Behavioral task
behavioral1
Sample
ZagreuS Decryptor.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
ZagreuS Decryptor.exe
Resource
win10v2004-20241007-en
General
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Target
ZagreuS Decryptor.exe
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Size
400KB
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MD5
d663f543088412766bf715949784ad88
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SHA1
a35f4737cc94ddc534280b948015a1a93ab2fa92
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SHA256
35bdc413a651b9fbfac9ad86a112c55a07f0fcfc3f698eb03f26154ad9b5ee1e
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SHA512
6e9a17a0716645bff38be6284efb6e857f2e8c2df01e3f92d783d8c71f522da1c9af87821ca3c78810f2c2927d3a22361ccfa1d2ae8a6fb48f83dfb67cf2eda3
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SSDEEP
6144:k9/hTCcfUZrSecumlgSW6gXwQfLdBJjQ2wrVYijlFPmM8xx5YlX3M:whWcfr/W6gXwsLdBJj2rVYijlFPex+BM
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 ZagreuS Decryptor.exe
Files
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ZagreuS Decryptor.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