Analysis
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max time kernel
272s -
max time network
132s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
10-04-2024 21:02
Static task
static1
Behavioral task
behavioral1
Sample
851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat
Resource
win10v2004-20240226-en
Behavioral task
behavioral4
Sample
851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat
Resource
win11-20240221-en
General
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Target
851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat
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Size
3.2MB
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MD5
b766a151851fff661fd05df17c722fe0
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SHA1
b72ca0ded29114b5d4f333e2c8d32f37f075c059
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SHA256
851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208
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SHA512
1940cf3c9b83c4298d6beffc612657e379073dfce854b14306919d5fe8a73c888906cdeebdb7803f3ab5ae41a44a0b04fc2520d675dc9ebd253dce4ad0faae60
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SSDEEP
49152:Xf2itfXve4rdS832GjhZqBaN6y3L8boHHTA0:Z
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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ModiLoader Second Stage 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2608-34-0x0000000002D20000-0x0000000003D20000-memory.dmp modiloader_stage2 -
Executes dropped EXE 8 IoCs
Processes:
alpha.exealpha.exekn.exealpha.exekn.exeYano.comalpha.exealpha.exepid process 1856 alpha.exe 2160 alpha.exe 2496 kn.exe 2600 alpha.exe 2616 kn.exe 2608 Yano.com 2540 alpha.exe 2712 alpha.exe -
Loads dropped DLL 7 IoCs
Processes:
cmd.exealpha.exealpha.exeWerFault.exepid process 1712 cmd.exe 1712 cmd.exe 2160 alpha.exe 1712 cmd.exe 2600 alpha.exe 2584 WerFault.exe 2584 WerFault.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2584 2608 WerFault.exe Yano.com -
Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
Processes:
Yano.compid process 2608 Yano.com -
Suspicious use of WriteProcessMemory 35 IoCs
Processes:
cmd.exealpha.exealpha.exealpha.exeYano.comdescription pid process target process PID 1712 wrote to memory of 1864 1712 cmd.exe extrac32.exe PID 1712 wrote to memory of 1864 1712 cmd.exe extrac32.exe PID 1712 wrote to memory of 1864 1712 cmd.exe extrac32.exe PID 1712 wrote to memory of 1856 1712 cmd.exe alpha.exe PID 1712 wrote to memory of 1856 1712 cmd.exe alpha.exe PID 1712 wrote to memory of 1856 1712 cmd.exe alpha.exe PID 1856 wrote to memory of 1872 1856 alpha.exe extrac32.exe PID 1856 wrote to memory of 1872 1856 alpha.exe extrac32.exe PID 1856 wrote to memory of 1872 1856 alpha.exe extrac32.exe PID 1712 wrote to memory of 2160 1712 cmd.exe alpha.exe PID 1712 wrote to memory of 2160 1712 cmd.exe alpha.exe PID 1712 wrote to memory of 2160 1712 cmd.exe alpha.exe PID 2160 wrote to memory of 2496 2160 alpha.exe kn.exe PID 2160 wrote to memory of 2496 2160 alpha.exe kn.exe PID 2160 wrote to memory of 2496 2160 alpha.exe kn.exe PID 1712 wrote to memory of 2600 1712 cmd.exe alpha.exe PID 1712 wrote to memory of 2600 1712 cmd.exe alpha.exe PID 1712 wrote to memory of 2600 1712 cmd.exe alpha.exe PID 2600 wrote to memory of 2616 2600 alpha.exe kn.exe PID 2600 wrote to memory of 2616 2600 alpha.exe kn.exe PID 2600 wrote to memory of 2616 2600 alpha.exe kn.exe PID 1712 wrote to memory of 2608 1712 cmd.exe Yano.com PID 1712 wrote to memory of 2608 1712 cmd.exe Yano.com PID 1712 wrote to memory of 2608 1712 cmd.exe Yano.com PID 1712 wrote to memory of 2608 1712 cmd.exe Yano.com PID 1712 wrote to memory of 2540 1712 cmd.exe alpha.exe PID 1712 wrote to memory of 2540 1712 cmd.exe alpha.exe PID 1712 wrote to memory of 2540 1712 cmd.exe alpha.exe PID 1712 wrote to memory of 2712 1712 cmd.exe alpha.exe PID 1712 wrote to memory of 2712 1712 cmd.exe alpha.exe PID 1712 wrote to memory of 2712 1712 cmd.exe alpha.exe PID 2608 wrote to memory of 2584 2608 Yano.com WerFault.exe PID 2608 wrote to memory of 2584 2608 Yano.com WerFault.exe PID 2608 wrote to memory of 2584 2608 Yano.com WerFault.exe PID 2608 wrote to memory of 2584 2608 Yano.com WerFault.exe
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Windows\System32\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\\Windows\\System32\\cmd.exe C:\\Users\\Public\\alpha.exe2⤵PID:1864
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c extrac32.exe /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1856 -
C:\Windows\system32\extrac32.exeextrac32.exe /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe3⤵PID:1872
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat" "C:\\Users\\Public\\Yano.txt" 92⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2160 -
C:\Users\Public\kn.exeC:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\851b1f4779b2875dcbb966c5c062d4766655c3d5d94693c93b33ec66fcd8f208.bat" "C:\\Users\\Public\\Yano.txt" 93⤵
- Executes dropped EXE
PID:2496 -
C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Yano.txt" "C:\\Users\\Public\\Libraries\\Yano.com" 122⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2600 -
C:\Users\Public\kn.exeC:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Yano.txt" "C:\\Users\\Public\\Libraries\\Yano.com" 123⤵
- Executes dropped EXE
PID:2616 -
C:\Users\Public\Libraries\Yano.comC:\Users\Public\Libraries\Yano.com2⤵
- Executes dropped EXE
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious use of WriteProcessMemory
PID:2608 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 7923⤵
- Loads dropped DLL
- Program crash
PID:2584 -
C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del "C:\Users\Public\Yano.txt" / A / F / Q / S2⤵
- Executes dropped EXE
PID:2540 -
C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del "C:\Users\Public\kn.exe" / A / F / Q / S2⤵
- Executes dropped EXE
PID:2712
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
1.2MB
MD56e81d417826597c23f59c6dc8d0e9325
SHA16b8f936e6d7249471d1acdf5e3ec50faea11211a
SHA25692286b5317d643787e4109d2d7354e94593416720d0b8f8aa2d497a16a24f377
SHA51237dfc57c6ada7b379150c1085dcef8b01b4e950f011bc45f50889c883ff28d33a0be4fb0a66f1b1a8d862a6e37dcaf1f810b66bd094b7baff5cfb8f041d198cc
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Filesize
2.3MB
MD54cf5c11880ee66463fbbbd2d00371d09
SHA19c438f3129d126279e62d738ced076daf88090af
SHA25647b157a5a99f3304a954236dd5f85978bd8dfb8a741abefd2798dfc2b2e2a8c7
SHA5120915ee260c1e625779b7036c049bd2aafc43852d5585f3674bebca41189025db9c13d9cc4543fde579f61128c815107b5d765cc45e24e4f109f4aaf41038a9ce
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Filesize
1.1MB
MD5ec1fd3050dbc40ec7e87ab99c7ca0b03
SHA1ae7fdfc29f4ef31e38ebf381e61b503038b5cb35
SHA2561e19c5a26215b62de1babd5633853344420c1e673bb83e8a89213085e17e16e3
SHA5124e47331f2fdce77b01d86cf8e21cd7d6df13536f09b70c53e5a6b82f66512faa10e38645884c696b47a27ea6bddc6c1fdb905ee78684dca98cbda5f39fbafcc2
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Filesize
337KB
MD55746bd7e255dd6a8afa06f7c42c1ba41
SHA10f3c4ff28f354aede202d54e9d1c5529a3bf87d8
SHA256db06c3534964e3fc79d2763144ba53742d7fa250ca336f4a0fe724b75aaff386
SHA5123a968356d7b94cc014f78ca37a3c03f354c3970c9e027ed4ccb8e59f0f9f2a32bfa22e7d6b127d44631d715ea41bf8ace91f0b4d69d1714d55552b064ffeb69e