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File name:

DOCUMENTO_CUENTA_DE_COBRO_FACTURAS_PENDIENTES_CARTERA_AGOSTO_2019_ARIZA_FERRETERIA_PARA_PAGO_URGENTExlsx.exe

Full analysis: https://app.any.run/tasks/77422619-d295-47f0-aa0f-d62393009b88
Verdict: Malicious activity
Threats:

njRAT is a remote access trojan. It is one of the most widely accessible RATs on the market that features an abundance of educational information. Interested attackers can even find tutorials on YouTube. This allows it to become one of the most popular RATs in the world.

Analysis date: September 11, 2019, 07:36:48
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
rat
njrat
bladabindi
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

CC76218C179FD819CD94CFE400CBFC68

SHA1:

349D5EA8FF5C3ED7210CE2C243C9391C5F0CA205

SHA256:

80C2942E7CD79B0743B1E10392F8578C7517976B5B1429DF15C684925DF2E471

SSDEEP:

24576:iAHnh+eWsN3skA4RV1Hom2KXMmHatXxIesODFg5:lh+ZkldoPK8YacFcI

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

    • Connects to CnC server

      • RegAsm.exe (PID: 2380)
    • Changes the autorun value in the registry

      • 627b129d-70d6-46ce-93d6-ee74214cb024.exe (PID: 3188)
    • NJRAT was detected

      • RegAsm.exe (PID: 2380)
  • SUSPICIOUS

    No suspicious indicators.
  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (64.6)
.dll | Win32 Dynamic Link Library (generic) (15.4)
.exe | Win32 Executable (generic) (10.5)
.exe | Generic Win/DOS Executable (4.6)
.exe | DOS Executable Generic (4.6)

EXIF

EXE

ProductVersion: 103.488.131.559
ProductName: AuditShD
LegalCopyright: wlrmdr
FileVersion: 208.821.943.369
CompanyName: ddodiag
OriginalFileName: bdeunlock
FileDescription: BackgroundTransferHost
CharacterSet: Unicode
LanguageCode: English (U.S.)
FileSubtype: -
ObjectFileType: Dynamic link library
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x0000
ProductVersionNumber: 1.0.0.0
FileVersionNumber: 1.0.0.0
Subsystem: Windows GUI
SubsystemVersion: 5.1
ImageVersion: -
OSVersion: 5.1
EntryPoint: 0x2800a
UninitializedDataSize: -
InitializedDataSize: 413696
CodeSize: 581632
LinkerVersion: 12
PEType: PE32
TimeStamp: 2019:09:10 15:29:51+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 10-Sep-2019 13:29:51
Detected languages:
  • English - United Kingdom
  • English - United States
  • French - France
FileDescription: BackgroundTransferHost
OriginalFilename: bdeunlock
CompanyName: ddodiag
FileVersion: 208.821.943.369
LegalCopyright: wlrmdr
ProductName: AuditShD
ProductVersion: 103.488.131.559

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: 0x00000110

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 10-Sep-2019 13:29:51
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_LARGE_ADDRESS_AWARE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x0008DFDD
0x0008E000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.67525
.rdata
0x0008F000
0x0002FD8E
0x0002FE00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.76324
.data
0x000BF000
0x00008F74
0x00005200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.19638
.rsrc
0x000C8000
0x00028DBC
0x00028E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.82393
.reloc
0x000F1000
0x00007134
0x00007200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.78396

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.40026
1007
Latin 1 / Western European
English - United Kingdom
RT_MANIFEST
2
2.05883
296
Latin 1 / Western European
English - United Kingdom
RT_ICON
3
2.25499
296
Latin 1 / Western European
English - United Kingdom
RT_ICON
4
1.57433
4264
Latin 1 / Western European
English - United Kingdom
RT_ICON
7
3.34702
1428
Latin 1 / Western European
English - United Kingdom
RT_STRING
8
3.2817
1674
Latin 1 / Western European
English - United Kingdom
RT_STRING
9
3.28849
1168
Latin 1 / Western European
English - United Kingdom
RT_STRING
10
3.28373
1532
Latin 1 / Western European
English - United Kingdom
RT_STRING
11
3.26322
1628
Latin 1 / Western European
English - United Kingdom
RT_STRING
12
3.25812
1126
Latin 1 / Western European
English - United Kingdom
RT_STRING

Imports

ADVAPI32.dll
COMCTL32.dll
COMDLG32.dll
GDI32.dll
IPHLPAPI.DLL
KERNEL32.dll
MPR.dll
OLEAUT32.dll
PSAPI.DLL
SHELL32.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
34
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start 627b129d-70d6-46ce-93d6-ee74214cb024.exe #NJRAT regasm.exe

Process information

PID
CMD
Path
Indicators
Parent process
3188"C:\Users\admin\AppData\Local\Temp\627b129d-70d6-46ce-93d6-ee74214cb024.exe" C:\Users\admin\AppData\Local\Temp\627b129d-70d6-46ce-93d6-ee74214cb024.exe
explorer.exe
User:
admin
Company:
ddodiag
Integrity Level:
MEDIUM
Description:
BackgroundTransferHost
Exit code:
0
Version:
208.821.943.369
2380"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
627b129d-70d6-46ce-93d6-ee74214cb024.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Version:
2.0.50727.5420 (Win7SP1.050727-5400)
Total events
44
Read events
37
Write events
7
Delete events
0

Modification events

(PID) Process:(3188) 627b129d-70d6-46ce-93d6-ee74214cb024.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:0x433A5C417070446174615C4C6F63616C5C54656D705C4C6963656E73696E675549
Value:
C:\AppData\Local\Temp\LicensingUI\RtkAudioService64.bat
(PID) Process:(2380) RegAsm.exeKey:HKEY_CURRENT_USER
Operation:writeName:di
Value:
!
(PID) Process:(2380) RegAsm.exeKey:HKEY_CURRENT_USER\Environment
Operation:writeName:SEE_MASK_NOZONECHECKS
Value:
1
(PID) Process:(2380) RegAsm.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
Operation:writeName:Hidden
Value:
0
(PID) Process:(2380) RegAsm.exeKey:HKEY_CURRENT_USER\Software\Client.exe
Operation:writeName:[kl]
Value:
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

No data
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
2
Threats
0

HTTP requests

No 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
2380
RegAsm.exe
186.85.86.226:4010
tonystark2020.duckdns.org
Telmex Colombia S.A.
CO
malicious

DNS requests

Domain
IP
Reputation
tonystark2020.duckdns.org
  • 186.85.86.226
malicious

Threats

PID
Process
Class
Message
Misc activity
ET INFO DYNAMIC_DNS Query to *.duckdns. Domain
2380
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] njRAT/Bladabindi
2380
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] njRAT.Gen RAT outbound connection
1 ETPRO signatures available at the full report
No debug info