General
-
Target
BLUME RUST.exe
-
Size
227KB
-
MD5
de788e456ceac91e1dd1a2ed01d332cc
-
SHA1
d0a59e876e3781b70379127425612c9cb1a99436
-
SHA256
559a3d56b0318e3e66e68e92079a8fd4f04adb5c6c3899d06b4ad66cccc19cdd
-
SHA512
41daddd8548376e9c6f161c113c7a7721b2c683aa361dcfb4341906e45f78ec053242fb2a221b622e229c4967f04c04d7a4e3436cc4fddf2054db3e9907d2b6a
-
SSDEEP
6144:eloZM+rIkd8g+EtXHkv/iD4cwuciAfboNxUyzzqlUob8e1mKi:IoZtL+EP8cwuciAfboNxUyzzqVE
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1292064398843838465/uJLm49C967pwghATBRrp1VCPK6X15QMecuGHwZJ0OUcg9AHlMguTUK5KDhrrkGJmQDiv
Signatures
-
Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource BLUME RUST.exe
Files
-
BLUME RUST.exe.exe windows:4 windows x86 arch:x86
Password: asd
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