Behavioral task
behavioral1
Sample
2.exe
Resource
win10ltsc2021-20241211-en
General
-
Target
2.exe
-
Size
228KB
-
MD5
22c66a144f89f219d9f7bef81578dd48
-
SHA1
ad7235aadd9583fd423a5f36a5c65a6213d23fff
-
SHA256
9c1f1a7105e258fc4b5df94ba02bd41ddbe55bc82c88cd718fa5b2fac5969f00
-
SHA512
78316d05a92f3c4d9be0f18d1bbc86529961917d83cb00de36a396e96b2357564e354e9cfdc364f08d7e96bdd8602296e6df6eb0d2ea21029c7a45e116edb7a0
-
SSDEEP
6144:uloZMmrIkd8g+EtXHkv/iD4k5MTaL7j8e1myi:4oZ1L+EP8+LPW
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1322057974423879721/ppnP8pHnxtdpRKXhmSvr5P5fSuReYWB-wOyejU-UoO8N-THaRLkzhWKfqcTncT10ncbf
Signatures
-
Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2.exe
Files
-
2.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