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Windows Analysis Report
Circular PSSB Parts Disc Credit Term (Dlr) May12 2022 (1).exe

Overview

General Information

Sample Name:Circular PSSB Parts Disc Credit Term (Dlr) May12 2022 (1).exe
Analysis ID:625814
MD5:717fc8318eb370b1e8ae630af9fe431d
SHA1:842ee97ed218857603188de6831afcc9919addd6
SHA256:6035a6b2488b6c073d4b1cda9c9879e207b73e94c3551624667e59cc8719dd01
Tags:exeNanoCore
Infos:

Detection

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

Signatures

Found malware configuration
Multi AV Scanner detection for submitted file
Malicious sample detected (through community Yara rule)
Sigma detected: NanoCore
Yara detected AntiVM3
Detected Nanocore Rat
Antivirus detection for URL or domain
Yara detected Nanocore RAT
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Machine Learning detection for sample
.NET source code contains potential unpacker
.NET source code contains method to dynamically call methods (often used by packers)
C2 URLs / IPs found in malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Uses dynamic DNS services
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
Checks if Antivirus/Antispyware/Firewall program is installed (via WMI)
Uses code obfuscation techniques (call, push, ret)
Internet Provider seen in connection with other malware
Detected potential crypto function
Creates processes with suspicious names
IP address seen in connection with other malware
Contains long sleeps (>= 3 min)
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Sample file is different than original file name gathered from version info
Detected TCP or UDP traffic on non-standard ports
Creates a process in suspended mode (likely to inject code)

Classification

  • System is w10x64
  • cleanup
{"Version": "1.2.2.0", "Mutex": "fe56abb4-cb76-44f1-89b4-7bb11730", "Group": "Default", "Domain1": "deranano2.ddns.net", "Port": 1187, "KeyboardLogging": "Enable", "RunOnStartup": "Disable", "RequestElevation": "Disable", "BypassUAC": "Disable", "ClearZoneIdentifier": "Enable", "ClearAccessControl": "Disable", "SetCriticalProcess": "Disable", "PreventSystemSleep": "Enable", "ActivateAwayMode": "Disable", "EnableDebugMode": "Disable", "RunDelay": 0, "ConnectDelay": 4000, "RestartDelay": 5000, "TimeoutInterval": 5000, "KeepAliveTimeout": 30000, "MutexTimeout": 5000, "LanTimeout": 2500, "WanTimeout": 8000, "BufferSize": "ffff0000", "MaxPacketSize": "0000a000", "GCThreshold": "0000a000", "UseCustomDNS": "Enable", "PrimaryDNSServer": "8.8.8.8", "BackupDNSServer": "8.8.4.4"}
SourceRuleDescriptionAuthorStrings
00000005.00000000.283132677.0000000000402000.00000040.00000400.00020000.00000000.sdmpNanocore_RAT_Gen_2Detetcs the Nanocore RATFlorian Roth
  • 0xff8d:$x1: NanoCore.ClientPluginHost
  • 0xffca:$x2: IClientNetworkHost
  • 0x13afd:$x3: #=qjgz7ljmpp0J7FvL9dmi8ctJILdgtcbw8JYUc6GC8MeJ9B11Crfg2Djxcf0p8PZGe
00000005.00000000.283132677.0000000000402000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_NanocoreYara detected Nanocore RATJoe Security
    00000005.00000000.283132677.0000000000402000.00000040.00000400.00020000.00000000.sdmpNanoCoreunknown Kevin Breen <kevin@techanarchy.net>
    • 0xfcf5:$a: NanoCore
    • 0xfd05:$a: NanoCore
    • 0xff39:$a: NanoCore
    • 0xff4d:$a: NanoCore
    • 0xff8d:$a: NanoCore
    • 0xfd54:$b: ClientPlugin
    • 0xff56:$b: ClientPlugin
    • 0xff96:$b: ClientPlugin
    • 0xfe7b:$c: ProjectData
    • 0x10882:$d: DESCrypto
    • 0x1824e:$e: KeepAlive
    • 0x1623c:$g: LogClientMessage
    • 0x12437:$i: get_Connected
    • 0x10bb8:$j: #=q
    • 0x10be8:$j: #=q
    • 0x10c04:$j: #=q
    • 0x10c34:$j: #=q
    • 0x10c50:$j: #=q
    • 0x10c6c:$j: #=q
    • 0x10c9c:$j: #=q
    • 0x10cb8:$j: #=q
    00000005.00000000.282158079.0000000000402000.00000040.00000400.00020000.00000000.sdmpNanocore_RAT_Gen_2Detetcs the Nanocore RATFlorian Roth
    • 0xff8d:$x1: NanoCore.ClientPluginHost
    • 0xffca:$x2: IClientNetworkHost
    • 0x13afd:$x3: #=qjgz7ljmpp0J7FvL9dmi8ctJILdgtcbw8JYUc6GC8MeJ9B11Crfg2Djxcf0p8PZGe
    00000005.00000000.282158079.0000000000402000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_NanocoreYara detected Nanocore RATJoe Security
      Click to see the 19 entries
      SourceRuleDescriptionAuthorStrings
      0.2.Circular PSSB Parts Disc Credit Term (Dlr) May12 2022 (1).exe.40a4ec0.8.unpackNanocore_RAT_Gen_2Detetcs the Nanocore RATFlorian Roth
      • 0xe38d:$x1: NanoCore.ClientPluginHost
      • 0xe3ca:$x2: IClientNetworkHost
      • 0x11efd:$x3: #=qjgz7ljmpp0J7FvL9dmi8ctJILdgtcbw8JYUc6GC8MeJ9B11Crfg2Djxcf0p8PZGe
      0.2.Circular PSSB Parts Disc Credit Term (Dlr) May12 2022 (1).exe.40a4ec0.8.unpackNanocore_RAT_Feb18_1Detects Nanocore RATFlorian Roth
      • 0xe105:$x1: NanoCore Client.exe
      • 0xe38d:$x2: NanoCore.ClientPluginHost
      • 0xf9c6:$s1: PluginCommand
      • 0xf9ba:$s2: FileCommand
      • 0x1086b:$s3: PipeExists
      • 0x16622:$s4: PipeCreated
      • 0xe3b7:$s5: IClientLoggingHost
      0.2.Circular PSSB Parts Disc Credit Term (Dlr) May12 2022 (1).exe.40a4ec0.8.unpackJoeSecurity_NanocoreYara detected Nanocore RATJoe Security
        0.2.Circular PSSB Parts Disc Credit Term (Dlr) May12 2022 (1).exe.40a4ec0.8.unpackMALWARE_Win_NanoCoreDetects NanoCoreditekSHen
        • 0xe0f5:$x1: NanoCore Client
        • 0xe105:$x1: NanoCore Client
        • 0xe34d:$x2: NanoCore.ClientPlugin
        • 0xe38d:$x3: NanoCore.ClientPluginHost
        • 0xe342:$i1: IClientApp
        • 0xe363:$i2: IClientData
        • 0xe36f:$i3: IClientNetwork
        • 0xe37e:$i4: IClientAppHost
        • 0xe3a7:$i5: IClientDataHost
        • 0xe3b7:$i6: IClientLoggingHost
        • 0xe3ca:$i7: IClientNetworkHost
        • 0xe3dd:$i8: IClientUIHost
        • 0xe3eb:$i9: IClientNameObjectCollection
        • 0xe407:$i10: IClientReadOnlyNameObjectCollection
        • 0xe154:$s1: ClientPlugin
        • 0xe356:$s1: ClientPlugin
        • 0xe84a:$s2: EndPoint
        • 0xe853:$s3: IPAddress
        • 0xe85d:$s4: IPEndPoint
        • 0x10293:$s6: get_ClientSettings
        • 0x10837:$s7: get_Connected
        0.2.Circular PSSB Parts Disc Credit Term (Dlr) May12 2022 (1).exe.40a4ec0.8.unpackNanoCoreunknown Kevin Breen <kevin@techanarchy.net>
        • 0xe0f5:$a: NanoCore
        • 0xe105:$a: NanoCore
        • 0xe339:$a: NanoCore
        • 0xe34d:$a: NanoCore
        • 0xe38d:$a: NanoCore
        • 0xe154:$b: ClientPlugin
        • 0xe356:$b: ClientPlugin
        • 0xe396:$b: ClientPlugin
        • 0xe27b:$c: ProjectData
        • 0xec82:$d: DESCrypto
        • 0x1664e:$e: KeepAlive
        • 0x1463c:$g: LogClientMessage
        • 0x10837:$i: get_Connected
        • 0xefb8:$j: #=q
        • 0xefe8:$j: #=q
        • 0xf004:$j: #=q
        • 0xf034:$j: #=q
        • 0xf050:$j: #=q
        • 0xf06c:$j: #=q
        • 0xf09c:$j: #=q
        • 0xf0b8:$j: #=q