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Analysis
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max time kernel
176s -
max time network
187s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25/12/2023, 11:18
Behavioral task
behavioral1
Sample
1a449ef21667543a276d8b0cd790a995.exe
Resource
win7-20231215-en
windows7-x64
12 signatures
150 seconds
General
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Target
1a449ef21667543a276d8b0cd790a995.exe
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Size
298KB
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MD5
1a449ef21667543a276d8b0cd790a995
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SHA1
eac671e5a739c77e45544f5e2b39aaab4bb94fe1
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SHA256
2ff5da388ecb4d0fcb4ca48cd18ec285096b4ee579098a15ab2e61a81a3bfe91
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SHA512
3adf79c9a5cbdb0b608fe90911e356bddbbb7d030e5b4f55b11443294654cbdd521e02e6400c8f32b9c4264806a8a3869abf3c4add9e536c27cf103c1f451ec3
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SSDEEP
6144:EuIlWqB+ihabs7Ch9KwyF5LeLodp2D1Mmakda0qLqIYc:v6Wq4aaE6KwyF5L0Y2D1PqLr
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" svhost.exe -
Executes dropped EXE 1 IoCs
pid Process 3592 svhost.exe -
resource yara_rule behavioral2/memory/4552-0-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/files/0x0007000000023223-3.dat upx behavioral2/files/0x000600000002322a-103.dat upx behavioral2/memory/4552-447-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/3592-1243-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/3592-2277-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/3592-2540-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/3592-3009-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/3592-3973-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/3592-5267-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/3592-5975-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/3592-6921-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/3592-7615-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/3592-8350-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/3592-9258-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/3592-10280-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/3592-11319-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/3592-12338-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/3592-12982-0x0000000000400000-0x00000000004C2000-memory.dmp upx -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\u: svhost.exe File opened (read-only) \??\v: svhost.exe File opened (read-only) \??\w: svhost.exe File opened (read-only) \??\x: svhost.exe File opened (read-only) \??\y: svhost.exe File opened (read-only) \??\b: svhost.exe File opened (read-only) \??\m: svhost.exe File opened (read-only) \??\t: svhost.exe File opened (read-only) \??\a: svhost.exe File opened (read-only) \??\h: svhost.exe File opened (read-only) \??\l: svhost.exe File opened (read-only) \??\j: svhost.exe File opened (read-only) \??\k: svhost.exe File opened (read-only) \??\n: svhost.exe File opened (read-only) \??\o: svhost.exe File opened (read-only) \??\p: svhost.exe File opened (read-only) \??\e: svhost.exe File opened (read-only) \??\g: svhost.exe File opened (read-only) \??\i: svhost.exe File opened (read-only) \??\q: svhost.exe File opened (read-only) \??\r: svhost.exe File opened (read-only) \??\s: svhost.exe File opened (read-only) \??\z: svhost.exe -
AutoIT Executable 16 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/4552-447-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/3592-1243-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/3592-2277-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/3592-2540-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/3592-3009-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/3592-3973-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/3592-5267-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/3592-5975-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/3592-6921-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/3592-7615-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/3592-8350-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/3592-9258-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/3592-10280-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/3592-11319-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/3592-12338-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/3592-12982-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\svhost.exe 1a449ef21667543a276d8b0cd790a995.exe File opened for modification C:\Windows\Driver.db svhost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4552 1a449ef21667543a276d8b0cd790a995.exe 4552 1a449ef21667543a276d8b0cd790a995.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3592 svhost.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 4552 1a449ef21667543a276d8b0cd790a995.exe 4552 1a449ef21667543a276d8b0cd790a995.exe 3592 svhost.exe 3592 svhost.exe 4552 1a449ef21667543a276d8b0cd790a995.exe 3592 svhost.exe 4552 1a449ef21667543a276d8b0cd790a995.exe 3592 svhost.exe 4552 1a449ef21667543a276d8b0cd790a995.exe 3592 svhost.exe 4552 1a449ef21667543a276d8b0cd790a995.exe 3592 svhost.exe 4552 1a449ef21667543a276d8b0cd790a995.exe 3592 svhost.exe 4552 1a449ef21667543a276d8b0cd790a995.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 4552 1a449ef21667543a276d8b0cd790a995.exe 4552 1a449ef21667543a276d8b0cd790a995.exe 3592 svhost.exe 3592 svhost.exe 4552 1a449ef21667543a276d8b0cd790a995.exe 3592 svhost.exe 4552 1a449ef21667543a276d8b0cd790a995.exe 3592 svhost.exe 4552 1a449ef21667543a276d8b0cd790a995.exe 3592 svhost.exe 4552 1a449ef21667543a276d8b0cd790a995.exe 3592 svhost.exe 4552 1a449ef21667543a276d8b0cd790a995.exe 3592 svhost.exe 4552 1a449ef21667543a276d8b0cd790a995.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe 3592 svhost.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4552 wrote to memory of 3592 4552 1a449ef21667543a276d8b0cd790a995.exe 89 PID 4552 wrote to memory of 3592 4552 1a449ef21667543a276d8b0cd790a995.exe 89 PID 4552 wrote to memory of 3592 4552 1a449ef21667543a276d8b0cd790a995.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\1a449ef21667543a276d8b0cd790a995.exe"C:\Users\Admin\AppData\Local\Temp\1a449ef21667543a276d8b0cd790a995.exe"1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4552 -
C:\Windows\svhost.exeC:\Windows\svhost.exe2⤵
- Modifies visibility of file extensions in Explorer
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3592
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
82B
MD5c2d2dc50dca8a2bfdc8e2d59dfa5796d
SHA17a6150fc53244e28d1bcea437c0c9d276c41ccad
SHA256b2d38b3f122cfcf3cecabf0dfe2ab9c4182416d6961ae43f1eebee489cf3c960
SHA5126cfdd08729de9ee9d1f5d8fcd859144d32ddc0a9e7074202a7d03d3795bdf0027a074a6aa54f451d4166024c134b27c55c7142170e64d979d86c13801f937ce4
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Filesize
298KB
MD549f48559dcd0bb8068745401f11abbba
SHA1b7e92644fdec41a68ea45c946e3202958aa1f4cd
SHA256eda11c9cb243bee48a37c5bd176fefcfd36b49d54d65ea6b6c7bc06619a7d4eb
SHA5126dfc0d913629d7d368ff8d8c48b3448abd4683ac045ea1431c83d8757d69ca686fc85ea21576d8f8046b7054a9cef0eb20a79f17ff8c4a9db935b5079e964853
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Filesize
298KB
MD542059c522ab3373560666aef882fddad
SHA1afb7d3e98b3f4dfb029ad551e769a382790a4c06
SHA256e65fdc740f632742beda68dda838f8074bef0930877152fe3bab021838ffb757
SHA5126d209f2c5e1de5314fa4714cc42c2ec2dc07c81638ef769d971fdf94fefbb05500193a45c756c67db4fb99a584fb98aa0e29ca629168775604f4cb5af852c19b