bdaejec | cff54830d0bf2be343708909d527196ddf8adf6fc95cd6507f9fd726aa912bcf

Analysis

max time kernel
134s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-10-2024 03:18

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General

Target

cff54830d0bf2be343708909d527196ddf8adf6fc95cd6507f9fd726aa912bcf.exe
Size

916KB
MD5

e9f71a38916908624af06f3fdf245cb9
SHA1

d31c2e2311fdbf45860a30b68d0666fabbb8121f
SHA256

cff54830d0bf2be343708909d527196ddf8adf6fc95cd6507f9fd726aa912bcf
SHA512

ee10e9753eecf96f5b8ff990b3eaf43c003bacb2f40069c582e593054e2670cc5d7c1eb9aa7c0ed8069700ad08b35990a076f6091d896dfe5c89eca66e87f81c
SSDEEP

12288:RW+6nspvQfwZzvuk/xvLbRNLizhh+WryKmczxWZvJ6xt1/St:RW+6Bfw9vu8xvnRNizW7Zh6f8t

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/3448-55-0x00000000001C0000-0x00000000001C9000-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/0x000a000000023c9a-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	uQyprY.exe

Executes dropped EXE 1 IoCs

pid	Process
3448	uQyprY.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	uQyprY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	uQyprY.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	uQyprY.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	uQyprY.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	uQyprY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	uQyprY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	uQyprY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	uQyprY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	uQyprY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	uQyprY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	uQyprY.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	uQyprY.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	uQyprY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	uQyprY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	uQyprY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	uQyprY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	uQyprY.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	uQyprY.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	uQyprY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	uQyprY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	uQyprY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	uQyprY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	uQyprY.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	uQyprY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	uQyprY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	uQyprY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	uQyprY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	uQyprY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	uQyprY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	uQyprY.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	uQyprY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	uQyprY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	uQyprY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	uQyprY.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	uQyprY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	uQyprY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	uQyprY.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	cff54830d0bf2be343708909d527196ddf8adf6fc95cd6507f9fd726aa912bcf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uQyprY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3160	cff54830d0bf2be343708909d527196ddf8adf6fc95cd6507f9fd726aa912bcf.exe
3160	cff54830d0bf2be343708909d527196ddf8adf6fc95cd6507f9fd726aa912bcf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3160	cff54830d0bf2be343708909d527196ddf8adf6fc95cd6507f9fd726aa912bcf.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3160	cff54830d0bf2be343708909d527196ddf8adf6fc95cd6507f9fd726aa912bcf.exe
3160	cff54830d0bf2be343708909d527196ddf8adf6fc95cd6507f9fd726aa912bcf.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 3448	3160	cff54830d0bf2be343708909d527196ddf8adf6fc95cd6507f9fd726aa912bcf.exe	84
PID 3160 wrote to memory of 3448	3160	cff54830d0bf2be343708909d527196ddf8adf6fc95cd6507f9fd726aa912bcf.exe	84
PID 3160 wrote to memory of 3448	3160	cff54830d0bf2be343708909d527196ddf8adf6fc95cd6507f9fd726aa912bcf.exe	84
PID 3448 wrote to memory of 2404	3448	uQyprY.exe	88
PID 3448 wrote to memory of 2404	3448	uQyprY.exe	88
PID 3448 wrote to memory of 2404	3448	uQyprY.exe	88

C:\Users\Admin\AppData\Local\Temp\cff54830d0bf2be343708909d527196ddf8adf6fc95cd6507f9fd726aa912bcf.exe
"C:\Users\Admin\AppData\Local\Temp\cff54830d0bf2be343708909d527196ddf8adf6fc95cd6507f9fd726aa912bcf.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3160
- C:\Users\Admin\AppData\Local\Temp\uQyprY.exe
  C:\Users\Admin\AppData\Local\Temp\uQyprY.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:3448
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\01c47564.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2404

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\01c47564.bat

Filesize
187B

MD5
983fe4d0d72f01a4cb209424faedf2a9

SHA1
7e07acc6fb2c880fd4b671dcb41ea0c31deae477

SHA256
14b64faaa80c826701445b6ecd246f6ad05e1e9540a19faa790980028e65ff27

SHA512
4075d0628f2d35801d4c4797c3c6ff66d1338cadf32cd891a308e0505038eb0ec45a419d7559ee69043876758c09c5c29b0be454000d30bf1e51cf36805a4322

Download Submit
C:\Users\Admin\AppData\Local\Temp\19C85B89.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3160-0-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/3160-57-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/3448-4-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download
memory/3448-55-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download