Behavioral task
behavioral1
Sample
virussign.com_b1feb82f785ec1643fdfc67e3fa22710.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
virussign.com_b1feb82f785ec1643fdfc67e3fa22710.exe
Resource
win10v2004-20240508-en
General
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Target
virussign.com_b1feb82f785ec1643fdfc67e3fa22710.vir
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Size
240KB
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MD5
b1feb82f785ec1643fdfc67e3fa22710
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SHA1
5c9224d67d6a314802c8233fda9afaba9fbe87a4
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SHA256
d7e0a24b8613664bc6927beefa3538ac25733bc46d85c4f23e2f09a221522a1e
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SHA512
3aca86ecf60fe2ff23b5b4f32e98c7deead6bb130134385b509d888e4e1b373f23f93fef11992d7ab8068094518eac1d723ee2aaee0aad25408b7c0a66bd5a9b
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SSDEEP
6144:KQSo1EZGtKgZGtK/CAIuZAIu1n9n/drF9:KQtyZGtKgZGtK/CAIuZAIuXdR9
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource virussign.com_b1feb82f785ec1643fdfc67e3fa22710.vir unpack001/out.upx
Files
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virussign.com_b1feb82f785ec1643fdfc67e3fa22710.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