bdaejec | 4c95f169b3e3ed641e33cfe1f9e2367ded85a03ac302fb565011287bc0785efc

Analysis

max time kernel
140s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2025 13:46

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General

Target

4c95f169b3e3ed641e33cfe1f9e2367ded85a03ac302fb565011287bc0785efc.exe
Size

4.7MB
MD5

d1b38387442bc8750f7bf876f6218000
SHA1

be79b8bf467fcf15471ba74201b46ab724e8fd3b
SHA256

4c95f169b3e3ed641e33cfe1f9e2367ded85a03ac302fb565011287bc0785efc
SHA512

8f35d255c11fa7e88183ac5cfabfa44a964d38730d191c00f353d64fd1c6dbe7cb7596a6c7ea746ffe038cca0affa2f3cac221ed2ffe8038773051ca95f51398
SSDEEP

98304:pdIQV8bO+22GMg0G7OB+zaESOsGu3gva5vj6FTemA/ZHM5QyRZTlpkQkReHl:8QyQ2gaB+/AGA9v+6m4avltkRe

Score

10^/10

bdaejec blackmoon aspackv2 backdoor banker discovery trojan

Malware Config

Extracted

Family

bdaejec

ddos.dnsnb8.net

Signatures

Bdaejec
Bdaejec is a backdoor written in C++.
backdoor bdaejec
Bdaejec family
bdaejec
Blackmoon family
blackmoon
Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
trojan banker blackmoon

Detect Blackmoon payload 1 IoCs

resource	yara_rule
behavioral2/memory/1868-48-0x0000000000400000-0x0000000000A43000-memory.dmp	family_blackmoon

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/4920-46-0x0000000000090000-0x0000000000099000-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/0x0008000000023cca-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	UIsTdz.exe

Executes dropped EXE 1 IoCs

pid	Process
4920	UIsTdz.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	UIsTdz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	UIsTdz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	UIsTdz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	UIsTdz.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	UIsTdz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	UIsTdz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	UIsTdz.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	UIsTdz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	UIsTdz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	UIsTdz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	UIsTdz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	UIsTdz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	UIsTdz.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	UIsTdz.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	UIsTdz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	UIsTdz.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	UIsTdz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	UIsTdz.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	UIsTdz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	UIsTdz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	UIsTdz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	UIsTdz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	UIsTdz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	UIsTdz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	UIsTdz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	UIsTdz.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	4c95f169b3e3ed641e33cfe1f9e2367ded85a03ac302fb565011287bc0785efc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UIsTdz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1868	4c95f169b3e3ed641e33cfe1f9e2367ded85a03ac302fb565011287bc0785efc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 4920	1868	4c95f169b3e3ed641e33cfe1f9e2367ded85a03ac302fb565011287bc0785efc.exe	84
PID 1868 wrote to memory of 4920	1868	4c95f169b3e3ed641e33cfe1f9e2367ded85a03ac302fb565011287bc0785efc.exe	84
PID 1868 wrote to memory of 4920	1868	4c95f169b3e3ed641e33cfe1f9e2367ded85a03ac302fb565011287bc0785efc.exe	84
PID 4920 wrote to memory of 1748	4920	UIsTdz.exe	85
PID 4920 wrote to memory of 1748	4920	UIsTdz.exe	85
PID 4920 wrote to memory of 1748	4920	UIsTdz.exe	85

C:\Users\Admin\AppData\Local\Temp\4c95f169b3e3ed641e33cfe1f9e2367ded85a03ac302fb565011287bc0785efc.exe
"C:\Users\Admin\AppData\Local\Temp\4c95f169b3e3ed641e33cfe1f9e2367ded85a03ac302fb565011287bc0785efc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Users\Admin\AppData\Local\Temp\UIsTdz.exe
  C:\Users\Admin\AppData\Local\Temp\UIsTdz.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:4920
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2691563b.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1748

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\PGH3GSHW\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\2691563b.bat

Filesize
187B

MD5
1781c0566881c7c1bd3a2624f8bfd858

SHA1
973db9fc5644b98ccfb764224edac10935e7919f

SHA256
b7c2dc0aee0ea0e4d44e570ba37171a37987f5e1c783f5ef96e587f320a045e0

SHA512
48ccf934fefb4418ec3d6877abed81a26f775500694327655f9c185ea2d9159fd2eeb0b8e149673e3b41ae73ddf678d8c3c33119edf594799225f16574ffe920

Download Submit
C:\Users\Admin\AppData\Local\Temp\7DA77C30.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1868-0-0x0000000000400000-0x0000000000A43000-memory.dmp

Filesize
6.3MB

Download
memory/1868-48-0x0000000000400000-0x0000000000A43000-memory.dmp

Filesize
6.3MB

Download
memory/4920-4-0x0000000000090000-0x0000000000099000-memory.dmp

Filesize
36KB

Download
memory/4920-46-0x0000000000090000-0x0000000000099000-memory.dmp

Filesize
36KB

Download