Analysis
- max time kernel
121s - max time network
116s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:44
General
- Target SecuriteInfo.com.CLASSIC.15436.exe
- Size 420KB
- Sample201109-ed7d4hvzf2
- SHA256 8a6bf2bc00a6d746dd60c82d00c5a226ffda03638cdcc937a0acb090363562ab
Malware Config
Extracted
-
remcos
-
eastsidepapi.myq-see.com:6996
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- ServiceHost packer 8 IoCs
Detects ServiceHost packer used for .NET malware
- Executes dropped EXE 2 IoCs
- Obfuscated with Agile.Net obfuscator 9 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
- Adds Run key to start application 2 TTPs 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Windows directory 1 IoCs
- Program crash 2 IoCs
- Suspicious behavior: EnumeratesProcesses 48 IoCs
- Suspicious use of AdjustPrivilegeToken 10 IoCs
- Suspicious use of WriteProcessMemory 22 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.CLASSIC.15436.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.CLASSIC.15436.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v progmfil /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Local\ftermgr.exe"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\reg.exeREG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v progmfil /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Local\ftermgr.exe"3⤵
- Adds Run key to start application
-
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process C:\Users\Admin\AppData\Local\ftermgr.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\ftermgr.exe"C:\Users\Admin\AppData\Local\ftermgr.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\ftermgr.exe"C:\Users\Admin\AppData\Local\ftermgr.exe"4⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2292 -s 5365⤵
- Drops file in Windows directory
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 228 -s 14884⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/228-30-0x0000000073D50000-0x000000007443E000-memory.dmp
memory/228-39-0x0000000005E20000-0x0000000005E25000-memory.dmp
memory/1144-6-0x0000000005AC0000-0x0000000005AC1000-memory.dmp
memory/1144-0-0x0000000073CB0000-0x000000007439E000-memory.dmp
memory/1144-11-0x00000000059A0000-0x00000000059A2000-memory.dmp
memory/1144-8-0x0000000005DE0000-0x0000000005DE1000-memory.dmp
memory/1144-7-0x0000000005A90000-0x0000000005A92000-memory.dmp
memory/1144-5-0x0000000004FB0000-0x0000000004FB3000-memory.dmp
memory/1144-4-0x0000000005E40000-0x0000000005E41000-memory.dmp
memory/1144-3-0x0000000000F60000-0x0000000000F70000-memory.dmp
memory/1144-1-0x00000000007A0000-0x00000000007A1000-memory.dmp
memory/1156-13-0x0000000073D50000-0x000000007443E000-memory.dmp
memory/1156-18-0x0000000007330000-0x0000000007331000-memory.dmp
memory/1156-24-0x0000000008950000-0x0000000008951000-memory.dmp
memory/1156-23-0x0000000008C90000-0x0000000008C91000-memory.dmp
memory/1156-22-0x0000000007C60000-0x0000000007C61000-memory.dmp
memory/1156-21-0x0000000007E90000-0x0000000007E91000-memory.dmp
memory/1156-20-0x0000000007510000-0x0000000007511000-memory.dmp
memory/1156-19-0x00000000075D0000-0x00000000075D1000-memory.dmp
memory/1156-14-0x0000000004160000-0x0000000004161000-memory.dmp
memory/1156-15-0x0000000006C90000-0x0000000006C91000-memory.dmp
memory/1156-16-0x0000000006BD0000-0x0000000006BD1000-memory.dmp
memory/1156-17-0x00000000074A0000-0x00000000074A1000-memory.dmp
memory/1156-25-0x00000000089E0000-0x00000000089E1000-memory.dmp
memory/1248-46-0x00000000046A0000-0x00000000046A1000-memory.dmp
memory/1248-60-0x0000000005220000-0x0000000005221000-memory.dmp
memory/1628-45-0x0000000004C10000-0x0000000004C11000-memory.dmp
memory/1628-57-0x0000000005590000-0x0000000005591000-memory.dmp
memory/2292-44-0x0000000000590000-0x00000000005B0000-memory.dmp