2024-04-30_f4173e697dbe6941c6043e3aee220afd_ryuk

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General

Target

2024-04-30_f4173e697dbe6941c6043e3aee220afd_ryuk
Size

3.0MB
MD5

f4173e697dbe6941c6043e3aee220afd
SHA1

ffe32c6e2be37e61aa0996f7bf86702963f941e8
SHA256

e7e3719f7de50f9ac45d5bdf1cb90182e7d44be5e555111df94cf1cfe39bdfc9
SHA512

2f9039ba22b96aeb7767aa45fda7a67ab98cd812be4a71d0269fe6c596eabd323baff22a03e8d71e1e7519797a41e0c3983e3bc86bdabfb951d5b98202fc1edb
SSDEEP

49152:sMKeLJ95d90stngnOIoYcGfXZRcu+CsT1mT5MBmnkUe8L:g+sSuJxe3Ue

Score

10^/10

Malware Config

Signatures

Detects executables packed with Enigma 1 IoCs

resource	yara_rule
sample	INDICATOR_EXE_Packed_Enigma

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-30_f4173e697dbe6941c6043e3aee220afd_ryuk

Files

2024-04-30_f4173e697dbe6941c6043e3aee220afd_ryuk
.exe windows:5 windows x64 arch:x64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

nw.exe.pdb

Exports

Exports

GetHandleVerifier
IsSandboxedProcess

Sections

.text
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 298KB - Virtual size: 298KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 14KB - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 53KB - Virtual size: 52KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

.tls
Size: 512B - Virtual size: 25B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

CPADinfo
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 314KB - Virtual size: 313KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.enigma1
Size: 236KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.enigma2
Size: 744KB - Virtual size: 744KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

Headers

DLL Characteristics

File Characteristics

PDB Paths

Exports

Exports

Sections

.text Size: 1.4MB - Virtual size: 1.4MB

.rdata Size: 298KB - Virtual size: 298KB

.data Size: 14KB - Virtual size: 37KB

.pdata Size: 53KB - Virtual size: 52KB

.00cfg Size: 512B - Virtual size: 16B

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

.tls Size: 512B - Virtual size: 25B

CPADinfo Size: 512B - Virtual size: 56B

.rsrc Size: 314KB - Virtual size: 313KB

.reloc Size: 9KB - Virtual size: 8KB

.enigma1 Size: 236KB - Virtual size: 4KB

.enigma2 Size: 744KB - Virtual size: 744KB

.text
Size: 1.4MB - Virtual size: 1.4MB

.rdata
Size: 298KB - Virtual size: 298KB

.data
Size: 14KB - Virtual size: 37KB

.pdata
Size: 53KB - Virtual size: 52KB

.00cfg
Size: 512B - Virtual size: 16B

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

.tls
Size: 512B - Virtual size: 25B

CPADinfo
Size: 512B - Virtual size: 56B

.rsrc
Size: 314KB - Virtual size: 313KB

.reloc
Size: 9KB - Virtual size: 8KB

.enigma1
Size: 236KB - Virtual size: 4KB

.enigma2
Size: 744KB - Virtual size: 744KB