Behavioral task
behavioral1
Sample
PhotonExternal.exe
Resource
win7-20241010-en
General
-
Target
PhotonExternal.exe
-
Size
448KB
-
MD5
114977c4b8e58661eca598e3e864ccea
-
SHA1
f4cd68a7a9f39252b3d9337f6d4bb1f2b2ba66fb
-
SHA256
de0b828a0c5a7de9ee5cb878bf53c26294106ba05d1cc1d09e34463c6bb37e45
-
SHA512
7e5730e53a6c3b9f444659f81ab582216f54ee36b2d6be59893cd93711ad2dbe125d00ca4107238324321e661a3783cf2b6de6c4f9469fad7677e7a2965bf988
-
SSDEEP
12288:7oZtL+EP8q6BoHdmOhWU9va6vAZQtPgkFDIknaHeELrvajxzp:FI8hBoHdmOhWU9va6vACNF5niecmxz
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1338552904809840722/hsyZwj-uzjCk5GrydtVTJEX9YMA707rvYu9a190S3lPA7pLKiUroXIJhqyfI11yKIMUu
Signatures
-
Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource PhotonExternal.exe
Files
-
PhotonExternal.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: 227KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 219KB - Virtual size: 218KB
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