2024-04-29_622ba833ff557c24ff7e91c8e5c055f4_ryuk | Triage

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General

Target

2024-04-29_622ba833ff557c24ff7e91c8e5c055f4_ryuk
Size

3.5MB
MD5

622ba833ff557c24ff7e91c8e5c055f4
SHA1

6bf6d1cc100fb5d876b07b0b3744fdb08e0021da
SHA256

336a0c94469dfe2b21b4caaafd62a5c1e098189785fdba5690945102da87b3be
SHA512

d18aa3527a81c3b64b3fc97bbccc553d5b25eb5034b4703902e34c584420072d572adf1353f73272ada6015ecb5312387ec58228b8cfb2fc54b829e29169d778
SSDEEP

49152:nVZsjtOVIgek+ZV7uNRXNxWn1d3So72nMbzSFHyhKPgssSt2gmT:VZ48ek+34R9xWnh7DSkhv7St

Score

10^/10

Malware Config

Signatures

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
sample	UPX

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-29_622ba833ff557c24ff7e91c8e5c055f4_ryuk

Files

2024-04-29_622ba833ff557c24ff7e91c8e5c055f4_ryuk
.exe windows:6 windows x64 arch:x64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

F:\Office\Target\x64\ship\postc2r\x-none\msohtmed.pdb

Sections

.text
Size: 58KB - Virtual size: 57KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.c2r
Size: 512B - Virtual size: 276B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 436B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ