surtr | 2025-03-06_6cdad16f8a5eb208c663826c05a91f9e_ryuk

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General

Target
2025-03-06_6cdad16f8a5eb208c663826c05a91f9e_ryuk
Size 1.3MB
Sample250306-cn3j4awly4
SHA256 6670d6d2814adb7993641d6c9c334e3a5f53b9b68b8c22ca63daf4f9aa53536b
MD5 6cdad16f8a5eb208c663826c05a91f9e
SHA1 2716c41307158cccfe32fbeef82cc9c6247ad5ca
SHA512 a6e23578af024b21e4d373ccbe6dbf8426c441e88f4f2f124254438b3d8d63fa8ad23766492f915b93043c7e7e649da74e292b54f3d1b520a6dfb107887a00cf
SSDEEP 24576:rdtwbXPGBkNXi/Z479uN0/XuNRMLDy5VURkmqpK1Oshy1ZT2rpo3NahUXz+xRE3J:rxLyEuPFvN/w
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

surtr

Malware Config

Signatures

Detects Surtr Payload 1 IoCs

resource	yara_rule
sample	family_surtr

Surtr family
surtr

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2025-03-06_6cdad16f8a5eb208c663826c05a91f9e_ryuk

File Explorer

2025-03-06_6cdad16f8a5eb208c663826c05a91f9e_ryuk

.exe 1.3MB

2025-03-06_6cdad16f8a5eb208c663826c05a91f9e_ryuk

SHA256 6670d6d2814adb7993641d6c9c334e3a5f53b9b68b8c22ca63daf4f9aa53536b
MD5 6cdad16f8a5eb208c663826c05a91f9e
SHA1 2716c41307158cccfe32fbeef82cc9c6247ad5ca
SHA512 a6e23578af024b21e4d373ccbe6dbf8426c441e88f4f2f124254438b3d8d63fa8ad23766492f915b93043c7e7e649da74e292b54f3d1b520a6dfb107887a00cf
SSDEEP 24576:rdtwbXPGBkNXi/Z479uN0/XuNRMLDy5VURkmqpK1Oshy1ZT2rpo3NahUXz+xRE3J:rxLyEuPFvN/w
MD5 SHA1 SHA512 SSDEEP

windows:5 windows x64 arch:x64

Detects Surtr Payload
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

963180

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

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

Name

.text

Size

1.1MB

Virtual Size

1.1MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

147KB

Virtual Size

147KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

9KB

Virtual Size

26KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

18KB

Virtual Size

17KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.gfids

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

512B

Virtual Size

480B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

3KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2025-03-06_6cdad16f8a5eb208c663826c05a91f9e_ryuk

generic