Static task
static1
Behavioral task
behavioral1
Sample
marceckos.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
marceckos.exe
Resource
win10v2004-20231215-en
General
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Target
50902f2ec88f4c26f3830f0e7039c925
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Size
103KB
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MD5
50902f2ec88f4c26f3830f0e7039c925
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SHA1
c985811b2f6ea779fe73c3d1bf0a580787a01b32
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SHA256
5db2c5ee4ea9b0d201938827c1cc6ea36bbfab781c40529bebde46624f15887d
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SHA512
dd17195d91b2a5e57bbd3ce859f69869a82d7c62cd44e226b00c84dd500e79c648332bbbd8c1c0056b7e3818f1f1bddbcba71c91c0d32f2d9cb6ee5287b12696
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SSDEEP
3072:a36yNRsZ15Tcf0oZNfL7THpeMX2GGbE4yp1aTsCwC:rqsPxwvpeMGtgDp1aTsCL
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/marceckos.exe
Files
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50902f2ec88f4c26f3830f0e7039c925.zip
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marceckos.exe.exe windows:4 windows x86 arch:x86
bd0c734fd31b362fc51f302b2659b80b
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
InitializeCriticalSection
GetProcAddress
LocalFree
RaiseException
LocalAlloc
GetModuleHandleA
LeaveCriticalSection
EnterCriticalSection
ResumeThread
WriteProcessMemory
GetPrivateProfileSectionA
RtlUnwind
WideCharToMultiByte
MultiByteToWideChar
LCMapStringA
LCMapStringW
GetStringTypeA
GetStringTypeW
Sections
0 Size: 44KB - Virtual size: 83KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
1 Size: 512B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
2 Size: 8KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
3 Size: 41KB - Virtual size: 64KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
4 Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
5 Size: 6KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE