Analysis
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max time kernel
121s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
22-05-2024 19:08
Behavioral task
behavioral1
Sample
AntiCheat.exe
Resource
win7-20240419-en
General
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Target
AntiCheat.exe
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Size
65KB
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MD5
ecf14cc5ff0424515577c9a2c5c3f778
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SHA1
d91bdfe875552295fa07bf53da7ea3775b409006
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SHA256
a1715115f4e541c7c69235aa8dc446857e5d6dbc1d4f28c7b4cf72122bad0248
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SHA512
b57df6f7c05573dc0b612dacaf164486e19a0183683a06ef6c01a317bf98e16101cba1dd54c405e09ae0afc1868b42079a52cbbed2e8db8dcaf8f6f6661148b1
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SSDEEP
1536:Vs4ew6fIj+QcTE80/uv2VV4bUOvCCj46oSpy9FfyWXaOe80R5z:OhQbueYbUZyy9F6WqOt0R5z
Malware Config
Extracted
xworm
weeks-deployment.gl.at.ply.gg:56058
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Install_directory
%AppData%
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install_file
System32.exe
Signatures
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Detect Xworm Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2236-1-0x0000000000F20000-0x0000000000F36000-memory.dmp family_xworm -
Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 2876 powershell.exe 2308 powershell.exe 2576 powershell.exe 1260 powershell.exe -
Drops startup file 2 IoCs
Processes:
AntiCheat.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System32.lnk AntiCheat.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System32.lnk AntiCheat.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 2876 powershell.exe 2308 powershell.exe 2576 powershell.exe 1260 powershell.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
AntiCheat.exepowershell.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 2236 AntiCheat.exe Token: SeDebugPrivilege 2876 powershell.exe Token: SeDebugPrivilege 2308 powershell.exe Token: SeDebugPrivilege 2576 powershell.exe Token: SeDebugPrivilege 1260 powershell.exe Token: SeDebugPrivilege 2236 AntiCheat.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
AntiCheat.exedescription pid process target process PID 2236 wrote to memory of 2876 2236 AntiCheat.exe powershell.exe PID 2236 wrote to memory of 2876 2236 AntiCheat.exe powershell.exe PID 2236 wrote to memory of 2876 2236 AntiCheat.exe powershell.exe PID 2236 wrote to memory of 2308 2236 AntiCheat.exe powershell.exe PID 2236 wrote to memory of 2308 2236 AntiCheat.exe powershell.exe PID 2236 wrote to memory of 2308 2236 AntiCheat.exe powershell.exe PID 2236 wrote to memory of 2576 2236 AntiCheat.exe powershell.exe PID 2236 wrote to memory of 2576 2236 AntiCheat.exe powershell.exe PID 2236 wrote to memory of 2576 2236 AntiCheat.exe powershell.exe PID 2236 wrote to memory of 1260 2236 AntiCheat.exe powershell.exe PID 2236 wrote to memory of 1260 2236 AntiCheat.exe powershell.exe PID 2236 wrote to memory of 1260 2236 AntiCheat.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\AntiCheat.exe"C:\Users\Admin\AppData\Local\Temp\AntiCheat.exe"1⤵
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\AntiCheat.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'AntiCheat.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\System32.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'System32.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-msFilesize
7KB
MD5e8060fc81686c88656f2fe1f727cfee9
SHA16e082048482d2f119f459f15b79a23e864711a36
SHA256d4631edf628cac16481f8ba5877e0176b3146d338f0f711036a1eb2cbb47b339
SHA5125e8d30a2d68bca61476d4c65acadff241fc730ad4714fdc1fe2ed05f70bc79c8f0e9efa9521cd6c062aa8abff524aa176b0c992a2a8aff543ad8844e2cc8a2ea
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\??\PIPE\srvsvcMD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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memory/2236-2-0x000007FEF60C0000-0x000007FEF6AAC000-memory.dmpFilesize
9.9MB
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memory/2236-1-0x0000000000F20000-0x0000000000F36000-memory.dmpFilesize
88KB
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memory/2236-0-0x000007FEF60C3000-0x000007FEF60C4000-memory.dmpFilesize
4KB
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memory/2236-32-0x000007FEF60C3000-0x000007FEF60C4000-memory.dmpFilesize
4KB
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memory/2236-33-0x000007FEF60C0000-0x000007FEF6AAC000-memory.dmpFilesize
9.9MB
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memory/2236-34-0x0000000000D30000-0x0000000000D3C000-memory.dmpFilesize
48KB
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memory/2308-15-0x000000001B540000-0x000000001B822000-memory.dmpFilesize
2.9MB
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memory/2308-16-0x0000000001E90000-0x0000000001E98000-memory.dmpFilesize
32KB
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memory/2876-7-0x0000000002CE0000-0x0000000002D60000-memory.dmpFilesize
512KB
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memory/2876-8-0x000000001B540000-0x000000001B822000-memory.dmpFilesize
2.9MB
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memory/2876-9-0x0000000002970000-0x0000000002978000-memory.dmpFilesize
32KB