Static task
static1
Behavioral task
behavioral1
Sample
RBX_Downgrader.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
RBX_Downgrader.exe
Resource
win10v2004-20230915-en
General
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Target
RBX_Downgrader.exe
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Size
11KB
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MD5
21842b3ccf1347ef46a957c39844e4f4
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SHA1
8927dd240ada33dc53e6301e0683d07fec773898
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SHA256
7687b460d085d1a08593e4a4366ac7460a30249f71d97b620195b138d13aeb49
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SHA512
0d7e1edeaeacc46e64f145e4d3ce8d9c3f3a936a4029d09eae99215edb155f5416c39bab9d678dac23eddd9cc45c4a9417d854edaa2dc1434b7265bc5609d25a
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SSDEEP
192:X7UeYhHcAk4bpASY2++NxBFU1l11zWEiGdl95SaQZFooaTt:LMk4bI2fl+RKGdLoa3rT
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource RBX_Downgrader.exe
Files
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RBX_Downgrader.exe.exe windows:4 windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
mscoree
_CorExeMain
Sections
.text Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ