Behavioral task
behavioral1
Sample
ef3f0cfa747a1c73814d9316e0a76ba801c4dff1e68d136e3e600f2526dc6216.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ef3f0cfa747a1c73814d9316e0a76ba801c4dff1e68d136e3e600f2526dc6216.exe
Resource
win10v2004-20240226-en
General
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Target
ef3f0cfa747a1c73814d9316e0a76ba801c4dff1e68d136e3e600f2526dc6216.sample
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Size
179KB
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MD5
943d15146c81e09c4a252a10de19e58c
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SHA1
50d3ec68fd083f585ec3bad08d75bb9ede9a10c8
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SHA256
ef3f0cfa747a1c73814d9316e0a76ba801c4dff1e68d136e3e600f2526dc6216
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SHA512
bd2dc3e10548068fab801a1bccf78e42eccb47a265ec51afb1a5fed44b038dfa0e5531ab85641c2e291c244273544f6ca66455d3dd3d2db758b3b6e3eb284158
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SSDEEP
3072:sr85C1KqXd4ljqEJSfMKRuF2f0xsxT626L/GA3W3zRdFbvdlTga8za7/aApO6fCI:k95dUj1J+MKRaKPHAm3zRdFDppOaf
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 ef3f0cfa747a1c73814d9316e0a76ba801c4dff1e68d136e3e600f2526dc6216.sample
Files
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ef3f0cfa747a1c73814d9316e0a76ba801c4dff1e68d136e3e600f2526dc6216.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