Behavioral task
behavioral1
Sample
NEAS.02ca3b79c12ed28ec6eb5410b20c5df0_JC.exe
Resource
win7-20230831-en
General
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Target
NEAS.02ca3b79c12ed28ec6eb5410b20c5df0_JC.exe
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Size
293KB
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MD5
02ca3b79c12ed28ec6eb5410b20c5df0
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SHA1
3a97a86b041e37414072174d7b6707a0f52f2ff5
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SHA256
d8a3a182fcd2773594f2055d1f54c7e558510d6a0a372ff7f721d360425aef90
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SHA512
5fb4a458e2e30fdf86d8d0d73a88a38d757771bf5331c3cba83bf49ada625513d9bf8bd72131211eeb652d08cc206a79660a676036586650ceaa9629f02ef40f
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SSDEEP
6144:GloZM+rIkd8g+EtXHkv/iD44FuHhv0IHB2PxM4d90b8e1mXi:woZtL+EP84FuHhv0IHB2PxM4deJ
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1160195270143922249/U-QcJo4LI46aV5JRsndz6oDyFHGQTTgcScceb4ejQXcwyD4rbQm3BE8aVLrnOVnDZbKr
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 NEAS.02ca3b79c12ed28ec6eb5410b20c5df0_JC.exe
Files
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NEAS.02ca3b79c12ed28ec6eb5410b20c5df0_JC.exe.exe windows:4 windows 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: 224KB - Virtual size: 224KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 68KB - Virtual size: 67KB
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