bdaejec | e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2

General

Target

e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe
Size

1.8MB
MD5

4f3029ca93d4ea7f146fb4e255742ace
SHA1

319528d2bdc847aa60f8d39450bfd1ac7b90108a
SHA256

e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2
SHA512

a0f069f6d33895838f20bf2939d5a4ea365541c15504b31fd47ffefd6a7e55ff047a1d95cf0aca1e8a84f9ee240beafd7e1a3f52a577224cfd5c79d03216952b
SSDEEP

49152:QyQpzmWZkUV4EYuRkRxuZ0+4uEiyoryKlrSgfJgwY2l2+PAA2aKUl87j+:ezmWZk+4iRkmZ0+4uEiyor9lrbfJx6Aj

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

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

Processes:

resource	yara_rule
behavioral2/memory/3672-46-0x00000000006B0000-0x00000000006B9000-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\osL.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:

osL.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation osL.exe
Executes dropped EXE 1 IoCs

Processes:

osL.exe

pid process

3672 osL.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	osL.exe

pid	process
3672	osL.exe

Drops file in Program Files directory 64 IoCs

Processes:

osL.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	osL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	osL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	osL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	osL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	osL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	osL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	osL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	osL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	osL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	osL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	osL.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	osL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	osL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	osL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	osL.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	osL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	osL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	osL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	osL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	osL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	osL.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	osL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	osL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	osL.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	osL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	osL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	osL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	osL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	osL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	osL.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	osL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	osL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	osL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	osL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	osL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	osL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	osL.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	osL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	osL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	osL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	osL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	osL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	osL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	osL.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:

osL.execmd.exee60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	osL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe

pid	process
3532	e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe
3532	e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exeosL.exe

description	pid	process	target process
PID 3532 wrote to memory of 3672	3532	e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe	osL.exe
PID 3532 wrote to memory of 3672	3532	e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe	osL.exe
PID 3532 wrote to memory of 3672	3532	e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe	osL.exe
PID 3672 wrote to memory of 4888	3672	osL.exe	cmd.exe
PID 3672 wrote to memory of 4888	3672	osL.exe	cmd.exe
PID 3672 wrote to memory of 4888	3672	osL.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe
"C:\Users\Admin\AppData\Local\Temp\e60c33f0a35fc4db1e38c77af19ee1cfe4d6b6ba9182a1e0cf56f65783e740c2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3532
- C:\Users\Admin\AppData\Local\Temp\osL.exe
  C:\Users\Admin\AppData\Local\Temp\osL.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:3672
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7cbc5d41.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4888

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\PGH3GSHW\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\603B286B.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7cbc5d41.bat

Filesize
181B

MD5
976f088e1a3ec66a23d5450ecb86b39d

SHA1
d687c1eeead0de8de7e1ba2bab1307be98615363

SHA256
74714b0b5642049e0486eacc45f6a7b6cea7474dfae7457c76369afb28ce1371

SHA512
6a98edd864595f4fff1fad4deb8baef255865687d087ed4e8c0fb431066ffb0aa652d76408baf0571b3f11e7784a104e4f27a1727df32762d64a88f48ac19bc5

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3532-0-0x0000000000690000-0x000000000085E000-memory.dmp

Filesize
1.8MB

Download
memory/3532-48-0x0000000000690000-0x000000000085E000-memory.dmp

Filesize
1.8MB

Download
memory/3672-4-0x00000000006B0000-0x00000000006B9000-memory.dmp

Filesize
36KB

Download
memory/3672-46-0x00000000006B0000-0x00000000006B9000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads