General
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Target
NullRAT-source.zip
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Size
546KB
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MD5
159cb845b37f6935d4f9f23f2b7cf753
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SHA1
70363a2e76f34d06f100f2fe110986e59ff59cc8
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SHA256
52084aedb0e8da9ccb921e1f3430cad80c7ef56217dffbeec9caee0a9ff85e14
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SHA512
1b00b4683c846f43c94c8d72fa6ed0563cbf8d032f51045b574facefb6e8ddb3ea103a66e2848fc266e74842d24b9c55b66dfb6401bfd818d3adf686e488de15
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SSDEEP
12288:ntlemY9q6RD8cvKRBhSXYLZIrY1GvryVVDMTzmWWY9ps5Jm:tX6aBLwDy7YT6pY9p6m
Malware Config
Signatures
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Patched UPX-packed file 1 IoCs
Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.
resource yara_rule static1/unpack002/out.upx patched_upx -
resource yara_rule static1/unpack001/NullRAT-source/NullRAT/upx/upx.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/NullRAT-source/NullRAT/upx/upx.exe unpack002/out.upx
Files
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NullRAT-source.zip.zip
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NullRAT-source/.gitignore
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NullRAT-source/Getting Variables.md
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NullRAT-source/NullRAT/RAT.py
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NullRAT-source/NullRAT/custom_icon.ico
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NullRAT-source/NullRAT/modules/ChangePass.py
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NullRAT-source/NullRAT/modules/checkedtokens.py
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NullRAT-source/NullRAT/modules/clipboard.py
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NullRAT-source/NullRAT/modules/create_new_module.py
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NullRAT-source/NullRAT/modules/directory.py
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NullRAT-source/NullRAT/modules/geolocate.py
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NullRAT-source/NullRAT/modules/getenv.py
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NullRAT-source/NullRAT/modules/hideFile.py
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NullRAT-source/NullRAT/modules/rawtokens.py
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NullRAT-source/NullRAT/modules/receivefiles.py
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NullRAT-source/NullRAT/modules/runfile.py
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NullRAT-source/NullRAT/modules/screenshot.py
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NullRAT-source/NullRAT/modules/sendfiles.py
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NullRAT-source/NullRAT/modules/shell.py
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NullRAT-source/NullRAT/modules/startup.py
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NullRAT-source/NullRAT/modules/systeminfo.py
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NullRAT-source/NullRAT/modules/tasklist.py
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NullRAT-source/NullRAT/modules/unhideFile.py
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NullRAT-source/NullRAT/modules/webcam.py
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NullRAT-source/NullRAT/modules/wifiList.py
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NullRAT-source/NullRAT/modules/wifiPass.py
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NullRAT-source/NullRAT/upx/upx.exe.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: - Virtual size: 1.7MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 515KB - Virtual size: 516KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
.text Size: 1016KB - Virtual size: 1016KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 1.1MB - Virtual size: 1.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 12KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 56B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 8B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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NullRAT-source/README.md
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NullRAT-source/VERSION
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NullRAT-source/compiler.nim.js