Behavioral task
behavioral1
Sample
4b1a3448e9999922c7af08b63af46318.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4b1a3448e9999922c7af08b63af46318.exe
Resource
win10v2004-20231215-en
General
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Target
4b1a3448e9999922c7af08b63af46318
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Size
670KB
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MD5
4b1a3448e9999922c7af08b63af46318
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SHA1
32aaf56ae4827936dc6e7238362f04b7c2cea1d9
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SHA256
067f5a638aff5f29ba97fe24ec9cb2c85ff387f7c972787bd9662d7dfbfb592e
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SHA512
e2ebf1a0b8f1fa6e25f6372aba8d2cad13b2f26bbb24be089f3017a6eab1399ea3e9a769e426718aef51676f6084f1d611e595b4bcba643268160d26f7b0aa64
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SSDEEP
12288:yBc+XKix5v7kfucUZwB7CRB7G80RTx+FxNOMfA33sUKpfcsFmcyouSKhK6udcKwb:yBQi3vQ4Z+7CRNMNxSXA33OpfPFmcyo4
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 4b1a3448e9999922c7af08b63af46318 unpack001/out.upx
Files
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4b1a3448e9999922c7af08b63af46318.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 1.0MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 324KB - Virtual size: 328KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 344KB - Virtual size: 344KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 537KB - Virtual size: 536KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 91KB - Virtual size: 91KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 11KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 652KB - Virtual size: 651KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 29KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ