bdaejec | b5bbd08a0f090cf1439377dcef7f7c7e2c01b1ba785b25ecef921409eed52eac

Analysis

max time kernel
13s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 08:26

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General

Target

b5bbd08a0f090cf1439377dcef7f7c7e2c01b1ba785b25ecef921409eed52eacN.exe
Size

19KB
MD5

a34c77d7eaaf8c46da965d1a7496ddc0
SHA1

913e42d7abc2dc246f851d178f5681ed3293579b
SHA256

b5bbd08a0f090cf1439377dcef7f7c7e2c01b1ba785b25ecef921409eed52eac
SHA512

500d49091bb2e3907ea541f86ead7a2694d7a7fe99b3986a75154de2b07312a6591a23bbf84c43388bf2c26c3f3bab18049a1966e91764c4395fa32f07ed7500
SSDEEP

384:1FOS2XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:PSQGPL4vzZq2o9W7GsxBbPr

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++.

Processes:

resource	yara_rule
behavioral1/memory/2448-54-0x0000000000C60000-0x0000000000C69000-memory.dmp	family_bdaejec_backdoor

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
behavioral1/files/0x00070000000120fc-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

Processes:

wnrlUZ.exe

pid	Process
2448	wnrlUZ.exe

Loads dropped DLL 2 IoCs

Processes:

b5bbd08a0f090cf1439377dcef7f7c7e2c01b1ba785b25ecef921409eed52eacN.exe

pid	Process
2244	b5bbd08a0f090cf1439377dcef7f7c7e2c01b1ba785b25ecef921409eed52eacN.exe
2244	b5bbd08a0f090cf1439377dcef7f7c7e2c01b1ba785b25ecef921409eed52eacN.exe

Drops file in Program Files directory 64 IoCs

Processes:

wnrlUZ.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\SyncGet.exe	wnrlUZ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	wnrlUZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	wnrlUZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	wnrlUZ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	wnrlUZ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	wnrlUZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	wnrlUZ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	wnrlUZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	wnrlUZ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	wnrlUZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	wnrlUZ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	wnrlUZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	wnrlUZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	wnrlUZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	wnrlUZ.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	wnrlUZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	wnrlUZ.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	wnrlUZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	wnrlUZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	wnrlUZ.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	wnrlUZ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	wnrlUZ.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	wnrlUZ.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2380	2244	WerFault.exe	29

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

Processes:

wnrlUZ.execmd.exeb5bbd08a0f090cf1439377dcef7f7c7e2c01b1ba785b25ecef921409eed52eacN.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wnrlUZ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b5bbd08a0f090cf1439377dcef7f7c7e2c01b1ba785b25ecef921409eed52eacN.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

b5bbd08a0f090cf1439377dcef7f7c7e2c01b1ba785b25ecef921409eed52eacN.exewnrlUZ.exe

description	pid	Process	procid_target
PID 2244 wrote to memory of 2448	2244	b5bbd08a0f090cf1439377dcef7f7c7e2c01b1ba785b25ecef921409eed52eacN.exe	30
PID 2244 wrote to memory of 2448	2244	b5bbd08a0f090cf1439377dcef7f7c7e2c01b1ba785b25ecef921409eed52eacN.exe	30
PID 2244 wrote to memory of 2448	2244	b5bbd08a0f090cf1439377dcef7f7c7e2c01b1ba785b25ecef921409eed52eacN.exe	30
PID 2244 wrote to memory of 2448	2244	b5bbd08a0f090cf1439377dcef7f7c7e2c01b1ba785b25ecef921409eed52eacN.exe	30
PID 2448 wrote to memory of 2612	2448	wnrlUZ.exe	32
PID 2448 wrote to memory of 2612	2448	wnrlUZ.exe	32
PID 2448 wrote to memory of 2612	2448	wnrlUZ.exe	32
PID 2448 wrote to memory of 2612	2448	wnrlUZ.exe	32
PID 2244 wrote to memory of 2380	2244	b5bbd08a0f090cf1439377dcef7f7c7e2c01b1ba785b25ecef921409eed52eacN.exe	34
PID 2244 wrote to memory of 2380	2244	b5bbd08a0f090cf1439377dcef7f7c7e2c01b1ba785b25ecef921409eed52eacN.exe	34
PID 2244 wrote to memory of 2380	2244	b5bbd08a0f090cf1439377dcef7f7c7e2c01b1ba785b25ecef921409eed52eacN.exe	34
PID 2244 wrote to memory of 2380	2244	b5bbd08a0f090cf1439377dcef7f7c7e2c01b1ba785b25ecef921409eed52eacN.exe	34

C:\Users\Admin\AppData\Local\Temp\b5bbd08a0f090cf1439377dcef7f7c7e2c01b1ba785b25ecef921409eed52eacN.exe
"C:\Users\Admin\AppData\Local\Temp\b5bbd08a0f090cf1439377dcef7f7c7e2c01b1ba785b25ecef921409eed52eacN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\wnrlUZ.exe
  C:\Users\Admin\AppData\Local\Temp\wnrlUZ.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2448
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\7ab9168a.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2612
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 208
  2⤵
  - Program crash
  PID:2380

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\1DE36DDB.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ab9168a.bat

Filesize
187B

MD5
ce428c3a5f330c27f592de26e9777088

SHA1
5c2907677ed89627f9da65cfaaca7b4a287bc457

SHA256
a2341e5273fa7fa3590009924c86a23bd09d5e9c2d993405b822e593e238cf26

SHA512
b007c1d3a070f09b494961190435c49b69ab9cd53b74515da3d5cc7a9749f7981be45052f908d970e5b466cff3a252124dcd752e226036df107da561ad83821b

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2244-0-0x0000000001000000-0x0000000001008000-memory.dmp

Filesize
32KB

Download
memory/2244-10-0x0000000000C60000-0x0000000000C69000-memory.dmp

Filesize
36KB

Download
memory/2244-9-0x0000000000C60000-0x0000000000C69000-memory.dmp

Filesize
36KB

Download
memory/2244-56-0x0000000001000000-0x0000000001008000-memory.dmp

Filesize
32KB

Download
memory/2448-11-0x0000000000C60000-0x0000000000C69000-memory.dmp

Filesize
36KB

Download
memory/2448-54-0x0000000000C60000-0x0000000000C69000-memory.dmp

Filesize
36KB

Download