Behavioral task
behavioral1
Sample
New folder/AsyncClient.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
New folder/borat.exe
Resource
win10v2004-20240704-en
Behavioral task
behavioral3
Sample
New folder/purple.exe
Resource
win10v2004-20240704-en
General
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Target
New folder.zip
-
Size
250KB
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MD5
862596f4db8efd0d6d1bae204ade81f5
-
SHA1
272576dcc59964db391cae4247cf44ba45c6f06f
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SHA256
6bce3efc034465072079041148dcd6bdff611d1bd7dfbc4c61161faf47c3d066
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SHA512
695ebad239b023ee2bea080e225c351f504238e66327007802e40b7e0ed12cde15c4a3ad07d6ac15bd2ca8ca741882e4fbd43bb659099970b9daa15f73a716b1
-
SSDEEP
6144:ECs9Ogq89cjxtez+i4nDxbqAR9zzmYARtf+kVKvTatstTC:Er9Om6jHntnDxbTRFnMf+kVKvTqstTC
Malware Config
Extracted
asyncrat
0.5.8
Default
127.0.0.1:8808
QdNftpHJFSw4
-
delay
3
-
install
false
-
install_folder
%AppData%
Signatures
-
Async RAT payload 1 IoCs
resource yara_rule static1/unpack001/New folder/AsyncClient.exe family_asyncrat -
Asyncrat family
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Unsigned PE 3 IoCs
Checks for missing Authenticode signature.
resource unpack001/New folder/AsyncClient.exe unpack001/New folder/borat.exe unpack001/New folder/purple.exe
Files
-
New folder.zip.zip
-
New folder/AsyncClient.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: 42KB - Virtual size: 41KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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
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New folder/borat.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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 53KB - Virtual size: 52KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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
-
New folder/purple.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: 698KB - Virtual size: 698KB
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