bdaejec | a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/02/2025, 03:03

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General

Target

a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe
Size

28KB
MD5

e4ac95edac2f200de68ff07156a9aa96
SHA1

17e18a2f208464e303f4af2f1b6b0f3f0311abd9
SHA256

a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283
SHA512

c604109e5d1cf48946773915bf0ded2b0dc519e71150cc777d90e061aa2c6348fd25b86360358378ff85b51fcb893af57e4efb51027ecc8fe20e9334b77cbfc8
SSDEEP

384:51G/0strh1ieR5SSlXZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:C/0cLi8xbQGPL4vzZq2o9W7GsxBbPr

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/2196-13-0x00000000002D0000-0x00000000002D9000-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/0x000b000000012029-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2196	Modrng.exe

Loads dropped DLL 2 IoCs

pid	Process
2512	a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe
2512	a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	Modrng.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	Modrng.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	Modrng.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	Modrng.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	Modrng.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	Modrng.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{C10A79F8-2372-49E3-801D-73DDEB38AD5B}\chrome_installer.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	Modrng.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	Modrng.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	Modrng.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	Modrng.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	Modrng.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	Modrng.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	Modrng.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\sidebar.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	Modrng.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	Modrng.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	Modrng.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	Modrng.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	Modrng.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	Modrng.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	a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Modrng.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2196	2512	a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe	30
PID 2512 wrote to memory of 2196	2512	a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe	30
PID 2512 wrote to memory of 2196	2512	a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe	30
PID 2512 wrote to memory of 2196	2512	a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe	30
PID 2196 wrote to memory of 1340	2196	Modrng.exe	34
PID 2196 wrote to memory of 1340	2196	Modrng.exe	34
PID 2196 wrote to memory of 1340	2196	Modrng.exe	34
PID 2196 wrote to memory of 1340	2196	Modrng.exe	34

C:\Users\Admin\AppData\Local\Temp\a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe
"C:\Users\Admin\AppData\Local\Temp\a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Users\Admin\AppData\Local\Temp\Modrng.exe
  C:\Users\Admin\AppData\Local\Temp\Modrng.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\3e9345f3.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1340

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\3e9345f3.bat

Filesize
187B

MD5
4ae6611e3eb240193a8a67c4506e188f

SHA1
bcd651323be50242ebc802a4eccbcbdc29bd0ba7

SHA256
843a31f39efb9137dce5487466c5d9e3bfd19fe146c9ab7e84d5b9d5678446e0

SHA512
b644204cebd194d70cba6e61dd1bae4c6603b516d7b5ccaa09d65bc085e46590dc9049acf5fb646d7521532c18c406cc51b5c9a5bc8a9e61c35044efe8cb7aa7

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2196-13-0x00000000002D0000-0x00000000002D9000-memory.dmp

Filesize
36KB

Download
memory/2512-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2512-4-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2512-20-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download