Analysis
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max time kernel
203s -
max time network
209s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
03-12-2022 08:44
Static task
static1
Behavioral task
behavioral1
Sample
f6caae81be69f9d6c86db810950230189fd67392b17f4b9f9fe4c2141b088eeb.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
f6caae81be69f9d6c86db810950230189fd67392b17f4b9f9fe4c2141b088eeb.exe
Resource
win10v2004-20221111-en
General
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Target
f6caae81be69f9d6c86db810950230189fd67392b17f4b9f9fe4c2141b088eeb.exe
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Size
687KB
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MD5
113bf81a934438b164b505942371363e
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SHA1
25f41c9c83c073c65a46bc40c533e21774d40558
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SHA256
f6caae81be69f9d6c86db810950230189fd67392b17f4b9f9fe4c2141b088eeb
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SHA512
f0bfeccd6c8ed7a4ecb54a09e353e64587b647130b76337f35be509de2ca2b5373f5dab91a3b72d08a4bf879e82de90ca1188eb0cbf6e2e1eb9d22d91213485f
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SSDEEP
12288:vHLvcehQTV5ptF46egx+cloechS9TCSvgKg3HJ1/TcAqBUA3O6qAzEJ:TvceeTbq/gxRUcuSoKgD/IAyUA3O6DYJ
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 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1948-137-0x0000000000400000-0x00000000004C1200-memory.dmp modiloader_stage2 behavioral2/memory/4260-138-0x0000000000400000-0x00000000004C1200-memory.dmp modiloader_stage2 behavioral2/memory/4260-139-0x0000000000400000-0x00000000004C1200-memory.dmp modiloader_stage2 -
Executes dropped EXE 1 IoCs
Processes:
rejoice2011.exepid process 4260 rejoice2011.exe -
Drops file in Program Files directory 2 IoCs
Processes:
f6caae81be69f9d6c86db810950230189fd67392b17f4b9f9fe4c2141b088eeb.exedescription ioc process File created C:\PROGRA~1\COMMON~1\MICROS~1\MSInfo\rejoice2011.exe f6caae81be69f9d6c86db810950230189fd67392b17f4b9f9fe4c2141b088eeb.exe File opened for modification C:\PROGRA~1\COMMON~1\MICROS~1\MSInfo\rejoice2011.exe f6caae81be69f9d6c86db810950230189fd67392b17f4b9f9fe4c2141b088eeb.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
f6caae81be69f9d6c86db810950230189fd67392b17f4b9f9fe4c2141b088eeb.exedescription pid process target process PID 1948 wrote to memory of 4260 1948 f6caae81be69f9d6c86db810950230189fd67392b17f4b9f9fe4c2141b088eeb.exe rejoice2011.exe PID 1948 wrote to memory of 4260 1948 f6caae81be69f9d6c86db810950230189fd67392b17f4b9f9fe4c2141b088eeb.exe rejoice2011.exe PID 1948 wrote to memory of 4260 1948 f6caae81be69f9d6c86db810950230189fd67392b17f4b9f9fe4c2141b088eeb.exe rejoice2011.exe PID 1948 wrote to memory of 4960 1948 f6caae81be69f9d6c86db810950230189fd67392b17f4b9f9fe4c2141b088eeb.exe cmd.exe PID 1948 wrote to memory of 4960 1948 f6caae81be69f9d6c86db810950230189fd67392b17f4b9f9fe4c2141b088eeb.exe cmd.exe PID 1948 wrote to memory of 4960 1948 f6caae81be69f9d6c86db810950230189fd67392b17f4b9f9fe4c2141b088eeb.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f6caae81be69f9d6c86db810950230189fd67392b17f4b9f9fe4c2141b088eeb.exe"C:\Users\Admin\AppData\Local\Temp\f6caae81be69f9d6c86db810950230189fd67392b17f4b9f9fe4c2141b088eeb.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
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C:\PROGRA~1\COMMON~1\MICROS~1\MSInfo\rejoice2011.exeC:\PROGRA~1\COMMON~1\MICROS~1\MSInfo\rejoice2011.exe2⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\cmd.execmd /c erase /F "C:\Users\Admin\AppData\Local\Temp\f6caae81be69f9d6c86db810950230189fd67392b17f4b9f9fe4c2141b088eeb.exe"2⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\PROGRA~1\COMMON~1\MICROS~1\MSInfo\rejoice2011.exeFilesize
687KB
MD5113bf81a934438b164b505942371363e
SHA125f41c9c83c073c65a46bc40c533e21774d40558
SHA256f6caae81be69f9d6c86db810950230189fd67392b17f4b9f9fe4c2141b088eeb
SHA512f0bfeccd6c8ed7a4ecb54a09e353e64587b647130b76337f35be509de2ca2b5373f5dab91a3b72d08a4bf879e82de90ca1188eb0cbf6e2e1eb9d22d91213485f
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C:\Program Files\Common Files\microsoft shared\MSInfo\rejoice2011.exeFilesize
687KB
MD5113bf81a934438b164b505942371363e
SHA125f41c9c83c073c65a46bc40c533e21774d40558
SHA256f6caae81be69f9d6c86db810950230189fd67392b17f4b9f9fe4c2141b088eeb
SHA512f0bfeccd6c8ed7a4ecb54a09e353e64587b647130b76337f35be509de2ca2b5373f5dab91a3b72d08a4bf879e82de90ca1188eb0cbf6e2e1eb9d22d91213485f
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memory/1948-132-0x0000000000400000-0x00000000004C1200-memory.dmpFilesize
772KB
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memory/1948-137-0x0000000000400000-0x00000000004C1200-memory.dmpFilesize
772KB
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memory/4260-133-0x0000000000000000-mapping.dmp
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memory/4260-138-0x0000000000400000-0x00000000004C1200-memory.dmpFilesize
772KB
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memory/4260-139-0x0000000000400000-0x00000000004C1200-memory.dmpFilesize
772KB
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memory/4960-136-0x0000000000000000-mapping.dmp