Analysis
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max time kernel
1801s -
max time network
1586s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
31-03-2023 18:01
Static task
static1
Behavioral task
behavioral1
Sample
OpenRailsSetup.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
OpenRailsSetup.exe
Resource
win10v2004-20230220-en
General
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Target
OpenRailsSetup.exe
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Size
23.2MB
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MD5
8dffc24f78f71f2272c33f25be6b0be8
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SHA1
a4a49f250f346c5793eecd538fe4e6bd81dc3d75
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SHA256
52e5f6917d31474ec92aee87b32831011defaf0bdd2bfc52ac9272e929440b8f
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SHA512
b8ab4a5476b40b95480471d7e4eac25dcd225c922aa357a1e6584af6d985a6efc7b39a32925b1db80a563fb81eb325b93155dd06d47053bb84fc24e6d81d654c
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SSDEEP
393216:7XgdaUT5HaM0HhE3jI8oL8pW7C3QhvpGKxPpLUAUWzoMFcno6+OvXMO0VU3kLUTJ:7XgdR1muU8oQT38RxqWzp6o6+AP0VU+K
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
OpenRailsSetup.tmppid process 1636 OpenRailsSetup.tmp -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
OpenRailsSetup.exedescription pid process target process PID 4912 wrote to memory of 1636 4912 OpenRailsSetup.exe OpenRailsSetup.tmp PID 4912 wrote to memory of 1636 4912 OpenRailsSetup.exe OpenRailsSetup.tmp PID 4912 wrote to memory of 1636 4912 OpenRailsSetup.exe OpenRailsSetup.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\OpenRailsSetup.exe"C:\Users\Admin\AppData\Local\Temp\OpenRailsSetup.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-6G6BR.tmp\OpenRailsSetup.tmp"C:\Users\Admin\AppData\Local\Temp\is-6G6BR.tmp\OpenRailsSetup.tmp" /SL5="$9006A,23962851,56832,C:\Users\Admin\AppData\Local\Temp\OpenRailsSetup.exe"2⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\is-6G6BR.tmp\OpenRailsSetup.tmpFilesize
691KB
MD59303156631ee2436db23827e27337be4
SHA1018e0d5b6ccf7000e36af30cebeb8adc5667e5fa
SHA256bae22f27c12bce1faeb64b6eb733302aff5867baa8eed832397a7ce284a86ff4
SHA5129fe100fafb1c74728109667b5a2261a31e49c45723de748adaa1d9cb9f8daa389b871056c70066fa3a05be82a5017c8dd590ae149a56d824a9e250d31091a40f
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C:\Users\Admin\AppData\Local\Temp\is-6G6BR.tmp\OpenRailsSetup.tmpFilesize
691KB
MD59303156631ee2436db23827e27337be4
SHA1018e0d5b6ccf7000e36af30cebeb8adc5667e5fa
SHA256bae22f27c12bce1faeb64b6eb733302aff5867baa8eed832397a7ce284a86ff4
SHA5129fe100fafb1c74728109667b5a2261a31e49c45723de748adaa1d9cb9f8daa389b871056c70066fa3a05be82a5017c8dd590ae149a56d824a9e250d31091a40f
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memory/1636-139-0x00000000021F0000-0x00000000021F1000-memory.dmpFilesize
4KB
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memory/1636-145-0x0000000000400000-0x00000000004BD000-memory.dmpFilesize
756KB
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memory/1636-146-0x00000000021F0000-0x00000000021F1000-memory.dmpFilesize
4KB
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memory/4912-133-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4912-144-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB