bdaejec | c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
19-01-2025 08:37

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General

Target

c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe
Size

313KB
MD5

9c3ec6b0ddfc4213212948ec3d1aeaac
SHA1

65512cd09b6bdee42ebbbe24ec7844e8a0e6c824
SHA256

c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a
SHA512

e1201809a89b8826cc19f08e872be5be5fdf10cc41aac448240e839841542ed4c18b297a76e41c999fa05a99cf346a79fcb3add22e78fcff0fb1d1db988e025d
SSDEEP

6144:7qV54oUeSsMY3j0cI8rdYEylF2EHJ8Sj6vzHrh8wDVU3wMs9ZFWW:7qV5dU7oTWKYEEF5J87vzLh8aVJS

Score

10^/10

bdaejec aspackv2 backdoor discovery upx

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/2104-12-0x0000000000C50000-0x0000000000C59000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/2104-55-0x0000000000C50000-0x0000000000C59000-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/0x000c000000012281-8.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2104	YrhAsn.exe

Loads dropped DLL 2 IoCs

pid	Process
2928	c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe
2928	c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2928-1-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral1/memory/2928-57-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral1/memory/2928-58-0x0000000000400000-0x00000000004D8000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	YrhAsn.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	YrhAsn.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	YrhAsn.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	YrhAsn.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	YrhAsn.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	YrhAsn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	YrhAsn.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	YrhAsn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	YrhAsn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	YrhAsn.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	YrhAsn.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	YrhAsn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	YrhAsn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	YrhAsn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	YrhAsn.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	YrhAsn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	YrhAsn.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	YrhAsn.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	YrhAsn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	YrhAsn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	YrhAsn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	YrhAsn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	YrhAsn.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	c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	YrhAsn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PAWN.Script\DefaultIcon	c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PAWN.Script\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe,1"	c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PAWN.Script\shell	c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PAWN.Script\shell\Open	c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.pwn	c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.pwn\ = "PAWN.Script"	c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PAWN.Script	c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PAWN.Script\shell\ = "Open"	c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PAWN.Script\shell\Open\command	c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PAWN.Script\shell\Open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe \"%1\""	c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2104	2928	c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe	30
PID 2928 wrote to memory of 2104	2928	c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe	30
PID 2928 wrote to memory of 2104	2928	c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe	30
PID 2928 wrote to memory of 2104	2928	c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe	30
PID 2104 wrote to memory of 2524	2104	YrhAsn.exe	31
PID 2104 wrote to memory of 2524	2104	YrhAsn.exe	31
PID 2104 wrote to memory of 2524	2104	YrhAsn.exe	31
PID 2104 wrote to memory of 2524	2104	YrhAsn.exe	31

C:\Users\Admin\AppData\Local\Temp\c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe
"C:\Users\Admin\AppData\Local\Temp\c5d6c0a69e5fd1c372c39dee82ab4f5ccc3c7b298a18db76f5807fb94154685a.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Users\Admin\AppData\Local\Temp\YrhAsn.exe
  C:\Users\Admin\AppData\Local\Temp\YrhAsn.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2104
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\3c201be3.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2524

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\6G4X5UFP\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\3c201be3.bat

Filesize
187B

MD5
e945b4c51df62d5aadeb5d86ad52d77d

SHA1
0416b7b147b6ebc6fa10eec6e97c9a9e7a2dab9c

SHA256
ded293520655f512d80a80822346384a27878e746751e8cca4069ce857780c14

SHA512
09441d249617a5c254b8c62abd8b6ef2595cd595dd5587c43b722c640dc273e1d6d6a9d2ea3b02eb3b2580796e8c764729029b9ad8f8842f5d6c98fce1c16d70

Download Submit
C:\Users\Admin\AppData\Local\Temp\64C569BA.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2104-12-0x0000000000C50000-0x0000000000C59000-memory.dmp

Filesize
36KB

Download
memory/2104-55-0x0000000000C50000-0x0000000000C59000-memory.dmp

Filesize
36KB

Download
memory/2928-14-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2928-4-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2928-1-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/2928-9-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2928-57-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/2928-59-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2928-58-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download