General
-
Target
loader.exe
-
Size
254KB
-
MD5
ce298bde4b5d1231f937e3c434275dc0
-
SHA1
8dc7b79f0c7abd7c11fdddd6d102bcf5cf11e4f7
-
SHA256
36734bbdc99849c42ec7ee00791c0d62847c0e90e570433711c014bae6b69079
-
SHA512
79ea7640fb1abc8ad4d36a28cbb342fc0be563f9fc5fc9ad07dd5ca3cde24f5d5c4d1d2c09f0bfb6e8206cef6bff9ebfd626d020527ad8e7754afc1fc2f0ea1a
-
SSDEEP
6144:K4oZoAeVHPtHgTIAaZgCwDx7axHU0unC28ejI877:xoZyHPvWCwjXCsIa
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1256062934485045258/Q_bRzRUen92KeGVBFc6B5Dg9OremPYs3ocgIoMQC8M0kLh5sIrj8beRvj7lBOtwcwCDV
Signatures
-
Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource loader.exe
Files
-
loader.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: 251KB - Virtual size: 251KB
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