Behavioral task
behavioral1
Sample
bTfn.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
bTfn.exe
Resource
win10v2004-20231222-en
General
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Target
bTfn.exe
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Size
32KB
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MD5
8ff11b8b8e1c6e4dfb94aa8ec0ccd8f8
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SHA1
68feb6136b4e97df0fb7ff421f32d1d6080432fd
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SHA256
f4555621768e0c3d0fe825b7f237813a79f2da7b25e9b9025614b62453927da1
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SHA512
1d1a95ef575b40b8486c1cba9d00a8bd5519d55eff370b2295faebadba6ef4eaaf4f597f289840422d0b6ba1d9e0f2bce62dd33c1fb6cede105c90b40a7115ea
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SSDEEP
384:c0bUe5XB4e0XJgONvw0Q0mS03AWTxtTUFQqzF4ObbJ:JT9Bu9C55dKbJ
Malware Config
Extracted
njrat
0.7NC
NYAN CAT
20.201.119.163:1026
9fa68b9e56d24c
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reg_key
9fa68b9e56d24c
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splitter
@!#&^%$
Signatures
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Njrat family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource bTfn.exe
Files
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bTfn.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
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_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 20KB - Virtual size: 17KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 4KB - Virtual size: 672B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ