General
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Target
build.zip
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Size
2.9MB
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MD5
f765b3df8015eb734dfa3af189dd02dc
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SHA1
faee5d65796e27409633594fdac32db3593b66bc
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SHA256
76621536f29a688e86b6964cbb88f51813f4858c57f375bc7387b7e2b138cdb6
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SHA512
344282d24f58325bf940477d48b692ec765c0d026801ccb331918b32120955952cd08a704c475f45a70688266b36d5dbc4ade77c159eda1e7cfb6bb9d0b8b236
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SSDEEP
49152:Z932cD027AAqpXpotYO29n6ofGbbuk8V0g/uUneRqNrXJqKAzRMnIHltj:v2NSAAqpXmX25PGblJOBneRqNr5qKUyS
Malware Config
Extracted
stealerium
https://discord.com/api/webhooks/1274884697553633374/cgftOG3YEk0chdJS0rgECfP4MTRVQH9YeUPXq8YHtw-rsy_AIXIhYb8KMgXRIBxfhD--
Signatures
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Stealerium family
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Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/build.exe unpack001/stub.exe
Files
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build.zip.zip
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build.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: 1.5MB - Virtual size: 1.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 5KB - Virtual size: 4KB
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
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stub.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: 1.5MB - Virtual size: 1.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 5KB - Virtual size: 4KB
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
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stub.exe.config