Analysis
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max time kernel
1795s -
max time network
1801s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
03-03-2023 13:03
Static task
static1
Behavioral task
behavioral1
Sample
b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe
Resource
win10-20230220-en
Behavioral task
behavioral3
Sample
b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe
Resource
win10v2004-20230220-en
General
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Target
b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe
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Size
944KB
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MD5
c962299aa7f1294524a03cb2c7925f14
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SHA1
2c3a73a02cf691248c5ecaa1d2111f9b0c197713
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SHA256
b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66
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SHA512
9dd66ddce441cb20ca296ddc9ba9023c397ef27ca6974fec8f6bd5e0b12167154f91606a1216bc745d7aa8babcf1677c005120b8c56bb4ab8583a3a796f19d7b
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SSDEEP
24576:K5VTOzE3lI8hzkn1L2eEFk/6cXJ/dEI56q2A/Te:IcE1rzk1ahFYXJl75h1/T
Malware Config
Extracted
systembc
31.222.238.58:4280
192.168.1.28:4280
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows\CurrentVersion\Run\SoundTune = "\"C:\\Users\\Admin\\AppData\\Roaming\\Thocsxcxzh\\SoundTune.exe\"" b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exedescription pid process target process PID 852 set thread context of 1616 852 b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe InstallUtil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 1236 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeb05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exedescription pid process Token: SeDebugPrivilege 1236 powershell.exe Token: SeDebugPrivilege 852 b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exedescription pid process target process PID 852 wrote to memory of 1236 852 b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe powershell.exe PID 852 wrote to memory of 1236 852 b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe powershell.exe PID 852 wrote to memory of 1236 852 b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe powershell.exe PID 852 wrote to memory of 1236 852 b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe powershell.exe PID 852 wrote to memory of 1616 852 b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe InstallUtil.exe PID 852 wrote to memory of 1616 852 b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe InstallUtil.exe PID 852 wrote to memory of 1616 852 b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe InstallUtil.exe PID 852 wrote to memory of 1616 852 b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe InstallUtil.exe PID 852 wrote to memory of 1616 852 b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe InstallUtil.exe PID 852 wrote to memory of 1616 852 b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe InstallUtil.exe PID 852 wrote to memory of 1616 852 b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe InstallUtil.exe PID 852 wrote to memory of 1616 852 b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe InstallUtil.exe PID 852 wrote to memory of 1616 852 b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe InstallUtil.exe PID 852 wrote to memory of 1616 852 b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe InstallUtil.exe PID 852 wrote to memory of 1616 852 b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe InstallUtil.exe PID 852 wrote to memory of 1616 852 b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe InstallUtil.exe PID 852 wrote to memory of 1616 852 b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe"C:\Users\Admin\AppData\Local\Temp\b05920b00f2252b5060c6a6b0dbe4df78973754a8044598c65fc7ad60b498e66.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAANQAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/852-54-0x0000000000E10000-0x0000000000F02000-memory.dmpFilesize
968KB
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memory/852-55-0x0000000004D10000-0x0000000004DE8000-memory.dmpFilesize
864KB
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memory/852-56-0x0000000000D40000-0x0000000000DE0000-memory.dmpFilesize
640KB
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memory/852-57-0x0000000004940000-0x0000000004980000-memory.dmpFilesize
256KB
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memory/852-58-0x0000000000420000-0x0000000000426000-memory.dmpFilesize
24KB
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memory/852-63-0x0000000004940000-0x0000000004980000-memory.dmpFilesize
256KB
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memory/1236-61-0x00000000025E0000-0x0000000002620000-memory.dmpFilesize
256KB
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memory/1236-62-0x00000000025E0000-0x0000000002620000-memory.dmpFilesize
256KB
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memory/1616-66-0x0000000000400000-0x0000000000406000-memory.dmpFilesize
24KB
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memory/1616-67-0x0000000000400000-0x0000000000406000-memory.dmpFilesize
24KB
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memory/1616-68-0x0000000000400000-0x0000000000406000-memory.dmpFilesize
24KB
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memory/1616-69-0x0000000000400000-0x0000000000406000-memory.dmpFilesize
24KB
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memory/1616-71-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/1616-70-0x0000000000400000-0x0000000000406000-memory.dmpFilesize
24KB
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memory/1616-72-0x0000000000400000-0x0000000000406000-memory.dmpFilesize
24KB
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memory/1616-74-0x0000000000400000-0x0000000000406000-memory.dmpFilesize
24KB
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memory/1616-75-0x0000000000400000-0x0000000000406000-memory.dmpFilesize
24KB