General
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Target
citizen.exe
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Size
229KB
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MD5
fdb0b8617cf84e37b6eb3d7d33fb2bc4
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SHA1
57d7ec3221470c30aaebd8c76a55daef900bfd07
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SHA256
ee7e7ac852c19524db20655a03bffdbcc34a26771fd3bbee1aa7b9c25e0e16b1
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SHA512
1f6d657bf33b08fae291b857e21055a3c3e2398d4b6d42ff764c9f95949441af79bf18a2602af0a7568eeccd0e5d47311c1838200e5ae2111b36176326e457fe
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SSDEEP
6144:lloZM+rIkd8g+EtXHkv/iD4n9w7U69VeAbGkFZwQZb8e1mRhMi:noZtL+EP8n9w7U69VeAbGkFZwgO
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1320449525479116871/2nl-lNOK3OOL4EJWAlWs6L8xzpybWJnH8mXfik2A0wv5WNXkWlF6IMTk5TGCt541XUdR
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 citizen.exe
Files
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citizen.exe.exe windows:4 windows x86 arch:x86
Password: 1
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: 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