bdaejec | 3ef8f8a2549b31f0b1a0f1e19a6ddd7a9c69071e7014e30f6a556e1c67454827

Resubmissions

03/08/2026, 16:07

260803-tky6yabh73

03/08/2026, 16:03

260803-tht47seq5z10

03/08/2026, 16:02

260803-tgrmpavtes5

Analysis

max time kernel
149s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
03/08/2026, 16:03

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General

Target
pawno/pawncc.exe
Size 557KB
Sample260803-tht47seq5z
SHA256 3ef8f8a2549b31f0b1a0f1e19a6ddd7a9c69071e7014e30f6a556e1c67454827
MD5 585450edaa259a8c3fc1870d360d986f
SHA1 b7ddf94449a4d3edb95b3ea88e6244d3b8ac50a6
SHA512 98ca30d552cb2dabe8f67973cf5e01ce6e44089bcd63a58a67aefded10be1d871cca1079c367679f8f544a3ae9d82adbea9bde49c8c2c43824e5ac4f8eae9328
SSDEEP 12288:ow67q3bHoA43r/Og9nZCIBXhgJ9u8tJfE0WLoO2ydwNWEC:oc3Tov7NCNRC
TLSH
T1A6C4BE5176F1D071C87280F6447BA72585FDB8204B6396D7F7C82A6E6F708C2A3376A2
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

aspackv2 backdoor discovery execution bdaejec

Malware Config

Extracted

Family

bdaejec

ddos.dnsnb8.net

Signatures

Family: Bdaejec
Bdaejec is a backdoor written in C++.
backdoor bdaejec

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral26/memory/2980-80-0x00000000004B0000-0x00000000004B9000-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
behavioral26/files/0x001e00000002b309-4.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2980	tWo.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	tWo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	tWo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	tWo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.2103.1172.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	tWo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	tWo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	tWo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	tWo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	tWo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.42251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	tWo.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	tWo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	tWo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	tWo.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	tWo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	tWo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	tWo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.40831.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	tWo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_1.0.22.0_x64__8wekyb3d8bbwe\Maps.exe	tWo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Paint_10.2104.17.0_x64__8wekyb3d8bbwe\PaintApp\mspaint.exe	tWo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	tWo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.32731.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	tWo.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	tWo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	tWo.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	tWo.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	tWo.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	tWo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingNews_1.0.6.0_x64__8wekyb3d8bbwe\NewsStub.exe	tWo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.6.3102.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	tWo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	tWo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	tWo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	tWo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	tWo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_2.2106.2807.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	tWo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	tWo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	tWo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	tWo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	tWo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.2012.21.0_x64__8wekyb3d8bbwe\Calculator.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	tWo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	tWo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.42251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	tWo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.42251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	tWo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.6.3102.0_x64__8wekyb3d8bbwe\Solitaire.exe	tWo.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	tWo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	tWo.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4492	cmd.exe

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	pawncc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tWo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 704 wrote to memory of 2980	704	pawncc.exe	81
PID 2980 wrote to memory of 4492	2980	tWo.exe	82

C:\Users\Admin\AppData\Local\Temp\pawno\pawncc.exe
"C:\Users\Admin\AppData\Local\Temp\pawno\pawncc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:704
- C:\Users\Admin\AppData\Local\Temp\tWo.exe
  C:\Users\Admin\AppData\Local\Temp\tWo.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2980
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0342779a.bat" "
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:4492

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

k2[1].rar

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\N6A0MYNN\k2[1].rar
Size 1B
SHA256 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
MD5 68b329da9893e34099c7d8ad5cb9c940
SHA1 adc83b19e793491b1c6ea0fd8b46cd9f32e592fc
SHA512 be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09
MD5 SHA1 SHA512

Submit Download

0342779a.bat

Path C:\Users\Admin\AppData\Local\Temp\0342779a.bat
Size 181B
SHA256 e520faad29557e6d46ff6fcce60dba6417893cb2a99bb7cdcc4dfae70a835f16
MD5 fbacdb9d29411413670a04fc7ef88a58
SHA1 b3ca23f5ee2b9c5dcf2d7b19001723892327acb4
SHA512 ff6ab9bf795d2cb5c616bfe7f458ce0f60021a08dccba555d97ff49460d1b80da74ca7239317b8a16a89d9c0adee6dc5823e0d65abe449f7c32f0de1af67cbe9
TLSH
T1DCC0120182E6C6591558621F06E1624DC0651C983F492B114B31845CB7A650DB5C3701
MD5 SHA1 SHA512 TLSH

Submit Download

14920D82.exe

Path C:\Users\Admin\AppData\Local\Temp\14920D82.exe
Size 1B
SHA256 08f271887ce94707da822d5263bae19d5519cb3614e0daedc4c7ce5dab7473f1
MD5 69691c7bdcc3ce6d5d8a1361f22d04ac
SHA1 c63ae6dd4fc9f9dda66970e827d13f7c73fe841c
SHA512 253405e03b91441a6dd354a9b72e040068b1bfe10e83eb1a64a086c05525d8ccae2bf09130c624af50d55c3522a4fbb7c18cfc8dd843e5f4801d9ad2b5164b12
MD5 SHA1 SHA512

Submit Download

rus.txt

Path C:\Users\Admin\AppData\Local\Temp\pawno\rus.txt
Size 2KB
SHA256 0b164009417838e2889e141fb726e18b16bc554c801d2d4c45d69fda8f2d0200
MD5 f945df537be68e7a6b8dd12cc53c527c
SHA1 fc6b14048d610dccef35921089620bc9cf20a9d4
SHA512 49ad43422485cc618ed54e0cbcfe495fc78ca4e4db7c001218a696442efe1fe044b65fc0a85b00366cd39fee2f260000429517dd2fe32324391c92d812eeb1ec
TLSH
T1F2512E11AF0D821126B771F312CB6580F738E29F339AB90675CD9580DF35EA2A3D7A21
MD5 SHA1 SHA512 TLSH

Submit Download

tWo.exe

Path C:\Users\Admin\AppData\Local\Temp\tWo.exe
Size 15KB
SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
MD5 56b2c3810dba2e939a8bb9fa36d3cf96
SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
TLSH
T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/704-0-0x00000000000E0000-0x0000000000174000-memory.dmp

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memory/704-51-0x00000000000E0000-0x0000000000174000-memory.dmp

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memory/2980-5-0x00000000004B0000-0x00000000004B9000-memory.dmp

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memory/2980-80-0x00000000004B0000-0x00000000004B9000-memory.dmp

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Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads