bdaejec | 674e21a7d5c4a67bc55bdb1bb291d731e83f1f7bfe17a749dd88ea1243d0c202

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/03/2025, 14:28

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General

Target

2025-03-21_36c72da95191b93d09238f68fa3ef397_smoke-loader_wapomi.exe
Size

42KB
MD5

36c72da95191b93d09238f68fa3ef397
SHA1

79347d02e4899d2b22c14377d5c36204adcf8fe9
SHA256

674e21a7d5c4a67bc55bdb1bb291d731e83f1f7bfe17a749dd88ea1243d0c202
SHA512

614d2c9e4e59ae3b6e5cc771d55541eeac7b6a62e8fbb5dc51544860e6d2997b00a406c88dc471510fb7d82bf8e76393e06f8e88e5d5750a48e2fd6943555b60
SSDEEP

768:5ofFhw9NkRKFqIA4Q0ndmMI15glZBfAhQGPL4vzZq2o9W7GsxBbPr:WaKK3mM45ghYGGCq2iW7z

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. 2 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral1/memory/1288-12-0x0000000000040000-0x0000000000049000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/1288-15-0x0000000000040000-0x0000000000049000-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/0x000b000000012029-11.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1288	hLbMai.exe

Loads dropped DLL 2 IoCs

pid	Process
2828	2025-03-21_36c72da95191b93d09238f68fa3ef397_smoke-loader_wapomi.exe
2828	2025-03-21_36c72da95191b93d09238f68fa3ef397_smoke-loader_wapomi.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2828-0-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral1/memory/2828-10-0x0000000000400000-0x000000000041B000-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\jabswitch.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	hLbMai.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	hLbMai.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	hLbMai.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	hLbMai.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	hLbMai.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	hLbMai.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	hLbMai.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	hLbMai.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	hLbMai.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	hLbMai.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	hLbMai.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	hLbMai.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	hLbMai.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	hLbMai.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	hLbMai.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	hLbMai.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	hLbMai.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-03-21_36c72da95191b93d09238f68fa3ef397_smoke-loader_wapomi.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 1288	2828	2025-03-21_36c72da95191b93d09238f68fa3ef397_smoke-loader_wapomi.exe	29
PID 2828 wrote to memory of 1288	2828	2025-03-21_36c72da95191b93d09238f68fa3ef397_smoke-loader_wapomi.exe	29
PID 2828 wrote to memory of 1288	2828	2025-03-21_36c72da95191b93d09238f68fa3ef397_smoke-loader_wapomi.exe	29
PID 2828 wrote to memory of 1288	2828	2025-03-21_36c72da95191b93d09238f68fa3ef397_smoke-loader_wapomi.exe	29
PID 1288 wrote to memory of 808	1288	hLbMai.exe	34
PID 1288 wrote to memory of 808	1288	hLbMai.exe	34
PID 1288 wrote to memory of 808	1288	hLbMai.exe	34
PID 1288 wrote to memory of 808	1288	hLbMai.exe	34

C:\Users\Admin\AppData\Local\Temp\2025-03-21_36c72da95191b93d09238f68fa3ef397_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-21_36c72da95191b93d09238f68fa3ef397_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Users\Admin\AppData\Local\Temp\hLbMai.exe
  C:\Users\Admin\AppData\Local\Temp\hLbMai.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1288
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\785d46b2.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:808

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\785d46b2.bat

Filesize
187B

MD5
6bdf2767a16e5db38c21d48d847999b8

SHA1
f0bc16d4cd8117038e265277bec155014d913a83

SHA256
38426e097ec0555bfccccfd71bb4fda8ced832a9e915bbb39895564065b1d8f7

SHA512
bb491b358af4cd626d889e27ef7872c752bcac10f3f43aa8cfe17ed38c42aaf49f8aa80a3ad1d7284f8cd2c3d954662ea048ecb4e094f2a68985cc4549b9a758

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1288-12-0x0000000000040000-0x0000000000049000-memory.dmp

Filesize
36KB

Download
memory/1288-15-0x0000000000040000-0x0000000000049000-memory.dmp

Filesize
36KB

Download
memory/2828-0-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2828-10-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download