Behavioral task
behavioral1
Sample
virussign.com_f4ff361d6bdf22fcd2611e079616cfe0.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
virussign.com_f4ff361d6bdf22fcd2611e079616cfe0.exe
Resource
win10v2004-20240508-en
General
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Target
virussign.com_f4ff361d6bdf22fcd2611e079616cfe0.vir
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Size
63KB
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MD5
f4ff361d6bdf22fcd2611e079616cfe0
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SHA1
7df8c638318d4fd76588a92761f3f03189bc208b
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SHA256
31b68ffa431f97edf36920910fce2a0b224f5a2477b1ddefc877ecd2220d18c2
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SHA512
8fa3528611b3ce706ba3dc110580de0c35689554bc93d18e14c41da9355ca30b6ec79676daf03a839470c1d21c4f8a8024c1ff7f0564f1ccd0eed54a8aec0017
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SSDEEP
768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFFG:CTWn1++PJHJXA/OsIZfzc3/Q8yiq
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource virussign.com_f4ff361d6bdf22fcd2611e079616cfe0.vir unpack001/out.upx
Files
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virussign.com_f4ff361d6bdf22fcd2611e079616cfe0.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
Sections
UPX0 Size: - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 4KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - 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 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: 8KB - Virtual size: 5KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 352B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ