xworm | Precise+Bootstrapper[.]exe | Triage

Sharing

General

Target

Precise+Bootstrapper.exe
Size

63KB
MD5

bc75267d1724e87a2dadd522f2c7aa59
SHA1

aa1f9078d6a4adc88adde9227bd0a96b87a9b138
SHA256

56d443b3ff8d1a3d19800b9735d5a274ce2fa42178cea9b491112a51178a10f7
SHA512

531bb6a561c384d53dfafa5fd73891d129abda6b0bff69db934be95682c1f23599d5b4e037fbf52a3ae471b2d108ca470cbf36b2a1fb3ce7ec970cae9bbc9557
SSDEEP

1536:ECiJFH6GEOcEQyr5+b38+Zoo+dh96CyNkjOjFnl4LL:ET6O7Qyr5+b38aAcoOjzsL

Score

10^/10

xworm

Malware Config

Extracted

Family

xworm

C2

75.60.102.27:7000

Attributes

Install_directory
%AppData%
install_file
Fix.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
Precise+Bootstrapper.exe

Files

Precise+Bootstrapper.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_32BIT_MACHINE

Imports

mscoree

_CorExeMain

Sections

.text
Size: 60KB - Virtual size: 60KB

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