Behavioral task
behavioral1
Sample
Neshta.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
Neshta.exe
Resource
win10v2004-20231215-en
General
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Target
Neshta.exe
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Size
719KB
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MD5
8474039d83805eb7b447325c3a8d1ebb
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SHA1
a07d537f4253745a087709a9a07c449f84deed8d
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SHA256
b2493a580153291b69ca23190d00a00b1220cd0aadf469b3974fdaa726516649
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SHA512
3272091bbf123ba5e1592e8b2bd7740cddcb174fa158bc6980b25ee61d92387e94a25284736253f83a6eea78b427f6717e888e843db9d7759cfe9a7676576438
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SSDEEP
12288:q4UOTYQivI2qZ7aSgLwkFVpzUvest4ZEbjJLuhJVoM7SPd:bRTYVQ2qZ7aSgLwuVfstRJL6YM6
Malware Config
Signatures
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Detect Neshta payload 1 IoCs
resource yara_rule sample family_neshta -
MedusaLocker payload 1 IoCs
resource yara_rule sample family_medusalocker -
Medusalocker family
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Neshta family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Neshta.exe
Files
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Neshta.exe.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