bdaejec | 4b10e0b045ca4b3f841a521c993f9e1daf7b6ce6cfe6cb0be95ca6e84acbac41

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 12:28

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General

Target

2024-12-30_85856482c1c320881623677723a068bf_mafia_wapomi.exe
Size

2.5MB
MD5

85856482c1c320881623677723a068bf
SHA1

d960566ab7df402ba961b507acd85760bebf26cd
SHA256

4b10e0b045ca4b3f841a521c993f9e1daf7b6ce6cfe6cb0be95ca6e84acbac41
SHA512

83376e625ba29f255e7b0ecacf2199076e118a437bcf178ecc207e81a2a8933c0ef3b9b4468ef9c3ab2d6beefce07910bdec67aaab1c16932d4f691bbe6f2266
SSDEEP

49152:IYgqNpq3yCTcQSj6MrYHH2fdruaQH4s3Wn6V:Ii3lEcQSXrUmuaQH4sG

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/1720-54-0x0000000000E50000-0x0000000000E59000-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/0x000c00000001202c-10.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1720	BslEtv.exe

Loads dropped DLL 2 IoCs

pid	Process
2648	2024-12-30_85856482c1c320881623677723a068bf_mafia_wapomi.exe
2648	2024-12-30_85856482c1c320881623677723a068bf_mafia_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\rmiregistry.exe	BslEtv.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	BslEtv.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	BslEtv.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	BslEtv.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{06715A9D-70D2-4C5C-9F8A-D2392905D83D}\chrome_installer.exe	BslEtv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	BslEtv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	BslEtv.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	BslEtv.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	BslEtv.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	BslEtv.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\sidebar.exe	BslEtv.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	BslEtv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	BslEtv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	BslEtv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	BslEtv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	BslEtv.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	BslEtv.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	BslEtv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	BslEtv.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	BslEtv.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	BslEtv.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	BslEtv.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	BslEtv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	BslEtv.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	BslEtv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	BslEtv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	BslEtv.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	BslEtv.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	BslEtv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	BslEtv.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	BslEtv.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	BslEtv.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	BslEtv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	BslEtv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	BslEtv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	BslEtv.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	BslEtv.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	BslEtv.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	BslEtv.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	BslEtv.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	2024-12-30_85856482c1c320881623677723a068bf_mafia_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BslEtv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 1720	2648	2024-12-30_85856482c1c320881623677723a068bf_mafia_wapomi.exe	30
PID 2648 wrote to memory of 1720	2648	2024-12-30_85856482c1c320881623677723a068bf_mafia_wapomi.exe	30
PID 2648 wrote to memory of 1720	2648	2024-12-30_85856482c1c320881623677723a068bf_mafia_wapomi.exe	30
PID 2648 wrote to memory of 1720	2648	2024-12-30_85856482c1c320881623677723a068bf_mafia_wapomi.exe	30
PID 1720 wrote to memory of 2756	1720	BslEtv.exe	32
PID 1720 wrote to memory of 2756	1720	BslEtv.exe	32
PID 1720 wrote to memory of 2756	1720	BslEtv.exe	32
PID 1720 wrote to memory of 2756	1720	BslEtv.exe	32

C:\Users\Admin\AppData\Local\Temp\2024-12-30_85856482c1c320881623677723a068bf_mafia_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-30_85856482c1c320881623677723a068bf_mafia_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Users\Admin\AppData\Local\Temp\BslEtv.exe
  C:\Users\Admin\AppData\Local\Temp\BslEtv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1720
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\1a974b40.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2756

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1a974b40.bat

Filesize
187B

MD5
fc1d36f4fec082993451622c27af4b24

SHA1
e1cda95dd621b56255548274de636c178e29659e

SHA256
23c5bea92db949fff53a5b91af61c6ee9bcb0e5f7e518fb77e78a4f58eb51a93

SHA512
4b3396130301e0d6bac49bdb3ea1f6709f4b30d3e193e26c9c0bcb124f640adf10939ae10797b8f1150ff17977f0197c8af49c1e7117b5306e74cc269998360b

Download Submit
C:\Users\Admin\AppData\Local\Temp\64F24D20.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1720-11-0x0000000000E50000-0x0000000000E59000-memory.dmp

Filesize
36KB

Download
memory/1720-54-0x0000000000E50000-0x0000000000E59000-memory.dmp

Filesize
36KB

Download
memory/2648-9-0x0000000000120000-0x0000000000129000-memory.dmp

Filesize
36KB

Download
memory/2648-8-0x0000000000120000-0x0000000000129000-memory.dmp

Filesize
36KB

Download
memory/2648-7-0x0000000000140000-0x00000000003D6000-memory.dmp

Filesize
2.6MB

Download
memory/2648-56-0x0000000000140000-0x00000000003D6000-memory.dmp

Filesize
2.6MB

Download
memory/2648-57-0x0000000000120000-0x0000000000122000-memory.dmp

Filesize
8KB

Download
memory/2648-58-0x0000000000140000-0x00000000003D6000-memory.dmp

Filesize
2.6MB

Download