Behavioral task
behavioral1
Sample
6b40f8ab9d7a269a01c533185c8de1e1ba7e2fbac46dc081fe83793aa3e998b7.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
6b40f8ab9d7a269a01c533185c8de1e1ba7e2fbac46dc081fe83793aa3e998b7.exe
Resource
win10v2004-20240226-en
General
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Target
6b40f8ab9d7a269a01c533185c8de1e1ba7e2fbac46dc081fe83793aa3e998b7.sample
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Size
202KB
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MD5
27a1922975907c1bbf87fb591a213d83
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SHA1
49d835da26f77fc11e6ecbd549703a89d105cefa
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SHA256
6b40f8ab9d7a269a01c533185c8de1e1ba7e2fbac46dc081fe83793aa3e998b7
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SHA512
748169e0d967ebaa246c44edc5d8ef9e4712adf07fcb4590d0b511c05c9f84bef3d9015a87c05b4f9d79f95a37373aef468b3f77ba4caa497871d4d256b9beae
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SSDEEP
3072:sr85CkACvkIF/o7t4PX5AvJ+juO4f4xm84m2+fD5RiXm5vQ:k9k5sIm7t4PyaEf4A84SfD5RiXmS
Malware Config
Signatures
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Detect Neshta payload 1 IoCs
resource yara_rule sample family_neshta -
Detects command variations typically used by ransomware 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_GENRansomware -
Neshta family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 6b40f8ab9d7a269a01c533185c8de1e1ba7e2fbac46dc081fe83793aa3e998b7.sample
Files
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6b40f8ab9d7a269a01c533185c8de1e1ba7e2fbac46dc081fe83793aa3e998b7.sample.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 29KB - Virtual size: 28KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 42KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 8B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ