Umbral[.]exe | Triage

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General

Target

Umbral.exe
Size

682KB
MD5

2fb9c890c2d6abfdb5e0c49e1ec3f48c
SHA1

5667450a5bbd390be708e716a70246b85ecee77f
SHA256

8e0c46a44be6fb8ea35eb053fa6507e5a61fe6ae9f548361c6719d7181b8be89
SHA512

b26286d0f8bf774f1e9131fdd24c71cfdb86c16450ad2581ec010aa147d4fd0ee5991534a17aa6ffbf1484cf90e8c498f96b1e3d0dad1a42b8b06a4796134720
SSDEEP

12288:R6jYEG2ZVW1UY9mT1ST060SuGeaa9qN0qF6XaSDO625:4lrW6Y9mTMQsF6KSid

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Umbral.exe

Files

Umbral.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

op6xV
Size: 272KB - Virtual size: 272KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.text
Size: 405KB - Virtual size: 405KB

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

.lJcg
Size: 512B - Virtual size: 134B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

A54BB24B
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.null
Size: 512B - Virtual size: 276B

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