Behavioral task
behavioral1
Sample
ImperialStealerexeexeexee.exe
Resource
win7-20230703-en
General
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Target
ImperialStealerexeexeexee.exe
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Size
287KB
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MD5
f0a434e6a2826a3bb563c59dfe720a94
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SHA1
46899f6dda27a9ddc7f0849f999a7d7851f6960c
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SHA256
0082170e2185d53ec008632a7e8d10b6ff831c063dd2fbf23b6a888f21e6da29
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SHA512
14fd13968cbc005764e43bfc62056c953a3c61c94f90888b9a3c26d3c0b1b8645335e7c950ad05787bd75423c5a2d310baf08dc41ed6aef99f773cab76f694e4
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SSDEEP
6144:+loZM+rIkd8g+EtXHkv/iD4U8OK/w2xpaqPyAxVk1Eb8e1mwi:ooZtL+EP8U8OK/w2xpaqPyAxVkOG
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1125959139969994822/tjr2Z1YnGve0qXnwycv9Zn-50F_cWvKxydzIRLCfjpEqRL1feAQxWnrH1tg6T4YplSIy
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 ImperialStealerexeexeexee.exe
Files
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ImperialStealerexeexeexee.exe.exe 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: 227KB - Virtual size: 226KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 59KB - Virtual size: 58KB
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