Behavioral task
behavioral1
Sample
25c02277f2a8d87c337a7ed145b3aebe37df66811b7fa9f158dfb09af777fd19.exe
Resource
win7-20240508-en
General
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Target
25c02277f2a8d87c337a7ed145b3aebe37df66811b7fa9f158dfb09af777fd19
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Size
235KB
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MD5
32099bdcf2a8c75821bc048193d3b1f5
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SHA1
3a28da976bdb4f301dc94afcd0cf2ed60e0c0065
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SHA256
25c02277f2a8d87c337a7ed145b3aebe37df66811b7fa9f158dfb09af777fd19
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SHA512
e13e0c78cff7e9603c2cee4c720d5680c3ddbd0a21303dcd67733c06f284f7657cdfd10544e6cab470f4d92129a5e8c98684cb518b204ffcfba439249bcaa18c
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SSDEEP
6144:TloZM+rIkd8g+EtXHkv/iD4agl0LxCqVYQhTuOLKDb8e1moiLiP:RoZtL+EP8agl0LxCqVYQhTuOLM3J
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1208265063908122664/VHOK-IsM3adoYg6Y_EeS7C676q9Dr8KIhATvohfzxAGtSTTjD6rNR_3PZ0lPq3hmTbNo
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 25c02277f2a8d87c337a7ed145b3aebe37df66811b7fa9f158dfb09af777fd19
Files
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25c02277f2a8d87c337a7ed145b3aebe37df66811b7fa9f158dfb09af777fd19.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: 6KB - Virtual size: 5KB
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