bdaejec | 8e2770adb5828aaff604d8c73c0ef49adee3231441776c750cf5680541f3de43

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07/01/2025, 02:30

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General

Target

2025-01-07_dd114b1eeda8bfb3415c443509d484a2_smoke-loader_wapomi.exe
Size

80KB
MD5

dd114b1eeda8bfb3415c443509d484a2
SHA1

d3430ea93f9345e03b1b22725cd26cbeb9c68819
SHA256

8e2770adb5828aaff604d8c73c0ef49adee3231441776c750cf5680541f3de43
SHA512

8f5ce8fa6410b0213a0be232751b96265d6460dcba1b16a2f97c9735b73c13b88902920634e12e39284a0cd69fa31a8c7bcba78216149fa0a8bd0d5f2f7d7f98
SSDEEP

1536:Kg/6/tM8NXDjPX0QWlfGMckTQy3GCq2iW7z:Jk3U8kTQ4GCH

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/2668-14-0x0000000000F40000-0x0000000000F49000-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/0x00090000000120f9-9.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2668	KFeywW.exe

Loads dropped DLL 2 IoCs

pid	Process
2212	2025-01-07_dd114b1eeda8bfb3415c443509d484a2_smoke-loader_wapomi.exe
2212	2025-01-07_dd114b1eeda8bfb3415c443509d484a2_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\javadoc.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	KFeywW.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	KFeywW.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	KFeywW.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	KFeywW.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	KFeywW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	KFeywW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	KFeywW.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	KFeywW.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	KFeywW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	KFeywW.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	KFeywW.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	KFeywW.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	KFeywW.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	KFeywW.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	KFeywW.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	KFeywW.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	KFeywW.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	KFeywW.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	KFeywW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	KFeywW.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	KFeywW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	KFeywW.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	2025-01-07_dd114b1eeda8bfb3415c443509d484a2_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KFeywW.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2668	2212	2025-01-07_dd114b1eeda8bfb3415c443509d484a2_smoke-loader_wapomi.exe	31
PID 2212 wrote to memory of 2668	2212	2025-01-07_dd114b1eeda8bfb3415c443509d484a2_smoke-loader_wapomi.exe	31
PID 2212 wrote to memory of 2668	2212	2025-01-07_dd114b1eeda8bfb3415c443509d484a2_smoke-loader_wapomi.exe	31
PID 2212 wrote to memory of 2668	2212	2025-01-07_dd114b1eeda8bfb3415c443509d484a2_smoke-loader_wapomi.exe	31
PID 2668 wrote to memory of 1980	2668	KFeywW.exe	34
PID 2668 wrote to memory of 1980	2668	KFeywW.exe	34
PID 2668 wrote to memory of 1980	2668	KFeywW.exe	34
PID 2668 wrote to memory of 1980	2668	KFeywW.exe	34

C:\Users\Admin\AppData\Local\Temp\2025-01-07_dd114b1eeda8bfb3415c443509d484a2_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-07_dd114b1eeda8bfb3415c443509d484a2_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Users\Admin\AppData\Local\Temp\KFeywW.exe
  C:\Users\Admin\AppData\Local\Temp\KFeywW.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2668
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\2a4f672c.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1980

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\2a4f672c.bat

Filesize
187B

MD5
bbaeea3fcb00cc0948a25a6292080db0

SHA1
c72588807e1b30c4d330c581e4afac67b93aca97

SHA256
1958ec43e0726f9d13d0949ed0a14afa0c794c468e30802f64cd61dd59e175ee

SHA512
2eeeff45b671f37e5f033dfc188114d5baa0000d1c2382ee96c73b55cf2891eff38468d1d0ba2038714190d0321c8e0b589765591499c0e73e9400d5b0590379

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2212-8-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2212-3-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2668-10-0x0000000000F40000-0x0000000000F49000-memory.dmp

Filesize
36KB

Download
memory/2668-14-0x0000000000F40000-0x0000000000F49000-memory.dmp

Filesize
36KB

Download