Behavioral task
behavioral1
Sample
Chuzzle.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Chuzzle.exe
Resource
win10v2004-20230915-en
General
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Target
Chuzzle.exe
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Size
497KB
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MD5
3f9ce219cfe29c22b6bdce09ac1cef41
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SHA1
a689489c726245adff4851156b5de677c29b8b24
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SHA256
b362b4592da61bacdc258a594eb4569fd480af6cbd7e8818256070afd4f64b55
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SHA512
83c48e6298ffb5beec3d5ba9e8cf387f00dd0a33d095b3ad056d8924352f0ddcc9039f1cb1f7de0cc12a28aef335f13e46e1f14213547507a1dea21fd8cc18bd
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SSDEEP
12288:EoKNhvPReYxqywTAeH1KEtKU9FZQcqf6dw:EoKN/WTAwb0QFunj
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource Chuzzle.exe unpack001/out.upx
Files
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Chuzzle.exe.exe windows 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
Sections
UPX0 Size: - Virtual size: 636KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 469KB - Virtual size: 472KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 27KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows 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
Sections
.text Size: 856KB - Virtual size: 853KB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.bss Size: 156KB - Virtual size: 154KB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.text Size: 52KB - Virtual size: 49KB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 32KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.epn Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE