bdaejec | 6fdefc922e8578523361e7bf1dc966d7fb8539e4cabed0af9f45c4b53160c37c

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25/02/2025, 09:31

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General

Target

2025-02-25_33ac50c27ae0ec07776855ff894687fa_smoke-loader_wapomi.exe
Size

80KB
MD5

33ac50c27ae0ec07776855ff894687fa
SHA1

6ee4c4e44e9f6e610837dd295bee93849426aeb5
SHA256

6fdefc922e8578523361e7bf1dc966d7fb8539e4cabed0af9f45c4b53160c37c
SHA512

ad5f0aeeaf17985d110a39cdeae790fd56411d7a01e4ec07de9d195421e263ad84b4c7e05747a963e914ce8dbbc26beea226c71d512441738fc188ed2ae4f3cb
SSDEEP

1536:vfnLq01weW5yX3jFxv49Nu4GhQ6hGCq2iW7z:u3ysTGhQOGCH

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/3028-23-0x0000000000DC0000-0x0000000000DC9000-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/0x000a00000001202c-11.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
3028	hVN.exe

Loads dropped DLL 2 IoCs

pid	Process
2760	2025-02-25_33ac50c27ae0ec07776855ff894687fa_smoke-loader_wapomi.exe
2760	2025-02-25_33ac50c27ae0ec07776855ff894687fa_smoke-loader_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	hVN.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	hVN.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	hVN.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	hVN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	hVN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	hVN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	hVN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	hVN.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	hVN.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	hVN.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	hVN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	hVN.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	hVN.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	hVN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	hVN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	hVN.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	hVN.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	hVN.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	hVN.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	hVN.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	hVN.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	hVN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	hVN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	hVN.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	hVN.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	hVN.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	hVN.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	hVN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	hVN.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	hVN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	hVN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	hVN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	hVN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	hVN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	hVN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	hVN.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	hVN.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	hVN.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	hVN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	hVN.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	2025-02-25_33ac50c27ae0ec07776855ff894687fa_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hVN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 3028	2760	2025-02-25_33ac50c27ae0ec07776855ff894687fa_smoke-loader_wapomi.exe	31
PID 2760 wrote to memory of 3028	2760	2025-02-25_33ac50c27ae0ec07776855ff894687fa_smoke-loader_wapomi.exe	31
PID 2760 wrote to memory of 3028	2760	2025-02-25_33ac50c27ae0ec07776855ff894687fa_smoke-loader_wapomi.exe	31
PID 2760 wrote to memory of 3028	2760	2025-02-25_33ac50c27ae0ec07776855ff894687fa_smoke-loader_wapomi.exe	31
PID 3028 wrote to memory of 2620	3028	hVN.exe	32
PID 3028 wrote to memory of 2620	3028	hVN.exe	32
PID 3028 wrote to memory of 2620	3028	hVN.exe	32
PID 3028 wrote to memory of 2620	3028	hVN.exe	32

C:\Users\Admin\AppData\Local\Temp\2025-02-25_33ac50c27ae0ec07776855ff894687fa_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-25_33ac50c27ae0ec07776855ff894687fa_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Users\Admin\AppData\Local\Temp\hVN.exe
  C:\Users\Admin\AppData\Local\Temp\hVN.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3028
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\4cb00b76.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2620

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\4cb00b76.bat

Filesize
181B

MD5
3da582561c826dda5e11729b34c414d5

SHA1
f00781e1db01afac1a4bd38fe043148b2bfc6c94

SHA256
e5b8745345593425f23d387b3118f007b194b992fb69942792624929ca5b99ad

SHA512
344a32ce4f9082893a7650870227f76fea9e55539b5f774e7165ea3dcefba8845c3981f2caa7bf62168ef18878503e70213286dbe0f3a236162631607120c6b0

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2760-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2760-8-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3028-10-0x0000000000DC0000-0x0000000000DC9000-memory.dmp

Filesize
36KB

Download
memory/3028-23-0x0000000000DC0000-0x0000000000DC9000-memory.dmp

Filesize
36KB

Download