Analysis
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max time kernel
114s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19-08-2024 12:43
Behavioral task
behavioral1
Sample
a00fe3a2c55cd63807c35ccf89171830N.exe
Resource
win7-20240704-en
General
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Target
a00fe3a2c55cd63807c35ccf89171830N.exe
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Size
35KB
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MD5
a00fe3a2c55cd63807c35ccf89171830
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SHA1
cf1ae9ff4aad8776d068fd982d1faf35c84dee30
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SHA256
06d6b7a7a3a0e29902f581826dc400375327c0737f12e6c7155c6fdde56373a1
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SHA512
5b13d2cac4bd217bb937c026343285a679406b709f18c1e3aba27a8d5bfb4270b17179359dc4b7b575fd944b52985b45fc7590942f4ce04ff87a16eded1592be
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SSDEEP
768:A6vjVmakOElpmAsUA7DJHrhto2OsgwAPTUrpiEe7HpB:X8Z0kA7FHlO2OwOTUtKjpB
Malware Config
Extracted
neconyd
http://ow5dirasuek.com/
http://mkkuei4kdsz.com/
http://lousta.net/
Signatures
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Executes dropped EXE 2 IoCs
Processes:
omsecor.exeomsecor.exepid process 1368 omsecor.exe 676 omsecor.exe -
Processes:
resource yara_rule behavioral2/memory/1904-0-0x0000000000400000-0x000000000042D000-memory.dmp upx C:\Users\Admin\AppData\Roaming\omsecor.exe upx behavioral2/memory/1368-4-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral2/memory/1904-6-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral2/memory/1368-8-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral2/memory/1368-11-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral2/memory/1368-14-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral2/memory/1368-15-0x0000000000400000-0x000000000042D000-memory.dmp upx C:\Windows\SysWOW64\omsecor.exe upx behavioral2/memory/676-19-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral2/memory/1368-22-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral2/memory/676-23-0x0000000000400000-0x000000000042D000-memory.dmp upx -
Drops file in System32 directory 2 IoCs
Processes:
omsecor.exeomsecor.exedescription ioc process File created C:\Windows\SysWOW64\omsecor.exe omsecor.exe File opened for modification C:\Windows\SysWOW64\merocz.xc6 omsecor.exe -
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.
Processes:
omsecor.exeomsecor.exea00fe3a2c55cd63807c35ccf89171830N.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language omsecor.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language omsecor.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a00fe3a2c55cd63807c35ccf89171830N.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
a00fe3a2c55cd63807c35ccf89171830N.exeomsecor.exedescription pid process target process PID 1904 wrote to memory of 1368 1904 a00fe3a2c55cd63807c35ccf89171830N.exe omsecor.exe PID 1904 wrote to memory of 1368 1904 a00fe3a2c55cd63807c35ccf89171830N.exe omsecor.exe PID 1904 wrote to memory of 1368 1904 a00fe3a2c55cd63807c35ccf89171830N.exe omsecor.exe PID 1368 wrote to memory of 676 1368 omsecor.exe omsecor.exe PID 1368 wrote to memory of 676 1368 omsecor.exe omsecor.exe PID 1368 wrote to memory of 676 1368 omsecor.exe omsecor.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a00fe3a2c55cd63807c35ccf89171830N.exe"C:\Users\Admin\AppData\Local\Temp\a00fe3a2c55cd63807c35ccf89171830N.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1904 -
C:\Users\Admin\AppData\Roaming\omsecor.exeC:\Users\Admin\AppData\Roaming\omsecor.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1368 -
C:\Windows\SysWOW64\omsecor.exeC:\Windows\System32\omsecor.exe3⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:676
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
35KB
MD5bb782486b12b057300bc6245995d6649
SHA1a51d6bd1925b7ceed4f312923b89b7af6b6c82e2
SHA2564023c822a006be70851c316d090eee3f3c51abc1575d4ea944c1fecc6ead86fd
SHA512d08a28c6b8e3c66aa687ccd4093137345e8f34c7d442adb13350d6ffbee99b11e0835f1df678385a8e816d990ac6b92ee05f1de3048047df90fe1b3a1cdb0b08
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Filesize
35KB
MD526f62bb322a58c00b031516406a6c509
SHA159d067e9d01f6a6df1f895f8dfc55a25269052bf
SHA256e138cd501a28ceeb522488bffaa8df14ad4cb46218bd650c2d6ad570fee392cb
SHA51274b1251e4aff5ac9db236c68d0398380af587a46e7a46e27286c61e1b6cef962bed47b1a084389b4268b65e29dfaf28f37ebf12c4e3f5267e54be8f8374da76f