umbral | Impact[.]exe | Triage

Sharing

General

Target

Impact.exe
Size

6.3MB
MD5

eb0e04cc115c3dbae1a4c72872403c36
SHA1

b8ad299c7b5dd2457aab50670e34061e093fd55d
SHA256

5c14655f524f959b7cf27da32d3994e63329a5ad86e7e1bc98fe08a641ad9234
SHA512

ca155aced689e5d0494709edea775db5b17b06027569dba9f6e1ef1370abeb57952c55740e92090ed8186363e48f119c64eb1a84267a642aba725da1a0073e89
SSDEEP

98304:nB38757d1xzB92ETr/SG/e6ML0kySVPziZ42xBTBcSn7JNXjEFsZg5co:Bs7D1xH3/SG/KL0fSNmZ9xhBj7zzes6B

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