bdaejec | 2f1d77a17f8e281a3123ab44ff264896b6a78c9916b4d76b447f017e19b23981

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/01/2025, 22:00

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General

Target

2f1d77a17f8e281a3123ab44ff264896b6a78c9916b4d76b447f017e19b23981.exe
Size

80KB
MD5

ace412990d9ddfaadfeff468500c5d5a
SHA1

367b0144cf565e0a3d2af2d33707b9be92c639b8
SHA256

2f1d77a17f8e281a3123ab44ff264896b6a78c9916b4d76b447f017e19b23981
SHA512

75ec579004dc8ecdffef028bafc1dd12c73b3226ec1ffc34f409658e3c876c12ee0640cf5670877f55efe4c68e99eeabfd856ca13317cd0f0e4827372b8ca67d
SSDEEP

1536:Yg/6/tM8NXDjPX0QWlfGMckTQ25GCq2iW7z:Hk3U8kTQOGCH

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/2272-51-0x0000000000CE0000-0x0000000000CE9000-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/0x0007000000012117-1.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2272	BfXBcV.exe

Loads dropped DLL 2 IoCs

pid	Process
2420	2f1d77a17f8e281a3123ab44ff264896b6a78c9916b4d76b447f017e19b23981.exe
2420	2f1d77a17f8e281a3123ab44ff264896b6a78c9916b4d76b447f017e19b23981.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	BfXBcV.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	BfXBcV.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	BfXBcV.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	BfXBcV.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	BfXBcV.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\sidebar.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	BfXBcV.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	2f1d77a17f8e281a3123ab44ff264896b6a78c9916b4d76b447f017e19b23981.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BfXBcV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2272	2420	2f1d77a17f8e281a3123ab44ff264896b6a78c9916b4d76b447f017e19b23981.exe	30
PID 2420 wrote to memory of 2272	2420	2f1d77a17f8e281a3123ab44ff264896b6a78c9916b4d76b447f017e19b23981.exe	30
PID 2420 wrote to memory of 2272	2420	2f1d77a17f8e281a3123ab44ff264896b6a78c9916b4d76b447f017e19b23981.exe	30
PID 2420 wrote to memory of 2272	2420	2f1d77a17f8e281a3123ab44ff264896b6a78c9916b4d76b447f017e19b23981.exe	30
PID 2272 wrote to memory of 1976	2272	BfXBcV.exe	31
PID 2272 wrote to memory of 1976	2272	BfXBcV.exe	31
PID 2272 wrote to memory of 1976	2272	BfXBcV.exe	31
PID 2272 wrote to memory of 1976	2272	BfXBcV.exe	31

C:\Users\Admin\AppData\Local\Temp\2f1d77a17f8e281a3123ab44ff264896b6a78c9916b4d76b447f017e19b23981.exe
"C:\Users\Admin\AppData\Local\Temp\2f1d77a17f8e281a3123ab44ff264896b6a78c9916b4d76b447f017e19b23981.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Users\Admin\AppData\Local\Temp\BfXBcV.exe
  C:\Users\Admin\AppData\Local\Temp\BfXBcV.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2272
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\30a24cb9.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1976

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\11700302.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\30a24cb9.bat

Filesize
187B

MD5
c99017a9215d6b3b3f25e82bb38a0eb9

SHA1
7c8c69085c1e2be1f8a50ccb25b517d019918e30

SHA256
12635f88749f82367d1ec15d29c7ae77e36a1af35c1c3b6b858dfaa03b5e0bf3

SHA512
77c7ac91e4477ee400b666222482540e9e293d20d5dc96f0200d1ff9ce4f2876ec03e36aef84376b1c933a52945522d3e57dbf90954e06e79a9db3b9d0a49755

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2272-9-0x0000000000CE0000-0x0000000000CE9000-memory.dmp

Filesize
36KB

Download
memory/2272-51-0x0000000000CE0000-0x0000000000CE9000-memory.dmp

Filesize
36KB

Download
memory/2420-7-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download