bdaejec | 740cd1b8829c401e85acfd56e9ede355785bb6386d58516ba5a1394aef27b21a

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
02-01-2025 19:39

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General

Target

2025-01-02_9b86cd21a3cad98788780f701d849d41_smoke-loader_wapomi.exe
Size

36KB
MD5

9b86cd21a3cad98788780f701d849d41
SHA1

6b8f8b74557bd6fdfa937a5aafd3edfbed94b09a
SHA256

740cd1b8829c401e85acfd56e9ede355785bb6386d58516ba5a1394aef27b21a
SHA512

0bdaed5ba48cf979bdb3a275a84c251360bc98dfddfe9f5c3bb147bcce93640a6d37c302502deadd89651707a2f6e59506c8064161aee3994cb326f76436b460
SSDEEP

768:aA+m41HKUpOv068E4Mf4MMRt4MtV2n5fvQGPL4vzZq2o9W7GsxBbPr:aA+m6qqOcVEP87T2n5foGCq2iW7z

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/2088-16-0x0000000000CA0000-0x0000000000CA9000-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/0x000e000000013a51-8.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2088	nMjr.exe

Loads dropped DLL 2 IoCs

pid	Process
2164	2025-01-02_9b86cd21a3cad98788780f701d849d41_smoke-loader_wapomi.exe
2164	2025-01-02_9b86cd21a3cad98788780f701d849d41_smoke-loader_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	nMjr.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	nMjr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	nMjr.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	nMjr.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	nMjr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	nMjr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	nMjr.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	nMjr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	nMjr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	nMjr.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	nMjr.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	nMjr.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	nMjr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	nMjr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	nMjr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	nMjr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	nMjr.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	nMjr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	nMjr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	nMjr.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	nMjr.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	nMjr.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	nMjr.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	nMjr.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	nMjr.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	nMjr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	nMjr.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	nMjr.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	nMjr.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	nMjr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	nMjr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	nMjr.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	nMjr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	nMjr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	nMjr.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	nMjr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	nMjr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	nMjr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	nMjr.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	2025-01-02_9b86cd21a3cad98788780f701d849d41_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nMjr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2164	2025-01-02_9b86cd21a3cad98788780f701d849d41_smoke-loader_wapomi.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 2088	2164	2025-01-02_9b86cd21a3cad98788780f701d849d41_smoke-loader_wapomi.exe	31
PID 2164 wrote to memory of 2088	2164	2025-01-02_9b86cd21a3cad98788780f701d849d41_smoke-loader_wapomi.exe	31
PID 2164 wrote to memory of 2088	2164	2025-01-02_9b86cd21a3cad98788780f701d849d41_smoke-loader_wapomi.exe	31
PID 2164 wrote to memory of 2088	2164	2025-01-02_9b86cd21a3cad98788780f701d849d41_smoke-loader_wapomi.exe	31
PID 2088 wrote to memory of 1744	2088	nMjr.exe	35
PID 2088 wrote to memory of 1744	2088	nMjr.exe	35
PID 2088 wrote to memory of 1744	2088	nMjr.exe	35
PID 2088 wrote to memory of 1744	2088	nMjr.exe	35

C:\Users\Admin\AppData\Local\Temp\2025-01-02_9b86cd21a3cad98788780f701d849d41_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-02_9b86cd21a3cad98788780f701d849d41_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Users\Admin\AppData\Local\Temp\nMjr.exe
  C:\Users\Admin\AppData\Local\Temp\nMjr.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2088
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\3e9a6911.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1744

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\3e9a6911.bat

Filesize
183B

MD5
94b02768a950286e9f6ebfc43caa1a44

SHA1
ef4ea548ab9d957d3b60d9b9afa60b8aa1a5bc79

SHA256
2faa279c577af6361a7a88ec75693a3e7a0d36729f4b54fef134ae57a51c3e0b

SHA512
f1bd70dd2c50fcdf0b3bdf11217ce64540b8c74127772ead0fc9b4557dec5c287ee7b70ec7e234588e76babef356d2000e5a3ef7f7422bf9302891e6cc01abae

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2088-11-0x0000000000CA0000-0x0000000000CA9000-memory.dmp

Filesize
36KB

Download
memory/2088-16-0x0000000000CA0000-0x0000000000CA9000-memory.dmp

Filesize
36KB

Download
memory/2164-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2164-10-0x00000000003C0000-0x00000000003C9000-memory.dmp

Filesize
36KB

Download
memory/2164-9-0x00000000003C0000-0x00000000003C9000-memory.dmp

Filesize
36KB

Download
memory/2164-15-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download