bdaejec | be1cf2b98c7413a7321e5d261a4e411088f39052418bb7a59b6fd3b5b36a354f

Analysis

max time kernel
104s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
23/03/2025, 10:53

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General

Target

2025-03-23_d30f699a0d5a4ad55a9c8b6a978fad48_smoke-loader_wapomi.exe
Size

42KB
MD5

d30f699a0d5a4ad55a9c8b6a978fad48
SHA1

c341c75c0537381d28005250d4a811b1cc69bc76
SHA256

be1cf2b98c7413a7321e5d261a4e411088f39052418bb7a59b6fd3b5b36a354f
SHA512

4e2f1807abb993dcce3a910a0fdb7d6d655260ae24be3c782135fd71f514916fb9c686687d4b0db6393a25af767ac01372419df9513645463b1221e0725f0773
SSDEEP

768:7ofFhw9NkRKFqIA4Q0ndmMI15glZBfnHQGPL4vzZq2o9W7GsxBbPr:waKK3mM45ghfwGCq2iW7z

Score

10^/10

bdaejec aspackv2 backdoor discovery upx

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/1916-48-0x0000000000420000-0x0000000000429000-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/0x0008000000023502-3.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-1-5-21-1062200478-553497403-3857448183-1000\Control Panel\International\Geo\Nation	ZKJkoM.exe

Executes dropped EXE 1 IoCs

pid	Process
1916	ZKJkoM.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5176-0-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral2/memory/5176-7-0x0000000000400000-0x000000000041B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	ZKJkoM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	ZKJkoM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	ZKJkoM.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\133.0.6943.60\Installer\chrmstp.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	ZKJkoM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	ZKJkoM.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	ZKJkoM.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	ZKJkoM.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	ZKJkoM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	ZKJkoM.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	ZKJkoM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	ZKJkoM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	ZKJkoM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	ZKJkoM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	ZKJkoM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	ZKJkoM.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	2025-03-23_d30f699a0d5a4ad55a9c8b6a978fad48_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ZKJkoM.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5176 wrote to memory of 1916	5176	2025-03-23_d30f699a0d5a4ad55a9c8b6a978fad48_smoke-loader_wapomi.exe	86
PID 5176 wrote to memory of 1916	5176	2025-03-23_d30f699a0d5a4ad55a9c8b6a978fad48_smoke-loader_wapomi.exe	86
PID 5176 wrote to memory of 1916	5176	2025-03-23_d30f699a0d5a4ad55a9c8b6a978fad48_smoke-loader_wapomi.exe	86
PID 1916 wrote to memory of 4780	1916	ZKJkoM.exe	91
PID 1916 wrote to memory of 4780	1916	ZKJkoM.exe	91
PID 1916 wrote to memory of 4780	1916	ZKJkoM.exe	91

C:\Users\Admin\AppData\Local\Temp\2025-03-23_d30f699a0d5a4ad55a9c8b6a978fad48_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-23_d30f699a0d5a4ad55a9c8b6a978fad48_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5176
- C:\Users\Admin\AppData\Local\Temp\ZKJkoM.exe
  C:\Users\Admin\AppData\Local\Temp\ZKJkoM.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:1916
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7b9b5082.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4780

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\463FIIFI\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\17C86E7D.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7b9b5082.bat

Filesize
187B

MD5
e7a82083b057ada1ceef4dc9882f4a82

SHA1
859a033cd2271a6c3392117f6616dcd5d5b86563

SHA256
b6cd89add0f7f24a3d3c5e24b8520151c9dd6bf5be69def01fda1e013e8e14b6

SHA512
5478ad3d9ebaa03465f60a1a3d62740236fdd0ee4a46346cb19c76632ce3b0a1cf550dc5f85938972e10bdd959752a828e6a1c17e0d4c83426eb4459a720eaff

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1916-4-0x0000000000420000-0x0000000000429000-memory.dmp

Filesize
36KB

Download
memory/1916-48-0x0000000000420000-0x0000000000429000-memory.dmp

Filesize
36KB

Download
memory/5176-0-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/5176-7-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download