Behavioral task
behavioral1
Sample
WebAPI.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
WebAPI.exe
Resource
win10v2004-20231215-en
General
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Target
WebAPI.exe
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Size
185KB
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MD5
5f5369584411d73496f9d2d2cd924349
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SHA1
4e2a15267fb9985ce46d4332a61e64c5f6e69ccc
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SHA256
4540c93037019fe28d25b156d949ec678316134059bfa872e2338c00fa7d7085
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SHA512
a641131ee8e194f215ddaecd7fe50e9dabba6affb17185292db4c1edcde4c4489e6b2a63fe8b46c968cecae83b8581629648ae9212998146b671f8cdbd24cb5d
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SSDEEP
3072:sr85CvxacPEMk65RQAwTW5E8vbzyQ6Y1YXrbNK+3FX:k9PFRQLTWCszAXNK+3FX
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 WebAPI.exe
Files
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WebAPI.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