Behavioral task
behavioral1
Sample
STEALER4000PRO.exe
Resource
win7-20240419-en
General
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Target
STEALER4000PRO.exe
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Size
229KB
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MD5
bbc777f07f2779e1c776fff6afd594c0
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SHA1
fc2b7e80ec86b55dcff0f2026fee001c96ae1817
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SHA256
96622bdc957b5aba6687cdc3de23737ed4775cd49f7be43ead103c40c8b68160
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SHA512
939809ffd348eb0785e49c23470a2678ab8385d015aa0aab60bdde4a15f8f5cc647bdf8a387d3547a124736a5265b0502d9d55cec4c4c50af547778480aa3f3d
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SSDEEP
6144:FloZMCrIkd8g+EtXHkv/iD44QjxM+8D/0aVA+Pv+Gfb8e1m8ti:HoZRL+EP8TjxM+8D/0aVA+Pv+k7k
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1239293106734633151/73v8pJqtEXJAObSGsOMvmLS7ZXjxnQNcVZ5Tlf7q-xhYMT_74OIGR-9lk1-J_taBcFZ9
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 STEALER4000PRO.exe
Files
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STEALER4000PRO.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