Behavioral task
behavioral1
Sample
virussign.com_ef8dcdb2b195bc9423142cfc94d91630.exe
Resource
win7-20240221-en
General
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Target
virussign.com_ef8dcdb2b195bc9423142cfc94d91630.vir
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Size
81KB
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MD5
ef8dcdb2b195bc9423142cfc94d91630
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SHA1
8a999b4b4afd12c69bbc0a3c8a9e3b79d3d651f3
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SHA256
0ca4e9fa60624ae77e1af863367fd2735fb08cb59f499e3d0052d9deb76e40f8
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SHA512
25e2a7696859e8e6e8663c3d7a6b0a223302628fa22be01a953fcd8be21c1777e974ce5f9b9d6cf051fa57c4ae28bb86f6d6e5185d7f0bdffa00518b8d4c7706
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SSDEEP
1536:zvQBeOGtrYS3srx93UBWfwC6Ggnouy8iT4+C2HVM1p6TVqMJ892:zhOmTsF93UYfwC6GIoutiTU2HVS6cMJT
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource virussign.com_ef8dcdb2b195bc9423142cfc94d91630.vir
Files
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virussign.com_ef8dcdb2b195bc9423142cfc94d91630.vir.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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: - Virtual size: 104KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 40KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE