General
-
Target
mw3loader.exe
-
Size
227KB
-
MD5
4c8071eac3e759a8d31d887cefd6a13e
-
SHA1
3931ad556f63a7afe07d01f0193154fee4587b5c
-
SHA256
13dbfe8753d896c070bc48d6b4b07f76a8e34a9d949f855fb6e810197764f4bf
-
SHA512
31b621a3dccc6d6b024c432c453da26caa0ad6f81f72d77c9bdb35c16522d3f101f7114106a735e738213adf264f0aaf00b1fe3217065f6d884acb32ddf86754
-
SSDEEP
6144:eloZM9rIkd8g+EtXHkv/iD44PCKSGELnsDd42X3Wh2b8e1mni:IoZOL+EP8qCKSGELnsDd42X3Wsl
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1225939299975823531/hi0KA2iXCI7FLYDopNjuDcU-fNzEE5HRr3DcqtzH_qLfrS6w9VE06rGOJ_zaplYx7d5X
Signatures
-
Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource mw3loader.exe
Files
-
mw3loader.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: 224KB - Virtual size: 224KB
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