File name:

Jarv_temp.exe

Full analysis: https://app.any.run/tasks/689a8207-4498-4057-a1b2-8de7d8beab09
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.

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Analysis date: May 20, 2022, 16:34:08
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
nanocore
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

E63006528BB86CB5CE58CB9FDE2456AB

SHA1:

B89F557DAB79018C1EBDE1B81F343B5F079B9F5F

SHA256:

FD248CE6E1F27E891DFB8BDC316AF787C1FA01DE25CE7B72E06E807F51F5F9A0

SSDEEP:

6144:y9ddata6dtJmakIM5lgCpVBVl30m8A2CSFixQfDekIM5:y9ddatpmkcgqv3ftEFnfDA

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Changes the autorun value in the registry

      • Jarv_temp.exe (PID: 2884)
      • Jarv_temp.exe (PID: 752)
      • Jarv_temp.exe (PID: 3852)
      • Jarv_temp.exe (PID: 3340)
      • Jarv_temp.exe (PID: 4044)
      • Jarv_temp.exe (PID: 3052)
      • Jarv_temp.exe (PID: 2212)

    • NANOCORE was detected

      • Jarv_temp.exe (PID: 2884)

    • Drops executable file immediately after starts

      • Jarv_temp.exe (PID: 2884)

  • SUSPICIOUS

    • Checks supported languages

      • Jarv_temp.exe (PID: 2884)
      • Jarv_temp.exe (PID: 752)
      • Jarv_temp.exe (PID: 3208)
      • Jarv_temp.exe (PID: 3852)
      • Jarv_temp.exe (PID: 3872)
      • Jarv_temp.exe (PID: 2372)
      • Jarv_temp.exe (PID: 2412)
      • Jarv_temp.exe (PID: 3340)
      • Jarv_temp.exe (PID: 3700)
      • Jarv_temp.exe (PID: 1196)
      • Jarv_temp.exe (PID: 3176)
      • Jarv_temp.exe (PID: 3052)
      • Jarv_temp.exe (PID: 2192)
      • Jarv_temp.exe (PID: 2212)
      • Jarv_temp.exe (PID: 4044)
      • Jarv_temp.exe (PID: 3372)
      • Jarv_temp.exe (PID: 2892)

    • Creates files in the user directory

      • Jarv_temp.exe (PID: 2884)

    • Drops a file with a compile date too recent

      • Jarv_temp.exe (PID: 2884)

    • Executable content was dropped or overwritten

      • Jarv_temp.exe (PID: 2884)

    • Reads the computer name

      • Jarv_temp.exe (PID: 2884)
      • Jarv_temp.exe (PID: 752)
      • Jarv_temp.exe (PID: 3340)
      • Jarv_temp.exe (PID: 3852)
      • Jarv_temp.exe (PID: 3208)
      • Jarv_temp.exe (PID: 2412)
      • Jarv_temp.exe (PID: 2372)
      • Jarv_temp.exe (PID: 3872)
      • Jarv_temp.exe (PID: 3700)
      • Jarv_temp.exe (PID: 1196)
      • Jarv_temp.exe (PID: 4044)
      • Jarv_temp.exe (PID: 3052)
      • Jarv_temp.exe (PID: 2212)
      • Jarv_temp.exe (PID: 2192)
      • Jarv_temp.exe (PID: 3176)
      • Jarv_temp.exe (PID: 3372)
      • Jarv_temp.exe (PID: 2892)

    • Application launched itself

      • Jarv_temp.exe (PID: 2884)
      • Jarv_temp.exe (PID: 3340)
      • Jarv_temp.exe (PID: 752)
      • Jarv_temp.exe (PID: 3852)
      • Jarv_temp.exe (PID: 2212)
      • Jarv_temp.exe (PID: 3052)
      • Jarv_temp.exe (PID: 4044)

    • Reads the date of Windows installation

      • taskmgr.exe (PID: 3732)

  • INFO

    • Manual execution by user

      • Jarv_temp.exe (PID: 3340)
      • taskmgr.exe (PID: 3732)
      • Jarv_temp.exe (PID: 3052)

    • Reads the computer name

      • taskmgr.exe (PID: 3732)
      • msconfig.exe (PID: 2308)

    • Checks supported languages

      • taskmgr.exe (PID: 3732)
      • msconfig.exe (PID: 2308)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (49)
.exe | Win32 Executable MS Visual C++ (generic) (20.8)
.exe | Win64 Executable (generic) (18.5)
.dll | Win32 Dynamic Link Library (generic) (4.4)
.exe | Win32 Executable (generic) (3)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x1e792
UninitializedDataSize: -
InitializedDataSize: 90112
CodeSize: 192512
LinkerVersion: 6
PEType: PE32
TimeStamp: 2015:02:22 01:49:37+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 22-Feb-2015 00:49:37

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: 4
Time date stamp: 22-Feb-2015 00:49:37
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00038000
0x000126F0
0x00012800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.51169
.reloc
0x00020000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191
.rsrc
0x00022000
0x00015D88
0x00015E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.99754

Resources

Title
Entropy
Size
Codepage
Language
Type
1
7.99775
89392
Latin 1 / Western European
UNKNOWN
RT_RCDATA

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
56
Monitored processes
20
Malicious processes
4
Suspicious processes
3

Behavior graph

Click at the process to see the details
drop and start drop and start start #NANOCORE jarv_temp.exe jarv_temp.exe jarv_temp.exe no specs jarv_temp.exe no specs jarv_temp.exe no specs jarv_temp.exe jarv_temp.exe jarv_temp.exe no specs jarv_temp.exe no specs jarv_temp.exe no specs taskmgr.exe no specs msconfig.exe no specs msconfig.exe jarv_temp.exe jarv_temp.exe no specs jarv_temp.exe jarv_temp.exe no specs jarv_temp.exe jarv_temp.exe no specs jarv_temp.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
752"C:\Users\admin\Desktop\Jarv_temp.exe" C:\Users\admin\Desktop\Jarv_temp.exe
Jarv_temp.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\desktop\jarv_temp.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
1196"C:\Users\admin\Desktop\Jarv_temp.exe" C:\Users\admin\Desktop\Jarv_temp.exe—Jarv_temp.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\desktop\jarv_temp.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
2192"C:\Users\admin\Desktop\Jarv_temp.exe" C:\Users\admin\Desktop\Jarv_temp.exe—Jarv_temp.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\desktop\jarv_temp.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
2212"C:\Users\admin\Desktop\Jarv_temp.exe" C:\Users\admin\Desktop\Jarv_temp.exe
Jarv_temp.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221225547
Modules
Images
c:\users\admin\desktop\jarv_temp.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
2308"C:\Windows\system32\msconfig.exe" C:\Windows\system32\msconfig.exe
taskmgr.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
System Configuration Utility
Exit code:
20
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\msconfig.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sechost.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
2372"C:\Users\admin\Desktop\Jarv_temp.exe" C:\Users\admin\Desktop\Jarv_temp.exe—Jarv_temp.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\desktop\jarv_temp.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
2412"C:\Users\admin\Desktop\Jarv_temp.exe" C:\Users\admin\Desktop\Jarv_temp.exe—Jarv_temp.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\desktop\jarv_temp.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
2884"C:\Users\admin\Desktop\Jarv_temp.exe" C:\Users\admin\Desktop\Jarv_temp.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221225547
Modules
Images
c:\users\admin\desktop\jarv_temp.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll
2892"C:\Users\admin\Desktop\Jarv_temp.exe" C:\Users\admin\Desktop\Jarv_temp.exe—Jarv_temp.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\desktop\jarv_temp.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
3052"C:\Users\admin\Desktop\Jarv_temp.exe" C:\Users\admin\Desktop\Jarv_temp.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\desktop\jarv_temp.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
Total events
5 170
Read events
5 040
Write events
130
Delete events
0

Modification events

(PID) Process:(2884) Jarv_temp.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:TCP Monitor
Value:
C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exe
(PID) Process:(2884) Jarv_temp.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(2884) Jarv_temp.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(2884) Jarv_temp.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(2884) Jarv_temp.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(752) Jarv_temp.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:TCP Monitor
Value:
C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exe
(PID) Process:(752) Jarv_temp.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(752) Jarv_temp.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(752) Jarv_temp.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(752) Jarv_temp.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
Executable files
1
Suspicious files
2
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
2884Jarv_temp.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dattext
MD5:—
SHA256:—
2884Jarv_temp.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\Exceptions\1.2.2.0\f6b437f36f744621a48ca74127c34fb9.datbinary
MD5:—
SHA256:—
2884Jarv_temp.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exeexecutable
MD5:—
SHA256:—
2884Jarv_temp.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\Exceptions\1.2.2.0\559f8b3957544a9a00da40784247c9d5.datbinary
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

No data

DNS requests

No data

Threats

No threats detected
No debug info
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Reports
Jarv_temp.exe