download:

bukak.exe

Full analysis: https://app.any.run/tasks/43880e5a-aec6-404c-a946-dcaa2bc27a3e
Verdict: Malicious activity
Analysis date: July 18, 2019, 09:23:17
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
evasion
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

3CEB85BCD9D123FC0D75AEFADE801568

SHA1:

0FA418B298F1BA6EDB4BB8C81535BEAD4DAE3736

SHA256:

DA1B8212A0AA91CA1738B061C81582365194DBD477567E9C33C71DF3602546D9

SSDEEP:

24576:rAHnh+eWsN3skA4RV1Hom2KXMmHalHi0+gnrHszTlM8Z5:Gh+ZkldoPK8YalHggncTlX

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

    • Actions looks like stealing of personal data

      • RegAsm.exe (PID: 3108)

  • SUSPICIOUS

    • Checks for external IP

      • RegAsm.exe (PID: 3108)

  • INFO

    • Reads settings of System Certificates

      • RegAsm.exe (PID: 3108)
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

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2019:07:17 14:46:15+02:00
PEType: PE32
LinkerVersion: 12
CodeSize: 581632
InitializedDataSize: 644096
UninitializedDataSize: -
EntryPoint: 0x2800a
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI
FileVersionNumber: 0.0.0.0
ProductVersionNumber: 0.0.0.0
FileFlagsMask: 0x0000
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (British)
CharacterSet: Unicode

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 17-Jul-2019 12:46:15
Detected languages:
  • English - United Kingdom

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: 17-Jul-2019 12:46:15
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
0x000611B0
0x00061200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.9004
.reloc
0x0012A000
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
3.65355
744
Latin 1 / Western European
English - United Kingdom
RT_ICON
5
3.43704
296
Latin 1 / Western European
English - United Kingdom
RT_ICON
6
4.16139
3752
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

Imports

ADVAPI32.dll
COMCTL32.dll
COMDLG32.dll
GDI32.dll
IPHLPAPI.DLL
KERNEL32.dll
MPR.dll
OLEAUT32.dll
PSAPI.DLL
SHELL32.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
39
Monitored processes
2
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
start bukak.exe no specs regasm.exe

Process information

PID
CMD
Path
Indicators
Parent process
3084"C:\Users\admin\Desktop\bukak.exe" C:\Users\admin\Desktop\bukak.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\desktop\bukak.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\wsock32.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\version.dll
3108"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
bukak.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
4.7.3062.0 built by: NET472REL1
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\regasm.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
Total events
72
Read events
50
Write events
22
Delete events
0

Modification events

(PID) Process:(3108) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3108) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3108) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(3108) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(3108) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(3108) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(3108) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3108) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3108) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASMANCS
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(3108) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASMANCS
Operation:writeName:ConsoleTracingMask
Value:
4294901760
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
1
TCP/UDP connections
4
DNS requests
3
Threats
2

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3108
RegAsm.exe
GET
200
216.239.32.21:80
http://ifconfig.me/ip
US
text
12 b
shared
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3108
RegAsm.exe
216.239.32.21:80
ifconfig.me
Google Inc.
US
whitelisted
3108
RegAsm.exe
149.154.167.220:443
api.telegram.org
Telegram Messenger LLP
GB
malicious
3108
RegAsm.exe
115.124.123.25:587
mail.bootglobal.com
ESDS Software Solution Pvt. Ltd.
IN
malicious

DNS requests

Domain
IP
Reputation
ifconfig.me
  • 216.239.32.21
  • 216.239.34.21
  • 216.239.36.21
  • 216.239.38.21
shared
mail.bootglobal.com
  • 115.124.123.25
malicious
api.telegram.org
  • 149.154.167.220
shared

Threats

PID
Process
Class
Message
3108
RegAsm.exe
Potential Corporate Privacy Violation
ET POLICY External IP Lookup Domain (ifconfig .me)
3108
RegAsm.exe
Potential Corporate Privacy Violation
AV POLICY Internal Host Retrieving External IP Address (ifconfig. me)
No debug info
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Reports
bukak.exe