Behavioral task
behavioral1
Sample
injector.exe
Resource
win7-20240220-en
General
-
Target
injector.exe
-
Size
231KB
-
MD5
011dc48d3b07ca3ab0021bfbb2bd0544
-
SHA1
1a989adcd1a5385927e4c8ce564e7dafe156300a
-
SHA256
03f17e9278c35e4456f926a740d9590a140017b0173f8bc3b7eda7902bcc0e05
-
SHA512
83a337abe760652f45e1c16291191e2cefa4f681e084d67b8224e7f86c724fbf748c648e03ca1d8791db8b198d9f21e488b66500e4e2fea56a6806b8bb95a465
-
SSDEEP
6144:RloZM9rIkd8g+EtXHkv/iD4SxUVp3cw/FeHp0AV+Rb8e1mQVyi:joZmL+EP8SxUVp3cw/FeHp0AVa1Vn
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1211673674319663114/2fRifDKsBF9b-e84rgM14W4Gw-nRxvG5e89DSkYNETeZxaOLDNWPlIa-cAAFlNt2lx2y
Signatures
-
Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource injector.exe
Files
-
injector.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