bdaejec | 167c4538f23a498e6521aed45d4135c75dd33c92e04df20ce54d6f99c489f03c

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/03/2025, 00:49

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General

Target

2025-03-21_b11e44d25b66635ce1652c10f2507983_floxif_smoke-loader.exe
Size

135KB
MD5

b11e44d25b66635ce1652c10f2507983
SHA1

2018d2b921b2e9caebe49b7542ea568ff4a94f2a
SHA256

167c4538f23a498e6521aed45d4135c75dd33c92e04df20ce54d6f99c489f03c
SHA512

dd98fb6d5514a7266caa69a4b900f29fd0682c909384b53a5d68ca19e22a9852ee9dd63707cc9832a776e9bace3749952ca3d13182a0b6814ffa39d6bc7141b1
SSDEEP

3072:w7qXriW5/KNbwJFNvgDUGOh2lQBV+UdE+rECWp7hKvEPya:w+rvRK79O1BV+UdvrEFp7hKsPya

Score

10^/10

bdaejec floxif aspackv2 backdoor discovery trojan 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++.

resource	yara_rule
behavioral1/memory/2792-29-0x0000000001050000-0x0000000001059000-memory.dmp	family_bdaejec_backdoor

Floxif family
floxif
Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
backdoor trojan floxif

Detected Nirsoft tools 1 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral1/memory/2280-23-0x0000000000400000-0x0000000000420000-memory.dmp	Nirsoft

Detects Floxif payload 1 IoCs

backdoor

resource	yara_rule
behavioral1/files/0x000a00000001225c-2.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000a00000001225c-2.dat	acprotect

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x0008000000014b28-7.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2792	mpPkgy.exe

Loads dropped DLL 3 IoCs

pid	Process
2280	2025-03-21_b11e44d25b66635ce1652c10f2507983_floxif_smoke-loader.exe
2280	2025-03-21_b11e44d25b66635ce1652c10f2507983_floxif_smoke-loader.exe
2280	2025-03-21_b11e44d25b66635ce1652c10f2507983_floxif_smoke-loader.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	2025-03-21_b11e44d25b66635ce1652c10f2507983_floxif_smoke-loader.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2280-0-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/files/0x000a00000001225c-2.dat	upx
behavioral1/memory/2280-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2280-23-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2280-24-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2280-27-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	mpPkgy.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	mpPkgy.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	mpPkgy.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	mpPkgy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	mpPkgy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	mpPkgy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	mpPkgy.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	mpPkgy.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	mpPkgy.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	mpPkgy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	mpPkgy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	mpPkgy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	mpPkgy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	mpPkgy.exe
File created	C:\Program Files\Common Files\System\symsrv.dll	2025-03-21_b11e44d25b66635ce1652c10f2507983_floxif_smoke-loader.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	mpPkgy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	mpPkgy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	mpPkgy.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	mpPkgy.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	mpPkgy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	mpPkgy.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	mpPkgy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	mpPkgy.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	mpPkgy.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	mpPkgy.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	mpPkgy.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	2025-03-21_b11e44d25b66635ce1652c10f2507983_floxif_smoke-loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mpPkgy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2280	2025-03-21_b11e44d25b66635ce1652c10f2507983_floxif_smoke-loader.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2280	2025-03-21_b11e44d25b66635ce1652c10f2507983_floxif_smoke-loader.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2792	2280	2025-03-21_b11e44d25b66635ce1652c10f2507983_floxif_smoke-loader.exe	28
PID 2280 wrote to memory of 2792	2280	2025-03-21_b11e44d25b66635ce1652c10f2507983_floxif_smoke-loader.exe	28
PID 2280 wrote to memory of 2792	2280	2025-03-21_b11e44d25b66635ce1652c10f2507983_floxif_smoke-loader.exe	28
PID 2280 wrote to memory of 2792	2280	2025-03-21_b11e44d25b66635ce1652c10f2507983_floxif_smoke-loader.exe	28
PID 2792 wrote to memory of 1080	2792	mpPkgy.exe	33
PID 2792 wrote to memory of 1080	2792	mpPkgy.exe	33
PID 2792 wrote to memory of 1080	2792	mpPkgy.exe	33
PID 2792 wrote to memory of 1080	2792	mpPkgy.exe	33

C:\Users\Admin\AppData\Local\Temp\2025-03-21_b11e44d25b66635ce1652c10f2507983_floxif_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-21_b11e44d25b66635ce1652c10f2507983_floxif_smoke-loader.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Users\Admin\AppData\Local\Temp\mpPkgy.exe
  C:\Users\Admin\AppData\Local\Temp\mpPkgy.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2792
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\48400395.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

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\48400395.bat

Filesize
187B

MD5
2bda8741cbe98c7420eeeafdb91195df

SHA1
478d5f538b5e7eed27ab974726621a16500acfd4

SHA256
5ee8ed7c649f11751788504265f265628df41ed21cb5f5e524dfc6486453126b

SHA512
368ca78a1bd3daa26bfe17086bfa8ae383488eccdae933356ff455a9da048877a716516dbd565d55cf8391c35885825a5ad3d5e000062888d883e178c03246a4

Download Submit
\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2280-0-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2280-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2280-8-0x00000000002B0000-0x00000000002B9000-memory.dmp

Filesize
36KB

Download
memory/2280-23-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2280-25-0x0000000075BE6000-0x0000000075BE7000-memory.dmp

Filesize
4KB

Download
memory/2280-24-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2280-27-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2280-28-0x00000000002B0000-0x00000000002B2000-memory.dmp

Filesize
8KB

Download
memory/2792-29-0x0000000001050000-0x0000000001059000-memory.dmp

Filesize
36KB

Download