Behavioral task
behavioral1
Sample
sample.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
sample.exe
Resource
win10v2004-20240426-en
General
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Target
04sample.zip
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Size
4.4MB
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MD5
882ffdf63e2d91043a9824818e729b0d
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SHA1
cd9c822e0d61aad1b70797569d9f4c906d32bbc0
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SHA256
b27b9d7337f3face7c17198879179b5d6ca0bfbf1e4270aaf27ae148366f6aea
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SHA512
f1b47976e20c06b8d436a6c4ac8e48fbd41e492563ed255a7e7d5e08fa1fe308b094ac517af27db9e9bcaa417ec8eb6ab7ecc96c0e72b67f7806950fdfbaf902
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SSDEEP
98304:Q+YqjuUlz6I0pjCTuzM66nrBnzY5NhpBLx4f1DjIk4HFLI5Aqr4:Eqyu63HB6nO57pBCf1vpKFsAb
Malware Config
Signatures
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Detect Neshta payload 1 IoCs
resource yara_rule static1/unpack001/sample.exe family_neshta -
Neshta family
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Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
resource yara_rule static1/unpack001/sample.exe agile_net -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/sample.exe
Files
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04sample.zip.zip
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sample.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