Analysis
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max time kernel
120s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
22-05-2024 18:43
Behavioral task
behavioral1
Sample
AntiCheat.exe
Resource
win7-20240221-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/1288-1-0x0000000000360000-0x0000000000376000-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 2428 powershell.exe 1496 powershell.exe 2664 powershell.exe 2592 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 2664 powershell.exe 2592 powershell.exe 2428 powershell.exe 1496 powershell.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
AntiCheat.exepowershell.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 1288 AntiCheat.exe Token: SeDebugPrivilege 2664 powershell.exe Token: SeDebugPrivilege 2592 powershell.exe Token: SeDebugPrivilege 2428 powershell.exe Token: SeDebugPrivilege 1496 powershell.exe Token: SeDebugPrivilege 1288 AntiCheat.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
AntiCheat.exedescription pid process target process PID 1288 wrote to memory of 2664 1288 AntiCheat.exe powershell.exe PID 1288 wrote to memory of 2664 1288 AntiCheat.exe powershell.exe PID 1288 wrote to memory of 2664 1288 AntiCheat.exe powershell.exe PID 1288 wrote to memory of 2592 1288 AntiCheat.exe powershell.exe PID 1288 wrote to memory of 2592 1288 AntiCheat.exe powershell.exe PID 1288 wrote to memory of 2592 1288 AntiCheat.exe powershell.exe PID 1288 wrote to memory of 2428 1288 AntiCheat.exe powershell.exe PID 1288 wrote to memory of 2428 1288 AntiCheat.exe powershell.exe PID 1288 wrote to memory of 2428 1288 AntiCheat.exe powershell.exe PID 1288 wrote to memory of 1496 1288 AntiCheat.exe powershell.exe PID 1288 wrote to memory of 1496 1288 AntiCheat.exe powershell.exe PID 1288 wrote to memory of 1496 1288 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
PID:1288 -
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
PID:2664 -
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
PID:2592 -
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
PID:2428 -
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
PID:1496
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-msFilesize
7KB
MD514ed424bf7c15499129bf1008142b73a
SHA10b1818843b521dbe850810b69b568ffea66e16f6
SHA2568d8098e2535013f72ef14a70684ee488029dc95e6aadeeb9c859c8d1f919c09f
SHA5123a2fa41410682c7a5d536f49e99312c9d8442761bb342096b15f5c03796dd970d4e6fa9c413554ded31d068fc082255075b37a51b5982b62129eb12749f684f8
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\??\PIPE\srvsvcMD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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memory/1288-2-0x000007FEF5760000-0x000007FEF614C000-memory.dmpFilesize
9.9MB
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memory/1288-1-0x0000000000360000-0x0000000000376000-memory.dmpFilesize
88KB
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memory/1288-0-0x000007FEF5763000-0x000007FEF5764000-memory.dmpFilesize
4KB
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memory/1288-32-0x0000000000680000-0x000000000068C000-memory.dmpFilesize
48KB
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memory/1288-33-0x000007FEF5763000-0x000007FEF5764000-memory.dmpFilesize
4KB
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memory/1288-34-0x000007FEF5760000-0x000007FEF614C000-memory.dmpFilesize
9.9MB
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memory/2592-15-0x000000001B690000-0x000000001B972000-memory.dmpFilesize
2.9MB
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memory/2592-16-0x0000000001EC0000-0x0000000001EC8000-memory.dmpFilesize
32KB
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memory/2664-7-0x0000000002880000-0x0000000002900000-memory.dmpFilesize
512KB
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memory/2664-8-0x000000001B530000-0x000000001B812000-memory.dmpFilesize
2.9MB
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memory/2664-9-0x00000000026B0000-0x00000000026B8000-memory.dmpFilesize
32KB