dcrat | portperf[.]exe | Triage

Sharing

General

Target

portperf.exe
Size

829KB
MD5

a054982f7e12c1f491eccd25d9c1b5d7
SHA1

b3c78b1c7c8a95486db06e39f56910d0f3e90996
SHA256

4b6302643800dafe4629960e243ba26663f8510c42f4eaf656b1cc510406e408
SHA512

d57be5af22f21e7c20d330f5714ddcf1936152e3d9bd2254c1a2c83f420bfe183ae204c871b1ce2d8f5361a1661afbe39a9b5bec12fb00195a8c0b967977a925
SSDEEP

24576:b3eblFYt2e9esxtDyVjD7D1NauFd3YP+ow7:b2rejxtDydhc

Score

10^/10

rat dcrat

Malware Config

Signatures

DCRat payload 1 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

resource	yara_rule
sample	dcrat

Dcrat family
dcrat

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
portperf.exe

Files

portperf.exe
.exe windows:4 windows x86 arch:x86

f34d5f2d4577ed6d9ceec516c1f5a744

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

mscoree

_CorExeMain

Sections

.text
Size: 814KB - Virtual size: 814KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.sdata
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 536B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ