Analysis
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max time kernel
151s -
max time network
150s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
20-01-2022 21:03
Static task
static1
Behavioral task
behavioral1
Sample
9618345aad276496e7d33d390a0cdf5e.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
9618345aad276496e7d33d390a0cdf5e.exe
Resource
win10v2004-en-20220112
General
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Target
9618345aad276496e7d33d390a0cdf5e.exe
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Size
322KB
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MD5
9618345aad276496e7d33d390a0cdf5e
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SHA1
49ea625e58a17a1992c767fc7afb137dbfd0419a
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SHA256
dc9ddeb5493a529530acf29a62a5de10bef65ffb22ebea264818058bf9223ae6
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SHA512
9c4d96bba45a6e589d597277d8454a89781a53b0b6419b4f4ef04f02576a424f7efdc5a9c4f5a426742544d6d054b1ab14aebad6a6a6a355c8c3a0345778ca6d
Malware Config
Extracted
bitrat
1.38
20deenero.con-ip.com:3005
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communication_password
202cb962ac59075b964b07152d234b70
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install_dir
AppData
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install_file
chrome.exe
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tor_process
tor
Signatures
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Processes:
resource yara_rule behavioral1/memory/1404-64-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/1404-65-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/1404-66-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/1404-68-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/1404-69-0x0000000000400000-0x00000000007E4000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegAsm.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\chrome = "C:\\Users\\Admin\\AppData\\Local\\AppData\\chrome.exe" RegAsm.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
Processes:
RegAsm.exepid process 1404 RegAsm.exe 1404 RegAsm.exe 1404 RegAsm.exe 1404 RegAsm.exe 1404 RegAsm.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
9618345aad276496e7d33d390a0cdf5e.exedescription pid process target process PID 1460 set thread context of 1404 1460 9618345aad276496e7d33d390a0cdf5e.exe RegAsm.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Runs ping.exe 1 TTPs 5 IoCs
Processes:
PING.EXEPING.EXEPING.EXEPING.EXEPING.EXEpid process 1520 PING.EXE 692 PING.EXE 772 PING.EXE 876 PING.EXE 676 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exe9618345aad276496e7d33d390a0cdf5e.exepid process 588 powershell.exe 1460 9618345aad276496e7d33d390a0cdf5e.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
9618345aad276496e7d33d390a0cdf5e.exepowershell.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 1460 9618345aad276496e7d33d390a0cdf5e.exe Token: SeDebugPrivilege 588 powershell.exe Token: SeDebugPrivilege 1404 RegAsm.exe Token: SeShutdownPrivilege 1404 RegAsm.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
RegAsm.exepid process 1404 RegAsm.exe 1404 RegAsm.exe -
Suspicious use of WriteProcessMemory 35 IoCs
Processes:
9618345aad276496e7d33d390a0cdf5e.exepowershell.exedescription pid process target process PID 1460 wrote to memory of 588 1460 9618345aad276496e7d33d390a0cdf5e.exe powershell.exe PID 1460 wrote to memory of 588 1460 9618345aad276496e7d33d390a0cdf5e.exe powershell.exe PID 1460 wrote to memory of 588 1460 9618345aad276496e7d33d390a0cdf5e.exe powershell.exe PID 1460 wrote to memory of 588 1460 9618345aad276496e7d33d390a0cdf5e.exe powershell.exe PID 588 wrote to memory of 692 588 powershell.exe PING.EXE PID 588 wrote to memory of 692 588 powershell.exe PING.EXE PID 588 wrote to memory of 692 588 powershell.exe PING.EXE PID 588 wrote to memory of 692 588 powershell.exe PING.EXE PID 588 wrote to memory of 772 588 powershell.exe PING.EXE PID 588 wrote to memory of 772 588 powershell.exe PING.EXE PID 588 wrote to memory of 772 588 powershell.exe PING.EXE PID 588 wrote to memory of 772 588 powershell.exe PING.EXE PID 588 wrote to memory of 876 588 powershell.exe PING.EXE PID 588 wrote to memory of 876 588 powershell.exe PING.EXE PID 588 wrote to memory of 876 588 powershell.exe PING.EXE PID 588 wrote to memory of 876 588 powershell.exe PING.EXE PID 588 wrote to memory of 676 588 powershell.exe PING.EXE PID 588 wrote to memory of 676 588 powershell.exe PING.EXE PID 588 wrote to memory of 676 588 powershell.exe PING.EXE PID 588 wrote to memory of 676 588 powershell.exe PING.EXE PID 588 wrote to memory of 1520 588 powershell.exe PING.EXE PID 588 wrote to memory of 1520 588 powershell.exe PING.EXE PID 588 wrote to memory of 1520 588 powershell.exe PING.EXE PID 588 wrote to memory of 1520 588 powershell.exe PING.EXE PID 1460 wrote to memory of 1404 1460 9618345aad276496e7d33d390a0cdf5e.exe RegAsm.exe PID 1460 wrote to memory of 1404 1460 9618345aad276496e7d33d390a0cdf5e.exe RegAsm.exe PID 1460 wrote to memory of 1404 1460 9618345aad276496e7d33d390a0cdf5e.exe RegAsm.exe PID 1460 wrote to memory of 1404 1460 9618345aad276496e7d33d390a0cdf5e.exe RegAsm.exe PID 1460 wrote to memory of 1404 1460 9618345aad276496e7d33d390a0cdf5e.exe RegAsm.exe PID 1460 wrote to memory of 1404 1460 9618345aad276496e7d33d390a0cdf5e.exe RegAsm.exe PID 1460 wrote to memory of 1404 1460 9618345aad276496e7d33d390a0cdf5e.exe RegAsm.exe PID 1460 wrote to memory of 1404 1460 9618345aad276496e7d33d390a0cdf5e.exe RegAsm.exe PID 1460 wrote to memory of 1404 1460 9618345aad276496e7d33d390a0cdf5e.exe RegAsm.exe PID 1460 wrote to memory of 1404 1460 9618345aad276496e7d33d390a0cdf5e.exe RegAsm.exe PID 1460 wrote to memory of 1404 1460 9618345aad276496e7d33d390a0cdf5e.exe RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9618345aad276496e7d33d390a0cdf5e.exe"C:\Users\Admin\AppData\Local\Temp\9618345aad276496e7d33d390a0cdf5e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- 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 cABpAG4AZwAgAHkAYQBoAG8AbwAuAGMAbwBtADsAIABwAGkAbgBnACAAeQBhAGgAbwBvAC4AYwBvAG0AOwBwAGkAbgBnACAAeQBhAGgAbwBvAC4AYwBvAG0AOwBwAGkAbgBnACAAeQBhAGgAbwBvAC4AYwBvAG0AOwBwAGkAbgBnACAAeQBhAGgAbwBvAC4AYwBvAG0AOwA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXE"C:\Windows\system32\PING.EXE" yahoo.com3⤵
- Runs ping.exe
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C:\Windows\SysWOW64\PING.EXE"C:\Windows\system32\PING.EXE" yahoo.com3⤵
- Runs ping.exe
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C:\Windows\SysWOW64\PING.EXE"C:\Windows\system32\PING.EXE" yahoo.com3⤵
- Runs ping.exe
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C:\Windows\SysWOW64\PING.EXE"C:\Windows\system32\PING.EXE" yahoo.com3⤵
- Runs ping.exe
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C:\Windows\SysWOW64\PING.EXE"C:\Windows\system32\PING.EXE" yahoo.com3⤵
- Runs ping.exe
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/588-56-0x0000000002480000-0x0000000002481000-memory.dmpFilesize
4KB
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memory/588-58-0x0000000002482000-0x0000000002484000-memory.dmpFilesize
8KB
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memory/588-57-0x0000000002481000-0x0000000002482000-memory.dmpFilesize
4KB
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memory/1404-66-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3MB
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memory/1404-63-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3MB
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memory/1404-64-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3MB
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memory/1404-65-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3MB
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memory/1404-68-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3MB
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memory/1404-69-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3MB
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memory/1404-70-0x0000000000401000-0x00000000007E4000-memory.dmpFilesize
3MB
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memory/1460-54-0x00000000751B1000-0x00000000751B3000-memory.dmpFilesize
8KB
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memory/1460-59-0x0000000002190000-0x0000000004200000-memory.dmpFilesize
32MB
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memory/1460-60-0x0000000005F70000-0x000000000611E000-memory.dmpFilesize
1MB
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memory/1460-61-0x0000000006120000-0x00000000062B6000-memory.dmpFilesize
1MB
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memory/1460-62-0x0000000004AB0000-0x0000000004AFC000-memory.dmpFilesize
304KB
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memory/1460-53-0x0000000000130000-0x0000000000188000-memory.dmpFilesize
352KB