Behavioral task
behavioral1
Sample
ogasda.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
ogasda.exe
Resource
win10v2004-20240802-en
General
-
Target
ogasda.exe
-
Size
229KB
-
MD5
33a10c04946e6aebc438b7cba8b42140
-
SHA1
f4b94c6914cabde06072676547af27d1864373e6
-
SHA256
f2ee9f8cda21c09cf9351463d0cc4dbe1d11ae8dadd8ebfc160ac436d186265e
-
SHA512
39d288585b07eb81d82ba4f7b475782223b141804e2d1d5c2dae3077f6b7cb2f7778b36e1aa77388ac60fd9a6998b70fe5e99ff302dc23f5ca10c8c373212f1a
-
SSDEEP
6144:lloZMCrIkd8g+EtXHkv/iD4ZeBZAmB5Kh/Cwhl0YSb8e1m6oOUi:noZZL+EP8ZeBZAmB5Kh/Cwhl0H9
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1269231535564001326/-DNI1DVGwiK_7lLyYmcI6Sv3019WqD3npLPhCO2Tq59p_TFJXb7iYY74NuLR9AOskph3
Signatures
-
Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource ogasda.exe
Files
-
ogasda.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: 227KB - Virtual size: 226KB
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