General
-
Target
1235.exe
-
Size
228KB
-
MD5
82a22b60e4a5e4077b18fba2ee9b8f68
-
SHA1
83e24baf92b4aa460cddc4314565b551f7a066a8
-
SHA256
b0f79191d92362d4360f008da24196a5f36f2afa311180f6140e979242af4760
-
SHA512
6d7d0805dcd04f2498a65e2948aa6a67e775a1ba21f34dfec1e0bb231d52a571641fbdbc4fafb35393fb942013c708a5a090394d87a564d42ae941a18fe489c9
-
SSDEEP
6144:BloZM9rIkd8g+EtXHkv/iD4ycCNKInDA+ZMK7bC+Zb8e1m1i:zoZOL+EP8ycCNKInDA+ZMK7bCGj
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1337483595132178554/VqRReIUsmaQ6Yfp34ws4Kz6LBFw4bro10KY-ATA5gP2h7JtTqj6roRaLkntlLw91KcFf
Signatures
-
Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 1235.exe
Files
-
1235.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: 225KB - Virtual size: 225KB
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