Behavioral task
behavioral1
Sample
ikun(3).exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
ikun(3).exe
Resource
win10v2004-20230915-en
General
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Target
ikun(3).exe
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Size
728KB
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MD5
bb957be519e6dc867a015f2b015f6cf4
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SHA1
3d49b395be0e49ddc1e941dbbfa93fac78c7c451
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SHA256
389ab50b82267d0a8a4eae85d8a932aff83fde793824d91349a934c4687be5f3
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SHA512
603c6b509d7d784837b8b32294ef9c9e34e84e07596d64666ce1f5bc2795e63a2a0d41f9c32c8f84c647b98f2edb27e7caa67c4972f08c59c82b21b365a6d637
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SSDEEP
12288:60cYwvA/h+7nXKwr9cM9lN5o+qpErIVtKAs2CGGAZE2ko9SLdisqCOeUZQR:60cOh+7Jr9l9j5o+qKktKt9mZ/kyeECz
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource ikun(3).exe unpack001/out.upx
Files
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ikun(3).exe.exe windows:6 windows x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
KUN0 Size: - Virtual size: 1.6MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
KUN1 Size: 727KB - Virtual size: 728KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:6 windows x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
.text Size: 1.1MB - Virtual size: 1.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 818KB - Virtual size: 818KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 65KB - Virtual size: 417KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 27KB - Virtual size: 26KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 512B - Virtual size: 156B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 20KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.symtab Size: 512B - Virtual size: 4B
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ