Analysis
- max time kernel
65s - max time network
112s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:06
General
- Target yessssss.exe
- Size 3.2MB
- Sample201109-l4lbed7nvx
- SHA256 70e9f80716b498dda1e37b46aead3813b85cd526317e508fac5eea0e4ced33f3
Malware Config
Signatures
- NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
- NirSoft MailPassView 4 IoCs
Password recovery tool for various email clients
- Nirsoft 4 IoCs
- Executes dropped EXE 1 IoCs
- Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\yessssss.exe"C:\Users\Admin\AppData\Local\Temp\yessssss.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\yessssss.exe"C:\Users\Admin\AppData\Local\Temp\yessssss.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\yss.exe"C:\Users\Admin\AppData\Local\Temp\yss.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/652-20-0x0000000005650000-0x0000000005651000-memory.dmp
memory/652-10-0x0000000000400000-0x00000000005C8000-memory.dmp
memory/652-19-0x0000000005500000-0x0000000005501000-memory.dmp
memory/652-16-0x0000000005510000-0x0000000005511000-memory.dmp
memory/652-13-0x0000000073360000-0x0000000073A4E000-memory.dmp
memory/1192-24-0x00007FFF46360000-0x00007FFF46D00000-memory.dmp
memory/4768-9-0x00000000063A0000-0x00000000063A1000-memory.dmp
memory/4768-4-0x0000000005910000-0x0000000005911000-memory.dmp
memory/4768-8-0x0000000007B50000-0x0000000007B51000-memory.dmp
memory/4768-7-0x0000000006050000-0x0000000006052000-memory.dmp
memory/4768-6-0x0000000006070000-0x0000000006071000-memory.dmp
memory/4768-0-0x0000000073360000-0x0000000073A4E000-memory.dmp
memory/4768-5-0x00000000054B0000-0x00000000054B2000-memory.dmp
memory/4768-3-0x00000000012E0000-0x00000000012EF000-memory.dmp
memory/4768-1-0x0000000000820000-0x0000000000821000-memory.dmp