bdaejec | 42aed31efa50aa3ff63683c40eb1ceb79942ae3f8758ef8725525dff08b92900

General

Target

42aed31efa50aa3ff63683c40eb1ceb79942ae3f8758ef8725525dff08b92900.exe
Size

36KB
MD5

e4572eef935db01092b1b78c8c85c9d9
SHA1

5f61d482d4c74bbde27d543d95e50b4c9786cf1b
SHA256

42aed31efa50aa3ff63683c40eb1ceb79942ae3f8758ef8725525dff08b92900
SHA512

1981028decee2d34b3f9e28ab309b3159326a8d8585d0a01607302bf1da985f7b260643e7dd40a5dd5d669737870354d837d0e69d08265d8040944ff7e065b40
SSDEEP

384:mavw5ZNvHaqNtmMBSeXZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9Pffr:U5Ntm3aQGPL4vzZq2o9W7GsxBbPr

Score

10^/10

bdaejec aspackv2 backdoor discovery

Malware Config

Extracted

Family

bdaejec

C2

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++.

Processes:

resource	yara_rule
behavioral2/memory/2856-39-0x0000000000D90000-0x0000000000D99000-memory.dmp	family_bdaejec_backdoor

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\YZuuyJ.exe	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

Processes:

YZuuyJ.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation YZuuyJ.exe
Executes dropped EXE 1 IoCs

Processes:

YZuuyJ.exe

pid process

2856 YZuuyJ.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	YZuuyJ.exe

pid	process
2856	YZuuyJ.exe

Drops file in Program Files directory 64 IoCs

Processes:

YZuuyJ.exe

description	ioc	process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	YZuuyJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	YZuuyJ.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	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	YZuuyJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	YZuuyJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	YZuuyJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	YZuuyJ.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	YZuuyJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	YZuuyJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	YZuuyJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	YZuuyJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	YZuuyJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	YZuuyJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	YZuuyJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	YZuuyJ.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

Processes:

42aed31efa50aa3ff63683c40eb1ceb79942ae3f8758ef8725525dff08b92900.exeYZuuyJ.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	42aed31efa50aa3ff63683c40eb1ceb79942ae3f8758ef8725525dff08b92900.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	YZuuyJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

42aed31efa50aa3ff63683c40eb1ceb79942ae3f8758ef8725525dff08b92900.exeYZuuyJ.exe

description	pid	process	target process
PID 4208 wrote to memory of 2856	4208	42aed31efa50aa3ff63683c40eb1ceb79942ae3f8758ef8725525dff08b92900.exe	YZuuyJ.exe
PID 4208 wrote to memory of 2856	4208	42aed31efa50aa3ff63683c40eb1ceb79942ae3f8758ef8725525dff08b92900.exe	YZuuyJ.exe
PID 4208 wrote to memory of 2856	4208	42aed31efa50aa3ff63683c40eb1ceb79942ae3f8758ef8725525dff08b92900.exe	YZuuyJ.exe
PID 2856 wrote to memory of 2756	2856	YZuuyJ.exe	cmd.exe
PID 2856 wrote to memory of 2756	2856	YZuuyJ.exe	cmd.exe
PID 2856 wrote to memory of 2756	2856	YZuuyJ.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\42aed31efa50aa3ff63683c40eb1ceb79942ae3f8758ef8725525dff08b92900.exe
"C:\Users\Admin\AppData\Local\Temp\42aed31efa50aa3ff63683c40eb1ceb79942ae3f8758ef8725525dff08b92900.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4208
- C:\Users\Admin\AppData\Local\Temp\YZuuyJ.exe
  C:\Users\Admin\AppData\Local\Temp\YZuuyJ.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:2856
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1a8d3161.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\1a8d3161.bat

Filesize
187B

MD5
fcb6ef0035f759529a0a6e3eda688485

SHA1
a86bcf32dac4c26d936d716148290abc71497904

SHA256
637ba38213ca6bdd0c0e2235d6d5c60085719a4107f8e3d9021b3c17645d7012

SHA512
1636dc9359de8ae9ae24966a4b109f33df5eb7ad6469d0ac21c9f117781d6dd9e3dde596d5b9b9041b74a142f17a990ef4967a595e90e8ea718b92f9d7c2babf

Download Submit
C:\Users\Admin\AppData\Local\Temp\3BA81A6C.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2856-4-0x0000000000D90000-0x0000000000D99000-memory.dmp

Filesize
36KB

Download
memory/2856-39-0x0000000000D90000-0x0000000000D99000-memory.dmp

Filesize
36KB

Download
memory/4208-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4208-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads