bdaejec | b7e7f159d2764c8882c5105ee00ef1eda2da921cc98a39e8ec85c6edfdbdc902

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 00:52

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General

Target

2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe
Size

2.7MB
MD5

240a9ee7cdbab77a91c67f371c6ba141
SHA1

2631d1ebc245f3e82189ac301bddffecf425f9fa
SHA256

b7e7f159d2764c8882c5105ee00ef1eda2da921cc98a39e8ec85c6edfdbdc902
SHA512

8d8bc0ac1e7b0746c5d80e2e762f9b6bab429368dc3cb7413381d0c3ff4eb672106c35aeb961a8d94cfd965b62ad5b647db515fd9d020800681b189095129e1d
SSDEEP

49152:X4R58S5N0HB/bbICMmT5txA4BbFldYnJTSoFqpx0O9XLQG+p0ImszXiWA06Ygzes:X4R58S5N0HB/bbICMmT5txA4BbFldYns

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
behavioral1/memory/2816-16-0x0000000001040000-0x0000000001049000-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
behavioral1/files/0x000e000000012275-3.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2816	Zudwyc.exe

Loads dropped DLL 2 IoCs

pid	Process
2800	2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe
2800	2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	Zudwyc.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	Zudwyc.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{5EB8F02B-573C-439E-BE36-635B3B6563D9}\chrome_installer.exe	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	Zudwyc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	Zudwyc.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	Zudwyc.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	Zudwyc.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	Zudwyc.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	2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Zudwyc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2800	2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe
2800	2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe
2800	2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 2816	2800	2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe	31
PID 2800 wrote to memory of 2816	2800	2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe	31
PID 2800 wrote to memory of 2816	2800	2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe	31
PID 2800 wrote to memory of 2816	2800	2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe	31
PID 2816 wrote to memory of 1832	2816	Zudwyc.exe	33
PID 2816 wrote to memory of 1832	2816	Zudwyc.exe	33
PID 2816 wrote to memory of 1832	2816	Zudwyc.exe	33
PID 2816 wrote to memory of 1832	2816	Zudwyc.exe	33

C:\Users\Admin\AppData\Local\Temp\2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Users\Admin\AppData\Local\Temp\Zudwyc.exe
  C:\Users\Admin\AppData\Local\Temp\Zudwyc.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\37ec285d.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

C:\Users\Admin\AppData\Local\Temp\1E34552C.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\37ec285d.bat

Filesize
187B

MD5
8b45ef618ff4246111bc0ff290e5cf1e

SHA1
490199cd842d8e0485f62f6a89b4af3479c2b7f1

SHA256
f171490cef4fc1123f93952eb01444c6b738515e28e5e37697cb015efcb86e2b

SHA512
6e1ed2fd456afb82c981e2c7fb3bb58b601417a55d734acdb6f3fb1ed26e70946ec4a91fdaf9d6d083c6490fce2642160bec74ff2236157513ed8f43581b1321

Download Submit
\Users\Admin\AppData\Local\Temp\Zudwyc.exe

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2800-11-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2800-9-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2800-8-0x0000000000400000-0x00000000006BA000-memory.dmp

Filesize
2.7MB

Download
memory/2800-15-0x0000000000400000-0x00000000006BA000-memory.dmp

Filesize
2.7MB

Download
memory/2800-44-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2800-45-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2816-10-0x0000000001040000-0x0000000001049000-memory.dmp

Filesize
36KB

Download
memory/2816-16-0x0000000001040000-0x0000000001049000-memory.dmp

Filesize
36KB

Download