bdaejec | ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 17:52

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General

Target

ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe
Size

510KB
MD5

f786dd4800f09abe67a76b18fe7a482d
SHA1

a8afd8254553f6394f79ffe28280143e7cfa19e3
SHA256

ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854
SHA512

353609aef28d65f34a2c06eb9c72122123084c0fc9b8bed2708f8c4202ade1c7c355b27ac22b35f20ae496f46d242dd0ab17ebe4b35a9b4d8c70dcb703044253
SSDEEP

12288:deO4ivVb83+hs/c8NViqI4+EiZVeRrs7ngjK8JxddvxDcMGk4J2M0Tf:L4Wdhs/tmV4+EjXKsgMGk4J/0Tf

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/2804-15-0x0000000000E10000-0x0000000000E19000-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/0x00070000000120fb-10.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2804	qSzcQM.exe

Loads dropped DLL 2 IoCs

pid	Process
2720	ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe
2720	ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	qSzcQM.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	qSzcQM.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	qSzcQM.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	qSzcQM.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	qSzcQM.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	qSzcQM.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	ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qSzcQM.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2804	2720	ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe	31
PID 2720 wrote to memory of 2804	2720	ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe	31
PID 2720 wrote to memory of 2804	2720	ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe	31
PID 2720 wrote to memory of 2804	2720	ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe	31
PID 2804 wrote to memory of 2468	2804	qSzcQM.exe	35
PID 2804 wrote to memory of 2468	2804	qSzcQM.exe	35
PID 2804 wrote to memory of 2468	2804	qSzcQM.exe	35
PID 2804 wrote to memory of 2468	2804	qSzcQM.exe	35

C:\Users\Admin\AppData\Local\Temp\ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe
"C:\Users\Admin\AppData\Local\Temp\ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Users\Admin\AppData\Local\Temp\qSzcQM.exe
  C:\Users\Admin\AppData\Local\Temp\qSzcQM.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2804
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\1ef84092.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2468

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\1ef84092.bat

Filesize
187B

MD5
e6fd29f66c86db2a13a23af88877c306

SHA1
de60bcb7e0c71b697d568c6f4e740ce95ca57623

SHA256
7e76b82e70699cab3fc60c5b8154a39b5ea933c2272186ed074b1c26bf78c3ee

SHA512
253cbb69ade95e9abc8f41a94985ca1732f05553989f20d08ce2ee77bc3e9738c968d4f776cf7aed6613c8e064e98cd64b8549cc221f9989731fd20c293467f7

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2720-0-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2720-9-0x0000000000340000-0x0000000000349000-memory.dmp

Filesize
36KB

Download
memory/2720-6-0x0000000000340000-0x0000000000349000-memory.dmp

Filesize
36KB

Download
memory/2720-13-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2804-15-0x0000000000E10000-0x0000000000E19000-memory.dmp

Filesize
36KB

Download