Behavioral task
behavioral1
Sample
worminst.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
worminst.exe
Resource
win10v2004-20231215-en
General
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Target
9904208ecb69850bf696a8219c0c142f
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Size
1.0MB
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MD5
9904208ecb69850bf696a8219c0c142f
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SHA1
e498d7ddb1fd77ed219cd6c12b586139d2dcf380
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SHA256
6eafb50eddd44360b46f3b69640fbd00c9bfd80f50fd6e255369bc9645e263fd
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SHA512
1859438daa9261efceb5ae06e4950039195b4fbe5aae9811674cd57b2ebe2d617881438c7b0ccad17369326b284856a047736ad57866bcb532c6df52f096cb6b
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SSDEEP
24576:Us80ZnGden/OItF4BuedIpkZ/CCncV4R8ukUsl4EGlqHzG3BGJxghX6lUGP/9:20pGUn/OItqBueCI8ulz/qTEkxg9UU4V
Malware Config
Signatures
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resource yara_rule static1/unpack001/worminst.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/worminst.exe unpack002/out.upx
Files
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9904208ecb69850bf696a8219c0c142f.rar
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worminst.exe.exe windows:1 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
UPX0 Size: - Virtual size: 160KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 84KB - Virtual size: 84KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 3KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:1 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 142KB - Virtual size: 142KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 2KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 116B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 45KB - Virtual size: 45KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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