SkillHook[.]exe | Triage

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General

Target

SkillHook.exe
Size

6.2MB
MD5

810da268a12f802e451edd971955c958
SHA1

79d307100837e66289a53763ceb68f62ee0592db
SHA256

65ece360eed9fbd1432cd10654d58ebbb1d7aaf68b2da0744853f302199cf280
SHA512

30dcea2339b844220eedadd1154d352ef3a6a418df8424ac918c398017e06fa77d317475a3f8edbab69204f4d4d24d93e815de1a3cd5aa0e297d2ccdd44b34cc
SSDEEP

98304:o0qglbTf8pEdxss45L/yl55xtolX7OXJ+7Z4EJ6h2lgIy4DPVrr+yc25QYYZR:ooZL8pEjsXml5xolXl4EwigMBds

Score

7^/10

Malware Config

Signatures

.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
SkillHook.exe

Files

SkillHook.exe
.exe windows:4 windows x86 arch: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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

SkillHook.pdb

Imports

mscoree

_CorExeMain

Sections

.text
Size: 6.2MB - Virtual size: 6.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 32KB - Virtual size: 31KB

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