General
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Target
SolaraFixer.exe
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Size
231KB
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MD5
8bef46b57ddddec3d0d140f6f8d4b68e
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SHA1
549b51f7d1106f186de8d3594d55dcac22a6f8fc
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SHA256
360d3cef3d330c1930e318277939ab1c7db6c969f23be5d385b93f5faef3b4d2
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SHA512
5e9442c00355f5aea64b787658e7b390e5f53d1709bb4ce951db3e363b91fde46cd70d2262ddd9d06c1e21a72a2728821065d87c213ce86020a620ba468458f7
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SSDEEP
6144:RloZM+rIkd8g+EtXHkv/iD4HlYrU69VenbGkFZw36b8e1mzCi:joZtL+EP8HlYrU69VenbGkFZwWeX
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1299461719801991309/vrYuMDjs_n5vFmzGOfz4kp_hTyDr2VE1-rjZ8OaF0rcFRYvfnqe3C0qr56jzGH43IeT7
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 SolaraFixer.exe
Files
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SolaraFixer.exe.exe windows:4 windows x86 arch:x86
Password: solarafix
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