bdaejec | 547c069760f8be2ec3b762a20f03bd7c913104c061804a29b31ee0d447c15ca1

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/11/2024, 01:46

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General

Target

2024-11-29_549cebf7010f2eda9036c905d6a9ba19_smoke-loader_wapomi.exe
Size

203KB
MD5

549cebf7010f2eda9036c905d6a9ba19
SHA1

fd04070adab1ff97aa3fcf38424a4662f8c20d85
SHA256

547c069760f8be2ec3b762a20f03bd7c913104c061804a29b31ee0d447c15ca1
SHA512

ac5f7404e2c7feae17b7480412b38c68a120e3c9ea54d22df85922434cb3f1f19471c4627ccc2f43e898719b8b2e441de2a8483c4adaf1ec8785a5a2ba23ef5d
SSDEEP

3072:h1TlCN3DeL0dA/VkvpS6zpQDt0v2E6LGHxdOWTtDwqytR2TBf9AqqpUwIwGCH:/lGXd4OvDzewKLGHj0qTBlznBt

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/2872-52-0x00000000013B0000-0x00000000013B9000-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/0x000b0000000122ea-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2872	tcotjs.exe

Loads dropped DLL 2 IoCs

pid	Process
540	2024-11-29_549cebf7010f2eda9036c905d6a9ba19_smoke-loader_wapomi.exe
540	2024-11-29_549cebf7010f2eda9036c905d6a9ba19_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\appletviewer.exe	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	tcotjs.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	tcotjs.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	tcotjs.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	tcotjs.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	tcotjs.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	tcotjs.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	tcotjs.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	tcotjs.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	tcotjs.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	tcotjs.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	tcotjs.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	tcotjs.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	tcotjs.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	tcotjs.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	tcotjs.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	tcotjs.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	tcotjs.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	tcotjs.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	tcotjs.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	tcotjs.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	tcotjs.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	tcotjs.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	tcotjs.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	tcotjs.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	tcotjs.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	tcotjs.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	tcotjs.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	tcotjs.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	tcotjs.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	tcotjs.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	tcotjs.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	tcotjs.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	tcotjs.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	tcotjs.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	tcotjs.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	tcotjs.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	tcotjs.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	tcotjs.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	tcotjs.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	tcotjs.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	tcotjs.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	2024-11-29_549cebf7010f2eda9036c905d6a9ba19_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tcotjs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 2872	540	2024-11-29_549cebf7010f2eda9036c905d6a9ba19_smoke-loader_wapomi.exe	31
PID 540 wrote to memory of 2872	540	2024-11-29_549cebf7010f2eda9036c905d6a9ba19_smoke-loader_wapomi.exe	31
PID 540 wrote to memory of 2872	540	2024-11-29_549cebf7010f2eda9036c905d6a9ba19_smoke-loader_wapomi.exe	31
PID 540 wrote to memory of 2872	540	2024-11-29_549cebf7010f2eda9036c905d6a9ba19_smoke-loader_wapomi.exe	31
PID 2872 wrote to memory of 2648	2872	tcotjs.exe	33
PID 2872 wrote to memory of 2648	2872	tcotjs.exe	33
PID 2872 wrote to memory of 2648	2872	tcotjs.exe	33
PID 2872 wrote to memory of 2648	2872	tcotjs.exe	33

C:\Users\Admin\AppData\Local\Temp\2024-11-29_549cebf7010f2eda9036c905d6a9ba19_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-29_549cebf7010f2eda9036c905d6a9ba19_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:540
- C:\Users\Admin\AppData\Local\Temp\tcotjs.exe
  C:\Users\Admin\AppData\Local\Temp\tcotjs.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\7e75378a.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2648

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\PLSLTMYI\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\4B5F3A2A.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7e75378a.bat

Filesize
187B

MD5
81f65460cf89eaaea0c7dcb1b5aa213e

SHA1
d04db0cc037d75bf80929fe1d611d29166f09147

SHA256
782e39838c251a9212e8ee5c89a473adb92a1be0163dab88cf3d06f96c2fed29

SHA512
1aa8979094ca3fb26bba1722ee74f9621a58e1fadcf2767462915775a8e0952522f91dc31142a4888d9f14615813ea6aec2e4b483552694accbb619360ceefe1

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/540-0-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/540-4-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/540-54-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/540-55-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/540-56-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2872-52-0x00000000013B0000-0x00000000013B9000-memory.dmp

Filesize
36KB

Download