2024-04-17_4cc9a6a9887c0d709a3f136a1358b994_ryuk

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General

Target

2024-04-17_4cc9a6a9887c0d709a3f136a1358b994_ryuk
Size

12.9MB
MD5

4cc9a6a9887c0d709a3f136a1358b994
SHA1

682776ad79385ffd13015065411e8447494cb89c
SHA256

40dec78ac171fe03481719e8fffd30199059e8a4f69b8601610a6ffb57dc4775
SHA512

e8543a3fc86127407f5b033519ed38e6deb70f8226853cfae967fdc281f87fdeb4b07f3e56c24e1de544b5ae73e09563b098d03d298c6e23c90c76554b04b133
SSDEEP

98304:t+sSuJzc8ezVH8Bg01uD4oFiOoqifU8LJQC1E1:ttnJzc8mVH8RAZFiOD8LJK

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
2024-04-17_4cc9a6a9887c0d709a3f136a1358b994_ryuk

Files

2024-04-17_4cc9a6a9887c0d709a3f136a1358b994_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: 10.2MB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.enigma2
Size: 720KB - Virtual size: 720KB

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: 10.2MB - Virtual size: 4KB

.enigma2 Size: 720KB - Virtual size: 720KB

.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: 10.2MB - Virtual size: 4KB

.enigma2
Size: 720KB - Virtual size: 720KB