umbral | Celestial[.]exe

General

Target
Celestial.exe
Size 251KB
Sample231010-2arccafc7t
SHA256 ed702d0b8e9551446f6ffa0363286712615e10bfdfe66d039bfc9db861f6ab19
MD5 bd135af56e98782a34081767be973f13
SHA1 8e60cf769dba53a1465e55831062729bedfbb146
SHA512 2c4611886912e354d823fb740dd0372ac6c2ca80235e5d37b5a37efda75c2deceba8a395e3a402dcc614014bf68518e14683cac57baa8abb330fe71e9e36ea2f
SSDEEP 6144:IloZMLrIkd8g+EtXHkv/iD4vxBomkrHMe9YW3X2B+b8e1mhbUiIQFceQx:WoZ0L+EP8vxBomkrHMe9YW3X2gWbd0e+
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

umbral

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1156697468130566204/OcFf7sKoPqxghTUxcBK46PBL-GzDZUJRuqDmNaCntSaSl1CHU1wYua0VjQTrbVlv7dNS

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
sample	family_umbral

Umbral family
umbral

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Celestial.exe

File Explorer

Celestial.exe

.exe 251KB

Celestial.exe

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 ed702d0b8e9551446f6ffa0363286712615e10bfdfe66d039bfc9db861f6ab19
MD5 bd135af56e98782a34081767be973f13
SHA1 8e60cf769dba53a1465e55831062729bedfbb146
SHA512 2c4611886912e354d823fb740dd0372ac6c2ca80235e5d37b5a37efda75c2deceba8a395e3a402dcc614014bf68518e14683cac57baa8abb330fe71e9e36ea2f
SSDEEP 6144:IloZMLrIkd8g+EtXHkv/iD4vxBomkrHMe9YW3X2B+b8e1mhbUiIQFceQx:WoZ0L+EP8vxBomkrHMe9YW3X2gWbd0e+
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86

Detect Umbral payload
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

0

Major OS version

4

Entry point

238046

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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

PDB paths

Sharing