Behavioral task
behavioral1
Sample
system.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
system.exe
Resource
win10v2004-20240508-en
General
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Target
system.exe
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Size
55KB
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MD5
eb547794e0f925ad3ced296af915c6c7
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SHA1
ebcdaaa7672f35f04ef1238182861fbd3471acf2
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SHA256
cf00e7ce7e95d56eb03d5ec5c95f87acf533a274b76ca4db4ba4ff6318954d57
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SHA512
2b5a7d0d8f2ca37bb6d3fba8029fb24847263df30b806db95f83b9f4263fd68d42ad6a007fc4459de4714c1bf1dd580894527d216c311ae266d4ef7b8f26ed26
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SSDEEP
1536:OhBZ1b9c409y1G1i35Bo01i/gcU8eVTOK/YqjYYamvbtb:yZl2zox91i/NU82OMYcYYamv5b
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource system.exe unpack001/out.upx
Files
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system.exe.exe windows:4 windows x86 arch: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: 100KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 29KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 25KB - 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
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: 88KB - Virtual size: 87KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 28KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ