Analysis
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max time kernel
30s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
15/06/2023, 03:51
Behavioral task
behavioral1
Sample
rbxfpsunlocker_MS.exe
Resource
win7-20230220-en
General
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Target
rbxfpsunlocker_MS.exe
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Size
16.5MB
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MD5
b9c1bf922dad24ab74a82431dac10f42
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SHA1
0f0ead5c97a52a72c8c0eecb56cde46e3a34cbe4
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SHA256
7353e3e16cdb6517e4c40371ec89d676e9647db477815cd82f12c666bed9bb6f
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SHA512
f694f9e911e6aedc1508cf7fcd2971d982b15a1db68f867ca68fba3c3d741ab1190c4c245796e37a7f090d8ba9cee5d05aae8e96a926de38857b8e77d79e14c2
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SSDEEP
393216:6AIFkLFcQWXGznVPmpFqyYgsST02uEiD:9dFcQJnVPmW98fud
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 1604 rbxfpsunlocker_MS.exe -
resource yara_rule behavioral1/files/0x000500000001871e-155.dat upx behavioral1/files/0x000500000001871e-156.dat upx -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1448 wrote to memory of 1604 1448 rbxfpsunlocker_MS.exe 27 PID 1448 wrote to memory of 1604 1448 rbxfpsunlocker_MS.exe 27 PID 1448 wrote to memory of 1604 1448 rbxfpsunlocker_MS.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\rbxfpsunlocker_MS.exe"C:\Users\Admin\AppData\Local\Temp\rbxfpsunlocker_MS.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Users\Admin\AppData\Local\Temp\rbxfpsunlocker_MS.exe"C:\Users\Admin\AppData\Local\Temp\rbxfpsunlocker_MS.exe"2⤵
- Loads dropped DLL
PID:1604
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
1.4MB
MD5bbcb74867bd3f8a691b1f0a394336908
SHA1aea4b231b9f09bedcd5ce02e1962911edd4b35ad
SHA256800b5e9a08c3a0f95a2c6f4a3355df8bbbc416e716f95bd6d42b6f0d6fb92f41
SHA51200745ddd468504b3652bdda757d42ebe756e419d6432ceb029ed3ccde3b99c8ae21b4fc004938bb0babaa169768db385374b29ac121608c5630047e55c40f481
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Filesize
1.4MB
MD5bbcb74867bd3f8a691b1f0a394336908
SHA1aea4b231b9f09bedcd5ce02e1962911edd4b35ad
SHA256800b5e9a08c3a0f95a2c6f4a3355df8bbbc416e716f95bd6d42b6f0d6fb92f41
SHA51200745ddd468504b3652bdda757d42ebe756e419d6432ceb029ed3ccde3b99c8ae21b4fc004938bb0babaa169768db385374b29ac121608c5630047e55c40f481