bdaejec | 535a1981f7a3cae68df3ee1fa7569e93ef3497f2e26c81e4638bfdffa06b738e

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 23:25

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General

Target

2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe
Size

80KB
MD5

37b63a9aa08a645d62157eaffd5e817f
SHA1

040df34f8ae271f22c894ad1f328017697d43584
SHA256

535a1981f7a3cae68df3ee1fa7569e93ef3497f2e26c81e4638bfdffa06b738e
SHA512

781710122eef555a2507b909561d52b8fe40670226522e87b0cfb6cc68f6aa97739558351319ad04bf7dc3236f37dc28a9a80ac5e26e8897060a6fb46a6b06dc
SSDEEP

1536:fHB0UxMkzOt7HcvJGt5AdHIOWnToIf12ZXPGCq2iW7z:fhAWJGSCTBf12ZfGCH

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/2184-54-0x00000000010F0000-0x00000000010F9000-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/0x00070000000120fe-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2184	Rlqn.exe

Loads dropped DLL 2 IoCs

pid	Process
2520	2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe
2520	2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	Rlqn.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	Rlqn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	Rlqn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	Rlqn.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	Rlqn.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	Rlqn.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	Rlqn.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	Rlqn.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	Rlqn.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	Rlqn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	Rlqn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	Rlqn.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	Rlqn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	Rlqn.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	2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Rlqn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2184	2520	2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe	30
PID 2520 wrote to memory of 2184	2520	2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe	30
PID 2520 wrote to memory of 2184	2520	2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe	30
PID 2520 wrote to memory of 2184	2520	2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe	30
PID 2184 wrote to memory of 2028	2184	Rlqn.exe	32
PID 2184 wrote to memory of 2028	2184	Rlqn.exe	32
PID 2184 wrote to memory of 2028	2184	Rlqn.exe	32
PID 2184 wrote to memory of 2028	2184	Rlqn.exe	32

C:\Users\Admin\AppData\Local\Temp\2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Local\Temp\Rlqn.exe
  C:\Users\Admin\AppData\Local\Temp\Rlqn.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2184
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\45cd4d37.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2028

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\45cd4d37.bat

Filesize
183B

MD5
35b6b5c3582814bb46f45ba8fa0b395f

SHA1
50cd47a8c99a9fea38c35bd63427c5067c81b0d1

SHA256
c110fd14ca22e1a59162302ced3d765c933081646eade9a4d0935539abaccc28

SHA512
53ca0677e583d75f884a05f4b918d78587c0f3163f4b16d0c9b9e969958a631fcb5a6c0d2c231acff7661726d4281b278dcec723d08329628e4e785b9fbd3d61

Download Submit
C:\Users\Admin\AppData\Local\Temp\787A3F23.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2184-11-0x00000000010F0000-0x00000000010F9000-memory.dmp

Filesize
36KB

Download
memory/2184-54-0x00000000010F0000-0x00000000010F9000-memory.dmp

Filesize
36KB

Download
memory/2520-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2520-9-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2520-8-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2520-56-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2520-57-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download