bdaejec | efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/01/2025, 12:30

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General

Target

efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d.exe
Size

722KB
MD5

ff865e96d473152228d0d6552c274b6b
SHA1

91341f1ee71b995a41a06f1b6b3f2a172733c25e
SHA256

efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d
SHA512

ab4550ecf2c3aec42305239a1443d79c0f0e693c9675f406fc30bd0f2712bc16cdf4f711a14e051e67b5c9d17c32552052cbb3289182b8edde33fb7c65c2df2f
SSDEEP

12288:YWiB+BQ4mc8fyMVzUzQmbIs8hG06pkMwclhjj41vNJsmHt7zFR9:YWiBeOykzxmbIdPcl+9Ht7zF

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/2016-65-0x0000000000F10000-0x0000000000F19000-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/0x0007000000012117-3.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2016	EHWblqwC.exe

Loads dropped DLL 2 IoCs

pid	Process
2168	efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d.exe
2168	efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	EHWblqwC.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{26793F86-7A02-4BBD-B5DA-4AA3D83AA174}\chrome_installer.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	EHWblqwC.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	efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EHWblqwC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2016	2168	efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d.exe	30
PID 2168 wrote to memory of 2016	2168	efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d.exe	30
PID 2168 wrote to memory of 2016	2168	efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d.exe	30
PID 2168 wrote to memory of 2016	2168	efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d.exe	30
PID 2016 wrote to memory of 2608	2016	EHWblqwC.exe	32
PID 2016 wrote to memory of 2608	2016	EHWblqwC.exe	32
PID 2016 wrote to memory of 2608	2016	EHWblqwC.exe	32
PID 2016 wrote to memory of 2608	2016	EHWblqwC.exe	32

C:\Users\Admin\AppData\Local\Temp\efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d.exe
"C:\Users\Admin\AppData\Local\Temp\efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Users\Admin\AppData\Local\Temp\EHWblqwC.exe
  C:\Users\Admin\AppData\Local\Temp\EHWblqwC.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\07c17cd2.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2608

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\07c17cd2.bat

Filesize
191B

MD5
7a74236abd3f1db8c134cf2294966d19

SHA1
b007e03985c83594c5dc7cd43919667ea3db832d

SHA256
2f9afb282930c76a4c97cfc26b602233960e73fa69af442a874fdd7b92ea634f

SHA512
4576cb475c299601a4dc43d741ae5ea09049197267acb1fec40b63a13c6d8cdd27f11d3604f940ab22ccaeb54f06f666cb4c7aab92447f43968244e0440194bb

Download Submit
C:\Users\Admin\AppData\Local\Temp\5E870F06.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2016-11-0x0000000000F10000-0x0000000000F19000-memory.dmp

Filesize
36KB

Download
memory/2016-65-0x0000000000F10000-0x0000000000F19000-memory.dmp

Filesize
36KB

Download
memory/2168-9-0x0000000000240000-0x0000000000249000-memory.dmp

Filesize
36KB

Download
memory/2168-8-0x0000000000240000-0x0000000000249000-memory.dmp

Filesize
36KB

Download
memory/2168-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2168-24-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2168-22-0x00000000004C0000-0x0000000000527000-memory.dmp

Filesize
412KB

Download
memory/2168-14-0x00000000004C0000-0x0000000000527000-memory.dmp

Filesize
412KB

Download