Analysis
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max time kernel
151s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25/12/2023, 14:22
Behavioral task
behavioral1
Sample
2531958ed721a603248f6fe5a8386f53.exe
Resource
win7-20231215-en
windows7-x64
12 signatures
150 seconds
General
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Target
2531958ed721a603248f6fe5a8386f53.exe
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Size
298KB
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MD5
2531958ed721a603248f6fe5a8386f53
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SHA1
51fcfac84166288cc0dac187f0a8b918fdcd4621
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SHA256
44a3096eef2141d7960b021af970dc20f65630abdf81d15320949c65384213b9
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SHA512
4b2c60c0017015502f37372bad16745b153649b1c4c9ae9b68e67684cd8dc705ca2615794b98cc839c746f6eed749f79876ec53dc39440972385d6494a6f6eb5
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SSDEEP
6144:EuIlWqB+ihabs7Ch9KwyF5LeLodp2D1Mmakda0qLqIYX:v6Wq4aaE6KwyF5L0Y2D1PqLu
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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" svhost.exe -
Executes dropped EXE 1 IoCs
pid Process 2188 svhost.exe -
resource yara_rule behavioral1/memory/2856-0-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral1/files/0x000b000000012238-4.dat upx behavioral1/memory/2188-6-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral1/files/0x0032000000015e82-67.dat upx behavioral1/memory/2856-611-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral1/memory/2188-1267-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral1/memory/2188-2314-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral1/memory/2188-2584-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral1/memory/2188-3378-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral1/memory/2188-4436-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral1/memory/2188-5768-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral1/memory/2188-6830-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral1/memory/2188-7900-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral1/memory/2188-8961-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral1/memory/2188-10280-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral1/memory/2188-11348-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral1/memory/2188-12412-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral1/memory/2188-13477-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral1/memory/2188-14794-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral1/memory/2188-15861-0x0000000000400000-0x00000000004C2000-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) \??\l: svhost.exe File opened (read-only) \??\n: svhost.exe File opened (read-only) \??\s: svhost.exe File opened (read-only) \??\t: svhost.exe File opened (read-only) \??\u: svhost.exe File opened (read-only) \??\e: svhost.exe File opened (read-only) \??\g: svhost.exe File opened (read-only) \??\k: svhost.exe File opened (read-only) \??\v: svhost.exe File opened (read-only) \??\x: svhost.exe File opened (read-only) \??\o: svhost.exe File opened (read-only) \??\p: svhost.exe File opened (read-only) \??\r: svhost.exe File opened (read-only) \??\w: svhost.exe File opened (read-only) \??\b: svhost.exe File opened (read-only) \??\h: svhost.exe File opened (read-only) \??\m: svhost.exe File opened (read-only) \??\a: svhost.exe File opened (read-only) \??\y: svhost.exe File opened (read-only) \??\z: svhost.exe File opened (read-only) \??\i: svhost.exe File opened (read-only) \??\j: svhost.exe File opened (read-only) \??\q: svhost.exe -
AutoIT Executable 16 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/memory/2856-611-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral1/memory/2188-1267-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral1/memory/2188-2314-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral1/memory/2188-2584-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral1/memory/2188-3378-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral1/memory/2188-4436-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral1/memory/2188-5768-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral1/memory/2188-6830-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral1/memory/2188-7900-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral1/memory/2188-8961-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral1/memory/2188-10280-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral1/memory/2188-11348-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral1/memory/2188-12412-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral1/memory/2188-13477-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral1/memory/2188-14794-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral1/memory/2188-15861-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\svhost.exe 2531958ed721a603248f6fe5a8386f53.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 4 IoCs
pid Process 2856 2531958ed721a603248f6fe5a8386f53.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2188 svhost.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 2856 2531958ed721a603248f6fe5a8386f53.exe 2856 2531958ed721a603248f6fe5a8386f53.exe 2188 svhost.exe 2188 svhost.exe 2856 2531958ed721a603248f6fe5a8386f53.exe 2188 svhost.exe 2856 2531958ed721a603248f6fe5a8386f53.exe 2188 svhost.exe 2856 2531958ed721a603248f6fe5a8386f53.exe 2188 svhost.exe 2856 2531958ed721a603248f6fe5a8386f53.exe 2188 svhost.exe 2856 2531958ed721a603248f6fe5a8386f53.exe 2188 svhost.exe 2856 2531958ed721a603248f6fe5a8386f53.exe 2188 svhost.exe 2856 2531958ed721a603248f6fe5a8386f53.exe 2188 svhost.exe 2856 2531958ed721a603248f6fe5a8386f53.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 2856 2531958ed721a603248f6fe5a8386f53.exe 2856 2531958ed721a603248f6fe5a8386f53.exe 2188 svhost.exe 2188 svhost.exe 2856 2531958ed721a603248f6fe5a8386f53.exe 2188 svhost.exe 2856 2531958ed721a603248f6fe5a8386f53.exe 2188 svhost.exe 2856 2531958ed721a603248f6fe5a8386f53.exe 2188 svhost.exe 2856 2531958ed721a603248f6fe5a8386f53.exe 2188 svhost.exe 2856 2531958ed721a603248f6fe5a8386f53.exe 2188 svhost.exe 2856 2531958ed721a603248f6fe5a8386f53.exe 2188 svhost.exe 2856 2531958ed721a603248f6fe5a8386f53.exe 2188 svhost.exe 2856 2531958ed721a603248f6fe5a8386f53.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe 2188 svhost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2856 wrote to memory of 2188 2856 2531958ed721a603248f6fe5a8386f53.exe 28 PID 2856 wrote to memory of 2188 2856 2531958ed721a603248f6fe5a8386f53.exe 28 PID 2856 wrote to memory of 2188 2856 2531958ed721a603248f6fe5a8386f53.exe 28 PID 2856 wrote to memory of 2188 2856 2531958ed721a603248f6fe5a8386f53.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2531958ed721a603248f6fe5a8386f53.exe"C:\Users\Admin\AppData\Local\Temp\2531958ed721a603248f6fe5a8386f53.exe"1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2856 -
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:2188
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
298KB
MD5b79bca81a041f8b3a4a91616810812e3
SHA149785845ddc3b95f4a0290afe8a6ebcf854d1a0c
SHA25604425fbb139d874a65654ea684643bcbf7ed977f73293f41e65e6845028b5e2d
SHA512e9a6f8c79b4fd2a18a6f9a7f081ef16993196b8bf87de0b6e8eb9f3df5ca71c485c3c2015b889010672fa2d7a8124476b2d6c7aea7e4f08d511cac1479ef44c5
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Filesize
82B
MD5c2d2dc50dca8a2bfdc8e2d59dfa5796d
SHA17a6150fc53244e28d1bcea437c0c9d276c41ccad
SHA256b2d38b3f122cfcf3cecabf0dfe2ab9c4182416d6961ae43f1eebee489cf3c960
SHA5126cfdd08729de9ee9d1f5d8fcd859144d32ddc0a9e7074202a7d03d3795bdf0027a074a6aa54f451d4166024c134b27c55c7142170e64d979d86c13801f937ce4
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Filesize
298KB
MD5440ab0269f99fc68bf162ddfaca2e3f9
SHA186751dcc10e457bdcefc02688e0c1ce17ec49153
SHA256893cf074c5bd988ed5d09be9b3877e0a5c208d4b492d1c21b46a720c4e8d494b
SHA512919c837502755d437c8250320791dfb24535a6d4327aef376a88ef11d6823288c774594e8e1225dbc8a6fe672f1c5f3fb0b7d2c05a3b079e35869c1519cad4ba