Behavioral task
behavioral1
Sample
fbef99cfebff61e55e4e068143becaab159985c397a9522e81c4b2e828c5ba0cN.exe
Resource
win7-20241023-en
General
-
Target
fbef99cfebff61e55e4e068143becaab159985c397a9522e81c4b2e828c5ba0cN.exe
-
Size
227KB
-
MD5
89f5085878a5723c112dc7d65e87f2d0
-
SHA1
e171c8ce7c69aae5b024a58c8e3827abbd22ad0a
-
SHA256
fbef99cfebff61e55e4e068143becaab159985c397a9522e81c4b2e828c5ba0c
-
SHA512
77ca815e2c7eb8de08c67c8eed663e1a2d4f541bf020a09380297d24ec5a4a3047909025420b2bb6480a570de9cc53e1ac7f79c341d937b5a43d312ede746017
-
SSDEEP
6144:eloZMBfsXtioRkts/cnnK6cMlFV1RIywvrYthkijD6frJR8eoy/i:IoZrtlRk83Mlv1RIywvrYthkijD6Cp
Malware Config
Extracted
umbral
https://discordapp.com/api/webhooks/1330562768184807524/rxDAbMSf0_m5rHqhNvYwhALkERyz3hX0ULP46Imw9VP5ql8yy2UqM3Eo9tg885cZEgxC
Signatures
-
Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource fbef99cfebff61e55e4e068143becaab159985c397a9522e81c4b2e828c5ba0cN.exe
Files
-
fbef99cfebff61e55e4e068143becaab159985c397a9522e81c4b2e828c5ba0cN.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: 224KB - Virtual size: 224KB
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