Behavioral task
behavioral1
Sample
fw.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
fw.exe
Resource
win10v2004-20230703-en
General
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Target
fw.exe
-
Size
67.9MB
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MD5
604b1427686d5e7e8e18bd4a23124e9c
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SHA1
c8bc45ad7c4721d40aa4c2fcdaea0f929c505228
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SHA256
3bcdb6c66fb60903403c5b47f2f8b56bafd9a4f10a6958188535482409d79236
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SHA512
9a573d8e1ff7e81ad45b2de750bb887d94a06f7fd57ace981444a6c3c809854aad16b8da3072f9d5f4231135cb2f9faf83694b675e196a8141d2b7b78493e67b
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SSDEEP
1572864:+RNXHav+Ib1XyVFrK15uXwSOiw6R4+8TrMOszSmed:+rHP41izrK1owyGMv/g
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource fw.exe unpack001/out.upx
Files
-
fw.exe.exe windows x64
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: - Virtual size: 206.8MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 67.9MB - Virtual size: 67.9MB
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 x64
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
Sections
.text Size: 4.9MB - Virtual size: 4.9MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 5.7MB - Virtual size: 5.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 259.9MB - Virtual size: 260.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
/4 Size: 512B - Virtual size: 276B
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/19 Size: 591KB - Virtual size: 590KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/32 Size: 166KB - Virtual size: 166KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/46 Size: 30KB - Virtual size: 30KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/63 Size: 73KB - Virtual size: 73KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/80 Size: 512B - Virtual size: 42B
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/99 Size: 1.1MB - Virtual size: 1.1MB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/112 Size: 701KB - Virtual size: 701KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/124 Size: 233KB - Virtual size: 232KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.idata Size: 1024B - Virtual size: 914B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.symtab Size: 1.1MB - Virtual size: 1.1MB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ