General
-
Target
Saransk.exe
-
Size
231KB
-
MD5
acca3f3236c113ab4c20d8697eeaeaca
-
SHA1
c921b69ba68786a49ed6c7ec92dac8f42700275c
-
SHA256
75f18abe6b6d94ca03e91c6eddbfaee49827e731ba78e62f4f47e890fb9dbe53
-
SHA512
787a595f745f26dcb569fe1f3beb0b90206d6bcc7e4d8a62b7e3fabf4f2435410621aec5d2b4327d357b2d3f240430974b592e23d0a247e9a082659ff6bdf39c
-
SSDEEP
6144:xloZM+rIkd8g+EtXHkv/iD4Ycpc4+ZRS63q459c2tb8e1mYoi:DoZtL+EP8Ycpc4+ZRS63q459cu/R
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1252168499489407067/Q1e6m53iIsS9AsIAU1dJzTmBY6KFX7wQjA-70SAwLfA3STehGFJ_2t0YbeTIwurNb8Gl
Signatures
-
Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Saransk.exe
Files
-
Saransk.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: 228KB - Virtual size: 228KB
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