bdaejec | 8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d

Analysis

max time kernel
145s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
28-12-2024 17:41

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General

Target

8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe
Size

12.0MB
MD5

00781601407e4d52723f37b8a720b4bd
SHA1

3416c27ca9af798f84e6994f0d8a54896cb256d6
SHA256

8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d
SHA512

4fa965e021159ea3fb805bc3a12de682d002f4cb3d0ca42b7c6cdc97d722a030c0c7e26cc65a19011fb2fc470a8a7ae53cd77472b448e91dab0fa310fbc37951
SSDEEP

49152:s/KE1ld3/wAyJxVZp2bnbJ5eA+zOFTCTMqQ:s/KU9/pyJx9Y5ela0T

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/2404-11-0x00000000012D0000-0x00000000012D9000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/2404-18-0x00000000012D0000-0x00000000012D9000-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/0x000a00000001225f-6.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2404	RVwrSt.exe

Loads dropped DLL 2 IoCs

pid	Process
2568	8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe
2568	8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	RVwrSt.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	RVwrSt.exe
File opened for modification	C:\Program Files\InstallStart.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	RVwrSt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	RVwrSt.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	RVwrSt.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	RVwrSt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	RVwrSt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	RVwrSt.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	8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVwrSt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2568	8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2568	8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe
2568	8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe
2568	8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 2404	2568	8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe	30
PID 2568 wrote to memory of 2404	2568	8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe	30
PID 2568 wrote to memory of 2404	2568	8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe	30
PID 2568 wrote to memory of 2404	2568	8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe	30
PID 2404 wrote to memory of 1976	2404	RVwrSt.exe	34
PID 2404 wrote to memory of 1976	2404	RVwrSt.exe	34
PID 2404 wrote to memory of 1976	2404	RVwrSt.exe	34
PID 2404 wrote to memory of 1976	2404	RVwrSt.exe	34

C:\Users\Admin\AppData\Local\Temp\8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe
"C:\Users\Admin\AppData\Local\Temp\8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe
  C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2404
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\2cc228c8.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1976

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\2cc228c8.bat

Filesize
187B

MD5
275e4695cc4b708f7e29b88eb09d7577

SHA1
bca8dc0598c184a835fe1e01f394b14ba6b5a56c

SHA256
dcbcbc29c53ae8e7f542575e56a9200ff74a79c33d8585eca91ddccc74b28288

SHA512
fa361bd9e02822099079ba652c7205382d88c678720564b07d60b04521f26f465fe082ad40c428296469d8255ce3003725fbecff166cb851b01a3d14b5f62712

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2404-11-0x00000000012D0000-0x00000000012D9000-memory.dmp

Filesize
36KB

Download
memory/2404-18-0x00000000012D0000-0x00000000012D9000-memory.dmp

Filesize
36KB

Download
memory/2568-9-0x00000000010E0000-0x0000000001D41000-memory.dmp

Filesize
12.4MB

Download
memory/2568-12-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/2568-10-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/2568-15-0x0000000000970000-0x0000000000A70000-memory.dmp

Filesize
1024KB

Download
memory/2568-17-0x00000000010E0000-0x0000000001D41000-memory.dmp

Filesize
12.4MB

Download
memory/2568-19-0x0000000000970000-0x0000000000A70000-memory.dmp

Filesize
1024KB

Download
memory/2568-26-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/2568-28-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download