bdaejec | d59f0807902e89eee53db2a85bab6131700fa6be2d36604cc32efe71c94ad6bf

Analysis

max time kernel
144s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/12/2024, 11:57

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General

Target

2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe
Size

1.2MB
MD5

b3670f2666c0f3ccb9456e0aab00480d
SHA1

3a9efa649fecc41fd2e5b05630504452ce9d3bb5
SHA256

d59f0807902e89eee53db2a85bab6131700fa6be2d36604cc32efe71c94ad6bf
SHA512

2b3cea482fe944b0d7f3515abf8f9e6534c857622d0d26dd0bdcbd34e545a411e0222dfb129ec19709e516e999eef0e8c2b0f7db248dd5f1fcb445089c9c1de6
SSDEEP

24576:07GO7dtrjrICw9XuXo7beSTdt5xbX02uvfTXfBxrj3d5E/jKQvVj4YpdjYY0td78:1EtnrICSooGSTD5xbX022fjBxrj3

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. 2 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral1/memory/2544-12-0x0000000000960000-0x0000000000969000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/2544-35-0x0000000000960000-0x0000000000969000-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/0x000b000000012253-1.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2544	cxaFhI.exe

Loads dropped DLL 2 IoCs

pid	Process
2400	2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe
2400	2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	cxaFhI.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	cxaFhI.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\sidebar.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	cxaFhI.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	cxaFhI.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	cxaFhI.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cxaFhI.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2544	2400	2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe	30
PID 2400 wrote to memory of 2544	2400	2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe	30
PID 2400 wrote to memory of 2544	2400	2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe	30
PID 2400 wrote to memory of 2544	2400	2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe	30
PID 2544 wrote to memory of 2812	2544	cxaFhI.exe	32
PID 2544 wrote to memory of 2812	2544	cxaFhI.exe	32
PID 2544 wrote to memory of 2812	2544	cxaFhI.exe	32
PID 2544 wrote to memory of 2812	2544	cxaFhI.exe	32

C:\Users\Admin\AppData\Local\Temp\2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Users\Admin\AppData\Local\Temp\cxaFhI.exe
  C:\Users\Admin\AppData\Local\Temp\cxaFhI.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\5fd7648f.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2812

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\505449F4.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\5fd7648f.bat

Filesize
187B

MD5
89ee768dc928607862dfc089961a058d

SHA1
3d3265e17478f712a68392d0fc565d9a50cd176f

SHA256
75876c1a137bc27d40ca5e8bf2b6138799223627344a81b7b80498466cfa6769

SHA512
2734959e14d5ffd2ad4339b91be3bfb43fc7340e808eb1660e7d8456fbe0a4ac37a5fef1c9e9cf40f565d6f72d84bc0993a1212e2f8a9c1011c02439f00b483d

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2400-9-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2400-8-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2400-7-0x0000000000400000-0x000000000053D000-memory.dmp

Filesize
1.2MB

Download
memory/2400-37-0x0000000000400000-0x000000000053D000-memory.dmp

Filesize
1.2MB

Download
memory/2400-38-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2400-39-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2544-12-0x0000000000960000-0x0000000000969000-memory.dmp

Filesize
36KB

Download
memory/2544-35-0x0000000000960000-0x0000000000969000-memory.dmp

Filesize
36KB

Download