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File name:

k7nblfiv.txt.exe

Full analysis: https://app.any.run/tasks/2e7997a6-c85e-4415-bfae-a560333b97e2
Verdict: Malicious activity
Analysis date: May 20, 2019, 12:11:26
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
MD5:

E9DC058440D321AA17D0600B3CA0AB04

SHA1:

539C228B6B332F5AA523E5CE358C16647D8BBE57

SHA256:

E8A3E804A96C716A3E9B69195DB6FFB0D33E2433AF871E4D4E1EAB3097237173

SSDEEP:

6144:wW3dQfk45aQOVusKHL7G0FJ6KbJLor/XqNjHtBfLptTksD0c2PMM40:FgkOZHvNJ6KbJE/qNBJT/h2PM

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

    • Loads dropped or rewritten executable

      • k7nblfiv.txt.exe (PID: 2884)

    • Changes settings of System certificates

      • k7nblfiv.txt.exe (PID: 2884)

  • SUSPICIOUS

    • Creates or modifies windows services

      • k7nblfiv.txt.exe (PID: 2884)

    • Executable content was dropped or overwritten

      • k7nblfiv.txt.exe (PID: 2884)

    • Adds / modifies Windows certificates

      • k7nblfiv.txt.exe (PID: 2884)

    • Low-level read access rights to disk partition

      • k7nblfiv.txt.exe (PID: 2884)

  • 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 | UPX compressed Win32 Executable (43.5)
.exe | Win32 EXE Yoda's Crypter (42.7)
.exe | Win32 Executable (generic) (7.2)
.exe | Generic Win/DOS Executable (3.2)
.exe | DOS Executable Generic (3.2)

EXIF

EXE

FileVersion: 2, 2, 19882
CharacterSet: Unicode
LanguageCode: Polish
FileSubtype: -
ObjectFileType: Dynamic link library
FileOS: Windows NT 32-bit
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 2.2.19882.0
FileVersionNumber: 2.2.19882.0
Subsystem: Windows GUI
SubsystemVersion: 5
ImageVersion: -
OSVersion: 5
EntryPoint: 0xdb470
UninitializedDataSize: 520192
InitializedDataSize: 8192
CodeSize: 376832
LinkerVersion: 9
PEType: PE32
TimeStamp: 2016:03:11 14:53:14+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 11-Mar-2016 13:53:14

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: 0x00000118

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 11-Mar-2016 13:53:14
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_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
UPX0
0x00001000
0x0007F000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
UPX1
0x00080000
0x0005C000
0x0005B800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.92656
.rsrc
0x000DC000
0x00002000
0x00001400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.47048

Imports

KERNEL32.DLL
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
36
Monitored processes
2
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start k7nblfiv.txt.exe no specs k7nblfiv.txt.exe

Process information

PID
CMD
Path
Indicators
Parent process
1892"C:\Users\admin\AppData\Local\Temp\k7nblfiv.txt.exe" C:\Users\admin\AppData\Local\Temp\k7nblfiv.txt.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Version:
2, 2, 19882
2884"C:\Users\admin\AppData\Local\Temp\k7nblfiv.txt.exe" C:\Users\admin\AppData\Local\Temp\k7nblfiv.txt.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Version:
2, 2, 19882
Total events
104
Read events
87
Write events
17
Delete events
0

Modification events

(PID) Process:(2884) k7nblfiv.txt.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\kxldapob
Operation:writeName:Type
Value:
1
(PID) Process:(2884) k7nblfiv.txt.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\kxldapob
Operation:writeName:ErrorControl
Value:
1
(PID) Process:(2884) k7nblfiv.txt.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\kxldapob
Operation:writeName:Start
Value:
3
(PID) Process:(2884) k7nblfiv.txt.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\kxldapob
Operation:writeName:ImagePath
Value:
\??\C:\Users\admin\AppData\Local\Temp\kxldapob.sys
(PID) Process:(2884) k7nblfiv.txt.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\kxldapob
Operation:writeName:Group
Value:
Base
(PID) Process:(2884) k7nblfiv.txt.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2884) k7nblfiv.txt.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81
Operation:writeName:Blob
Value:
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
(PID) Process:(2884) k7nblfiv.txt.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81
Operation:writeName:Blob
Value:
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
Executable files
10
Suspicious files
12
Text files
0
Unknown types
4

Dropped files

PID
Process
Filename
Type
2884k7nblfiv.txt.exeC:\Users\admin\AppData\Local\Temp\Cab4088.tmp —
MD5:—
SHA256:—
2884k7nblfiv.txt.exeC:\Users\admin\AppData\Local\Temp\Tar4089.tmp —
MD5:—
SHA256:—
2884k7nblfiv.txt.exeC:\Users\admin\AppData\Local\Temp\tmp40F7.tmp —
MD5:—
SHA256:—
2884k7nblfiv.txt.exeC:\Users\admin\AppData\Local\Temp\tmp4117.tmp —
MD5:—
SHA256:—
2884k7nblfiv.txt.exeC:\Users\admin\AppData\Local\Temp\tmp4138.tmp —
MD5:—
SHA256:—
2884k7nblfiv.txt.exeC:\Users\admin\AppData\Local\Temp\tmp4196.tmp —
MD5:—
SHA256:—
2884k7nblfiv.txt.exeC:\Users\admin\AppData\Local\Temp\tmp41D6.tmp —
MD5:—
SHA256:—
2884k7nblfiv.txt.exeC:\Users\admin\AppData\Local\Temp\tmp4215.tmp —
MD5:—
SHA256:—
2884k7nblfiv.txt.exeC:\Users\admin\AppData\Local\Temp\tmp21B.tmp —
MD5:—
SHA256:—
2884k7nblfiv.txt.exeC:\Users\admin\AppData\Local\Temp\tmp289.tmp —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
8
TCP/UDP connections
6
DNS requests
6
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2884
k7nblfiv.txt.exe
GET
200
23.37.43.27:80
http://ocsp.thawte.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQJ1TBLBrQ9OnPHXPVaWb87MxkNlgQUwu79F9f%2Btw%2FGciJ7fvbA4gIz7D4CEH6T6%2Ft8xk5Z6kuad9QG%2FDs%3D
NL
der
1.30 Kb
whitelisted
2884
k7nblfiv.txt.exe
GET
200
23.37.43.27:80
http://ocsp.verisign.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBS56bKHAoUD%2BOyl%2B0LhPg9JxyQm4gQUf9Nlp8Ld7LvwMAnzQzn6Aq8zMTMCEFIA5aolVvwahu2WydRLM8c%3D
NL
der
1.71 Kb
whitelisted
2884
k7nblfiv.txt.exe
GET
200
23.37.43.27:80
http://sf.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTSqZMG5M8TA9rdzkbCnNwuMAd5VgQUz5mp6nsm9EvJjo%2FX8AUm7%2BPSp50CEFbG0met4H9y7rRgO7%2BEzqU%3D
NL
der
1.62 Kb
whitelisted
—
—
GET
200
23.37.43.27:80
http://ts-ocsp.ws.symantec.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRi82PVYYKWGJWdgVNyePy5kYTdqQQUX5r1blzMzHSa1N197z%2Fb7EyALt0CEA7P9DjI%2Fr81bgTYapgbGlA%3D
NL
der
1.43 Kb
whitelisted
2884
k7nblfiv.txt.exe
GET
200
2.16.186.120:80
http://crl.microsoft.com/pki/crl/products/MicrosoftTimeStampPCA.crl
unknown
der
550 b
whitelisted
2884
k7nblfiv.txt.exe
GET
200
2.16.186.120:80
http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl
unknown
der
781 b
whitelisted
2884
k7nblfiv.txt.exe
GET
200
67.27.159.254:80
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
US
compressed
56.1 Kb
whitelisted
2884
k7nblfiv.txt.exe
GET
200
2.16.186.120:80
http://crl.microsoft.com/pki/crl/products/WinPCA.crl
unknown
der
530 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
—
—
23.37.43.27:80
ocsp.verisign.com
Akamai Technologies, Inc.
NL
whitelisted
2884
k7nblfiv.txt.exe
2.16.186.120:80
crl.microsoft.com
Akamai International B.V.
—
whitelisted
2884
k7nblfiv.txt.exe
67.27.159.254:80
www.download.windowsupdate.com
Level 3 Communications, Inc.
US
malicious
2884
k7nblfiv.txt.exe
23.37.43.27:80
ocsp.verisign.com
Akamai Technologies, Inc.
NL
whitelisted

DNS requests

Domain
IP
Reputation
crl.microsoft.com
  • 2.16.186.120
  • 2.16.186.74
whitelisted
www.download.windowsupdate.com
  • 67.27.159.254
  • 8.253.204.120
  • 8.253.204.249
  • 67.27.158.126
  • 8.248.113.254
whitelisted
ocsp.verisign.com
  • 23.37.43.27
whitelisted
sf.symcd.com
  • 23.37.43.27
whitelisted
ocsp.thawte.com
  • 23.37.43.27
whitelisted
ts-ocsp.ws.symantec.com
  • 23.37.43.27
whitelisted

Threats

No threats detected
No debug info
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Reports
k7nblfiv.txt.exe