bdaejec | c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec

Analysis

max time kernel
144s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
28-12-2024 17:44

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General

Target

c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe
Size

12.0MB
MD5

7eef1649bbfa949d26193a82e6da3de1
SHA1

941d5ec4417c5dae0b480456544f7716eacfac67
SHA256

c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec
SHA512

dfefa8051bb0921e7055844c6a85993ccc8493e9fa372e9761a462653b0e6fe2449607013211773b925a5582af740c3d7140dbc17da7e12bfb5513ab2a56a499
SSDEEP

49152:s/KE1ld3/wAyJxVZp2bnbJ5eA+zGFTCTMqQ:s/KU9/pyJx9Y5ely0T

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/2236-12-0x0000000000270000-0x0000000000279000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/2236-18-0x0000000000270000-0x0000000000279000-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/0x00080000000120fe-1.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2236	MtldJw.exe

Loads dropped DLL 2 IoCs

pid	Process
1792	c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe
1792	c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	MtldJw.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	MtldJw.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	MtldJw.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	MtldJw.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	MtldJw.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	MtldJw.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	MtldJw.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	MtldJw.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	MtldJw.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	MtldJw.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{0AC99519-0FE0-4797-A0D6-2C21B93D4350}\chrome_installer.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	MtldJw.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	c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MtldJw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1792	c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1792	c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe
1792	c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe
1792	c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 2236	1792	c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe	30
PID 1792 wrote to memory of 2236	1792	c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe	30
PID 1792 wrote to memory of 2236	1792	c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe	30
PID 1792 wrote to memory of 2236	1792	c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe	30
PID 2236 wrote to memory of 2332	2236	MtldJw.exe	33
PID 2236 wrote to memory of 2332	2236	MtldJw.exe	33
PID 2236 wrote to memory of 2332	2236	MtldJw.exe	33
PID 2236 wrote to memory of 2332	2236	MtldJw.exe	33

C:\Users\Admin\AppData\Local\Temp\c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe
"C:\Users\Admin\AppData\Local\Temp\c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Users\Admin\AppData\Local\Temp\MtldJw.exe
  C:\Users\Admin\AppData\Local\Temp\MtldJw.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\7c1f02c3.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2332

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\7c1f02c3.bat

Filesize
187B

MD5
c26303b2c6712ab839ded42d5eb274fd

SHA1
7bf498cfc5a5e253561982dff7d74b1e8eb9d4a5

SHA256
0a15653d9abdf780ac8e139ae588fe39adb8958d2ffa65a6cfe4f5860fea4307

SHA512
3fcb7e0da1abfa3776161a30a1c36b4a1b042afd4b8ba13865b9e612c598814e0dfe357936a388c60413f404bd946321589a4d6862b38635dc2c37d5a2a56974

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1792-10-0x0000000000FB0000-0x0000000001C11000-memory.dmp

Filesize
12.4MB

Download
memory/1792-13-0x00000000000F0000-0x00000000000F9000-memory.dmp

Filesize
36KB

Download
memory/1792-11-0x00000000000F0000-0x00000000000F9000-memory.dmp

Filesize
36KB

Download
memory/1792-15-0x0000000000A00000-0x0000000000B00000-memory.dmp

Filesize
1024KB

Download
memory/1792-17-0x0000000000FB0000-0x0000000001C11000-memory.dmp

Filesize
12.4MB

Download
memory/1792-19-0x0000000000A00000-0x0000000000B00000-memory.dmp

Filesize
1024KB

Download
memory/1792-26-0x00000000000F0000-0x00000000000F9000-memory.dmp

Filesize
36KB

Download
memory/1792-28-0x00000000000F0000-0x00000000000F9000-memory.dmp

Filesize
36KB

Download
memory/2236-12-0x0000000000270000-0x0000000000279000-memory.dmp

Filesize
36KB

Download
memory/2236-18-0x0000000000270000-0x0000000000279000-memory.dmp

Filesize
36KB

Download