bdaejec | a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283

Analysis

max time kernel
94s
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
03-02-2025 03:03

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General

Target

a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe
Size

28KB
MD5

e4ac95edac2f200de68ff07156a9aa96
SHA1

17e18a2f208464e303f4af2f1b6b0f3f0311abd9
SHA256

a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283
SHA512

c604109e5d1cf48946773915bf0ded2b0dc519e71150cc777d90e061aa2c6348fd25b86360358378ff85b51fcb893af57e4efb51027ecc8fe20e9334b77cbfc8
SSDEEP

384:51G/0strh1ieR5SSlXZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:C/0cLi8xbQGPL4vzZq2o9W7GsxBbPr

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
behavioral2/memory/2720-21-0x0000000000390000-0x0000000000399000-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/0x000d000000023ae7-3.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	Modrng.exe

Executes dropped EXE 1 IoCs

pid	Process
2720	Modrng.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	Modrng.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	Modrng.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	Modrng.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	Modrng.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	Modrng.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	Modrng.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	Modrng.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	Modrng.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	Modrng.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	Modrng.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	Modrng.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	Modrng.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	Modrng.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	Modrng.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	Modrng.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	Modrng.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	Modrng.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	Modrng.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	Modrng.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	Modrng.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	Modrng.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{ACF3742B-09B5-421B-BDF2-BEE548AB1938}\chrome_installer.exe	Modrng.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	Modrng.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	Modrng.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	Modrng.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	Modrng.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	Modrng.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	Modrng.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	Modrng.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	Modrng.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	Modrng.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	Modrng.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	Modrng.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	Modrng.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	Modrng.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	Modrng.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	Modrng.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	Modrng.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	Modrng.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	Modrng.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	a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Modrng.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3212 wrote to memory of 2720	3212	a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe	82
PID 3212 wrote to memory of 2720	3212	a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe	82
PID 3212 wrote to memory of 2720	3212	a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe	82
PID 2720 wrote to memory of 3764	2720	Modrng.exe	92
PID 2720 wrote to memory of 3764	2720	Modrng.exe	92
PID 2720 wrote to memory of 3764	2720	Modrng.exe	92

C:\Users\Admin\AppData\Local\Temp\a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe
"C:\Users\Admin\AppData\Local\Temp\a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3212
- C:\Users\Admin\AppData\Local\Temp\Modrng.exe
  C:\Users\Admin\AppData\Local\Temp\Modrng.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:2720
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\19fd2d4a.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3764

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\19fd2d4a.bat

Filesize
187B

MD5
9e585f1dc3fd6be1cca70a409fdc8de2

SHA1
5ef75915588a488cd2525275bba5e1dc4f4fcbf3

SHA256
7c716eb0ebd06c150f2ef4e3fac12b6f2361e6d9a8030ec236128b1e6553b222

SHA512
370997c2ac6a40805af7506c604604ae71265f3e85ec76d206689bf258f1d69f47266cd5204abc1c1ce8f65fc39eb35984834b79c63750cb24b8a423296cc27a

Download Submit
C:\Users\Admin\AppData\Local\Temp\484D6D45.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2720-4-0x0000000000390000-0x0000000000399000-memory.dmp

Filesize
36KB

Download
memory/2720-21-0x0000000000390000-0x0000000000399000-memory.dmp

Filesize
36KB

Download
memory/3212-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3212-28-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download