Static task
static1
Behavioral task
behavioral1
Sample
2024-03-10_55f12fc8e559bc3c1f267817887c86ee_cobalt-strike_ryuk.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-10_55f12fc8e559bc3c1f267817887c86ee_cobalt-strike_ryuk.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-10_55f12fc8e559bc3c1f267817887c86ee_cobalt-strike_ryuk
-
Size
413KB
-
MD5
55f12fc8e559bc3c1f267817887c86ee
-
SHA1
6330fdf94c96e4fa30f1ced885d3be704a1c665c
-
SHA256
14a027e6f236a16bf2fac780b3c03b79b1eb0e417051813a14152d19bb804f8f
-
SHA512
8c12b384569f6d0532b286d10fdabbe95ccc4d322f1b96d5a610b8e7252bee780a154968b8b1f8f6801e0da00d67824553ff295c782e0dc04749a0a24aa54a35
-
SSDEEP
6144:cT4Dpw0gPttR14nIY0KAyEIgrN3h08zHgSKrVmQPL9TBKvLS:cTvNV+nUNIg5h08gJmKL9TYvLS
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-10_55f12fc8e559bc3c1f267817887c86ee_cobalt-strike_ryuk
Files
-
2024-03-10_55f12fc8e559bc3c1f267817887c86ee_cobalt-strike_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
Sections
.text Size: 768KB - Virtual size: 768KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 131KB - Virtual size: 131KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 37KB - Virtual size: 69KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 27KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.00cfg Size: 512B - Virtual size: 40B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gxfg Size: 10KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.retplne Size: 512B - Virtual size: 92B
.tls Size: 512B - Virtual size: 297B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.voltbl Size: 512B - Virtual size: 68B
_RDATA Size: 512B - Virtual size: 244B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ