Behavioral task
behavioral1
Sample
arc_unpacker.exe
Resource
win7-20240729-en
General
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Target
arc_unpacker-0.11-bin.zip
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Size
2.7MB
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MD5
d7131abd8d8bb1ea631cd78caad82963
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SHA1
205976dc99290084bcd3efeb95bb3f0784fe2476
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SHA256
c55bdd25a8f4e0f9aa58e2f2c806faf179514f4b929c43016dbf606d16ba2bc7
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SHA512
6ec5869ac8af1204e0aa2a041c0a77b04b25cfe33fb376c57aa5f283722c8c3bc15107ea4dce1b91f1b1ae3035425b601cc7e80002e76dbc1b0b04248ca7c267
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SSDEEP
49152:Yoy9PSkDe9laEdzVLIunGL9oM8xuQtmkhpyClwG93GYQiQ/Ez6PD0FAPDokN:QPSOe9c6LIuk9j8UQtmknyClz92YQhEm
Malware Config
Signatures
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resource yara_rule static1/unpack001/arc_unpacker.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/arc_unpacker.exe unpack002/out.upx
Files
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arc_unpacker-0.11-bin.zip.zip
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arc_unpacker.exe.exe windows:4 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_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: - Virtual size: 3.5MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 2.2MB - Virtual size: 2.2MB
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:4 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_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
.text Size: 4.2MB - Virtual size: 4.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 46KB - Virtual size: 46KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 1.4MB - Virtual size: 1.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 43KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 56B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 32B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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etc/noraneko.lst
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etc/shiina_rio/flag.png.png
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etc/shiina_rio/logo1.png.png
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etc/shiina_rio/logo2.jpg.jpg
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etc/shiina_rio/logo3.jpg.jpg
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etc/shiina_rio/logo4.jpg.jpg
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etc/shiina_rio/logo5.jpg.jpg
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etc/shiina_rio/logo6.jpg.jpg
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etc/shiina_rio/region.png.png
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etc/shiina_rio/table1.bin
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etc/shiina_rio/table2.bin
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etc/shiina_rio/table3.bin
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etc/shiina_rio/table4.bin
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etc/th135-file-names.lst
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etc/th145-file-names.lst
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etc/tsujidou-junai.lst
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etc/tsujidou-virgin.lst
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etc/xp3/karakara.dat