Behavioral task
behavioral1
Sample
0x0007000000015f71-121.exe
Resource
win7-20240903-en
General
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Target
0x0007000000015f71-121.dat
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Size
229KB
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MD5
06129ffc46e854930cfcaa754ca1d487
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SHA1
e7c173c48aa107ec63bd6f9030c9ec6fe889d832
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SHA256
10d28e18a7df4b2c30e05e5e361f1724e0b6ea8c021d8105ee30354be79b98d1
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SHA512
b7121a2a65f317edbc1b4dd8dec427c277fad2b521a211d1408bc06b79431c418dad32ed61481c5ef49511cd167846e026a86147ae77bd9b0e607918feb66ab9
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SSDEEP
6144:tloZM+rIkd8g+EtXHkv/iD4OUCKbhS6FOAxDeebn4b8e1mSTi:voZtL+EP8OUCKbhS6FOAxDeebAo
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1266665187293794356/BgUJDQi9QXAA0avjRcAiy-uTUWdbVUSk8SQjon--JNjDxPP5bEhE6DLfJFghJ_KLSRhA
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 0x0007000000015f71-121.dat
Files
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0x0007000000015f71-121.dat.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: 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