Analysis
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max time kernel
205s -
max time network
221s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
27-01-2023 12:59
Static task
static1
Behavioral task
behavioral1
Sample
23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
Resource
win10v2004-20221111-en
General
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Target
23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
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Size
477KB
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MD5
447f1d5a645314beb0b1d6b0f2f5119f
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SHA1
23ee744fa24aaada6ab0a81166c2f5466d29d502
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SHA256
850f818aca36188fff35a492275cd63ba81f6e48263faa669fb5e192165f2f92
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SHA512
2a4ed5f9a933ef0330c81672c17623143ee0c3693d6c56c85632c0bac2b7a8fb049bae0af904a1bd2a16db8ac338d78d0928e0edc7f5d866170d25c19407e752
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SSDEEP
3072:N36LY3qIwBzFyIR+DSbhsR2OsHas+8yqB1LuiCx8V8rIiJzQvstptE8z0N:N36hWsHtlLv8EiFES0
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
23ee744fa24aaada6ab0a81166c2f5466d29d502.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
23ee744fa24aaada6ab0a81166c2f5466d29d502.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Sfrdma = "\"C:\\Users\\Admin\\AppData\\Roaming\\Cffvs\\Sfrdma.exe\"" 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 56 api.ipify.org 57 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
23ee744fa24aaada6ab0a81166c2f5466d29d502.exedescription pid process target process PID 1288 set thread context of 2284 1288 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
Processes:
ipconfig.exeipconfig.exepid process 3340 ipconfig.exe 2112 ipconfig.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 4920 powershell.exe 4920 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
23ee744fa24aaada6ab0a81166c2f5466d29d502.exepowershell.exe23ee744fa24aaada6ab0a81166c2f5466d29d502.exedescription pid process Token: SeDebugPrivilege 1288 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe Token: SeDebugPrivilege 4920 powershell.exe Token: SeDebugPrivilege 2284 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
23ee744fa24aaada6ab0a81166c2f5466d29d502.execmd.execmd.exedescription pid process target process PID 1288 wrote to memory of 3028 1288 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe cmd.exe PID 1288 wrote to memory of 3028 1288 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe cmd.exe PID 1288 wrote to memory of 3028 1288 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe cmd.exe PID 3028 wrote to memory of 3340 3028 cmd.exe ipconfig.exe PID 3028 wrote to memory of 3340 3028 cmd.exe ipconfig.exe PID 3028 wrote to memory of 3340 3028 cmd.exe ipconfig.exe PID 1288 wrote to memory of 4920 1288 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe powershell.exe PID 1288 wrote to memory of 4920 1288 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe powershell.exe PID 1288 wrote to memory of 4920 1288 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe powershell.exe PID 1288 wrote to memory of 1484 1288 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe cmd.exe PID 1288 wrote to memory of 1484 1288 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe cmd.exe PID 1288 wrote to memory of 1484 1288 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe cmd.exe PID 1484 wrote to memory of 2112 1484 cmd.exe ipconfig.exe PID 1484 wrote to memory of 2112 1484 cmd.exe ipconfig.exe PID 1484 wrote to memory of 2112 1484 cmd.exe ipconfig.exe PID 1288 wrote to memory of 2284 1288 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe PID 1288 wrote to memory of 2284 1288 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe PID 1288 wrote to memory of 2284 1288 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe PID 1288 wrote to memory of 2284 1288 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe PID 1288 wrote to memory of 2284 1288 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe PID 1288 wrote to memory of 2284 1288 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe PID 1288 wrote to memory of 2284 1288 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe PID 1288 wrote to memory of 2284 1288 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe"C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe"1⤵
- Checks computer location settings
- 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\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig/release2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\ipconfig.exeipconfig /release3⤵
- Gathers network information
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig/renew2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\ipconfig.exeipconfig /renew3⤵
- Gathers network information
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C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exeC:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe2⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe.logFilesize
1KB
MD513b08803e0bb671919478d178f19d6e2
SHA19f8c1d2a16446f9ee1e3244f48d372aecccf4dd9
SHA256bab001392f6a9fc257a302cf557c9f571c7b352f41aedda14b049976ee5fd1c9
SHA5122fe208b9958329734a5c6ce6aa526ee20d2c02d351927e75f85f27c2ffdc3c9e3413c17dc6e0dd9eefc3fb379e936b6bef2984a6e44ffafdc7600f590398016f
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memory/1288-144-0x00000000061B0000-0x0000000006242000-memory.dmpFilesize
584KB
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memory/1288-133-0x0000000006C50000-0x0000000006C72000-memory.dmpFilesize
136KB
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memory/1288-132-0x0000000000F60000-0x0000000000FDC000-memory.dmpFilesize
496KB
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memory/1288-145-0x0000000007F50000-0x00000000084F4000-memory.dmpFilesize
5.6MB
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memory/1484-146-0x0000000000000000-mapping.dmp
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memory/2112-147-0x0000000000000000-mapping.dmp
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memory/2284-149-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/2284-148-0x0000000000000000-mapping.dmp
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memory/3028-134-0x0000000000000000-mapping.dmp
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memory/3340-135-0x0000000000000000-mapping.dmp
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memory/4920-136-0x0000000000000000-mapping.dmp
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memory/4920-143-0x0000000006200000-0x000000000621A000-memory.dmpFilesize
104KB
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memory/4920-142-0x0000000007650000-0x0000000007CCA000-memory.dmpFilesize
6.5MB
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memory/4920-141-0x0000000005D10000-0x0000000005D2E000-memory.dmpFilesize
120KB
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memory/4920-140-0x0000000005380000-0x00000000053E6000-memory.dmpFilesize
408KB
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memory/4920-139-0x0000000005310000-0x0000000005376000-memory.dmpFilesize
408KB
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memory/4920-138-0x0000000004B50000-0x0000000005178000-memory.dmpFilesize
6.2MB
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memory/4920-137-0x00000000020C0000-0x00000000020F6000-memory.dmpFilesize
216KB