Analysis
- max time kernel
14s - max time network
112s - platform
windows10_x64 - resource
win10v200722 - submitted
22/10/2020, 06:36
General
- Target 1x40,MC, 910159447-MIRAI Signed.pdf.exe
- Size 403KB
- Sample201022-c8tr3eer2s
- SHA256 fa5850a0ba8809631d4e3f5a3f8cafa133b3d6ae37088eeb934ec13d1bc9f368
Score
10/10
Malware Config
Extracted
Family
-
remcos
C2
-
petroleum.sytes.net:3014
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Drops startup file 1 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1x40,MC, 910159447-MIRAI Signed.pdf.exe"C:\Users\Admin\AppData\Local\Temp\1x40,MC, 910159447-MIRAI Signed.pdf.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵
-
-
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/420-9-0x0000000000400000-0x0000000000412000-memory.dmp
memory/3056-0-0x0000000073FF0000-0x00000000746DE000-memory.dmp
memory/3056-1-0x00000000009F0000-0x00000000009F1000-memory.dmp
memory/3056-3-0x0000000005250000-0x0000000005251000-memory.dmp
memory/3056-4-0x00000000056C0000-0x00000000056E8000-memory.dmp
memory/3384-6-0x0000000000400000-0x0000000000421000-memory.dmp
memory/3384-8-0x0000000000400000-0x0000000000421000-memory.dmp