bdaejec | 681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-02-2025 11:41

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General

Target

681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe
Size

78KB
MD5

6122a31aa5435b471cac17140ced898c
SHA1

be323d2bd712dce4a3915430eb6bd056f163d432
SHA256

681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341
SHA512

70320e258e521129922aa642ca587c99f9dfc5671de859810e4fdff94f576a72128338c959fb1dcde7cbe34fbe5926898c77e914e1a90e46f968e1a89f23a18a
SSDEEP

768:Uwckfpik6qYXy7dMkIwzsWUHUpOCdoR+vMiHfdOa5IQGPL4vzZq2o9W7GsxBbPr+:xFfh7dGs3wqOCSR6Mesa5DGCq2iW7zq

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/2524-16-0x0000000000080000-0x0000000000089000-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/0x000700000001211a-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2524	IcHnJr.exe

Loads dropped DLL 2 IoCs

pid	Process
2116	681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe
2116	681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.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\jinfo.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	IcHnJr.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	IcHnJr.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	IcHnJr.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	IcHnJr.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	IcHnJr.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	681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IcHnJr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2116	681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe
2116	681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2524	2116	681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe	30
PID 2116 wrote to memory of 2524	2116	681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe	30
PID 2116 wrote to memory of 2524	2116	681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe	30
PID 2116 wrote to memory of 2524	2116	681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe	30
PID 2524 wrote to memory of 2184	2524	IcHnJr.exe	34
PID 2524 wrote to memory of 2184	2524	IcHnJr.exe	34
PID 2524 wrote to memory of 2184	2524	IcHnJr.exe	34
PID 2524 wrote to memory of 2184	2524	IcHnJr.exe	34

C:\Users\Admin\AppData\Local\Temp\681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe
"C:\Users\Admin\AppData\Local\Temp\681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Users\Admin\AppData\Local\Temp\IcHnJr.exe
  C:\Users\Admin\AppData\Local\Temp\IcHnJr.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2524
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\164e2946.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2184

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\Microsoft\Windows\Temporary Internet Files\Content.IE5\0I0VVMWQ\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\164e2946.bat

Filesize
187B

MD5
6dbac2b1b0208d11635e8919187bf9ce

SHA1
f51d8ed162fd49596ce9486c508438cca9da40fa

SHA256
67dd3df7f4363d3b25ed613349a9aa6f52ff641dd5653a28c351fd0b770aa6c8

SHA512
c85cd4100a6900dd6b565c77697fda9d189356159939b322d90987ab7be46e7f0276b57393bad7a8c7d0be8a5e49df22da0cbe898f935c55b2807b863be3485f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2116-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2116-10-0x00000000003C0000-0x00000000003C9000-memory.dmp

Filesize
36KB

Download
memory/2116-9-0x00000000003C0000-0x00000000003C9000-memory.dmp

Filesize
36KB

Download
memory/2116-15-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2116-40-0x00000000003C0000-0x00000000003C9000-memory.dmp

Filesize
36KB

Download
memory/2116-41-0x00000000003C0000-0x00000000003C9000-memory.dmp

Filesize
36KB

Download
memory/2524-11-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/2524-16-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download