Behavioral task
behavioral1
Sample
stage3_muthal.bin.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
stage3_muthal.bin.exe
Resource
win10v2004-20240419-en
General
-
Target
stage3_muthal.bin.exe
-
Size
830KB
-
MD5
4083c7b8b4ba81bf66179b0b7072bdab
-
SHA1
ee01f16e7fc58dc37d245de797de118f751c0824
-
SHA256
ef52e496deef5f97729b97696c20c43eae3b183ac23711beab021693f37be761
-
SHA512
10d38d5baabe19f331b10a1548fa2d2ef028c16aba087f65595733fd107bcf9524939cbd050aa5501931bf559923cb44ac49c817aea111f0acdefa02af211d92
-
SSDEEP
12288:1gaKDyLliWtG1VXiTtcB9AC0bipbZ3cxRA9JSi6stKSsiblxmPd5R:vGDCt0H01if6VxiZEPd5
Malware Config
Signatures
-
Detect ZGRat V1 1 IoCs
resource yara_rule sample family_zgrat_v1 -
Zgrat family
-
.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 stage3_muthal.bin.exe
Files
-
stage3_muthal.bin.exe.exe windows:4 windows x86 arch: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: 827KB - Virtual size: 826KB
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
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ