neshta | putty[.]exe | Triage

Sharing

General

Target

putty.exe
Size

1.6MB
MD5

b15ed5517d17dc03b4391f34c81f9697
SHA1

cdf3c4713c01362b5cfaf9084fa4b1fcdacc2fbf
SHA256

9f96931855f7a2b61a6ba1f0bb14bd3c088c0c2d3a51da28b517569b5c305a57
SHA512

383a2197e0c59c8f8dee58e3b68e8bb4343b5c6c5a5039a9abc270d13262ebe003801aeadd792b3f62da8ca225e5776acd6ea0d14378a4b24a2d41b52d2150e8
SSDEEP

49152:p9tHfYoEaTSiz23THT3WSMpDgF/qB0Rj6KIeVSc/zuiXlL:d/LEQkF/qBk6K2c/iiXV

Score

10^/10

neshta

Malware Config

Signatures

Detect Neshta payload 1 IoCs

Processes:

resource	yara_rule
sample	family_neshta

Neshta family
neshta

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

Processes:

resource
putty.exe

Files

putty.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