bdaejec | a1092bf19a59352b1b9b5c2240a4a222c6e4dd16727076013cde7469cc1e23fe

Analysis

max time kernel
95s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2024, 06:16

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General

Target

a1092bf19a59352b1b9b5c2240a4a222c6e4dd16727076013cde7469cc1e23fe.exe
Size

380KB
MD5

073e2b87b1c2f04fbccae87e6d3df4d6
SHA1

23275f5b33933e81327dd539e1aa980c6bf31877
SHA256

a1092bf19a59352b1b9b5c2240a4a222c6e4dd16727076013cde7469cc1e23fe
SHA512

a58ea01067c6c505d3a7ca00ef22e32756c0c2cadb3611e8d80b9f02a46db75948faf82ab28d107aa640f68d12e3949d8adc378985ef15582d81ef4c4d5d8166
SSDEEP

6144:l/C8Y4XmCtaOInjZpAbxdxDcWcnR4bfXfwiSeias+8xHgbYpj+w8NO0ctwxepgP5:l/J+CtaxnjZpAbxdxDcWcnR4bfXfwiSO

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/1660-49-0x0000000000DD0000-0x0000000000DD9000-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/0x000c000000023b31-3.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	eDIiMa.exe

Executes dropped EXE 1 IoCs

pid	Process
1660	eDIiMa.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	eDIiMa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	eDIiMa.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	eDIiMa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	eDIiMa.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	eDIiMa.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	eDIiMa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	eDIiMa.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	eDIiMa.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	eDIiMa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	eDIiMa.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	eDIiMa.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	eDIiMa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	eDIiMa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	eDIiMa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	eDIiMa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	eDIiMa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	eDIiMa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	eDIiMa.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	eDIiMa.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	eDIiMa.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	eDIiMa.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	eDIiMa.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	eDIiMa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	eDIiMa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	eDIiMa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	eDIiMa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	eDIiMa.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	eDIiMa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	eDIiMa.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	eDIiMa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	eDIiMa.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	a1092bf19a59352b1b9b5c2240a4a222c6e4dd16727076013cde7469cc1e23fe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eDIiMa.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3440 wrote to memory of 1660	3440	a1092bf19a59352b1b9b5c2240a4a222c6e4dd16727076013cde7469cc1e23fe.exe	83
PID 3440 wrote to memory of 1660	3440	a1092bf19a59352b1b9b5c2240a4a222c6e4dd16727076013cde7469cc1e23fe.exe	83
PID 3440 wrote to memory of 1660	3440	a1092bf19a59352b1b9b5c2240a4a222c6e4dd16727076013cde7469cc1e23fe.exe	83
PID 1660 wrote to memory of 1636	1660	eDIiMa.exe	84
PID 1660 wrote to memory of 1636	1660	eDIiMa.exe	84
PID 1660 wrote to memory of 1636	1660	eDIiMa.exe	84

C:\Users\Admin\AppData\Local\Temp\a1092bf19a59352b1b9b5c2240a4a222c6e4dd16727076013cde7469cc1e23fe.exe
"C:\Users\Admin\AppData\Local\Temp\a1092bf19a59352b1b9b5c2240a4a222c6e4dd16727076013cde7469cc1e23fe.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Users\Admin\AppData\Local\Temp\eDIiMa.exe
  C:\Users\Admin\AppData\Local\Temp\eDIiMa.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:1660
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2c8a5bfa.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1636

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\M6JHG9EK\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\2c8a5bfa.bat

Filesize
187B

MD5
a85e90b3cc8966b96e59ad55f085565c

SHA1
853f82cceac8faf733e83a1f1e491206230e96f7

SHA256
4a87ceb112fcd3267087f54f56530c94a49d24ef945fbf510b22788885100696

SHA512
7a5dd4936b9c699fc451280a558e609de7e51d57cadb4a9afd9c7826f1dc1d11ebdf0d28a27ddf93e8b972e92cb5f337e56c5d11440a0e4c0bf5ae71edfab5a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\3E121183.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1660-4-0x0000000000DD0000-0x0000000000DD9000-memory.dmp

Filesize
36KB

Download
memory/1660-49-0x0000000000DD0000-0x0000000000DD9000-memory.dmp

Filesize
36KB

Download
memory/3440-0-0x0000000000E40000-0x0000000000EAC000-memory.dmp

Filesize
432KB

Download
memory/3440-51-0x0000000000E40000-0x0000000000EAC000-memory.dmp

Filesize
432KB

Download