bdaejec | 28f3be1f3255b3e64a8b4a04acdf846d9b6956ff56216bb7bbca5b141f40ae57

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 20:25

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General

Target

2024-12-25_f9507da928fa9a7a8cd3d5c3e905baff_smoke-loader_wapomi.exe
Size

80KB
MD5

f9507da928fa9a7a8cd3d5c3e905baff
SHA1

00fbb78297b670d867e78ff173934b7f6ad830ba
SHA256

28f3be1f3255b3e64a8b4a04acdf846d9b6956ff56216bb7bbca5b141f40ae57
SHA512

11869914ae21598b423ab54611ae8bbcb0b6105af37280c3522fb7a86a5b64ce68c33fc5d2aa136de2a22cb54a8278bcc8ec0b1ba562edf249e7e4ee9b403914
SSDEEP

1536:RfnLq01weW5yX3jFxv49Nu4GhQ+EGCq2iW7z:Y3ysTGhQbGCH

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/2164-54-0x00000000002E0000-0x00000000002E9000-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/0x000a00000001202c-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2164	aUhdZb.exe

Loads dropped DLL 2 IoCs

pid	Process
1944	2024-12-25_f9507da928fa9a7a8cd3d5c3e905baff_smoke-loader_wapomi.exe
1944	2024-12-25_f9507da928fa9a7a8cd3d5c3e905baff_smoke-loader_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	aUhdZb.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	aUhdZb.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	aUhdZb.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	aUhdZb.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	aUhdZb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	aUhdZb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	aUhdZb.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_f9507da928fa9a7a8cd3d5c3e905baff_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aUhdZb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 2164	1944	2024-12-25_f9507da928fa9a7a8cd3d5c3e905baff_smoke-loader_wapomi.exe	31
PID 1944 wrote to memory of 2164	1944	2024-12-25_f9507da928fa9a7a8cd3d5c3e905baff_smoke-loader_wapomi.exe	31
PID 1944 wrote to memory of 2164	1944	2024-12-25_f9507da928fa9a7a8cd3d5c3e905baff_smoke-loader_wapomi.exe	31
PID 1944 wrote to memory of 2164	1944	2024-12-25_f9507da928fa9a7a8cd3d5c3e905baff_smoke-loader_wapomi.exe	31
PID 2164 wrote to memory of 1440	2164	aUhdZb.exe	33
PID 2164 wrote to memory of 1440	2164	aUhdZb.exe	33
PID 2164 wrote to memory of 1440	2164	aUhdZb.exe	33
PID 2164 wrote to memory of 1440	2164	aUhdZb.exe	33

C:\Users\Admin\AppData\Local\Temp\2024-12-25_f9507da928fa9a7a8cd3d5c3e905baff_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-25_f9507da928fa9a7a8cd3d5c3e905baff_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Users\Admin\AppData\Local\Temp\aUhdZb.exe
  C:\Users\Admin\AppData\Local\Temp\aUhdZb.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2164
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\236e0742.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1440

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\Microsoft\Windows\Temporary Internet Files\Content.IE5\K0PVW9XR\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\19EB20B0.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\236e0742.bat

Filesize
187B

MD5
abcbb467079a766f3c61e76563df88dd

SHA1
b4792d1fd1ed98252d773294a7ed8e386ad977c6

SHA256
f9ccf2f14a89cb84f78aa691923d731f661b1837eafeadea00108fff6668f7bd

SHA512
ab3236d4044f8e1a0ce6ca84acbb5745c594947c9fa2bb12571354ba4a7c8d18c47e2b191c7e96227070ab5d3a443a9bd5640240af6b193c7151792a4450c52b

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1944-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1944-4-0x00000000002E0000-0x00000000002E9000-memory.dmp

Filesize
36KB

Download
memory/1944-10-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2164-11-0x00000000002E0000-0x00000000002E9000-memory.dmp

Filesize
36KB

Download
memory/2164-54-0x00000000002E0000-0x00000000002E9000-memory.dmp

Filesize
36KB

Download