bdaejec | 79757b669da7754fb0319e313a1c24b9c9e170b7815174ca55959eb3bbca43f3

Analysis

max time kernel
133s
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
27-10-2024 02:33

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General

Target

79757b669da7754fb0319e313a1c24b9c9e170b7815174ca55959eb3bbca43f3.exe
Size

36KB
MD5

1913f1b56f94a777c0130ef6e358586f
SHA1

b1bc6735532a06744d37245f172408f8c2f062b0
SHA256

79757b669da7754fb0319e313a1c24b9c9e170b7815174ca55959eb3bbca43f3
SHA512

b838ae8f592776e80c25e4e6280a6e778fa1a1073d62aea9bd6604bdf25248848a45c8589373a0dd978a6193b8ac454eadf53ebcf187dcaa1eb1308cb0a4799c
SSDEEP

768:1LtEcKD6bLDnaJy+bDbM7fSqQGPL4vzZq2o9W7GsxBbPr:1LdugLjR+yfSJGCq2iW7z

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/2828-46-0x0000000000090000-0x0000000000099000-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/0x000b000000023b88-5.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	hjErac.exe

Executes dropped EXE 1 IoCs

pid	Process
2828	hjErac.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	hjErac.exe
File opened for modification	C:\Program Files\SuspendRemove.exe	hjErac.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	hjErac.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	hjErac.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	hjErac.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	hjErac.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	hjErac.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	hjErac.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	hjErac.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	hjErac.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	hjErac.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	hjErac.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	hjErac.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	hjErac.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	hjErac.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	hjErac.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	hjErac.exe
File opened for modification	C:\Program Files\PushCheckpoint.exe	hjErac.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	hjErac.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	hjErac.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	hjErac.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	hjErac.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	hjErac.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	hjErac.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	hjErac.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	hjErac.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	hjErac.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	hjErac.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	hjErac.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	hjErac.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	hjErac.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	hjErac.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	hjErac.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	hjErac.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	hjErac.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	hjErac.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	hjErac.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	hjErac.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	hjErac.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	hjErac.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	hjErac.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	hjErac.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	hjErac.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	hjErac.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	hjErac.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	hjErac.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	hjErac.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	hjErac.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	hjErac.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	hjErac.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	hjErac.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	hjErac.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	hjErac.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	hjErac.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	hjErac.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	hjErac.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	hjErac.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	hjErac.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	hjErac.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	hjErac.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	hjErac.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	hjErac.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	hjErac.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	hjErac.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	hjErac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	79757b669da7754fb0319e313a1c24b9c9e170b7815174ca55959eb3bbca43f3.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3988	79757b669da7754fb0319e313a1c24b9c9e170b7815174ca55959eb3bbca43f3.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3988	79757b669da7754fb0319e313a1c24b9c9e170b7815174ca55959eb3bbca43f3.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3988 wrote to memory of 2828	3988	79757b669da7754fb0319e313a1c24b9c9e170b7815174ca55959eb3bbca43f3.exe	87
PID 3988 wrote to memory of 2828	3988	79757b669da7754fb0319e313a1c24b9c9e170b7815174ca55959eb3bbca43f3.exe	87
PID 3988 wrote to memory of 2828	3988	79757b669da7754fb0319e313a1c24b9c9e170b7815174ca55959eb3bbca43f3.exe	87
PID 2828 wrote to memory of 1572	2828	hjErac.exe	91
PID 2828 wrote to memory of 1572	2828	hjErac.exe	91
PID 2828 wrote to memory of 1572	2828	hjErac.exe	91

C:\Users\Admin\AppData\Local\Temp\79757b669da7754fb0319e313a1c24b9c9e170b7815174ca55959eb3bbca43f3.exe
"C:\Users\Admin\AppData\Local\Temp\79757b669da7754fb0319e313a1c24b9c9e170b7815174ca55959eb3bbca43f3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3988
- C:\Users\Admin\AppData\Local\Temp\hjErac.exe
  C:\Users\Admin\AppData\Local\Temp\hjErac.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:2828
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2c582758.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1572

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\2c582758.bat

Filesize
187B

MD5
9086ff03297c7601782a270485497ebd

SHA1
0e7a9346357717bb8e08ec3e86ab0259067acb72

SHA256
7b611150f0dfec487df36114d45a44f43ca5ffd1d39b9f9b1b7115ddc2fc2f0f

SHA512
4fe4b35f619883cce92f97063bee323dda91de84e8c2f6fa42be742afaa5a7a066fc39eb4be9372fcbd998703351298b1194b223b6595d6a47eabcbe117056ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\44CD0D7D.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2828-4-0x0000000000090000-0x0000000000099000-memory.dmp

Filesize
36KB

Download
memory/2828-46-0x0000000000090000-0x0000000000099000-memory.dmp

Filesize
36KB

Download
memory/3988-0-0x0000000000040000-0x000000000004E000-memory.dmp

Filesize
56KB

Download
memory/3988-48-0x0000000000040000-0x000000000004E000-memory.dmp

Filesize
56KB

Download