Behavioral task
behavioral1
Sample
ClientBetaNew.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
ClientBetaNew.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
ClientBetaNew.exe
Resource
win10v2004-20240412-en
General
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Target
ClientBetaNew.exe
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Size
229KB
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MD5
e7fca17393a9f4cb9ccb2f65fc2bb214
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SHA1
cef26fa30e3f68d85ab923beecc0cd0dbfa2a720
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SHA256
499282fecf90d5dcdf2b01ca4413c37477ec17b6068b43300dfeaefa1fb50978
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SHA512
303fe673e0d12410010971fb15ae58751948a7e0fb559e97acf5c73df0a7987dc8d423d59ebdfdfee79ef2696795ecf78543dcb74bebf6073a65229a2d24b80a
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SSDEEP
6144:9loZM+rIkd8g+EtXHkv/iD4rzQumkrHM99YW3X2gyb8e1mtzi:foZtL+EP8rzQumkrHM99YW3X23Ie
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1228961158032261151/x5bALpkiKWNhez1S3tpx6EU3KWmw4QhC3ZYLfNmj5sJalr62XbwIXFICAAfVJYroxbhu
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 ClientBetaNew.exe
Files
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ClientBetaNew.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: 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