bdaejec | 47abfed8127c52887adfd69f5dc64c1222d3d33e80e2c953a422c2980b711768

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 02:34

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General

Target

2025-01-07_feee936997197db0e4595247039460e2_bkransomware_wapomi.exe
Size

190KB
MD5

feee936997197db0e4595247039460e2
SHA1

3f99e182ed63a4163beb0140259c5ac4b4dfd754
SHA256

47abfed8127c52887adfd69f5dc64c1222d3d33e80e2c953a422c2980b711768
SHA512

0b877d34ff11d2d567bfc4c28f16d5d39cd546c199f517766444f12dfc017534cbe79c4b1ffd8b556ba5c888446007d4aceddda07515fdca760471509e4edcf5
SSDEEP

3072:BFrRQ09DLEm/BTrgDjN7EnjEL00VVQLnVdY89STQR6NPnThVVqheWOGCH:7rRQ09DLEm/B43CjYQL/9AWoWn

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/1668-14-0x0000000000EF0000-0x0000000000EF9000-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/0x000a000000015685-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1668	cAWMSk.exe

Loads dropped DLL 2 IoCs

pid	Process
2036	2025-01-07_feee936997197db0e4595247039460e2_bkransomware_wapomi.exe
2036	2025-01-07_feee936997197db0e4595247039460e2_bkransomware_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	cAWMSk.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	cAWMSk.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	cAWMSk.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	cAWMSk.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	cAWMSk.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	cAWMSk.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	cAWMSk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	cAWMSk.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	cAWMSk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	cAWMSk.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	2025-01-07_feee936997197db0e4595247039460e2_bkransomware_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cAWMSk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 1668	2036	2025-01-07_feee936997197db0e4595247039460e2_bkransomware_wapomi.exe	32
PID 2036 wrote to memory of 1668	2036	2025-01-07_feee936997197db0e4595247039460e2_bkransomware_wapomi.exe	32
PID 2036 wrote to memory of 1668	2036	2025-01-07_feee936997197db0e4595247039460e2_bkransomware_wapomi.exe	32
PID 2036 wrote to memory of 1668	2036	2025-01-07_feee936997197db0e4595247039460e2_bkransomware_wapomi.exe	32
PID 1668 wrote to memory of 1760	1668	cAWMSk.exe	36
PID 1668 wrote to memory of 1760	1668	cAWMSk.exe	36
PID 1668 wrote to memory of 1760	1668	cAWMSk.exe	36
PID 1668 wrote to memory of 1760	1668	cAWMSk.exe	36

C:\Users\Admin\AppData\Local\Temp\2025-01-07_feee936997197db0e4595247039460e2_bkransomware_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-07_feee936997197db0e4595247039460e2_bkransomware_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Users\Admin\AppData\Local\Temp\cAWMSk.exe
  C:\Users\Admin\AppData\Local\Temp\cAWMSk.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1668
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\27734593.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1760

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\27734593.bat

Filesize
187B

MD5
311fbde01cd0a433cc53551a1363720e

SHA1
d99ea747f4ad2e47f97814cceb9455153c449df7

SHA256
f4b59aafcd9c426dd705845c7913af42759ba332b08cc121c9e7355f64db0bba

SHA512
e567c7b4ae17664e36972dd37add5d11e648c52b74e3721ab7bb437b4e4b4ef90ed676039e6a459e08eb663c8d49ce175b62e1459374d9c4affa83c0649e2fcc

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1668-14-0x0000000000EF0000-0x0000000000EF9000-memory.dmp

Filesize
36KB

Download
memory/2036-0-0x0000000000120000-0x0000000000156000-memory.dmp

Filesize
216KB

Download
memory/2036-4-0x0000000000160000-0x0000000000169000-memory.dmp

Filesize
36KB

Download
memory/2036-12-0x0000000000120000-0x0000000000156000-memory.dmp

Filesize
216KB

Download