bdaejec | e0863f9163858e66bdbf3cefea11273ce1755bf5345e09931ae925f0073edf42

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 20:29

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General

Target

2024-12-25_ef487a31124c38e76b3475498ae8b2cc_smoke-loader_wapomi.exe
Size

80KB
MD5

ef487a31124c38e76b3475498ae8b2cc
SHA1

59988588c019722f3b4e91e33e16ab5a171134b3
SHA256

e0863f9163858e66bdbf3cefea11273ce1755bf5345e09931ae925f0073edf42
SHA512

a4ff6cab3d1628bee176c4d913900f12d3b4bb6d82fa0a8f3806712acb2ead35077ad34c47c09e36aeb10e2e37fc57cde8dc322013daf298104e32aabd8bdc66
SSDEEP

1536:Yg/6/tM8NXDjPX0QWlfGMckTQ/EGCq2iW7z:Hk3U8kTQMGCH

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/1932-20-0x0000000000BC0000-0x0000000000BC9000-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/0x000700000001211a-4.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1932	YzMZXL.exe

Loads dropped DLL 2 IoCs

pid	Process
2080	2024-12-25_ef487a31124c38e76b3475498ae8b2cc_smoke-loader_wapomi.exe
2080	2024-12-25_ef487a31124c38e76b3475498ae8b2cc_smoke-loader_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	YzMZXL.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	YzMZXL.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{5EB8F02B-573C-439E-BE36-635B3B6563D9}\chrome_installer.exe	YzMZXL.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	YzMZXL.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	YzMZXL.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	2024-12-25_ef487a31124c38e76b3475498ae8b2cc_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	YzMZXL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 1932	2080	2024-12-25_ef487a31124c38e76b3475498ae8b2cc_smoke-loader_wapomi.exe	30
PID 2080 wrote to memory of 1932	2080	2024-12-25_ef487a31124c38e76b3475498ae8b2cc_smoke-loader_wapomi.exe	30
PID 2080 wrote to memory of 1932	2080	2024-12-25_ef487a31124c38e76b3475498ae8b2cc_smoke-loader_wapomi.exe	30
PID 2080 wrote to memory of 1932	2080	2024-12-25_ef487a31124c38e76b3475498ae8b2cc_smoke-loader_wapomi.exe	30
PID 1932 wrote to memory of 2864	1932	YzMZXL.exe	33
PID 1932 wrote to memory of 2864	1932	YzMZXL.exe	33
PID 1932 wrote to memory of 2864	1932	YzMZXL.exe	33
PID 1932 wrote to memory of 2864	1932	YzMZXL.exe	33

C:\Users\Admin\AppData\Local\Temp\2024-12-25_ef487a31124c38e76b3475498ae8b2cc_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-25_ef487a31124c38e76b3475498ae8b2cc_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Users\Admin\AppData\Local\Temp\YzMZXL.exe
  C:\Users\Admin\AppData\Local\Temp\YzMZXL.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1932
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\0ffa6ae7.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2864

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\0ffa6ae7.bat

Filesize
187B

MD5
92e026dcea5f1c8a97c42ae4598692e7

SHA1
62e18b7194056c1ea9d7fb7b9b526bd4c620d2c1

SHA256
0e43dad67ed55a28bc1f5916e37d2290ea03adbd5c2f0235353b97b684372c16

SHA512
c7f37757366855dec2f6c436fdeb7c3f5638bc8e5b61590326ad04fdc5d2aa38febdd29fc670be87ba151df7808928c42ecc124899ba465ccebd7021c83ec98f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1932-10-0x0000000000BC0000-0x0000000000BC9000-memory.dmp

Filesize
36KB

Download
memory/1932-20-0x0000000000BC0000-0x0000000000BC9000-memory.dmp

Filesize
36KB

Download
memory/2080-1-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2080-8-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download