Analysis
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max time kernel
143s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
27-09-2022 09:44
Static task
static1
Behavioral task
behavioral1
Sample
tmpg7ppnopp.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
tmpg7ppnopp.exe
Resource
win10v2004-20220812-en
General
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Target
tmpg7ppnopp.exe
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Size
3.2MB
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MD5
6a04f501aeefa67f49287873ca57ca84
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SHA1
213c407002adbf92d2a62a15c4d28b51f62e3e64
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SHA256
9eee24de7c7be7ede485a66d1e21cfcd17abcd05a3b33b34892b58bb2298f4a9
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SHA512
981ad9a3e270b10d39d6189cf4c20437ffd5994cec6437dfb035f88091b872abc644f7ecd01abe6a31ef1cd1aad88161e35ecd5ac15fbf8321e2f6acff6a43b8
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SSDEEP
49152:moBa6TTJk3Uj2F8HXhnFvt4FF9j09MEE2AxRvZrNbptkorPVTNP3s/iuReN:Ro6vJvSurvSvYTAxZZHjsiu8N
Malware Config
Extracted
bitrat
1.38
pedroleonta822.con-ip.com:5020
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communication_password
202cb962ac59075b964b07152d234b70
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tor_process
tor
Signatures
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Processes:
resource yara_rule behavioral1/memory/1712-63-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/1712-65-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/1712-66-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/1712-69-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/1712-68-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/1712-70-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/1712-71-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/1712-73-0x0000000000400000-0x00000000007E4000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
tmpg7ppnopp.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Uyjfuomy\\chrome.exe\"" tmpg7ppnopp.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
InstallUtil.exepid process 1712 InstallUtil.exe 1712 InstallUtil.exe 1712 InstallUtil.exe 1712 InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
tmpg7ppnopp.exedescription pid process target process PID 1880 set thread context of 1712 1880 tmpg7ppnopp.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 516 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exetmpg7ppnopp.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 516 powershell.exe Token: SeDebugPrivilege 1880 tmpg7ppnopp.exe Token: SeDebugPrivilege 1712 InstallUtil.exe Token: SeShutdownPrivilege 1712 InstallUtil.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
InstallUtil.exepid process 1712 InstallUtil.exe 1712 InstallUtil.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
tmpg7ppnopp.exedescription pid process target process PID 1880 wrote to memory of 516 1880 tmpg7ppnopp.exe powershell.exe PID 1880 wrote to memory of 516 1880 tmpg7ppnopp.exe powershell.exe PID 1880 wrote to memory of 516 1880 tmpg7ppnopp.exe powershell.exe PID 1880 wrote to memory of 516 1880 tmpg7ppnopp.exe powershell.exe PID 1880 wrote to memory of 1712 1880 tmpg7ppnopp.exe InstallUtil.exe PID 1880 wrote to memory of 1712 1880 tmpg7ppnopp.exe InstallUtil.exe PID 1880 wrote to memory of 1712 1880 tmpg7ppnopp.exe InstallUtil.exe PID 1880 wrote to memory of 1712 1880 tmpg7ppnopp.exe InstallUtil.exe PID 1880 wrote to memory of 1712 1880 tmpg7ppnopp.exe InstallUtil.exe PID 1880 wrote to memory of 1712 1880 tmpg7ppnopp.exe InstallUtil.exe PID 1880 wrote to memory of 1712 1880 tmpg7ppnopp.exe InstallUtil.exe PID 1880 wrote to memory of 1712 1880 tmpg7ppnopp.exe InstallUtil.exe PID 1880 wrote to memory of 1712 1880 tmpg7ppnopp.exe InstallUtil.exe PID 1880 wrote to memory of 1712 1880 tmpg7ppnopp.exe InstallUtil.exe PID 1880 wrote to memory of 1712 1880 tmpg7ppnopp.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\tmpg7ppnopp.exe"C:\Users\Admin\AppData\Local\Temp\tmpg7ppnopp.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1880 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:516 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1712