bdaejec | 4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60

Analysis

max time kernel
94s
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
03/12/2024, 13:02

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General

Target

4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe
Size

96KB
MD5

fd772e274b00ba82cbc3e3153452fde3
SHA1

7994f3221f036f663048d4c7ffdf2f0c31b584f7
SHA256

4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60
SHA512

9cc229a965bba977f9295ff329b9aecf598a20dc2642dec54d947b5064cd912bb0c0b8b35e4a3b9ced7bd680bca05e2ac84f02c89fb16edc16c1cf35ec7880e4
SSDEEP

1536:pECLKU4+dwC/p0cQ7ZCAINqPDHuXnvE0oK1fLGCq2iW7za:pJLrp0cQ7QAINqPDHQnc0GCH2

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/4852-46-0x00000000007E0000-0x00000000007E9000-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/0x000c000000023b50-3.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	eVRKlMX.exe

Executes dropped EXE 1 IoCs

pid	Process
4852	eVRKlMX.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe	eVRKlMX.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	4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eVRKlMX.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 4852	3936	4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe	83
PID 3936 wrote to memory of 4852	3936	4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe	83
PID 3936 wrote to memory of 4852	3936	4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe	83
PID 4852 wrote to memory of 1564	4852	eVRKlMX.exe	84
PID 4852 wrote to memory of 1564	4852	eVRKlMX.exe	84
PID 4852 wrote to memory of 1564	4852	eVRKlMX.exe	84

C:\Users\Admin\AppData\Local\Temp\4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe
"C:\Users\Admin\AppData\Local\Temp\4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3936
- C:\Users\Admin\AppData\Local\Temp\eVRKlMX.exe
  C:\Users\Admin\AppData\Local\Temp\eVRKlMX.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:4852
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5e25180a.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1564

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\34182E0B.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\5e25180a.bat

Filesize
189B

MD5
f70db38f5b8cb566b794ccbd20d7587f

SHA1
b7c6fe5e4f3a7906c48d34f8d598983114d924e9

SHA256
0ed40d452d7aa600edaad55d8524f6abced10ba4e34ec762400950f489381793

SHA512
8986b9dd6c73779dac04d399cb589e203252baa42d33848b528be38f8d6ed9bbd2dc55162e6c93a668ba133767f35ab31209fbdd3704bc7b722e9d1304581e44

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3936-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3936-7-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4852-4-0x00000000007E0000-0x00000000007E9000-memory.dmp

Filesize
36KB

Download
memory/4852-46-0x00000000007E0000-0x00000000007E9000-memory.dmp

Filesize
36KB

Download