Behavioral task
behavioral1
Sample
818f19cc09293a861804ba866a6b6f27c32202c9507b5e5213d452907c4b7e9e.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
818f19cc09293a861804ba866a6b6f27c32202c9507b5e5213d452907c4b7e9e.exe
Resource
win10v2004-20231023-en
General
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Target
818f19cc09293a861804ba866a6b6f27c32202c9507b5e5213d452907c4b7e9e.exe.zip
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Size
191KB
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MD5
3ac818dd95116d5f0cf99975793552a4
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SHA1
28e2f0855579c344bf26756ac12042d44bca81fa
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SHA256
1acd96dbd9e0986fcd35bd34ca2dcd6b7d199ac8f38ea0041cfd76e6990b468c
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SHA512
55dbd8bbff923b08007dccde9020fc8f46ed527986aa1f61eaff62d70ba9739e5e75e62afb344f72256363aa1f9bb55ca7b31ea22aedf9694530033e63ceb2f0
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SSDEEP
3072:wf0DiFsPBccmzQQW0xn8kYI/r0X2w5hlaWGzFQ9hdYDGzpYCNr95pIP2Ma320u1L:o8iFFcm9BYI/r0nNkzSy8G4bpINa320k
Malware Config
Signatures
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Patched UPX-packed file 1 IoCs
Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.
resource yara_rule static1/unpack002/out.upx patched_upx -
resource yara_rule static1/unpack001/818f19cc09293a861804ba866a6b6f27c32202c9507b5e5213d452907c4b7e9e.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/818f19cc09293a861804ba866a6b6f27c32202c9507b5e5213d452907c4b7e9e.exe unpack002/out.upx
Files
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818f19cc09293a861804ba866a6b6f27c32202c9507b5e5213d452907c4b7e9e.exe.zip.zip
Password: infected
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818f19cc09293a861804ba866a6b6f27c32202c9507b5e5213d452907c4b7e9e.exe.exe windows:4 windows 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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: - Virtual size: 324KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 192KB - Virtual size: 196KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows 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
IMAGE_FILE_DEBUG_STRIPPED
Sections
.text Size: 330KB - Virtual size: 329KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 736B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 144KB - Virtual size: 143KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 19KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 880B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE