bdaejec | aeff60416fa6271e291300921a7ceb9f864f0b8c2aa84c167059040b054b4115

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 06:35

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General

Target

aeff60416fa6271e291300921a7ceb9f864f0b8c2aa84c167059040b054b4115.exe
Size

80KB
MD5

8c3b864939b23e25801ec014d82dd16e
SHA1

b46ae79f95f2ac185524dfa5c0e6f85a030145d0
SHA256

aeff60416fa6271e291300921a7ceb9f864f0b8c2aa84c167059040b054b4115
SHA512

e772396e8b09ddea1aa2cc57433d7920c5f281851ae752a2c80835ee5db40baeab124b8ccb26dfd21ec950f24327b06fe28ed9eefedf09a946d08543ed186036
SSDEEP

1536:/JvJnBpwdaMIOOnToIfiV6pdQCOGCq2iW7z:/JvxKaCqTBfioopGCH

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. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral1/memory/2156-42-0x0000000000F50000-0x0000000000F59000-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
2156	CsMwrgIB.exe

Loads dropped DLL 2 IoCs

pid	Process
3008	aeff60416fa6271e291300921a7ceb9f864f0b8c2aa84c167059040b054b4115.exe
3008	aeff60416fa6271e291300921a7ceb9f864f0b8c2aa84c167059040b054b4115.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	CsMwrgIB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	CsMwrgIB.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{FC37790F-E395-416A-A1A1-53BC987E89B4}\chrome_installer.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	CsMwrgIB.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	CsMwrgIB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	CsMwrgIB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	CsMwrgIB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	CsMwrgIB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	CsMwrgIB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	CsMwrgIB.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	aeff60416fa6271e291300921a7ceb9f864f0b8c2aa84c167059040b054b4115.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CsMwrgIB.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 2156	3008	aeff60416fa6271e291300921a7ceb9f864f0b8c2aa84c167059040b054b4115.exe	31
PID 3008 wrote to memory of 2156	3008	aeff60416fa6271e291300921a7ceb9f864f0b8c2aa84c167059040b054b4115.exe	31
PID 3008 wrote to memory of 2156	3008	aeff60416fa6271e291300921a7ceb9f864f0b8c2aa84c167059040b054b4115.exe	31
PID 3008 wrote to memory of 2156	3008	aeff60416fa6271e291300921a7ceb9f864f0b8c2aa84c167059040b054b4115.exe	31
PID 2156 wrote to memory of 2824	2156	CsMwrgIB.exe	33
PID 2156 wrote to memory of 2824	2156	CsMwrgIB.exe	33
PID 2156 wrote to memory of 2824	2156	CsMwrgIB.exe	33
PID 2156 wrote to memory of 2824	2156	CsMwrgIB.exe	33

C:\Users\Admin\AppData\Local\Temp\aeff60416fa6271e291300921a7ceb9f864f0b8c2aa84c167059040b054b4115.exe
"C:\Users\Admin\AppData\Local\Temp\aeff60416fa6271e291300921a7ceb9f864f0b8c2aa84c167059040b054b4115.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Users\Admin\AppData\Local\Temp\CsMwrgIB.exe
  C:\Users\Admin\AppData\Local\Temp\CsMwrgIB.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2156
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\31135a24.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2824

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\27645F11.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\31135a24.bat

Filesize
191B

MD5
58d7f9473226d023add32b245479080b

SHA1
0e4c3411cd9e2076abaee49fb23004ba7c93be07

SHA256
ab258279e51f382f2056caa50fe7a49d43846d18ed37c0e67078e8072671f3c7

SHA512
82c90a41681e2e25c8f173adf83160a3d6bce5361593d71b77d61b56ff0fe9082f94e38fbb651228f08399bfe19c0517b6da9729a9fcbb6214674492b1756b2f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2156-11-0x0000000000F50000-0x0000000000F59000-memory.dmp

Filesize
36KB

Download
memory/2156-42-0x0000000000F50000-0x0000000000F59000-memory.dmp

Filesize
36KB

Download
memory/3008-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3008-9-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/3008-4-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/3008-44-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3008-45-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download