Behavioral task
behavioral1
Sample
test.exe
Resource
win7-20240221-en
General
-
Target
test.exe
-
Size
232KB
-
MD5
5efa80ce88a765c6603129c757b21a07
-
SHA1
f5ceec0c07fdce0a9bbb8400372395082dc0c308
-
SHA256
685f538f83141a64cc51aefe1bc4047c3628c8b27e356ae21896c2722c35dfc7
-
SHA512
c9f95fc1bd2fed8e0db78f2e212dd3e694b9a4550499c04d4376a538f1eaf59e24f5fb8c667b3d4c1525b93a6e460d02493493b9c5b2a427b628fd3d8573c8cd
-
SSDEEP
6144:BloZMzrIkd8g+EtXHkv/iD4h8ko1DA0r3SjVg8Zb3b8e1mPi:zoZcL+EP8h8ko1DA0r3SjVg8Zfh
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1257608276456112229/aDiWJ7yaFJnKv0Fj-AlnNJMfR_nuR1LpncwvjyDNzKXKt7rbThXQ2ZCLgEAkgfAdCyu8
Signatures
-
Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource test.exe
Files
-
test.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: 229KB - Virtual size: 229KB
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