bdaejec | ab2e20f7862ecacd6685fb135b15af3e918f4899bbda0118ef564e0031f0e45e

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 07:16

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General

Target

ab2e20f7862ecacd6685fb135b15af3e918f4899bbda0118ef564e0031f0e45eN.exe
Size

80KB
MD5

b4fe1ae691b566af4e63f99c5543e720
SHA1

9f36feed04788d6ebb1fe000df004d5f04aef23b
SHA256

ab2e20f7862ecacd6685fb135b15af3e918f4899bbda0118ef564e0031f0e45e
SHA512

4ade2a35146dcb650ecb57eed3dd64561024eb423892921e3bce72d73a4f18bbac51134861c2e62efb6534376ada9b159e517983621d9304bf2ca5ecdafe78ad
SSDEEP

1536:/JvJnBpwdaMIOOnToIfiV6pdQxSGCq2iW7z:/JvxKaCqTBfiooUGCH

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/4920-45-0x0000000000880000-0x0000000000889000-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/0x000c000000023b42-3.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	AVVdJ.exe

Executes dropped EXE 1 IoCs

pid	Process
4920	AVVdJ.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	AVVdJ.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	AVVdJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	AVVdJ.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	AVVdJ.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	AVVdJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	AVVdJ.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	AVVdJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	AVVdJ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	AVVdJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	AVVdJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	AVVdJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	AVVdJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	AVVdJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	AVVdJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	AVVdJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	AVVdJ.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	ab2e20f7862ecacd6685fb135b15af3e918f4899bbda0118ef564e0031f0e45eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AVVdJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 316 wrote to memory of 4920	316	ab2e20f7862ecacd6685fb135b15af3e918f4899bbda0118ef564e0031f0e45eN.exe	84
PID 316 wrote to memory of 4920	316	ab2e20f7862ecacd6685fb135b15af3e918f4899bbda0118ef564e0031f0e45eN.exe	84
PID 316 wrote to memory of 4920	316	ab2e20f7862ecacd6685fb135b15af3e918f4899bbda0118ef564e0031f0e45eN.exe	84
PID 4920 wrote to memory of 1188	4920	AVVdJ.exe	85
PID 4920 wrote to memory of 1188	4920	AVVdJ.exe	85
PID 4920 wrote to memory of 1188	4920	AVVdJ.exe	85

C:\Users\Admin\AppData\Local\Temp\ab2e20f7862ecacd6685fb135b15af3e918f4899bbda0118ef564e0031f0e45eN.exe
"C:\Users\Admin\AppData\Local\Temp\ab2e20f7862ecacd6685fb135b15af3e918f4899bbda0118ef564e0031f0e45eN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:316
- C:\Users\Admin\AppData\Local\Temp\AVVdJ.exe
  C:\Users\Admin\AppData\Local\Temp\AVVdJ.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:4920
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\29296bbb.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1188

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\29296bbb.bat

Filesize
185B

MD5
227197818576833c98745b4beaeef6b1

SHA1
1fcbce6699095d2d8724bb97e5fc06ba8ddb69ea

SHA256
a5a31ef8a0ff69b014dfc1de48911bfbf7ef9464e0157bef853b8a37693dcb5c

SHA512
f9d7f0e0ee29ad2e23b82b888e638e81a80ddc1eb42c5e18e8e13a9c2274c5cde3934a70e015c05759aae5c5e5292003218827d263231fa5a7150afb21c22734

Download Submit
C:\Users\Admin\AppData\Local\Temp\7B7C293E.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/316-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/316-47-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4920-4-0x0000000000880000-0x0000000000889000-memory.dmp

Filesize
36KB

Download
memory/4920-45-0x0000000000880000-0x0000000000889000-memory.dmp

Filesize
36KB

Download