xworm | a[.]bin | Triage

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General

Target

a.bin
Size

85KB
MD5

1b18c754c9cccfb1be40b725a7cf9b3e
SHA1

2b4bd57ef4d23021ee452b408dcc032aa7f78f07
SHA256

dc56aba24508d371ada577ba9af39be2919fd45e94ae04edc43c5c142c2524a9
SHA512

73bb18727104a5acfc33e0589c0dcacb046715adbdccbf4e77e79949405cf000cd238fa42c3abe938ee15403c75fb0c71cca8af1e9015db4ca92e9cfcd89ff59
SSDEEP

1536:RMsm3cAb7bYYxrMt2VpF4ygh/FbIEld5sXd/a6+WeOWOWgT+45mIB:G3vbHYYxrMt2VTz2bIa54aWeOWOFTd5Z

Score

10^/10

xworm

Malware Config

Extracted

Family

xworm

C2

bulletingmarrano-45523.portmap.host:45523

Attributes

Install_directory
%AppData%
install_file
RuntimeBroker.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
sample	family_xworm

Xworm family
xworm

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
a.bin

Files

a.bin
.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_32BIT_MACHINE

Imports

mscoree

_CorExeMain

Sections

.text
Size: 83KB - Virtual size: 82KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

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