Behavioral task
behavioral1
Sample
PulseLoader 3.4 x64.exe
Resource
win7-20240220-en
General
-
Target
PulseLoader 3.4 x64.exe
-
Size
234KB
-
MD5
dece225e18c1c2791fed6062c97a6322
-
SHA1
06d68036d8da0fb7b45a33bcfc14d8f72c9e68a8
-
SHA256
e13794d15691acbbd898adcbbca15b903ee738c46ad7237d5d8e018385eeb4e0
-
SHA512
1c1da44b6aa350751877ddda9d7d12b087bc9c4cbf73449bacbdcb2a4a510f92dbfb21f11f9e5613a9cb9ad570dd9096ebe278b6cd4d066c344975e1c8e76350
-
SSDEEP
6144:MloZM+rIkd8g+EtXHkv/iD4xIyh4+ZRSJ3q459ckNb8e1mxi:KoZtL+EP8xIyh4+ZRSJ3q459cUD
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1231093581062602752/vcrat7EkKCV38BURmsdzcMmSm7QaSMObalNgUXiYQsrZMhOh6NlibqaXOS4ZDY3Bx3Fl
Signatures
-
Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource PulseLoader 3.4 x64.exe
Files
-
PulseLoader 3.4 x64.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: 227KB - Virtual size: 226KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 6KB - Virtual size: 5KB
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