Behavioral task
behavioral1
Sample
55c31dc065b6ea8b1507c407cc24e3ae73ab1f6806b15a0e08ff45e6e00e4bb8.exe
Resource
win7-20240220-en
General
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Target
55c31dc065b6ea8b1507c407cc24e3ae73ab1f6806b15a0e08ff45e6e00e4bb8
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Size
255KB
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MD5
160864f22ee6f33e7fe30c645413fac7
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SHA1
475ce2e39226e2fb530bc23d6fe52ac0188b2614
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SHA256
55c31dc065b6ea8b1507c407cc24e3ae73ab1f6806b15a0e08ff45e6e00e4bb8
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SHA512
9051578c787709e9bde3dd61e27d42953505a077e685cddda4aacd9dc70cc2d127606e1411bba829c114edd5445a92d4d29675cce0554cfea1a527b22e6c52a0
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SSDEEP
3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJ0:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI1
Malware Config
Signatures
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UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
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 55c31dc065b6ea8b1507c407cc24e3ae73ab1f6806b15a0e08ff45e6e00e4bb8 unpack001/out.upx
Files
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55c31dc065b6ea8b1507c407cc24e3ae73ab1f6806b15a0e08ff45e6e00e4bb8.exe windows:4 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: 388KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 217KB - Virtual size: 220KB
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:4 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: 399KB - Virtual size: 398KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 56KB - Virtual size: 56KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 11KB - Virtual size: 99KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 35KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ