Behavioral task
behavioral1
Sample
81311b041d880e96921ace0c4d86182b.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
81311b041d880e96921ace0c4d86182b.exe
Resource
win10v2004-20231215-en
General
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Target
81311b041d880e96921ace0c4d86182b
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Size
1.0MB
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MD5
81311b041d880e96921ace0c4d86182b
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SHA1
d604df808cf5620c4db331574df760bca3c36b5b
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SHA256
89f0cddc2a219675a8754845780a2a879bb74f953512e2c6ef6e605b8b5909bc
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SHA512
ccb9b8785d89085021c8b2b851c319a7b2d8558c0af792662e40fc33ee3f28b1bf30260e899bc517afe02e15c0d7f1668f5bde46ff594f25e0c29a4e3f7a905b
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SSDEEP
24576:+D3euKmLCkWZk+cHTrlQzSraIKu78ThO3pEUaUTV4s:g3+pF2HXLaI8KaUT
Malware Config
Signatures
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resource yara_rule sample upx -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule static1/unpack001/out.upx autoit_exe -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 81311b041d880e96921ace0c4d86182b unpack001/out.upx
Files
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81311b041d880e96921ace0c4d86182b.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 384KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 228KB - Virtual size: 228KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 5KB - Virtual size: 8KB
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_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 421KB - Virtual size: 420KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 56KB - Virtual size: 55KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 25KB - Virtual size: 105KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ