Behavioral task
behavioral1
Sample
virussign.com_d90f069658f3fe6894127a478b1d5290.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
virussign.com_d90f069658f3fe6894127a478b1d5290.exe
Resource
win10v2004-20240426-en
General
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Target
virussign.com_d90f069658f3fe6894127a478b1d5290.vir
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Size
2.0MB
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MD5
d90f069658f3fe6894127a478b1d5290
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SHA1
2659e905ed03e2dcb2a9e5e86b58661d0cff4329
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SHA256
3b2c0d49d703f1813ba4e3be74e36a8e0e613cbb524fc78133a47663194e629a
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SHA512
3cf625278b73bd9773e4cdb98d1e49ce1f520f569a650aac4319546a7ed257401a5335533b0dd301fe9482ac28ae6ab842f85b62b794ffe1d59293aa65f5ad45
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SSDEEP
49152:j+DgUdbjfM/fB5Uadl5ieRWfMREp2RAxfWDcvf:j+DXdbjQfTU0MTMR88A12cX
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource virussign.com_d90f069658f3fe6894127a478b1d5290.vir
Files
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virussign.com_d90f069658f3fe6894127a478b1d5290.vir.exe windows:4 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NO_ISOLATION
IMAGE_DLLCHARACTERISTICS_NO_SEH
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: - Virtual size: 68KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 36KB - Virtual size: 36KB
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
.ktlju Size: 512B - Virtual size: 4KB
.wu Size: 512B - Virtual size: 4KB
.data Size: 512B - Virtual size: 4KB
.nbd Size: 512B - Virtual size: 4KB
.text Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rdata Size: 3KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.idata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.rdata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ