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Windows Analysis Report P9vxkMpyQ5

Overview

General Information

Sample Name:P9vxkMpyQ5 (renamed file extension from none to exe)
Analysis ID:483682
MD5:4c658db84a58ce7ec0c2f2eb9f14c97c
SHA1:ce119bdee8f67e1aef1e45da57c0bf2e858d3826
SHA256:3bee3f04f56446103684fc76026cfaa5ab39cf206489b2e7c9142ead5a68c738
Tags:32exetrojan
Infos:

Most interesting Screenshot:

Detection

Nanocore
Score:100
Range:0 - 100
Whitelisted:false
Confidence:100%

Signatures

Multi AV Scanner detection for submitted file
Malicious sample detected (through community Yara rule)
Sigma detected: NanoCore
Detected Nanocore Rat
Multi AV Scanner detection for dropped file
Yara detected Nanocore RAT
Protects its processes via BreakOnTermination flag
Machine Learning detection for sample
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Hides that the sample has been downloaded from the Internet (zone.identifier)
Uses 32bit PE files
Queries the volume information (name, serial number etc) of a device
Yara signature match
Antivirus or Machine Learning detection for unpacked file
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
Detected potential crypto function
Stores files to the Windows start menu directory
HTTP GET or POST without a user agent
Uses insecure TLS / SSL version for HTTPS connection
Contains long sleeps (>= 3 min)
Enables debug privileges
Creates a DirectInput object (often for capturing keystrokes)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found inlined nop instructions (likely shell or obfuscated code)
Installs a raw input device (often for capturing keystrokes)
Sample file is different than original file name gathered from version info
Drops PE files
Detected TCP or UDP traffic on non-standard ports
Binary contains a suspicious time stamp
Creates a start menu entry (Start Menu\Programs\Startup)
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
Creates a process in suspended mode (likely to inject code)

Classification

Process Tree

  • System is w10x64
  • P9vxkMpyQ5.exe (PID: 2916 cmdline: 'C:\Users\user\Desktop\P9vxkMpyQ5.exe' MD5: 4C658DB84A58CE7EC0C2F2EB9F14C97C)
    • sys30.exe (PID: 6140 cmdline: 'C:\Users\user\AppData\Local\sys4h57g\sys30.exe' MD5: 4C658DB84A58CE7EC0C2F2EB9F14C97C)
  • sys30.exe (PID: 6692 cmdline: 'C:\Users\user\AppData\Local\sys4h57g\sys30.exe' MD5: 4C658DB84A58CE7EC0C2F2EB9F14C97C)
    • sys30.exe (PID: 7148 cmdline: C:\Users\user\AppData\Local\sys4h57g\sys30.exe MD5: 4C658DB84A58CE7EC0C2F2EB9F14C97C)
      • sys30.exe (PID: 4768 cmdline: 'C:\Users\user\AppData\Local\sys4h57g\sys30.exe' MD5: 4C658DB84A58CE7EC0C2F2EB9F14C97C)
    • sys30s.exe (PID: 776 cmdline: 'C:\Users\user\AppData\Local\Temp\sys30s.exe' MD5: 0E362E7005823D0BEC3719B902ED6D62)
      • sys30s.exe (PID: 5544 cmdline: 'C:\Users\user\AppData\Local\Temp\sys30s.exe' MD5: 0E362E7005823D0BEC3719B902ED6D62)
    • sys30s.exe (PID: 6980 cmdline: 'C:\Users\user\AppData\Local\Temp\sys30s.exe' MD5: 0E362E7005823D0BEC3719B902ED6D62)
      • sys30s.exe (PID: 1676 cmdline: 'C:\Users\user\AppData\Local\Temp\sys30s.exe' MD5: 0E362E7005823D0BEC3719B902ED6D62)
    • sys30s.exe (PID: 2968 cmdline: 'C:\Users\user\AppData\Local\Temp\sys30s.exe' MD5: 0E362E7005823D0BEC3719B902ED6D62)
      • sys30s.exe (PID: 2272 cmdline: 'C:\Users\user\AppData\Local\Temp\sys30s.exe' MD5: 0E362E7005823D0BEC3719B902ED6D62)
    • sys30s.exe (PID: 5840 cmdline: 'C:\Users\user\AppData\Local\Temp\sys30s.exe' MD5: 0E362E7005823D0BEC3719B902ED6D62)
      • sys30s.exe (PID: 6324 cmdline: 'C:\Users\user\AppData\Local\Temp\sys30s.exe' MD5: 0E362E7005823D0BEC3719B902ED6D62)
    • sys30s.exe (PID: 7024 cmdline: 'C:\Users\user\AppData\Local\Temp\sys30s.exe' MD5: 0E362E7005823D0BEC3719B902ED6D62)
      • sys30s.exe (PID: 5788 cmdline: 'C:\Users\user\AppData\Local\Temp\sys30s.exe' MD5: 0E362E7005823D0BEC3719B902ED6D62)
    • sys30s.exe (PID: 4232 cmdline: 'C:\Users\user\AppData\Local\Temp\sys30s.exe' MD5: 0E362E7005823D0BEC3719B902ED6D62)
      • sys30s.exe (PID: 5932 cmdline: 'C:\Users\user\AppData\Local\Temp\sys30s.exe' MD5: 0E362E7005823D0BEC3719B902ED6D62)
    • sys30s.exe (PID: 3448 cmdline: 'C:\Users\user\AppData\Local\Temp\sys30s.exe' MD5: 0E362E7005823D0BEC3719B902ED6D62)
      • sys30s.exe (PID: 7072 cmdline: 'C:\Users\user\AppData\Local\Temp\sys30s.exe' MD5: 0E362E7005823D0BEC3719B902ED6D62)
    • sys30.exe (PID: 5872 cmdline: C:\Users\user\AppData\Local\sys4h57g\sys30.exe MD5: 4C658DB84A58CE7EC0C2F2EB9F14C97C)
    • sys30s.exe (PID: 5244 cmdline: 'C:\Users\user\AppData\Local\Temp\sys30s.exe' MD5: 0E362E7005823D0BEC3719B902ED6D62)
      • sys30s.exe (PID: 6572 cmdline: 'C:\Users\user\AppData\Local\Temp\sys30s.exe' MD5: 0E362E7005823D0BEC3719B902ED6D62)
  • cleanup

Malware Configuration

No configs have been found

Yara Overview

Memory Dumps

SourceRuleDescriptionAuthorStrings
00000005.00000002.641645564.0000000003816000.00000004.00000001.sdmpNanocore_RAT_Gen_2Detetcs the Nanocore RATFlorian Roth
  • 0x10cfd:$x1: NanoCore.ClientPluginHost
  • 0x10d3a:$x2: IClientNetworkHost
  • 0x1486d:$x3: #=qjgz7ljmpp0J7FvL9dmi8ctJILdgtcbw8JYUc6GC8MeJ9B11Crfg2Djxcf0p8PZGe
00000005.00000002.641645564.0000000003816000.00000004.00000001.sdmpJoeSecurity_NanocoreYara detected Nanocore RATJoe Security
    00000005.00000002.641645564.0000000003816000.00000004.00000001.sdmpNanoCoreunknown Kevin Breen <kevin@techanarchy.net>
    • 0x10a65:$a: NanoCore
    • 0x10a75:$a: NanoCore
    • 0x10ca9:$a: NanoCore
    • 0x10cbd:$a: NanoCore
    • 0x10cfd:$a: NanoCore
    • 0x10ac4:$b: ClientPlugin
    • 0x10cc6:$b: ClientPlugin
    • 0x10d06:$b: ClientPlugin
    • 0x10beb:$c: ProjectData
    • 0x115f2:$d: DESCrypto
    • 0x18fbe:$e: KeepAlive
    • 0x16fac:$g: LogClientMessage
    • 0x131a7:$i: get_Connected
    • 0x11928:$j: #=q
    • 0x11958:$j: #=q
    • 0x11974:$j: #=q
    • 0x119a4:$j: #=q
    • 0x119c0:$j: #=q
    • 0x119dc:$j: #=q
    • 0x11a0c:$j: #=q
    • 0x11a28:$j: #=q
    0000000C.00000002.548017544.0000000007160000.00000004.00020000.sdmpNanocore_RAT_Gen_2Detetcs the Nanocore RATFlorian Roth
    • 0x16e3:$x1: NanoCore.ClientPluginHost
    • 0x171c:$x2: IClientNetworkHost
    0000000C.00000002.548017544.0000000007160000.00000004.00020000.sdmpNanocore_RAT_Feb18_1Detects Nanocore RATFlorian Roth
    • 0x16e3:$x2: NanoCore.ClientPluginHost
    • 0x1800:$s4: PipeCreated
    • 0x16fd:$s5: IClientLoggingHost
    Click to see the 89 entries

    Unpacked PEs

    SourceRuleDescriptionAuthorStrings
    12.2.sys30.exe.7180000.28.raw.unpackNanocore_RAT_Gen_2Detetcs the Nanocore RATFlorian Roth
    • 0x2205:$x1: NanoCore.ClientPluginHost
    • 0x223e:$x2: IClientNetworkHost
    12.2.sys30.exe.7180000.28.raw.unpackNanocore_RAT_Feb18_1Detects Nanocore RATFlorian Roth
    • 0x2205:$x2: NanoCore.ClientPluginHost
    • 0x2320:$s4: PipeCreated
    • 0x221f:$s5: IClientLoggingHost
    12.2.sys30.exe.4286c30.18.unpackNanocore_RAT_Gen_2Detetcs the Nanocore RATFlorian Roth
    • 0xd9ad:$x1: NanoCore.ClientPluginHost
    • 0xd9da:$x2: IClientNetworkHost
    12.2.sys30.exe.4286c30.18.unpackNanocore_RAT_Feb18_1Detects Nanocore RATFlorian Roth
    • 0xd9ad:$x2: NanoCore.ClientPluginHost
    • 0xea88:$s4: PipeCreated
    • 0xd9c7:$s5: IClientLoggingHost
    12.2.sys30.exe.4286c30.18.unpackJoeSecurity_NanocoreYara detected Nanocore RATJoe Security