umbral | Impact[.]exe | Triage

Sharing

General

Target

Impact.exe
Size

6.3MB
MD5

5016a909cca6b4aa3be2ca91413d6ab9
SHA1

de7c31eb75b193b814f06644683ae5d577318414
SHA256

dbe484df5c3d55bed8b6a40b64ca3a1795d2c8aca6205608d21d5472ade4165e
SHA512

086d0df5d5b24609d4948bfacac11bfa1b89393cf754807af8fc28d79835b506e3969e2859edf3fd2c3cb764ea5efb32857f1efbf35400d39efa05e8713b9e2c
SSDEEP

98304:IB38757d1xzB92ETr/SG/e6ML0kySVPziZ42xBTBcSn7JNXjEFsZg53B:Gs7D1xH3/SG/KL0fSNmZ9xhBj7zzes6X

Score

10^/10

umbral

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
sample	family_umbral

Umbral family
umbral

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Impact.exe

Files

Impact.exe
.exe windows:4 windows x86 arch:x86

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

CODE
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

DATA
Size: 512B - Virtual size: 124B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

BSS
Size: - Virtual size: 1KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 1024B - Virtual size: 770B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 4B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 456B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 6.3MB - Virtual size: 6.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ