Behavioral task
behavioral1
Sample
anx tools.exe
Resource
win7-20240729-en
General
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Target
anx tools.exe
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Size
231KB
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MD5
f38061c227c9dc21395a4e9c874003c9
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SHA1
966890144df8f62eb3dd62012fda0ce93176cd3a
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SHA256
ffa57fe774834afa8dc2d696c2152c745e6da81fc2de0f46f3b72f4f34193931
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SHA512
95e30bc74a83363c7d6c5a8634d68f76283a43ad9c50b62fc65bf8e9061868dc2050889e47768756d204274b84f56f7dcf75db9c8c72cd863facc8f5090bcee5
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SSDEEP
6144:xloZM+rIkd8g+EtXHkv/iD4a9UfNbYMTVqL9Y0hr0b8e1m2i:DoZtL+EP8a9UfNbYMTVqL9Y0hYg
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1315120938802610227/J_4BPhVcrsLcq2mahJiMiQcIYOBCP2Rom9vaYW61kY5rHFKz0dJrLWpAM7JV70bg-Vn5
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 anx tools.exe
Files
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anx tools.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: 228KB - Virtual size: 228KB
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