Behavioral task
behavioral1
Sample
OptimizedBox-DataSwap2.0.exe
Resource
win7-20240708-en
General
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Target
OptimizedBox-DataSwap2.0.exe
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Size
231KB
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MD5
cc77383b81a5c1c3e55234691e3dc519
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SHA1
2e4af74a0880635706feefde2d6a90a5d77c277c
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SHA256
7d620b8c48e10d1d76c421950d2110b7e45972a0037d81168a90658b31e4cf2d
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SHA512
573e84b86903e6465f9199c485efa7dcaa04759f0afbfa9f5737ec64123a6ebf2b109a7fa67f1ae63c05fa88cda444f96a11d9dd8e1e5da08b1aa75e056afdd2
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SSDEEP
6144:jloZM+rIkd8g+EtXHkv/iD4aphB3tW+xSkt/qqf7mkb8e1mGtAi:BoZtL+EP8aphB3tW+xSkt/qqf3ltZ
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1258984887571185774/DYxTJ5Zdg0_fJN7z6ApDnUWn8ae5s21cbiNsLXfJsAHtSlCryNKqmpOy0QPuMuO-tCfe
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 OptimizedBox-DataSwap2.0.exe
Files
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OptimizedBox-DataSwap2.0.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: 228KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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