General
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Target
NursultanRealese.exe
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Size
245KB
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MD5
cd46141c0f7707d1b4be3187a4c922cd
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SHA1
36ff990729059807dd86027fb11a5ba26609588c
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SHA256
ec3e59d47b01bb3c53ec23cb06829a302e9c6385a7898460138249de6f0cd4b6
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SHA512
61f82d754268476ece6e2b83e71494f32feecee37366542fbfa533a57c8aeb2b8f00ce4bcc30ca4730594eafe0ae8e0aca5660009f6d40a1b05895a4cb385c27
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SSDEEP
6144:dloZM+rIkd8g+EtXHkv/iD4ZHPtxd58e1my+Jizq6:/oZtL+EP8R1xznhz
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1301312698985746583/K1fGKcUXfYQcRHyvEdGJsIJ-5P6lyoAfZOWMo_iC0DqlTxrw3f19gxORH3lqzeMsJT4G
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 NursultanRealese.exe
Files
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NursultanRealese.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: 227KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 16KB - Virtual size: 16KB
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