Analysis
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max time kernel
53s -
max time network
56s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
08-06-2023 21:38
Static task
static1
Behavioral task
behavioral1
Sample
chilledwindows.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
chilledwindows.exe
Resource
win10v2004-20230220-en
General
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Target
chilledwindows.exe
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Size
4.4MB
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MD5
6a4853cd0584dc90067e15afb43c4962
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SHA1
ae59bbb123e98dc8379d08887f83d7e52b1b47fc
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SHA256
ccb9502bf8ba5becf8b758ca04a5625c30b79e2d10d2677cc43ae4253e1288ec
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SHA512
feb223e0de9bd64e32dc4f3227e175b58196b5e614bca8c2df0bbca2442a564e39d66bcd465154149dc7ebbd3e1ca644ed09d9a9174b52236c76e7388cb9d996
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SSDEEP
98304:XyDt6K4MJVnjOobt/JN1LA5elHc+S4fRp5UvluKo:XyDtK8bbxn+IHcBEV/F
Malware Config
Signatures
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Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Y: chilledwindows.exe File opened (read-only) \??\I: chilledwindows.exe File opened (read-only) \??\J: chilledwindows.exe File opened (read-only) \??\L: chilledwindows.exe File opened (read-only) \??\N: chilledwindows.exe File opened (read-only) \??\P: chilledwindows.exe File opened (read-only) \??\R: chilledwindows.exe File opened (read-only) \??\S: chilledwindows.exe File opened (read-only) \??\Z: chilledwindows.exe File opened (read-only) \??\B: chilledwindows.exe File opened (read-only) \??\F: chilledwindows.exe File opened (read-only) \??\H: chilledwindows.exe File opened (read-only) \??\M: chilledwindows.exe File opened (read-only) \??\W: chilledwindows.exe File opened (read-only) \??\A: chilledwindows.exe File opened (read-only) \??\E: chilledwindows.exe File opened (read-only) \??\O: chilledwindows.exe File opened (read-only) \??\Q: chilledwindows.exe File opened (read-only) \??\T: chilledwindows.exe File opened (read-only) \??\V: chilledwindows.exe File opened (read-only) \??\G: chilledwindows.exe File opened (read-only) \??\K: chilledwindows.exe File opened (read-only) \??\U: chilledwindows.exe File opened (read-only) \??\X: chilledwindows.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-1013461898-3711306144-4198452673-1000\{1889A49B-0C2E-48EB-B9A0-E50FC4F03BE2} chilledwindows.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 1656 chilledwindows.exe Token: SeCreatePagefilePrivilege 1656 chilledwindows.exe Token: 33 1396 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1396 AUDIODG.EXE Token: SeShutdownPrivilege 1656 chilledwindows.exe Token: SeCreatePagefilePrivilege 1656 chilledwindows.exe Token: SeShutdownPrivilege 1656 chilledwindows.exe Token: SeCreatePagefilePrivilege 1656 chilledwindows.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1656 chilledwindows.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\chilledwindows.exe"C:\Users\Admin\AppData\Local\Temp\chilledwindows.exe"1⤵
- Enumerates connected drives
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1656
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x13c 0x2fc1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1396
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
256KB
MD541e020ee798eceb4ac90cba2142a7a1b
SHA1714ffdf4ddc441ae72c3fb2e4548a8219ad06fb8
SHA25660968b6f285adc7f7347c43815c17a27a383807366f91212b81b17cac20131a8
SHA51229d22703589df058c7f3509ce58f8e2f8fdf1fc2077e0622a796e4f9c17e563994e3cce83d74b5d58d79ae5b335a1e114c86ca7fe149bab10c3656c0acb0ae76
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Filesize
9KB
MD57050d5ae8acfbe560fa11073fef8185d
SHA15bc38e77ff06785fe0aec5a345c4ccd15752560e
SHA256cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
SHA512a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b
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Filesize
3.6MB
MD5698ddcaec1edcf1245807627884edf9c
SHA1c7fcbeaa2aadffaf807c096c51fb14c47003ac20
SHA256cde975f975d21edb2e5faa505205ab8a2c5a565ba1ff8585d1f0e372b2a1d78b
SHA512a2c326f0c653edcd613a3cefc8d82006e843e69afc787c870aa1b9686a20d79e5ab4e9e60b04d1970f07d88318588c1305117810e73ac620afd1fb6511394155