Behavioral task
behavioral1
Sample
Builder.exe
Resource
win10v2004-20240704-en
General
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Target
Builder.exe
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Size
273KB
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MD5
2a388e389df3136db839745d13a2bbd0
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SHA1
1ba063842110c80d2a6bdf8280ec88b426b9d4ea
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SHA256
a2251164857af32d0a13d3d91c9cb17af07f5858ad935c666a4787f12d585622
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SHA512
01715c872281fffd8587f5cdabb5a9d80c720871424a6bf50ad0e8de7aae69536d0d4ffecb611ecfb8e98190e96b8ba896c96bf2dc0ebdda511f74909b5cb559
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SSDEEP
3072:Ee8p6ewdOIwQx76vK/bvTv0cU+lL/dMlZZUZ0b2gTiwARE+WpC/Bz65/M6If+3JC:g6ewwIwQJ6vKX0c5MlYZ0b2zFxBt25
Malware Config
Extracted
asyncrat
Default
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
https://api.telegram.org/bot5602729079:AAHue5HGrezQGgwKeWyn3WQgaqOZM5nlF_c/sendMessage?chat_id=6067717150
AsyncMutex_6SI8OkPnk
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delay
3
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install
false
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install_folder
%AppData%
Signatures
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Async RAT payload 1 IoCs
resource yara_rule sample family_asyncrat -
Asyncrat family
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StormKitty payload 1 IoCs
resource yara_rule sample family_stormkitty -
Stormkitty family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Builder.exe
Files
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Builder.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_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 172KB - Virtual size: 172KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 99KB - Virtual size: 99KB
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