Behavioral task
behavioral1
Sample
Fast.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
Fast.exe
Resource
win10v2004-20230703-en
General
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Target
d84ba6fb3ad59a1a983fa35edca9882763ef28e15f18cdbeecef52d638b24f8a
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Size
450KB
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MD5
e0c7649fd233a5af59d991fe134c5c49
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SHA1
e1d706e448dd3148311007391ab204cc614af369
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SHA256
d84ba6fb3ad59a1a983fa35edca9882763ef28e15f18cdbeecef52d638b24f8a
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SHA512
5733d00f3e097f7a11d5653c167d236cf523974e10a6053323d8594553f91bee6be38f2bfac675e022f17334b8da6bb6d294cc70a7e9df03b64bfcf8e4c1ad68
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SSDEEP
12288:URlDI9DXfJZ5lA/Cv5Ltg4pEgL2I3cCGVzn5LdwN5Eao2qkvhd5dC1mB:UDDIlfRlA/sP6RCGrZwNyao2hvhHgm
Malware Config
Signatures
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Detect Neshta payload 1 IoCs
Processes:
resource yara_rule static1/unpack001/Fast.exe family_neshta -
Neshta family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource unpack001/Fast.exe
Files
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d84ba6fb3ad59a1a983fa35edca9882763ef28e15f18cdbeecef52d638b24f8a.zip
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Fast.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: 615KB - Virtual size: 614KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 4KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 16B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 57B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 42KB - Virtual size: 42KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 168KB - Virtual size: 167KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ