Static task
static1
Behavioral task
behavioral1
Sample
RexonFREE.dll
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
RexonFREE.dll
Resource
win10v2004-20231127-en
General
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Target
RexonFREE.dll
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Size
2.5MB
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MD5
e66762e7ece402b13fbadc7858397359
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SHA1
9008fc4aa88eee97cadd16b8b94f537320bbea62
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SHA256
40fcef2de587785202faf78f541639508279e198f13887f8bcee44612f011ac5
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SHA512
6ba1affad47313450c8251bdb20009aab8b093a9c369c7fbaceb3bb2a8dd4bc6de61c1968f4d805e685bbef1993e4f6f1d6f39ffbb7676472d02c50121468731
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SSDEEP
49152:ko9HQRWZ5eG+iozyxDHuASznHBoxHV6VAP7krzn5+5L1GgWrWy1bquisKpqg9Xol:k4Hu+7R2BByUYDo
Malware Config
Signatures
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.NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule sample net_reactor -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource RexonFREE.dll
Files
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RexonFREE.dll.dll windows:4 windows x86 arch:x86
dae02f32a21e03ce65412f6e56942daa
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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Imports
mscoree
_CorDllMain
Sections
.text Size: 2.5MB - Virtual size: 2.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1024B - Virtual size: 840B
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