Behavioral task
behavioral1
Sample
Saransk.exe
Resource
win7-20231129-en
General
-
Target
Saransk.exe
-
Size
229KB
-
MD5
2280a102c1f09f71322017ce524b6660
-
SHA1
8170de1bbde70f1c89a447caf95f8e7897ca2dcd
-
SHA256
4481b5d3ba129725c46aa14c9366b0dbd0bc1adac7f82e5de7fd8b323454ea39
-
SHA512
17969475dfa5bcfc2aff4b53c135ed8422b6990c6c5f43405e669a018b1932fe4cf20f74f78d26560475393c374963f54b53cce26f490bf56d45a359a487b08f
-
SSDEEP
6144:lloZM9rIkd8g+EtXHkv/iD4P2cYecjfUv1gevPes0b8e1myTi:noZOL+EP8P2cYecjfUv1gevPehX+
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1232671600818651158/lw9g8IHaTPdHfrfTGeOJLoRawDrtkUwYQk2PYzT__EF7GcK2eFYHBq3cpY2pbdDt8Wtu
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
Password: 123
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