bdaejec | 6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758e

General

Target

6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exe
Size

125KB
MD5

43b201729678800539cb685d9b601ea0
SHA1

390e8f15540fec40b37d0af1c5b259c5a30f3b70
SHA256

6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758e
SHA512

5d115db22692751b74eba30096f00a78f0b14d641a94752917ccf141e5a928bf64b4fc9f96aa6fce13db23a84843d7a48c0855c0b160e9068170f43a81e472f5
SSDEEP

3072:IH451OJpM1uOcIbqaORUF0/+8v51AwGoG94dF/GCH:x4pM1uLIbCKFq++RGT4dFu

Score

10^/10

bdaejec aspackv2 backdoor discovery upx

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/4276-45-0x00000000007C0000-0x00000000007C9000-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\htYhNb.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:

htYhNb.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation htYhNb.exe
Executes dropped EXE 1 IoCs

Processes:

htYhNb.exe

pid process

4276 htYhNb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	htYhNb.exe

pid	process
4276	htYhNb.exe

UPX packed file 13 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/2244-0-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral2/memory/2244-47-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral2/memory/2244-48-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral2/memory/2244-49-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral2/memory/2244-50-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral2/memory/2244-51-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral2/memory/2244-52-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral2/memory/2244-53-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral2/memory/2244-54-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral2/memory/2244-55-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral2/memory/2244-56-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral2/memory/2244-57-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral2/memory/2244-58-0x0000000000400000-0x00000000004B0000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

Processes:

htYhNb.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	htYhNb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	htYhNb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	htYhNb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	htYhNb.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	htYhNb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	htYhNb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	htYhNb.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	htYhNb.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	htYhNb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	htYhNb.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	htYhNb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	htYhNb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	htYhNb.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	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	htYhNb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	htYhNb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	htYhNb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	htYhNb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	htYhNb.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	htYhNb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	htYhNb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	htYhNb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	htYhNb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	htYhNb.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	htYhNb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	htYhNb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	htYhNb.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	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	htYhNb.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:

6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exehtYhNb.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	htYhNb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

AUDIODG.EXE

description pid process

Token: 33 3476 AUDIODG.EXE
Token: SeIncBasePriorityPrivilege 3476 AUDIODG.EXE

description	pid	process
Token: 33	3476	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	3476	AUDIODG.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exehtYhNb.exe

description	pid	process	target process
PID 2244 wrote to memory of 4276	2244	6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exe	htYhNb.exe
PID 2244 wrote to memory of 4276	2244	6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exe	htYhNb.exe
PID 2244 wrote to memory of 4276	2244	6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exe	htYhNb.exe
PID 4276 wrote to memory of 3960	4276	htYhNb.exe	cmd.exe
PID 4276 wrote to memory of 3960	4276	htYhNb.exe	cmd.exe
PID 4276 wrote to memory of 3960	4276	htYhNb.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exe
"C:\Users\Admin\AppData\Local\Temp\6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\htYhNb.exe
  C:\Users\Admin\AppData\Local\Temp\htYhNb.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:4276
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\69c62564.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3960

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x33c 0x150
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3476

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\VKYZDMA5\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\1A4C4B59.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\69c62564.bat

Filesize
187B

MD5
4fa41c85f930997775bb815f2f02798f

SHA1
27c8ed88d08b7fe89a9c6fc76c9e13d74120a9f2

SHA256
c916cab9e1c4863935ebf220f1635ef2b9a58b50f2ba70200fd4c2cbac527a12

SHA512
1ebdd10a139e05c3d329e8953ecf0ff69d45c728944585ddfd6a5e4a0326f4a213ec6cfca381fd3af8a53b686d64ff983bee2abd59c2dc9a207d4aa4481ee94b

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2244-48-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2244-51-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2244-58-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2244-47-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2244-0-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2244-49-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2244-50-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2244-57-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2244-52-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2244-53-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2244-54-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2244-55-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2244-56-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4276-45-0x00000000007C0000-0x00000000007C9000-memory.dmp

Filesize
36KB

Download
memory/4276-4-0x00000000007C0000-0x00000000007C9000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads