Analysis
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max time kernel
132s -
max time network
134s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
10-04-2024 02:44
Static task
static1
Behavioral task
behavioral1
Sample
985dda76570c9efdd692eca4a7bef55c99cbcac5ae7683360c115ea5529ebaa5.bat
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
985dda76570c9efdd692eca4a7bef55c99cbcac5ae7683360c115ea5529ebaa5.bat
Resource
win10v2004-20240226-en
General
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Target
985dda76570c9efdd692eca4a7bef55c99cbcac5ae7683360c115ea5529ebaa5.bat
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Size
3.9MB
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MD5
9a987344afb7334bd5fceeae97055408
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SHA1
946845c94b61847bf8cefeff153eaa4f9095f55f
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SHA256
985dda76570c9efdd692eca4a7bef55c99cbcac5ae7683360c115ea5529ebaa5
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SHA512
d212f4fc0db74da7754ef4830128db8bfb8239184a6cab2609bd251e0df4fc972d364a2dda7b0f790ec09930c200c6c96b0decd3203edd32aafdc492b78e3f17
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SSDEEP
49152:XgJ9GvW/Z22bISDp6JXl62tBW7Abb/1XaN+Nkn:i
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/2552-32-0x0000000002DB0000-0x0000000003DB0000-memory.dmp modiloader_stage2 -
Executes dropped EXE 8 IoCs
Processes:
alpha.exealpha.exekn.exealpha.exekn.exeYano.comalpha.exealpha.exepid process 1260 alpha.exe 1676 alpha.exe 3036 kn.exe 2256 alpha.exe 1368 kn.exe 2552 Yano.com 2628 alpha.exe 2656 alpha.exe -
Loads dropped DLL 5 IoCs
Processes:
cmd.exealpha.exeWerFault.exepid process 2212 cmd.exe 2212 cmd.exe 1676 alpha.exe 2680 WerFault.exe 2680 WerFault.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2680 2552 WerFault.exe Yano.com -
Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
Processes:
Yano.compid process 2552 Yano.com -
Suspicious use of WriteProcessMemory 35 IoCs
Processes:
cmd.exealpha.exealpha.exealpha.exeYano.comdescription pid process target process PID 2212 wrote to memory of 1916 2212 cmd.exe extrac32.exe PID 2212 wrote to memory of 1916 2212 cmd.exe extrac32.exe PID 2212 wrote to memory of 1916 2212 cmd.exe extrac32.exe PID 2212 wrote to memory of 1260 2212 cmd.exe alpha.exe PID 2212 wrote to memory of 1260 2212 cmd.exe alpha.exe PID 2212 wrote to memory of 1260 2212 cmd.exe alpha.exe PID 1260 wrote to memory of 1640 1260 alpha.exe extrac32.exe PID 1260 wrote to memory of 1640 1260 alpha.exe extrac32.exe PID 1260 wrote to memory of 1640 1260 alpha.exe extrac32.exe PID 2212 wrote to memory of 1676 2212 cmd.exe alpha.exe PID 2212 wrote to memory of 1676 2212 cmd.exe alpha.exe PID 2212 wrote to memory of 1676 2212 cmd.exe alpha.exe PID 1676 wrote to memory of 3036 1676 alpha.exe kn.exe PID 1676 wrote to memory of 3036 1676 alpha.exe kn.exe PID 1676 wrote to memory of 3036 1676 alpha.exe kn.exe PID 2212 wrote to memory of 2256 2212 cmd.exe alpha.exe PID 2212 wrote to memory of 2256 2212 cmd.exe alpha.exe PID 2212 wrote to memory of 2256 2212 cmd.exe alpha.exe PID 2256 wrote to memory of 1368 2256 alpha.exe kn.exe PID 2256 wrote to memory of 1368 2256 alpha.exe kn.exe PID 2256 wrote to memory of 1368 2256 alpha.exe kn.exe PID 2212 wrote to memory of 2552 2212 cmd.exe Yano.com PID 2212 wrote to memory of 2552 2212 cmd.exe Yano.com PID 2212 wrote to memory of 2552 2212 cmd.exe Yano.com PID 2212 wrote to memory of 2552 2212 cmd.exe Yano.com PID 2212 wrote to memory of 2628 2212 cmd.exe alpha.exe PID 2212 wrote to memory of 2628 2212 cmd.exe alpha.exe PID 2212 wrote to memory of 2628 2212 cmd.exe alpha.exe PID 2212 wrote to memory of 2656 2212 cmd.exe alpha.exe PID 2212 wrote to memory of 2656 2212 cmd.exe alpha.exe PID 2212 wrote to memory of 2656 2212 cmd.exe alpha.exe PID 2552 wrote to memory of 2680 2552 Yano.com WerFault.exe PID 2552 wrote to memory of 2680 2552 Yano.com WerFault.exe PID 2552 wrote to memory of 2680 2552 Yano.com WerFault.exe PID 2552 wrote to memory of 2680 2552 Yano.com WerFault.exe
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\985dda76570c9efdd692eca4a7bef55c99cbcac5ae7683360c115ea5529ebaa5.bat"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\\Windows\\System32\\cmd.exe C:\\Users\\Public\\alpha.exe2⤵
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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
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C:\Windows\system32\extrac32.exeextrac32.exe /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe3⤵
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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\985dda76570c9efdd692eca4a7bef55c99cbcac5ae7683360c115ea5529ebaa5.bat" "C:\\Users\\Public\\Yano.txt" 92⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Public\kn.exeC:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\985dda76570c9efdd692eca4a7bef55c99cbcac5ae7683360c115ea5529ebaa5.bat" "C:\\Users\\Public\\Yano.txt" 93⤵
- Executes dropped EXE
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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
- Suspicious use of WriteProcessMemory
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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
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C:\Users\Public\Libraries\Yano.comC:\Users\Public\Libraries\Yano.com2⤵
- Executes dropped EXE
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 7283⤵
- Loads dropped DLL
- Program crash
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del "C:\Users\Public\Yano.txt" / A / F / Q / S2⤵
- Executes dropped EXE
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del "C:\Users\Public\kn.exe" / A / F / Q / S2⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Public\Libraries\Yano.comFilesize
1.4MB
MD5a77fc511951e177b19df5e7604d39006
SHA1cfa9a6bf1f4cd3f652575c56821702e75e9ac0b4
SHA2569537982a9501f4dd4474d080c147a5afa3f125f6617811486c6341cdba1aa2da
SHA5121af66d8c0996fb61f8842b7a9616e1c84a646f2eefc776dcf4a36df0752efbd777bf7f35b4143c94991e6fed6f074a6f93be189a3506e4811c830ab40e450b39
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C:\Users\Public\Yano.txtFilesize
2.8MB
MD5870803b239f8eafe8c904002d071242a
SHA13636a93964cf42a9d9adbeb8fc91e73ddc9bea1f
SHA256f7cdbc8097cfc5ad70a9d5337b4bf699b9980b64d73d17cdd419ca8bb560f8ac
SHA512c065f4536ef7a932c6868689bd352a5cc6ed85f12ee5af540a7cfb537ae27d3e989c4a5d2a88521e66eb0efc385d8c24dde44befb91c224a4d259ca2ef888e6d
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\Users\Public\alpha.exeFilesize
337KB
MD55746bd7e255dd6a8afa06f7c42c1ba41
SHA10f3c4ff28f354aede202d54e9d1c5529a3bf87d8
SHA256db06c3534964e3fc79d2763144ba53742d7fa250ca336f4a0fe724b75aaff386
SHA5123a968356d7b94cc014f78ca37a3c03f354c3970c9e027ed4ccb8e59f0f9f2a32bfa22e7d6b127d44631d715ea41bf8ace91f0b4d69d1714d55552b064ffeb69e
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\Users\Public\kn.exeFilesize
1.1MB
MD5ec1fd3050dbc40ec7e87ab99c7ca0b03
SHA1ae7fdfc29f4ef31e38ebf381e61b503038b5cb35
SHA2561e19c5a26215b62de1babd5633853344420c1e673bb83e8a89213085e17e16e3
SHA5124e47331f2fdce77b01d86cf8e21cd7d6df13536f09b70c53e5a6b82f66512faa10e38645884c696b47a27ea6bddc6c1fdb905ee78684dca98cbda5f39fbafcc2
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memory/2552-26-0x00000000001B0000-0x00000000001B1000-memory.dmpFilesize
4KB
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memory/2552-31-0x0000000002DB0000-0x0000000003DB0000-memory.dmpFilesize
16.0MB
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memory/2552-32-0x0000000002DB0000-0x0000000003DB0000-memory.dmpFilesize
16.0MB
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memory/2552-34-0x00000000001B0000-0x00000000001B1000-memory.dmpFilesize
4KB
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memory/2552-35-0x0000000000400000-0x0000000000573000-memory.dmpFilesize
1.4MB