bdaejec | d75ba6d93f633e603e7ff4983e55683f13267e6450159a99940cad1032a3f009

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 13:30

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General

Target

2024-12-25_9dbd43d3b9e7914237125834b22c5b39_smoke-loader_wapomi.exe
Size

80KB
MD5

9dbd43d3b9e7914237125834b22c5b39
SHA1

ea11d14c94315638ae2c89a8a9abf0f7abe6e3e4
SHA256

d75ba6d93f633e603e7ff4983e55683f13267e6450159a99940cad1032a3f009
SHA512

4fbf25947cd9a221d36290bc0599ba8bb8d62d67c476e43d22635c3c32cafb19f9a4a993d5740de16a1ad74fa2b7ab5c38a163f6ff5b4c8393514196641fee33
SSDEEP

1536:RfnLq01weW5yX3jFxv49Nu4GhQ5YGCq2iW7z:Y3ysTGhQ+GCH

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/2516-15-0x0000000000BE0000-0x0000000000BE9000-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/0x000b0000000120dc-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2516	MhJRHt.exe

Loads dropped DLL 2 IoCs

pid	Process
2984	2024-12-25_9dbd43d3b9e7914237125834b22c5b39_smoke-loader_wapomi.exe
2984	2024-12-25_9dbd43d3b9e7914237125834b22c5b39_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\rmic.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	MhJRHt.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	MhJRHt.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	MhJRHt.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	MhJRHt.exe
File opened for modification	C:\Program Files\ReadBlock.exe	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	MhJRHt.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	MhJRHt.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	MhJRHt.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	MhJRHt.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	MhJRHt.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_9dbd43d3b9e7914237125834b22c5b39_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MhJRHt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 2516	2984	2024-12-25_9dbd43d3b9e7914237125834b22c5b39_smoke-loader_wapomi.exe	31
PID 2984 wrote to memory of 2516	2984	2024-12-25_9dbd43d3b9e7914237125834b22c5b39_smoke-loader_wapomi.exe	31
PID 2984 wrote to memory of 2516	2984	2024-12-25_9dbd43d3b9e7914237125834b22c5b39_smoke-loader_wapomi.exe	31
PID 2984 wrote to memory of 2516	2984	2024-12-25_9dbd43d3b9e7914237125834b22c5b39_smoke-loader_wapomi.exe	31
PID 2516 wrote to memory of 1704	2516	MhJRHt.exe	35
PID 2516 wrote to memory of 1704	2516	MhJRHt.exe	35
PID 2516 wrote to memory of 1704	2516	MhJRHt.exe	35
PID 2516 wrote to memory of 1704	2516	MhJRHt.exe	35

C:\Users\Admin\AppData\Local\Temp\2024-12-25_9dbd43d3b9e7914237125834b22c5b39_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-25_9dbd43d3b9e7914237125834b22c5b39_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Users\Admin\AppData\Local\Temp\MhJRHt.exe
  C:\Users\Admin\AppData\Local\Temp\MhJRHt.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2516
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\7e6571ce.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1704

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\7e6571ce.bat

Filesize
187B

MD5
49c5d2fae6c7358da8d56cc225db21fb

SHA1
1d3fccee13cdca4615b2392403a86f30778eed3d

SHA256
779cef7a14755adf8a9ce1a2b2a294edad4a54b421d8bccf0ff9fb5a7a4d7cf8

SHA512
67593b13f610dd2586b36c547efcad5f87ddfd3aa324221abd4dc15c3ff523104fba0858d66529527737b62685418852ee49c01c3af17c20ed31300a26d10998

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2516-15-0x0000000000BE0000-0x0000000000BE9000-memory.dmp

Filesize
36KB

Download
memory/2984-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2984-11-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2984-6-0x0000000000BE0000-0x0000000000BE9000-memory.dmp

Filesize
36KB

Download
memory/2984-9-0x0000000000BE0000-0x0000000000BE9000-memory.dmp

Filesize
36KB

Download