bdaejec | 378efb627b689f3ecae388974b1dad97a563db06eedf205a1510785bfe28a1b3

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31/01/2025, 01:51 UTC

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General

Target

2025-01-31_cc1f7e92416c1e645c358fcfb74fad9b_smoke-loader_wapomi.exe
Size

24KB
MD5

cc1f7e92416c1e645c358fcfb74fad9b
SHA1

f93d7b7c56a311839587de592b30e984b4228c8e
SHA256

378efb627b689f3ecae388974b1dad97a563db06eedf205a1510785bfe28a1b3
SHA512

02fc3a68cebcbc3e06ddf079393f0a966c964de43cf73a73bdbb9ce5d7ae26c7bec0b33d6fc7632921476e60ee37b8bd26747551a16883452ce51ff19de77360
SSDEEP

384:vVMEEDYM3MVAgrgZS/XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9Pffr:vGE4YM32A4bBQGPL4vzZq2o9W7GsxBbz

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. 2 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral1/memory/2536-13-0x00000000002A0000-0x00000000002A9000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/2536-16-0x00000000002A0000-0x00000000002A9000-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/0x0009000000016ace-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2536	cwcHCi.exe

Loads dropped DLL 2 IoCs

pid	Process
2296	2025-01-31_cc1f7e92416c1e645c358fcfb74fad9b_smoke-loader_wapomi.exe
2296	2025-01-31_cc1f7e92416c1e645c358fcfb74fad9b_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\javap.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	cwcHCi.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	cwcHCi.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	cwcHCi.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\sidebar.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	cwcHCi.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	cwcHCi.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	cwcHCi.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	cwcHCi.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	cwcHCi.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	cwcHCi.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	cwcHCi.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	cwcHCi.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	cwcHCi.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	cwcHCi.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{C3A4D3BC-D67A-4D2A-B0ED-B4E62D27E02C}\chrome_installer.exe	cwcHCi.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	cwcHCi.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	cwcHCi.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	cwcHCi.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	cwcHCi.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	cwcHCi.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	cwcHCi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	cwcHCi.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	2025-01-31_cc1f7e92416c1e645c358fcfb74fad9b_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cwcHCi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2536	2296	2025-01-31_cc1f7e92416c1e645c358fcfb74fad9b_smoke-loader_wapomi.exe	31
PID 2296 wrote to memory of 2536	2296	2025-01-31_cc1f7e92416c1e645c358fcfb74fad9b_smoke-loader_wapomi.exe	31
PID 2296 wrote to memory of 2536	2296	2025-01-31_cc1f7e92416c1e645c358fcfb74fad9b_smoke-loader_wapomi.exe	31
PID 2296 wrote to memory of 2536	2296	2025-01-31_cc1f7e92416c1e645c358fcfb74fad9b_smoke-loader_wapomi.exe	31
PID 2536 wrote to memory of 852	2536	cwcHCi.exe	34
PID 2536 wrote to memory of 852	2536	cwcHCi.exe	34
PID 2536 wrote to memory of 852	2536	cwcHCi.exe	34
PID 2536 wrote to memory of 852	2536	cwcHCi.exe	34

C:\Users\Admin\AppData\Local\Temp\2025-01-31_cc1f7e92416c1e645c358fcfb74fad9b_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_cc1f7e92416c1e645c358fcfb74fad9b_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Users\Admin\AppData\Local\Temp\cwcHCi.exe
  C:\Users\Admin\AppData\Local\Temp\cwcHCi.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2536
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\473b7982.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:852

Network

DNS

ddos.dnsnb8.net

cwcHCi.exe

Remote address:

8.8.8.8:53

Request

ddos.dnsnb8.net

IN A

Response

ddos.dnsnb8.net

IN A

44.221.84.105

44.221.84.105:799

ddos.dnsnb8.net

cwcHCi.exe

152 B
3
44.221.84.105:799

ddos.dnsnb8.net

cwcHCi.exe

152 B
3
44.221.84.105:799

ddos.dnsnb8.net

cwcHCi.exe

152 B
3
44.221.84.105:799

ddos.dnsnb8.net

cwcHCi.exe

152 B
3
44.221.84.105:799

ddos.dnsnb8.net

cwcHCi.exe

152 B
3

8.8.8.8:53

ddos.dnsnb8.net

dns

cwcHCi.exe

61 B
77 B
1
1

DNS Request

ddos.dnsnb8.net

DNS Response

44.221.84.105

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\473b7982.bat

Filesize
187B

MD5
6cc7787b27c8a3e6e65d378ce147e805

SHA1
95edabdd593d33252ec189b7521191d6a838f56c

SHA256
11f5b2f9ec190b33df33252a8c09bf0288dc6fefd51f5ebe6b097133edcbd5ad

SHA512
995953ac313c205f864de7ef7c04675c9eaf3c55b70e885c3cbf82e135c8ad240b909fa0201d958c4c60cba8d458abfab41ca5eace69fcad8cb3ef54335fe323

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2296-1-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2296-11-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2296-9-0x00000000002A0000-0x00000000002A9000-memory.dmp

Filesize
36KB

Download
memory/2296-4-0x00000000002A0000-0x00000000002A9000-memory.dmp

Filesize
36KB

Download
memory/2536-13-0x00000000002A0000-0x00000000002A9000-memory.dmp

Filesize
36KB

Download
memory/2536-16-0x00000000002A0000-0x00000000002A9000-memory.dmp

Filesize
36KB

Download