da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe
2748	da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe
2904	bOWKzr.exe
2904	bOWKzr.exe
2904	bOWKzr.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\7z.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	bOWKzr.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	bOWKzr.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	bOWKzr.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	bOWKzr.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	bOWKzr.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	da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bOWKzr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 2904	2748	da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe	30
PID 2748 wrote to memory of 2904	2748	da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe	30
PID 2748 wrote to memory of 2904	2748	da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe	30
PID 2748 wrote to memory of 2904	2748	da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe	30
PID 2748 wrote to memory of 2904	2748	da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe	30
PID 2748 wrote to memory of 2904	2748	da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe	30
PID 2748 wrote to memory of 2904	2748	da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe	30
PID 2904 wrote to memory of 896	2904	bOWKzr.exe	31
PID 2904 wrote to memory of 896	2904	bOWKzr.exe	31
PID 2904 wrote to memory of 896	2904	bOWKzr.exe	31
PID 2904 wrote to memory of 896	2904	bOWKzr.exe	31
PID 2904 wrote to memory of 896	2904	bOWKzr.exe	31
PID 2904 wrote to memory of 896	2904	bOWKzr.exe	31
PID 2904 wrote to memory of 896	2904	bOWKzr.exe	31

C:\Users\Admin\AppData\Local\Temp\da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe
"C:\Users\Admin\AppData\Local\Temp\da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Users\Admin\AppData\Local\Temp\bOWKzr.exe
  C:\Users\Admin\AppData\Local\Temp\bOWKzr.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - 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\59043a2d.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:896

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\MPUI9R2R\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\59043a2d.bat

Filesize
187B

MD5
7b72a8b6fe3e2a32cd1d876aecdc9a07

SHA1
f34ce9f6483367cb5d1eb726759284b845077bda

SHA256
e3dc8f25cf71ac87cd25cdec7360eebc0b95ab0b8ef931921d1be6223a0343eb

SHA512
0ad787648c56fac0758b2151e40eeb4d5b99b7b3268d9d779c849e52ee9bd858728913c6d3b449010a7cae6ea5b2deefc59fe8244af5f8dccc946b51a63c4dc3

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2748-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2748-6-0x0000000000190000-0x0000000000199000-memory.dmp

Filesize
36KB

Download
memory/2748-5-0x0000000000020000-0x000000000002D000-memory.dmp

Filesize
52KB

Download
memory/2748-4-0x0000000000020000-0x000000000002D000-memory.dmp

Filesize
52KB

Download
memory/2748-18-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2904-16-0x00000000013E6000-0x00000000013E7000-memory.dmp

Filesize
4KB

Download
memory/2904-41-0x00000000013E0000-0x00000000013E9000-memory.dmp

Filesize
36KB

Download