bdaejec | c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec

Analysis

max time kernel
106s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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
behavioral2/memory/2896-6-0x0000000000B40000-0x0000000000B49000-memory.dmp	family_bdaejec_backdoor
behavioral2/memory/2896-10-0x0000000000B40000-0x0000000000B49000-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
behavioral2/files/0x000c000000023baa-2.dat	aspack_v212_v242

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	MtldJw.exe

Executes dropped EXE 1 IoCs

pid	Process
2896	MtldJw.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	MtldJw.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	MtldJw.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	MtldJw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	MtldJw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	MtldJw.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	MtldJw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	MtldJw.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	MtldJw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	MtldJw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	MtldJw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	MtldJw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	MtldJw.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	MtldJw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	MtldJw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	MtldJw.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.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\jdk-1.8\bin\wsgen.exe	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	MtldJw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	MtldJw.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	MtldJw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.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	1520	c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1520	c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe
1520	c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe
1520	c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 2896	1520	c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe	83
PID 1520 wrote to memory of 2896	1520	c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe	83
PID 1520 wrote to memory of 2896	1520	c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe	83
PID 2896 wrote to memory of 8	2896	MtldJw.exe	103
PID 2896 wrote to memory of 8	2896	MtldJw.exe	103
PID 2896 wrote to memory of 8	2896	MtldJw.exe	103

C:\Users\Admin\AppData\Local\Temp\c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe
"C:\Users\Admin\AppData\Local\Temp\c3884e6b4e2b806cda07903a9d6697bf3f552cd5a8600732c90bf28d47c1d2ec.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Users\Admin\AppData\Local\Temp\MtldJw.exe
  C:\Users\Admin\AppData\Local\Temp\MtldJw.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2896
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0d613ff3.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:8

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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\Temp\0d613ff3.bat

Filesize
187B

MD5
8181bd231fa78c597a142e81321ec959

SHA1
ec06c072076021a51fac2731cd309993089ace55

SHA256
326d8fa9b3b6d27b3da6bf300bdc86cc9488866433dd325d37e98e47348cbb65

SHA512
a4d633d7c142ed988cba7b7a9830e67a82e4f57564e4abf087fd250d93076a65ac07e360ed3c50bc8d395eb27bf5f7129843a68521e88d8acaf587cbc4e72ab3

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1520-5-0x0000000000580000-0x00000000011E1000-memory.dmp

Filesize
12.4MB

Download
memory/1520-8-0x0000000003A10000-0x0000000003B10000-memory.dmp

Filesize
1024KB

Download
memory/1520-9-0x0000000000580000-0x00000000011E1000-memory.dmp

Filesize
12.4MB

Download
memory/1520-11-0x0000000003A10000-0x0000000003B10000-memory.dmp

Filesize
1024KB

Download
memory/2896-6-0x0000000000B40000-0x0000000000B49000-memory.dmp

Filesize
36KB

Download
memory/2896-10-0x0000000000B40000-0x0000000000B49000-memory.dmp

Filesize
36KB

Download