Behavioral task
behavioral1
Sample
CorruptX1.3.exe
Resource
win7-20240903-en
General
-
Target
CorruptX1.3.exe
-
Size
495KB
-
MD5
c57206c732c6cfaa8a4de6495732c8de
-
SHA1
eb4127b4a20b05a3db766b3c953f0e12eb3070e9
-
SHA256
0465cfcd8ec390d5d4e321ca1609ee70be881b906754cb5e783201114d922fcf
-
SHA512
f1205d7c5daaa6b38ec121200875c8355857252ad4d474ce629c8584e73933e050e4f74c968617908044b9e819bc099dab8866e4f065acd4aa0b203001d1a6c9
-
SSDEEP
6144:vloZM+rIkd8g+EtXHkv/iD4cGiqU69VeGbGkFZw9Xb8e1mqe6i:NoZtL+EP8cGiqU69VeGbGkFZwBLS
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1330967717079027774/wuYhxj7H9hhyXmX2qS4ee6Vv2q083EOpuDjdT-c5pmHqDdHcGXzr2KPkcCg3Qzew2QWy
Signatures
-
Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource CorruptX1.3.exe
Files
-
CorruptX1.3.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 228KB - Virtual size: 228KB
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