Behavioral task
behavioral1
Sample
Nursultan/NursultanCrack.exe
Resource
win7-20240903-en
General
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Target
Nursultan.rar
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Size
107KB
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MD5
8595d1278d17ddd0975956ff13964abe
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SHA1
0ff59987a6053395248236ed0db5f581c765421e
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SHA256
4ad4d37a29ba252afce7fc4d0fd2f034ed1ec34b07e835189f0deeac96427c03
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SHA512
67ead5076c616b1b555da364b1984085f27944297f323ea615fe346f052bb6f5c7a5ab98925d3a2dda087d86242962a484030a153b15544fcd3fe7d5045678a2
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SSDEEP
3072:grbF5vtTi7uzI/HUY0uoKA1odo670CcuojlA:ibF5vdouzI/yQrdL0CcuUG
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1303346382320566364/NKw3SHRn53oFiPfzBhnGkM5DJDPNYfTopbE2xqInlxxGUx2Xeo3MNSDPrwfoElJVpQzF
Signatures
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Detect Umbral payload 1 IoCs
Processes:
resource yara_rule static1/unpack001/Nursultan/NursultanCrack.exe family_umbral -
Umbral family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource unpack001/Nursultan/NursultanCrack.exe
Files
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Nursultan.rar.rar
Password: 1
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Nursultan/NursultanCrack.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: 228KB - Virtual size: 228KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 99KB - Virtual size: 98KB
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