bdaejec | c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2

Analysis

max time kernel
64s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02/11/2024, 22:02

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General

Target

c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2N.exe
Size

80KB
MD5

144cfb18e4f6c0f5167b6d3223826370
SHA1

e93f4b5be2a7009fa1e39b13cdf13fc93d241a84
SHA256

c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2
SHA512

5646a6c6323698f98bea1a7b437fac8512b6c2ba817ef0d7e7ce3c8e259e208e90d5271796fe3f42ada63aad4306d23ef1b89ed634c9e835c668edc8e74601d4
SSDEEP

1536:2HB0UxMkzOt7HcvJGt5AdHIOWnToIf12ZqlGCq2iW7z:2hAWJGSCTBf12ZqGCH

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/2816-12-0x00000000011C0000-0x00000000011C9000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/2816-54-0x00000000011C0000-0x00000000011C9000-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/0x000c000000012266-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2816	CeHfbB.exe

Loads dropped DLL 2 IoCs

pid	Process
1680	c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2N.exe
1680	c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2N.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\unpack200.exe	CeHfbB.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	CeHfbB.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	CeHfbB.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{C3A4D3BC-D67A-4D2A-B0ED-B4E62D27E02C}\chrome_installer.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	CeHfbB.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	CeHfbB.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	c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CeHfbB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2816	1680	c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2N.exe	30
PID 1680 wrote to memory of 2816	1680	c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2N.exe	30
PID 1680 wrote to memory of 2816	1680	c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2N.exe	30
PID 1680 wrote to memory of 2816	1680	c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2N.exe	30
PID 2816 wrote to memory of 2704	2816	CeHfbB.exe	31
PID 2816 wrote to memory of 2704	2816	CeHfbB.exe	31
PID 2816 wrote to memory of 2704	2816	CeHfbB.exe	31
PID 2816 wrote to memory of 2704	2816	CeHfbB.exe	31

C:\Users\Admin\AppData\Local\Temp\c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2N.exe
"C:\Users\Admin\AppData\Local\Temp\c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Users\Admin\AppData\Local\Temp\CeHfbB.exe
  C:\Users\Admin\AppData\Local\Temp\CeHfbB.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\5e71212b.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2704

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\Temp\453F0B7D.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\5e71212b.bat

Filesize
187B

MD5
28b185a8a1212568f4971a761ff43ea9

SHA1
168e323291e2926bd5e280ba8874147b368f5280

SHA256
d1f2be7cff7835a23bde95e842570bd381fc5382a3a22116dfba4a478395721b

SHA512
5ca3c67353c5aee187bacc002594dd25f3844fb4bdfbc92ca52d01c3b1a480cf2ca42902c42db25740397bd738c9a3408f96a1c712bc7af8d82bcebe7df4e152

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1680-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1680-9-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/1680-8-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/1680-56-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1680-57-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2816-12-0x00000000011C0000-0x00000000011C9000-memory.dmp

Filesize
36KB

Download
memory/2816-54-0x00000000011C0000-0x00000000011C9000-memory.dmp

Filesize
36KB

Download