2024-04-26_4dc9d2b5d1c887dab72ada95507d3555_ryuk | Triage

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General

Target

2024-04-26_4dc9d2b5d1c887dab72ada95507d3555_ryuk
Size

5.2MB
MD5

4dc9d2b5d1c887dab72ada95507d3555
SHA1

6362322078b1f66b4b1589bbfa7a86dc4908cd99
SHA256

fc609993d1a8bb2b717ebe81acf6eb0784296eb9f53d52f0d98fec186cbb1e27
SHA512

cc1ef7782618e369f28c8b44c6a7d81f4d2c724c9a75f6cd90cd263804e4af89ab20d505fbd818b6231e317e31e0958eed065271090374dc24b9db9b60cebc12
SSDEEP

98304:VZ48ek+34R9xWnh7DSUWvsgzhNDmRqnstLE9Ii6stJu:VZpeka4Tonh7DS/zzSRqnhlvu

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
2024-04-26_4dc9d2b5d1c887dab72ada95507d3555_ryuk

Files

2024-04-26_4dc9d2b5d1c887dab72ada95507d3555_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