Behavioral task
behavioral1
Sample
20a5f718e30ebf604171a2e6c7b57fdd3affb5d1b3845920c12543fc9e8337bd.exe
Resource
win7-20240708-en
General
-
Target
6f801049dc7c819dc80f015947962f47.bin
-
Size
117KB
-
MD5
853dc1d674bff740ced2ada5a354973a
-
SHA1
8a5a3a20cdffe8b683491378a52c22744a769f9f
-
SHA256
68df11ba8f6db56ddf29a0ef7ea38663342375e36abb0b2924fbc974acf7b15f
-
SHA512
8c78a8890763836f65540ef854e12cb2d719a50d2c90919084c55ab8986aa49d3d64031dd5e7c24f5e4af957dd730fe17a1634d2aee7fb607761dcba4adf23cb
-
SSDEEP
3072:riFj/DQH36H1Kirx/zCIQjEGKwOxYv5o46QlG8pnktILVw:GV/DA8RRCAHw4o5o4X4EsILy
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1275502153837838398/YsNK27WH0DB0tFxyB1u1EnPy6G9b_ATzsOE7FchNRWK3nlsLiWCT8GNYqMeNW8lbxZ0v
Signatures
-
Detect Umbral payload 1 IoCs
resource yara_rule static1/unpack001/20a5f718e30ebf604171a2e6c7b57fdd3affb5d1b3845920c12543fc9e8337bd.exe family_umbral -
Umbral family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/20a5f718e30ebf604171a2e6c7b57fdd3affb5d1b3845920c12543fc9e8337bd.exe
Files
-
6f801049dc7c819dc80f015947962f47.bin.zip
Password: infected
-
20a5f718e30ebf604171a2e6c7b57fdd3affb5d1b3845920c12543fc9e8337bd.exe.exe windows:4 windows x86 arch:x86
Password: infected
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: 280KB - Virtual size: 280KB
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