Behavioral task
behavioral1
Sample
wow22.exe
Resource
win7-20240903-en
General
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Target
wow22.exe
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Size
227KB
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MD5
b3ef176d54158b25baa27e2c091f1f0e
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SHA1
dc425834e0f35d66bce485ead25a00be5644ff5c
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SHA256
82bc9d17630c105e0eaa115acbb28fdd6264cf4e5da15329311817d38b9bbb09
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SHA512
23f0bf14e5154a4c7a92905aea1fc5eb29d9a9aad76644f7bcba8fefdcf7936dec7cbf0bb63127a407313534b64689c7ffaba8585e7e8ede4a246633c5b1fa98
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SSDEEP
6144:+loZM+rIkd8g+EtXHkv/iD4o/3V6YXzQgp8aLLy8Db8e1mVi:ooZtL+EP8o/3V6YXzQgp8aLLyij
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1339482931164610584/rTlwFucmzC_c-XCkjdFAt9gtr9KcHUvDHD0k8wLmSAYoV9HBdiM7K_iS0sEh5I54WyeU
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 wow22.exe
Files
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wow22.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: 224KB - Virtual size: 224KB
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