Behavioral task
behavioral1
Sample
virussign.com_f3fb433643992f5349291c65fa8b9940.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
virussign.com_f3fb433643992f5349291c65fa8b9940.exe
Resource
win10v2004-20240426-en
General
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Target
virussign.com_f3fb433643992f5349291c65fa8b9940.vir
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Size
90KB
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MD5
f3fb433643992f5349291c65fa8b9940
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SHA1
ab46544ab8eecd567fe882dc992abd0b681e52cd
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SHA256
8f93a1789a69a36ef8c45597bd0b7d15d535474355dbbcebc29cdeccc22d18a9
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SHA512
961bf453f529b8faa0cc5626eec2b293d618c69c703aa730789b5607f1f87d2e7516412ef2ae9a06d4b34adca7f8df69cfcf1eb26c32b282914b7f67b41a4453
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
Malware Config
Signatures
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Processes:
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
Processes:
resource virussign.com_f3fb433643992f5349291c65fa8b9940.vir unpack001/out.upx
Files
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virussign.com_f3fb433643992f5349291c65fa8b9940.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: 236KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 86KB - Virtual size: 88KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 3KB - 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: 292KB - Virtual size: 291KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ