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| File name: | Doc40323031190.exe |
| Full analysis: | https://app.any.run/tasks/7a461514-393e-4185-84c9-0eda9425da4b |
| Verdict: | Malicious activity |
| Threats: | NanoCore is a Remote Access Trojan or RAT. This malware is highly customizable with plugins which allow attackers to tailor its functionality to their needs. Nanocore is created with the .NET framework and it’s available for purchase for just $25 from its “official” website. |
| Analysis date: | April 01, 2023, 11:26:50 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 58137F8F0A140E5CB05326723364D2D2 |
| SHA1: | DBA225F7F06C06408566FA1F8084EC20AD16E210 |
| SHA256: | 2B56563EB45D2817C958BC4E9AB607385D5E1EEBDBFB7B84D9CCEFF5B5F77A0D |
| SSDEEP: | 6144:kA66yvqwVOBZYcg+Vn0W2Yi0WY/S+aI4bb7GNR60/7ZFiYhztHFKcjvXBbFNcKjl:kqyywVcZY75W2Yi06jbfcb/tZ1vx0ed |
MALICIOUS
Uses Task Scheduler to run other applications
- Doc40323031190.exe (PID: 2040)
Connects to the CnC server
- Doc40323031190.exe (PID: 836)
NANOCORE was detected
- Doc40323031190.exe (PID: 836)
NANOCORE detected by memory dumps
- Doc40323031190.exe (PID: 836)
SUSPICIOUS
Reads the Internet Settings
- Doc40323031190.exe (PID: 2040)
Executable content was dropped or overwritten
- Doc40323031190.exe (PID: 2040)
Application launched itself
- Doc40323031190.exe (PID: 2040)
INFO
The process checks LSA protection
- Doc40323031190.exe (PID: 2040)
- Doc40323031190.exe (PID: 836)
Checks supported languages
- Doc40323031190.exe (PID: 2040)
- Doc40323031190.exe (PID: 836)
Reads the machine GUID from the registry
- Doc40323031190.exe (PID: 2040)
- Doc40323031190.exe (PID: 836)
Reads the computer name
- Doc40323031190.exe (PID: 2040)
- Doc40323031190.exe (PID: 836)
Creates files or folders in the user directory
- Doc40323031190.exe (PID: 2040)
- Doc40323031190.exe (PID: 836)
Create files in a temporary directory
- Doc40323031190.exe (PID: 2040)
Reads product name
- Doc40323031190.exe (PID: 836)
Process checks are UAC notifies on
- Doc40323031190.exe (PID: 836)
Reads Environment values
- Doc40323031190.exe (PID: 836)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Nanocore
(PID) Process(836) Doc40323031190.exe
KeyboardLoggingTrue
BuildTime2023-04-01 06:22:09.164752
Version1.2.2.0
Mutexa37c0b29-615a-4111-a03b-4213f55dda53
DefaultGroupAE
PrimaryConnectionHostnanjuly.duckdns.org
BackupConnectionHostnanjuly.duckdns.org
ConnectionPort2025
RunOnStartupFalse
RequestElevationFalse
BypassUserAccountControlTrue
ClearZoneIdentifierTrue
ClearAccessControlFalse
SetCriticalProcessFalse
PreventSystemSleepTrue
ActivateAwayModeFalse
EnableDebugModeFalse
RunDelay0
ConnectDelay4000
RestartDelay5000
TimeoutInterval5000
KeepAliveTimeout30000
MutexTimeout5000
LanTimeout2500
WanTimeout8000
BufferSize65535
MaxPacketSize10485760
GCThreshold10485760
UseCustomDnsServerTrue
PrimaryDnsServer8.8.8.8
BackupDnsServer8.8.4.4
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (56.7) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (21.3) |
| .scr | | | Windows screen saver (10.1) |
| .dll | | | Win32 Dynamic Link Library (generic) (5) |
| .exe | | | Win32 Executable (generic) (3.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2023:04:01 06:27:21+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 80 |
| CodeSize: | 635904 |
| InitializedDataSize: | 5632 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x9d29a |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | EmojiPins2 |
| FileVersion: | 1.0.0.0 |
| InternalName: | 1KKJjlh.exe |
| LegalCopyright: | Copyright © 2016 |
| LegalTrademarks: | - |
| OriginalFileName: | 1KKJjlh.exe |
| ProductName: | EmojiPins2 |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 01-Apr-2023 06:27:21 |
| Debug artifacts: |
|
| Comments: | - |
| CompanyName: | - |
| FileDescription: | EmojiPins2 |
| FileVersion: | 1.0.0.0 |
| InternalName: | 1KKJjlh.exe |
| LegalCopyright: | Copyright © 2016 |
| LegalTrademarks: | - |
| OriginalFilename: | 1KKJjlh.exe |
| ProductName: | EmojiPins2 |
| ProductVersion: | 1.0.0.0 |
| Assembly Version: | 1.0.0.0 |
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0090 |
| Pages in file: | 0x0003 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x0000 |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x0000 |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x00000080 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 01-Apr-2023 06:27:21 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00002000 | 0x0009B2D0 | 0x0009B400 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.47473 |
.rsrc | 0x0009E000 | 0x000013F4 | 0x00001400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.77505 |
.reloc | 0x000A0000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.00112 | 490 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
31
Monitored processes
3
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2040 | "C:\Users\admin\AppData\Local\Temp\Doc40323031190.exe" | C:\Users\admin\AppData\Local\Temp\Doc40323031190.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: EmojiPins2 Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 1844 | "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VhKotlyA" /XML "C:\Users\admin\AppData\Local\Temp\tmp1C43.tmp" | C:\Windows\SysWOW64\schtasks.exe | — | Doc40323031190.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 836 | "{path}" | C:\Users\admin\AppData\Local\Temp\Doc40323031190.exe | Doc40323031190.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: EmojiPins2 Version: 1.0.0.0 Modules
Nanocore(PID) Process(836) Doc40323031190.exe KeyboardLoggingTrue BuildTime2023-04-01 06:22:09.164752 Version1.2.2.0 Mutexa37c0b29-615a-4111-a03b-4213f55dda53 DefaultGroupAE PrimaryConnectionHostnanjuly.duckdns.org BackupConnectionHostnanjuly.duckdns.org ConnectionPort2025 RunOnStartupFalse RequestElevationFalse BypassUserAccountControlTrue ClearZoneIdentifierTrue ClearAccessControlFalse SetCriticalProcessFalse PreventSystemSleepTrue ActivateAwayModeFalse EnableDebugModeFalse RunDelay0 ConnectDelay4000 RestartDelay5000 TimeoutInterval5000 KeepAliveTimeout30000 MutexTimeout5000 LanTimeout2500 WanTimeout8000 BufferSize65535 MaxPacketSize10485760 GCThreshold10485760 UseCustomDnsServerTrue PrimaryDnsServer8.8.8.8 BackupDnsServer8.8.4.4 | |||||||||||||||
Total events
882
Read events
866
Write events
16
Delete events
0
Modification events
| (PID) Process: | (2040) Doc40323031190.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2040) Doc40323031190.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2040) Doc40323031190.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2040) Doc40323031190.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
Executable files
2
Suspicious files
6
Text files
2
Unknown types
2
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2040 | Doc40323031190.exe | C:\Users\admin\AppData\Roaming\VhKotlyA.exe | executable | |
MD5:58137F8F0A140E5CB05326723364D2D2 | SHA256:2B56563EB45D2817C958BC4E9AB607385D5E1EEBDBFB7B84D9CCEFF5B5F77A0D | |||
| 2040 | Doc40323031190.exe | C:\Users\admin\AppData\Local\Temp\tmp1C43.tmp | xml | |
MD5:0B613BDB23C302785649F7657B4F055F | SHA256:8146D3E3DE400AB531B6B631D9A97B6AA3ADFFB30BC10F4E2E16CDE3DB1D0040 | |||
| 836 | Doc40323031190.exe | C:\Users\admin\AppData\Roaming\EEEB5D54-7880-42A7-B542-739BBC26CF4B\run.dat | binary | |
MD5:AF18BC240DB4B1442EAB6EA0CF9C6117 | SHA256:99F44B32DE4C6327F73880662F164A8C1E37B172246B99B8B308745AAC3FE087 | |||
| 836 | Doc40323031190.exe | C:\Users\admin\AppData\Roaming\EEEB5D54-7880-42A7-B542-739BBC26CF4B\storage.dat | binary | |
MD5:2E52F446105FBF828E63CF808B721F9C | SHA256:2F7479AA2661BD259747BC89106031C11B3A3F79F12190E7F19F5DF65B7C15C8 | |||
| 836 | Doc40323031190.exe | C:\Users\admin\AppData\Roaming\EEEB5D54-7880-42A7-B542-739BBC26CF4B\catalog.dat | bs | |
MD5:9E7D0351E4DF94A9B0BADCEB6A9DB963 | SHA256:AAFC7B40C5FE680A2BB549C3B90AABAAC63163F74FFFC0B00277C6BBFF88B757 | |||
| 836 | Doc40323031190.exe | C:\Users\admin\AppData\Roaming\EEEB5D54-7880-42A7-B542-739BBC26CF4B\settings.bin | binary | |
MD5:4E5E92E2369688041CC82EF9650EDED2 | SHA256:F8098A6290118F2944B9E7C842BD014377D45844379F863B00D54515A8A64B48 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
DNS requests
1
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 185.254.37.72:2025 | nanjuly.duckdns.org | Delis LLC | BG | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
nanjuly.duckdns.org |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potentially Bad Traffic | ET INFO DYNAMIC_DNS Query to a *.duckdns .org Domain |
— | — | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
836 | Doc40323031190.exe | Unknown Classtype | ET MALWARE Possible NanoCore C2 60B |
836 | Doc40323031190.exe | Unknown Classtype | ET MALWARE Possible NanoCore C2 60B |
40 ETPRO signatures available at the full report