stormkitty | builder - Copy[.]zip

Resubmissions

18-02-2025 20:39

250218-zfgnzsyma1 10

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General

Target

builder - Copy.zip
Size

327KB
MD5

d12b5e91eb03e83dcf8f7678329ff85a
SHA1

8003bc7d482a838ef87667273d197e2c8ab77e78
SHA256

42c98e8a72be5aaa67a675393d8e6a8702017de6154307a6dc3950f8dee992ff
SHA512

6dbc6af500167e5056ef13c9462f80579e69f05b836491eaa853e1b0179859fe9d67b03d8ff180ad83f11c49a596937a3525044bcea7da7846a318fb66ba80da
SSDEEP

6144:whAypyfJYXIAML+hq5Y++ehxaiY/nFEgsk7Tve0i25IAVvL5x:bycYC2++ehIf6k7TvZ5Nx

Score

10^/10

stormkitty

Malware Config

Signatures

StormKitty payload 3 IoCs

resource	yara_rule
static1/unpack001/builder - Copy/builder/StormKittyBuilder.exe	family_stormkitty
static1/unpack001/builder - Copy/builder/build.exe	family_stormkitty
static1/unpack001/builder - Copy/builder/stub.exe	family_stormkitty

Stormkitty family
stormkitty

Unsigned PE 7 IoCs

Checks for missing Authenticode signature.

resource
unpack001/builder - Copy/builder/Mono.Cecil.Mdb.dll
unpack001/builder - Copy/builder/Mono.Cecil.Pdb.dll
unpack001/builder - Copy/builder/Mono.Cecil.Rocks.dll
unpack001/builder - Copy/builder/Mono.Cecil.dll
unpack001/builder - Copy/builder/StormKittyBuilder.exe
unpack001/builder - Copy/builder/build.exe
unpack001/builder - Copy/builder/stub.exe

Files

builder - Copy.zip
.zip
builder - Copy/builder/Mono.Cecil.Mdb.dll
.dll windows:4 windows x86 arch:x86

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

C:\sources\cecil\symbols\mdb\obj\Release\net40\Mono.Cecil.Mdb.pdb

Imports

mscoree

_CorDllMain

Sections

.text
Size: 40KB - Virtual size: 39KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 864B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
builder - Copy/builder/Mono.Cecil.Pdb.dll
.dll windows:4 windows x86 arch:x86

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

C:\sources\cecil\symbols\pdb\obj\Release\net40\Mono.Cecil.Pdb.pdb

Imports

mscoree

_CorDllMain

Sections

.text
Size: 85KB - Virtual size: 84KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 864B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
builder - Copy/builder/Mono.Cecil.Rocks.dll
.dll windows:4 windows x86 arch:x86

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

C:\sources\cecil\rocks\obj\Release\net40\Mono.Cecil.Rocks.pdb

Imports

mscoree

_CorDllMain

Sections

.text
Size: 25KB - Virtual size: 24KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 876B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
builder - Copy/builder/Mono.Cecil.dll
.dll windows:4 windows x86 arch:x86

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

C:\sources\cecil\obj\Release\net40\Mono.Cecil.pdb

Imports

mscoree

_CorDllMain

Sections

.text
Size: 335KB - Virtual size: 334KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 840B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
builder - Copy/builder/StormKittyBuilder.exe
.exe windows:4 windows x64 arch:x64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

C:\Users\Lenovo\Downloads\StormKitty-1.1\StormKitty-1.1\StormKitty\builder\StormKittyBuilder\obj\x64\Release\StormKittyBuilder.pdb

Sections

.text
Size: 15KB - Virtual size: 15KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
builder - Copy/builder/build.exe
.exe windows:4 windows x64 arch:x64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

.text
Size: 104KB - Virtual size: 104KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 880B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
builder - Copy/builder/stub.exe
.exe windows:4 windows x64 arch:x64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

C:\Users\Lenovo\Downloads\StormKitty-1.1\StormKitty-1.1\StormKitty\stub\Neko\obj\x64\Release\StormKitty.pdb

Sections

.text
Size: 105KB - Virtual size: 105KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 880B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mscoree

Sections

.text Size: 40KB - Virtual size: 39KB

.rsrc Size: 1024B - Virtual size: 864B

.reloc Size: 512B - Virtual size: 12B

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mscoree

Sections

.text Size: 85KB - Virtual size: 84KB

.rsrc Size: 1024B - Virtual size: 864B

.reloc Size: 512B - Virtual size: 12B

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mscoree

Sections

.text Size: 25KB - Virtual size: 24KB

.rsrc Size: 1024B - Virtual size: 876B

.reloc Size: 512B - Virtual size: 12B

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mscoree

Sections

.text Size: 335KB - Virtual size: 334KB

.rsrc Size: 1024B - Virtual size: 840B

.reloc Size: 512B - Virtual size: 12B

Headers

DLL Characteristics

File Characteristics

PDB Paths

Sections

.text Size: 15KB - Virtual size: 15KB

.rsrc Size: 1KB - Virtual size: 1KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 104KB - Virtual size: 104KB

.rsrc Size: 1024B - Virtual size: 880B

Headers

DLL Characteristics

File Characteristics

PDB Paths

Sections

.text Size: 105KB - Virtual size: 105KB

.rsrc Size: 1024B - Virtual size: 880B

.text
Size: 40KB - Virtual size: 39KB

.rsrc
Size: 1024B - Virtual size: 864B

.reloc
Size: 512B - Virtual size: 12B

.text
Size: 85KB - Virtual size: 84KB

.rsrc
Size: 1024B - Virtual size: 864B

.reloc
Size: 512B - Virtual size: 12B

.text
Size: 25KB - Virtual size: 24KB

.rsrc
Size: 1024B - Virtual size: 876B

.reloc
Size: 512B - Virtual size: 12B

.text
Size: 335KB - Virtual size: 334KB

.rsrc
Size: 1024B - Virtual size: 840B

.reloc
Size: 512B - Virtual size: 12B

.text
Size: 15KB - Virtual size: 15KB

.rsrc
Size: 1KB - Virtual size: 1KB

.text
Size: 104KB - Virtual size: 104KB

.rsrc
Size: 1024B - Virtual size: 880B

.text
Size: 105KB - Virtual size: 105KB

.rsrc
Size: 1024B - Virtual size: 880B