Behavioral task
behavioral1
Sample
Unconfirmed 536577.exe
Resource
win10v2004-20240226-en
General
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Target
Unconfirmed 536577.crdownload
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Size
228KB
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MD5
12c48d1f3a769da2bdc422e0103f44da
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SHA1
393a5556c03ea82d857a4bf90460b49b41ef98b9
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SHA256
f579332f31726bd85514b796ab4ef05dfa73a49cb8cef4778e894655c4fcd3a7
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SHA512
b2d0eb7acc57ab5d1102fe05102fbdb79f9ec7ae7b10516cd4d1f9b17f0f719733583b26dcaa407b6e560259cbf4a551fbc0a4ac85d1112c60c31b5add00c9a2
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SSDEEP
6144:lloZM3fsXtioRkts/cnnK6cMlDWcYOsTPkgFQu//OpFvb8e1m/id:noZ1tlRk83MlDWcYOsTPkgFQu//OLdd
Malware Config
Extracted
umbral
https://discordapp.com/api/webhooks/1208929441737220159/gnSVMBwAysugn0qfWJ-CCqrayoKhSBn3_-0anrapxoNVrdwFtyAM6r55XKNVG5R10VFS
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 Unconfirmed 536577.crdownload
Files
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Unconfirmed 536577.crdownload.exe windows:4 windows x86 arch:x86
Password: infected
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