Behavioral task
behavioral1
Sample
Steam.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
Steam.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
Steam.exe
Resource
win11-20240426-en
General
-
Target
Steam.exe
-
Size
438KB
-
MD5
4b784bf857356251bccf184911e0e8d8
-
SHA1
5ef9015b62a62f4b2bff9a34fb5f3d1639a29937
-
SHA256
3c786fd8f95d6787bf27728c6aa5d58054c6e923445147229f95de18ac4bbacd
-
SHA512
73d2b89b3f9b83c18cc3fd270ef26a288625fc339acc29b0e806b57c185313bb7bfc084cddd8cb95449034bef8ac60481c6b150469eaf4ae2c09a1e9efa5f2da
-
SSDEEP
6144:YfjoMm6fbwY/D8TWrbTP/8+GIIIIIIIhIIIIIIIIIIIIIIIU:sfLheWzPX
Malware Config
Signatures
-
Detect Xworm Payload 1 IoCs
resource yara_rule sample family_xworm -
Xworm family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Steam.exe
Files
-
Steam.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: 171KB - Virtual size: 170KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 266KB - Virtual size: 265KB
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