Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20230220-en
General
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Target
tmp
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Size
131KB
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MD5
925a33d545b81303f95076ca52264c0a
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SHA1
81674cc002e4c98d59480e6365adaa4c4733e170
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SHA256
55e1190786eb6c0a8c69827849af9b21ec8ece3936622f9c45ea074f4ee39691
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SHA512
c286defab0a46e3393510d6efd80756fe7495e15fc4980b367ce5f4b718f24e336b474b7f2ff9ed24973d119a0abdebfe43db351b39d40cdf406509b96213f1c
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SSDEEP
1536:0kwLskUVwPaELiamqLzBP3og6EoYt9KtL0g6su15vmKWz6ej/Hvc+XHeLjuBwyPH:9wiuJl3og6e9KtQ915ovc+u0wY
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 tmp
Files
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tmp.exe windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
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
Imports
mscoree
_CorExeMain
Sections
.text Size: 128KB - Virtual size: 127KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ