Behavioral task
behavioral1
Sample
b1c8b0236f1abd2f4591e137f39b0464_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
b1c8b0236f1abd2f4591e137f39b0464_JC.exe
Resource
win10v2004-20230915-en
General
-
Target
b1c8b0236f1abd2f4591e137f39b0464_JC.exe
-
Size
3.8MB
-
MD5
b1c8b0236f1abd2f4591e137f39b0464
-
SHA1
4ad372a806c6affdafc385a6a6020db24d9e273d
-
SHA256
50f1f2039d192792e910273eaa9a1e62c54f4b0a592e5550633684ba59306b64
-
SHA512
5c6efa03f94e38d1c21b8ffcee53ae83508af7d8884cd11e86fe85b2a46cbdf0d4da1fb602318786d9381b80e3d957eb0e8280504ff4fb9c1baeb2af8adf564f
-
SSDEEP
98304:TZ4OBfKr9YvQkmJnYDhCekJQbdcHAq/6kK//+pYX:TZQr9Ppgnld8Aq/6TXwYX
Malware Config
Signatures
-
Detect Neshta payload 1 IoCs
resource yara_rule sample family_neshta -
Neshta family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource b1c8b0236f1abd2f4591e137f39b0464_JC.exe
Files
-
b1c8b0236f1abd2f4591e137f39b0464_JC.exe.exe windows:4 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