Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20231215-en
General
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Target
tmp
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Size
1.2MB
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MD5
a5c0f54434b8e6bd4754c46de0649053
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SHA1
855550d2a41f6dcddfd6304f5a229a1cd89790a8
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SHA256
7e2e88742bb8d570bba40d5642b4b2bb3e9eb7cfcc12f58e820e409de4217193
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SHA512
92c5b996661d71789a1bbcc467a0f4f0282967d82d494205bc407278ccb20aff93c4dab469de4ff12756f1eb10e7933a142d0ddfb4be4b54f0bdb12ba54dec66
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SSDEEP
12288:ajo+k8XEY+wsQfEEsODPQGX2YjiQ/kjwm1g1NIyL2rn65hY6AIHWiOdC+KoZxBtW:+oqXt+nQfE2D/E31gbIaQn652oOdVB1y
Malware Config
Signatures
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Detect Neshta payload 1 IoCs
resource yara_rule sample family_neshta -
Neshta family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource tmp
Files
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tmp.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