Static task
static1
Behavioral task
behavioral1
Sample
kos4.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
kos4.exe
Resource
win10-20231020-en
General
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Target
kos4.exe
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Size
8KB
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MD5
01707599b37b1216e43e84ae1f0d8c03
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SHA1
521fe10ac55a1f89eba7b8e82e49407b02b0dcb2
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SHA256
cc0dbc1d31ccd9488695b690bd7e7aa4a90ba4b2a5d23ef48b296465f5aa44dd
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SHA512
9f9ff29a12d26a7d42656e0faf970c908f1ef428b14e5a5fe7acd06371b96b16eb984e8fbee4e2b906c6db7fb39c9d4a221e79fc3d5e9ca9b59e377875bc5642
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SSDEEP
96:HPyJOuzM2WGKoFRakdwZKozt1x3fQwGTzNt:uWj8aGwZ3x3W1
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource kos4.exe
Files
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kos4.exe.exe windows:4 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_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - 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