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Analysis
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max time kernel
171s -
max time network
136s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
07/04/2024, 18:13
Static task
static1
Behavioral task
behavioral1
Sample
046c9c3a5ee7c66991dce176a5be4be57aca722419a6a4abc504aac0805df57e.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
046c9c3a5ee7c66991dce176a5be4be57aca722419a6a4abc504aac0805df57e.exe
Resource
win10v2004-20240226-en
General
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Target
046c9c3a5ee7c66991dce176a5be4be57aca722419a6a4abc504aac0805df57e.exe
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Size
410KB
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MD5
32ad61820f264e3c2f608220e5271c71
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SHA1
9f83f3292148128c4ac18946235a2e80efa0c0a0
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SHA256
046c9c3a5ee7c66991dce176a5be4be57aca722419a6a4abc504aac0805df57e
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SHA512
562cd6ebd1f2542d77409cb3a52da9d6c942195a6b313b568f8d1715f02ac52f209ac3094bc80260791eaf8df9ee5a95cf57966c1654869d42ed34fbec8c95d3
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SSDEEP
6144:6BxIK3CTW8TMjp41u6nyHwnZtA9sRwkbIT6FQxSmXI+z+wYZKnMbVb4udYb2WGo:CxIK9V14ImyHYm7m9KEb/2Go
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2552 libmir.exe -
Loads dropped DLL 2 IoCs
pid Process 2532 046c9c3a5ee7c66991dce176a5be4be57aca722419a6a4abc504aac0805df57e.exe 2532 046c9c3a5ee7c66991dce176a5be4be57aca722419a6a4abc504aac0805df57e.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\ProgramData\\libmir.exe" libmir.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2532 wrote to memory of 2552 2532 046c9c3a5ee7c66991dce176a5be4be57aca722419a6a4abc504aac0805df57e.exe 28 PID 2532 wrote to memory of 2552 2532 046c9c3a5ee7c66991dce176a5be4be57aca722419a6a4abc504aac0805df57e.exe 28 PID 2532 wrote to memory of 2552 2532 046c9c3a5ee7c66991dce176a5be4be57aca722419a6a4abc504aac0805df57e.exe 28 PID 2532 wrote to memory of 2552 2532 046c9c3a5ee7c66991dce176a5be4be57aca722419a6a4abc504aac0805df57e.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\046c9c3a5ee7c66991dce176a5be4be57aca722419a6a4abc504aac0805df57e.exe"C:\Users\Admin\AppData\Local\Temp\046c9c3a5ee7c66991dce176a5be4be57aca722419a6a4abc504aac0805df57e.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\ProgramData\libmir.exe"C:\ProgramData\libmir.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:2552
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
410KB
MD58ebed831921df187a17f3b32ec98a9f9
SHA120718ca0a0c0bc227f52eb9913734bfac8b721da
SHA256ab9f1eb60659a6b6d469320431854690af038ce4b469e13153c18af1e0b0c7da
SHA51213016d6aa620ae8033e9b4ca08b360b82a2ce46e114b8da0a191fea8059f87ac9efce50071dfecfd3a71c6e9c1c7cda3eef74b6f853ac3d68119f3f870d229e7
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Filesize
150KB
MD5a52d6cb53c4c31e9f5ad53a356adf9dd
SHA14e9b2d208dc3c3a6e23decb0a7d7381c73f7b101
SHA256f6bc441488529eadccfef115d11fa10c5cb8cb125b6c08c52a2bbc144bd4f7d8
SHA5126d86153ffb8c803092d4fe30f1df1371657023eb10fd56dfeca684ff13a3222f64b11592576d3990f14cf915987a3372cf89774f811ef33dbd5f1b7db5ba681b
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Filesize
260KB
MD51e9139a4cf7586395dd62c39012634f8
SHA1ab2f3277fb6afafcb0a024004656cf36c8fce4f2
SHA2568b24af510ea0af246730879f235288f609b2f0d2dda8c15770e9cc8f919e2e98
SHA5125e4e27126e7c93784d54646be5a7aae39aa00ac39bba624d581bb53be917b3de931f2872e9165bc812be627200f07b7ffa94e24c774e8be49373cca7637ab925