bdaejec | 4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03/12/2024, 13:02

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General

Target

4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe
Size

96KB
MD5

fd772e274b00ba82cbc3e3153452fde3
SHA1

7994f3221f036f663048d4c7ffdf2f0c31b584f7
SHA256

4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60
SHA512

9cc229a965bba977f9295ff329b9aecf598a20dc2642dec54d947b5064cd912bb0c0b8b35e4a3b9ced7bd680bca05e2ac84f02c89fb16edc16c1cf35ec7880e4
SSDEEP

1536:pECLKU4+dwC/p0cQ7ZCAINqPDHuXnvE0oK1fLGCq2iW7za:pJLrp0cQ7QAINqPDHQnc0GCH2

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. 2 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral1/memory/612-18-0x0000000000870000-0x0000000000879000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/612-62-0x0000000000870000-0x0000000000879000-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/0x000a00000001202c-7.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
612	eVRKlMX.exe

Loads dropped DLL 5 IoCs

pid	Process
1596	4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe
1596	4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe
612	eVRKlMX.exe
612	eVRKlMX.exe
612	eVRKlMX.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\native2ascii.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{746C00E3-D163-4E65-BDB2-B93B068F8BCB}\chrome_installer.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	eVRKlMX.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eVRKlMX.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 612	1596	4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe	28
PID 1596 wrote to memory of 612	1596	4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe	28
PID 1596 wrote to memory of 612	1596	4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe	28
PID 1596 wrote to memory of 612	1596	4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe	28
PID 1596 wrote to memory of 612	1596	4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe	28
PID 1596 wrote to memory of 612	1596	4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe	28
PID 1596 wrote to memory of 612	1596	4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe	28
PID 612 wrote to memory of 2640	612	eVRKlMX.exe	30
PID 612 wrote to memory of 2640	612	eVRKlMX.exe	30
PID 612 wrote to memory of 2640	612	eVRKlMX.exe	30
PID 612 wrote to memory of 2640	612	eVRKlMX.exe	30
PID 612 wrote to memory of 2640	612	eVRKlMX.exe	30
PID 612 wrote to memory of 2640	612	eVRKlMX.exe	30
PID 612 wrote to memory of 2640	612	eVRKlMX.exe	30

C:\Users\Admin\AppData\Local\Temp\4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe
"C:\Users\Admin\AppData\Local\Temp\4c5aadd57a3202e14ad8d601e36d5712f9eb38bb22396b3a26c01f9a68007a60.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Users\Admin\AppData\Local\Temp\eVRKlMX.exe
  C:\Users\Admin\AppData\Local\Temp\eVRKlMX.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:612
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\07777bfc.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2640

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\07777bfc.bat

Filesize
189B

MD5
11a4854cd12ee7035c9bb0e17df6c09f

SHA1
924679a4b084d7e97995c10e3557d3005c4e19d5

SHA256
3db3472fedb8fcee159c3455432e19c9fa918a6ca658dade20859a3dc241676c

SHA512
d7cc6637712f6b0009fceca93b645e7570e5571ab975de72ae4998b17f8dfde5a3246ad68412fbe687195aa48844f739d45b28ca1d98e157ad49a8a096ffe423

Download Submit
C:\Users\Admin\AppData\Local\Temp\261525BE.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/612-62-0x0000000000870000-0x0000000000879000-memory.dmp

Filesize
36KB

Download
memory/612-19-0x0000000000876000-0x0000000000877000-memory.dmp

Filesize
4KB

Download
memory/612-18-0x0000000000870000-0x0000000000879000-memory.dmp

Filesize
36KB

Download
memory/1596-11-0x0000000000210000-0x0000000000219000-memory.dmp

Filesize
36KB

Download
memory/1596-10-0x0000000000020000-0x0000000000039000-memory.dmp

Filesize
100KB

Download
memory/1596-8-0x0000000000020000-0x0000000000039000-memory.dmp

Filesize
100KB

Download
memory/1596-21-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1596-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1596-12-0x0000000000210000-0x0000000000219000-memory.dmp

Filesize
36KB

Download
memory/1596-9-0x0000000000020000-0x0000000000039000-memory.dmp

Filesize
100KB

Download