bdaejec | 6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758e

Analysis

max time kernel
120s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 22:53

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General

Target

6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exe
Size

125KB
MD5

43b201729678800539cb685d9b601ea0
SHA1

390e8f15540fec40b37d0af1c5b259c5a30f3b70
SHA256

6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758e
SHA512

5d115db22692751b74eba30096f00a78f0b14d641a94752917ccf141e5a928bf64b4fc9f96aa6fce13db23a84843d7a48c0855c0b160e9068170f43a81e472f5
SSDEEP

3072:IH451OJpM1uOcIbqaORUF0/+8v51AwGoG94dF/GCH:x4pM1uLIbCKFq++RGT4dFu

Score

10^/10

bdaejec aspackv2 backdoor discovery upx

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/2824-29-0x0000000000A30000-0x0000000000A39000-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/0x0008000000012102-3.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

Processes:

htYhNb.exe

pid	Process
2824	htYhNb.exe

Loads dropped DLL 2 IoCs

Processes:

6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exe

pid	Process
2812	6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exe
2812	6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exe

UPX packed file 14 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2812-7-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/2812-31-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/2812-32-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/2812-33-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/2812-34-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/2812-35-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/2812-36-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/2812-37-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/2812-38-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/2812-41-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/2812-42-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/2812-43-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/2812-44-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/2812-45-0x0000000000400000-0x00000000004B0000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

Processes:

htYhNb.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\sidebar.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	htYhNb.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	htYhNb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	htYhNb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	htYhNb.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	htYhNb.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	htYhNb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	htYhNb.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	htYhNb.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	htYhNb.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	htYhNb.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	htYhNb.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	htYhNb.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	htYhNb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	htYhNb.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	htYhNb.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

Processes:

6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exehtYhNb.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	htYhNb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exehtYhNb.exe

description	pid	Process	procid_target
PID 2812 wrote to memory of 2824	2812	6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exe	30
PID 2812 wrote to memory of 2824	2812	6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exe	30
PID 2812 wrote to memory of 2824	2812	6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exe	30
PID 2812 wrote to memory of 2824	2812	6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exe	30
PID 2824 wrote to memory of 588	2824	htYhNb.exe	31
PID 2824 wrote to memory of 588	2824	htYhNb.exe	31
PID 2824 wrote to memory of 588	2824	htYhNb.exe	31
PID 2824 wrote to memory of 588	2824	htYhNb.exe	31

C:\Users\Admin\AppData\Local\Temp\6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exe
"C:\Users\Admin\AppData\Local\Temp\6c7f2af6b0e4a4282ad2db2a1303e37e3707334e5d9a5b30c9bc5be14a39758eN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2812
- C:\Users\Admin\AppData\Local\Temp\htYhNb.exe
  C:\Users\Admin\AppData\Local\Temp\htYhNb.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\0a9d5e40.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:588

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\0a9d5e40.bat

Filesize
187B

MD5
97f0b45d2817d005606783d474e2d25a

SHA1
413dd4b9d71c20a85458e28eb90cb8524db455e7

SHA256
22826cf86136495d597c1d0c7d0b573e21206adfe99d07f996995f8f7c554b6b

SHA512
98293fbbc90244741fbb4956257722a6aca8fb4fa449b1301f61e13f6f1a61c0be99cba5576c14dca350a018874513ba52eefd0bb62f6d8d190007caa004e274

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2812-34-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2812-35-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2812-7-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2812-9-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2812-45-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2812-31-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2812-32-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2812-33-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2812-44-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2812-8-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2812-36-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2812-37-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2812-38-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2812-39-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2812-40-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2812-41-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2812-42-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2812-43-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2824-11-0x0000000000A30000-0x0000000000A39000-memory.dmp

Filesize
36KB

Download
memory/2824-29-0x0000000000A30000-0x0000000000A39000-memory.dmp

Filesize
36KB

Download