General
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Target
solara3.1.zip
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Size
93KB
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MD5
067524d2b7c1e7575b1ff841b854e55e
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SHA1
2253f3710d8641c262d232dcf31b9e8234c04026
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SHA256
2df439e8c9ee999f550f555e938904fcc435aa9836fbb6c962c41d8b99002c50
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SHA512
adb6e1dbe47a78e0c828b886a9d34d125e8fb7724d63d27a717fff878b399de12a1ca94d5c9f935c168aead1c0f1bed407e869bca9cab5aa0f85d651463e317a
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SSDEEP
1536:nRFNh4zuKupSGyhUnVMaOBNkTCcQ86gAAaV7O6pwK9nTx/nR7sdDHtFo15F8S41y:nnz4nGyhUCa1TS/A266b/nR7SNWd8H1y
Malware Config
Extracted
umbral
https://discordapp.com/api/webhooks/1218996541960753294/boru4OIiPZlcyQ-ZGV0nkmj3mwQ4Plfv_FNHDZjSkufOGGGnNhBMqMsXP44o9KmN4QSW
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule static1/unpack001/solara3.1.exe family_umbral -
Umbral family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/solara3.1.exe
Files
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solara3.1.zip.zip
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solara3.1.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