Static task
static1
Behavioral task
behavioral1
Sample
Yjcznyaio.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
Yjcznyaio.exe
Resource
win10v2004-20231130-en
General
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Target
3efc1b97fec22aac64312a98c7a5d2aece1d84dbacd6f7a082333fc25ccdf84d
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Size
356KB
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MD5
10d3a4644025e145422f88dadec5d0a0
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SHA1
413e8e5cbb54d0886bd3d34b15ee28646a90b771
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SHA256
3efc1b97fec22aac64312a98c7a5d2aece1d84dbacd6f7a082333fc25ccdf84d
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SHA512
3560b64d43c066b5b0145caa72828dee4ce1e3c9fad028521db606da88739c77f721d252f5936e417f57ed0c104c37be68a6b6c2eda2eb4014d9da1545d0ad21
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SSDEEP
6144:Ro6G1waDn8VZNzqKqZx5nsvbGc43sQV7WJtOZdk/9+qFeQtO9BJj02:RyvD2ZJqx5nybtMXW/Ca/9JVtO9BW2
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource unpack001/Yjcznyaio.exe
Files
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3efc1b97fec22aac64312a98c7a5d2aece1d84dbacd6f7a082333fc25ccdf84d.zip
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Yjcznyaio.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 483KB - Virtual size: 482KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ