Behavioral task
behavioral1
Sample
REQUEST_.exe
Resource
win7-20230703-en
Behavioral task
behavioral2
Sample
REQUEST_.exe
Resource
win10v2004-20230703-en
General
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Target
SOLICITUD DE PRESUPUESTO(70KB).iso
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Size
1.4MB
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MD5
ee48031011a79a110c314c1c98ead285
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SHA1
65f27f964b14f1a47cb4fb9cd5e7377fff78a1eb
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SHA256
37408c9059163c6f28c340b275393eb3ff046639cd346383250d4d427c5ca6f5
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SHA512
e4409ee65499e680ab7ed2a72ca7e694c76e2360e2bccd96fe3d866c6cbd280369e8c7d5a9c30399b7c5d95800a50cea7a0dc51f6278313e81b6097b1081848b
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SSDEEP
12288:TLk70TnvjcJU26d4PjQGeEBO7QMPTzAwO7DiXH8EjLvQcVnHYe0ScK1h:Pk70TrcJUL/GeEBO7QMyDMHnvGBSp
Malware Config
Signatures
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Detect Neshta payload 2 IoCs
resource yara_rule sample family_neshta static1/unpack001/REQUEST_.EXE family_neshta -
Neshta family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/REQUEST_.EXE
Files
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SOLICITUD DE PRESUPUESTO(70KB).iso.iso
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REQUEST_.EXE.exe windows 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