bdaejec | c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-02-2025 09:47

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General

Target

c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe
Size

1.7MB
MD5

f6ff1a3c10c0ea4619aedaa9863f8922
SHA1

16d4a85de3e561273e91496d166f1512bc15dddd
SHA256

c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2
SHA512

5b8ac5b939f4892bc51d0e9556dee1faeb50d3b9dbd94d5f61760e670ca78de294b673edbcf78870eeba2593280a29a1f26ccd4e68de895743a99eedf5497dad
SSDEEP

24576:Ckj+rIlGHibOR0UM7y8r1kJIhqEI8+2HCEToyD4Echprrm0lwE13/TQcKbWh:CkqrfiLBjE98T74EcajK/T/KbW

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
Bdaejec family
bdaejec

Detects Bdaejec Backdoor. 2 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral1/memory/3040-12-0x0000000000860000-0x0000000000869000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/3040-38-0x0000000000860000-0x0000000000869000-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/0x000b0000000120f6-1.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
3040	kBflrj.exe

Loads dropped DLL 2 IoCs

pid	Process
3068	c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe
3068	c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	kBflrj.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	kBflrj.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	kBflrj.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	kBflrj.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	kBflrj.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	kBflrj.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	kBflrj.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	kBflrj.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	kBflrj.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{FC37790F-E395-416A-A1A1-53BC987E89B4}\chrome_installer.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	kBflrj.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	kBflrj.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kBflrj.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3068	c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3068	c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 3040	3068	c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe	28
PID 3068 wrote to memory of 3040	3068	c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe	28
PID 3068 wrote to memory of 3040	3068	c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe	28
PID 3068 wrote to memory of 3040	3068	c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe	28
PID 3040 wrote to memory of 2964	3040	kBflrj.exe	30
PID 3040 wrote to memory of 2964	3040	kBflrj.exe	30
PID 3040 wrote to memory of 2964	3040	kBflrj.exe	30
PID 3040 wrote to memory of 2964	3040	kBflrj.exe	30

C:\Users\Admin\AppData\Local\Temp\c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe
"C:\Users\Admin\AppData\Local\Temp\c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Users\Admin\AppData\Local\Temp\kBflrj.exe
  C:\Users\Admin\AppData\Local\Temp\kBflrj.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3040
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\261c2436.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2964

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\7CNUR30T\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0A876571.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\261c2436.bat

Filesize
187B

MD5
6ea3edef60ce057f6a9fc9ce3fe8d02e

SHA1
bc423a98af6216c17af42761132d827b742c5eee

SHA256
606c7cb29b40221aae1679a9c8340d07f7111d06615e8eea6c591e6c06f0a0a9

SHA512
e4464db71d2a86e53913fc031e02e7b4e2abc65a0c7ec3d1cef0361b0f53c188b2a2305c60bded674417b290022765fd4ad5683c35d4e1f8cf408b78099a498c

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3040-12-0x0000000000860000-0x0000000000869000-memory.dmp

Filesize
36KB

Download
memory/3040-38-0x0000000000860000-0x0000000000869000-memory.dmp

Filesize
36KB

Download
memory/3068-14-0x0000000001160000-0x000000000116A000-memory.dmp

Filesize
40KB

Download
memory/3068-36-0x0000000001160000-0x000000000116A000-memory.dmp

Filesize
40KB

Download
memory/3068-16-0x0000000001160000-0x000000000116A000-memory.dmp

Filesize
40KB

Download
memory/3068-15-0x0000000001160000-0x000000000116A000-memory.dmp

Filesize
40KB

Download
memory/3068-19-0x0000000001160000-0x000000000116A000-memory.dmp

Filesize
40KB

Download
memory/3068-17-0x0000000001160000-0x000000000116A000-memory.dmp

Filesize
40KB

Download
memory/3068-33-0x0000000000400000-0x0000000000C5A000-memory.dmp

Filesize
8.4MB

Download
memory/3068-34-0x0000000001160000-0x000000000116A000-memory.dmp

Filesize
40KB

Download
memory/3068-37-0x0000000001160000-0x000000000116A000-memory.dmp

Filesize
40KB

Download
memory/3068-18-0x0000000001160000-0x000000000116A000-memory.dmp

Filesize
40KB

Download
memory/3068-35-0x0000000001160000-0x000000000116A000-memory.dmp

Filesize
40KB

Download
memory/3068-9-0x0000000000400000-0x0000000000C5A000-memory.dmp

Filesize
8.4MB

Download
memory/3068-39-0x0000000001160000-0x000000000116A000-memory.dmp

Filesize
40KB

Download
memory/3068-40-0x0000000001160000-0x000000000116A000-memory.dmp

Filesize
40KB

Download
memory/3068-11-0x0000000000130000-0x0000000000139000-memory.dmp

Filesize
36KB

Download
memory/3068-13-0x0000000000130000-0x0000000000139000-memory.dmp

Filesize
36KB

Download
memory/3068-64-0x0000000000130000-0x0000000000139000-memory.dmp

Filesize
36KB

Download