neshta | Screamer[.]exe | Triage

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General

Target

Screamer.exe
Size

88KB
MD5

8db06db3366d01649ad9cb8394bb2c3d
SHA1

7c9ead39aa6b1bd0557ae9ce65f1b398cc6abb9a
SHA256

00d72c44db13083301639d910551e55241ee3d11ec93bd4178651bd78ef54c33
SHA512

893c703942e5989680f892af337ecfad5ca94aea38c272a3fde8533000a35ba0b7436a524f59831defd5f78ebd46bec92c4c6bbc2f1f7a88c658aa47587c15a1
SSDEEP

1536:JxqjQ+P04wsmJCdN/Gb6EAyVRYt/uF/bQf8b0VbKL5PnrbxVcnV51Q:sr85Cqb6EBVRYZMTnuK9PnZCnm

Score

10^/10

neshta

Malware Config

Signatures

Detect Neshta payload 1 IoCs

resource	yara_rule
sample	family_neshta

Neshta family
neshta

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Screamer.exe

Files

Screamer.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