bdaejec | c0b58666d46455cc422c2ed59ce676d6ec89fe56e5d908f63821022ec281a60e

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 02:28

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General

Target

2025-01-07_be58bb93c3d3c0ec2741c8546c989385_smoke-loader_wapomi.exe
Size

80KB
MD5

be58bb93c3d3c0ec2741c8546c989385
SHA1

c9dcb1b1fd160e5547a36d76bc59c05e66909e92
SHA256

c0b58666d46455cc422c2ed59ce676d6ec89fe56e5d908f63821022ec281a60e
SHA512

e93d6a14cf12b80e859a7a2fd408182b4c3ffbe7d59fc32b10aa0f70f01fdf31b7a7a36f7e36b17be68bd1d1cb46f9ad5a5f7f9e78575f453959e1cb6eb3f8e9
SSDEEP

1536:Yg/6/tM8NXDjPX0QWlfGMckTQEmGCq2iW7z:Hk3U8kTQ3GCH

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/2040-8-0x0000000000530000-0x0000000000539000-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/0x000c000000023b23-3.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	jsim.exe

Executes dropped EXE 1 IoCs

pid	Process
2040	jsim.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	jsim.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	jsim.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	jsim.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	jsim.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	jsim.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	jsim.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	jsim.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	jsim.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	jsim.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	jsim.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	jsim.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	jsim.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	jsim.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	jsim.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	jsim.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	jsim.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	jsim.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	jsim.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	jsim.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	jsim.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	jsim.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	jsim.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	jsim.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	jsim.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	jsim.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	jsim.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	jsim.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	jsim.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	jsim.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	jsim.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	jsim.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	jsim.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	jsim.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	jsim.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	jsim.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	jsim.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	jsim.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	jsim.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	jsim.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	jsim.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	jsim.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-07_be58bb93c3d3c0ec2741c8546c989385_smoke-loader_wapomi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 2040	4712	2025-01-07_be58bb93c3d3c0ec2741c8546c989385_smoke-loader_wapomi.exe	83
PID 4712 wrote to memory of 2040	4712	2025-01-07_be58bb93c3d3c0ec2741c8546c989385_smoke-loader_wapomi.exe	83
PID 4712 wrote to memory of 2040	4712	2025-01-07_be58bb93c3d3c0ec2741c8546c989385_smoke-loader_wapomi.exe	83
PID 2040 wrote to memory of 1040	2040	jsim.exe	93
PID 2040 wrote to memory of 1040	2040	jsim.exe	93
PID 2040 wrote to memory of 1040	2040	jsim.exe	93

C:\Users\Admin\AppData\Local\Temp\2025-01-07_be58bb93c3d3c0ec2741c8546c989385_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-07_be58bb93c3d3c0ec2741c8546c989385_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Users\Admin\AppData\Local\Temp\jsim.exe
  C:\Users\Admin\AppData\Local\Temp\jsim.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:2040
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7af90de0.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1040

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\Temp\7af90de0.bat

Filesize
183B

MD5
6ef85f6bf8186c0c3a7884a39c859102

SHA1
e60ad120b2f6f021615a89d6ed7b5e12ad5b93cb

SHA256
1b0fa853d4008f5b388b9ea088b863f1f93c8f4901bf632725b77a2809f34bbf

SHA512
0fe168937c3ce31fbfb9978242952bb21320610622a95d311e81405db535bb9bc9a0799699c7d49e1e04b2b9decf7897d7a360cd25f3c9e098d498a58b95d093

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2040-5-0x0000000000530000-0x0000000000539000-memory.dmp

Filesize
36KB

Download
memory/2040-8-0x0000000000530000-0x0000000000539000-memory.dmp

Filesize
36KB

Download
memory/4712-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4712-6-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download