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tax_first.o

Full analysis: https://app.any.run/tasks/e6e8d9f5-403e-4319-a6e5-c7fa84db27c2
Verdict: Malicious activity
Analysis date: December 02, 2019, 23:59:05
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

E0F042A0826129CF9A66E8976172D606

SHA1:

892BCC90A4FDAB2542ED58B827CDE49308ABC9F2

SHA256:

16AE787049999ACBFF6B5EBFC3A0F19C94F2D7E0C436BF250AAF1A0C037C480A

SSDEEP:

192:0piAKmCNscmQaEI3FY6zFyZE1ZHBvvoC:0piAKOcmQa19zFmEPZw

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

      • tax_first.o.exe (PID: 2136)

  • SUSPICIOUS

    • Starts Internet Explorer

      • tax_first.o.exe (PID: 2136)

  • INFO

    • Changes internet zones settings

      • iexplore.exe (PID: 2812)

    • Reads Internet Cache Settings

      • iexplore.exe (PID: 2528)

    • Application launched itself

      • iexplore.exe (PID: 2812)

    • Reads internet explorer settings

      • iexplore.exe (PID: 2528)
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.) (82.9)
.dll | Win32 Dynamic Link Library (generic) (7.4)
.exe | Win32 Executable (generic) (5.1)
.exe | Generic Win/DOS Executable (2.2)
.exe | DOS Executable Generic (2.2)

EXIF

EXE

AssemblyVersion: 1.0.0.0
ProductVersion: 1.0.0.0
ProductName: hello
OriginalFileName: keyboardsecure.exe
LegalCopyright:
InternalName: keyboardsecure.exe
FileVersion: 1.0.0.0
FileDescription: hello
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 1.0.0.0
FileVersionNumber: 1.0.0.0
Subsystem: Windows command line
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x2ebe
UninitializedDataSize: -
InitializedDataSize: 6144
CodeSize: 4096
LinkerVersion: 11
PEType: PE32
TimeStamp: 2019:12:02 06:52:58+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_CUI
Compilation Date: 02-Dec-2019 05:52:58
Debug artifacts:
  • D:\피싱메일\2. 실행파일\hello\obj\Debug\keyboardsecure.pdb
FileDescription: hello
FileVersion: 1.0.0.0
InternalName: keyboardsecure.exe
LegalCopyright: -
OriginalFilename: keyboardsecure.exe
ProductName: hello
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: 02-Dec-2019 05:52:58
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x00000EC4
0x00001000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.05098
.rsrc
0x00004000
0x00001430
0x00001600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.65893
.reloc
0x00006000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0815394

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.00112
490
UNKNOWN
UNKNOWN
RT_MANIFEST
2
4.33895
2488
UNKNOWN
UNKNOWN
RT_ICON
3
4.93679
1128
UNKNOWN
UNKNOWN
RT_ICON
32512
2.50471
34
UNKNOWN
UNKNOWN
RT_GROUP_ICON

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
38
Monitored processes
3
Malicious processes
0
Suspicious processes
0

Behavior graph

Click at the process to see the details
start tax_first.o.exe iexplore.exe iexplore.exe

Process information

PID
CMD
Path
Indicators
Parent process
2136"C:\Users\admin\AppData\Local\Temp\tax_first.o.exe" C:\Users\admin\AppData\Local\Temp\tax_first.o.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
hello
Exit code:
0
Version:
1.0.0.0
2812"C:\Program Files\Internet Explorer\iexplore.exe" http://tax.redirectme.net/tax_second.o?ARhXARhcC:\Program Files\Internet Explorer\iexplore.exe
tax_first.o.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
2528"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2812 CREDAT:71937C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
Total events
464
Read events
375
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
0
Text files
11
Unknown types
7

Dropped files

PID
Process
Filename
Type
2528iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\MMJ82T3D\tax_second[1].o —
MD5:—
SHA256:—
2812iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\LH043OAM\favicon[1].ico —
MD5:—
SHA256:—
2812iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\I0488CJO\favicon[1].png —
MD5:—
SHA256:—
2812iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico —
MD5:—
SHA256:—
2528iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\7UVPR7F4\final[1].o —
MD5:—
SHA256:—
2812iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\JGRR2OYX\favicon[1].png —
MD5:—
SHA256:—
2528iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\ETOSR821\bu1[1].pngimage
MD5:BB3FED89A770CA9EE9931258BA16304F
SHA256:DEF4E78777CFA4D856E47E6E83EC09BAF7BB971CA1E2DA8C9CB5D1904B12056E
2812iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\History\History.IE5\MSHist012019120220191203\index.datdat
MD5:4AA49484D189453AC39A983443FF7437
SHA256:B00BDE5F137F4B45CAB36F3128F9118F3910C5C44A57270F2BA84B9886DB8293
2528iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\UDJPEBSV\bg2[1].pngimage
MD5:C466D0D7006C59D9634BE964D2EEBBC1
SHA256:5D3F35EDF9B555C1B0629AB85DEC22BDB0FF99CC5BC15BAC44732407CF5838ED
2528iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\index.datdat
MD5:DCC2E99A244BF0EAB0AAAA019C08BF82
SHA256:A041FE4E5560C85EFB7344C2AB996D6D3CBADB8F3F4A57C99696142C855DC699
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
9
TCP/UDP connections
8
DNS requests
2
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2136
tax_first.o.exe
POST
—
211.250.174.126:80
http://tax.redirectme.net/tax_second_post.o
KR
—
—
malicious
2528
iexplore.exe
GET
200
211.250.174.126:80
http://tax.redirectme.net/img/btn1.png
KR
image
2.84 Kb
malicious
2812
iexplore.exe
GET
200
211.250.174.126:80
http://tax.redirectme.net/favicon.ico
KR
image
203 b
malicious
2812
iexplore.exe
GET
200
211.250.174.126:80
http://tax.redirectme.net/favicon.ico
KR
image
203 b
malicious
2528
iexplore.exe
GET
200
211.250.174.126:80
http://tax.redirectme.net/tax_second.o?ARhXARhc
KR
html
3.90 Kb
malicious
2528
iexplore.exe
GET
200
211.250.174.126:80
http://tax.redirectme.net/img/bg2.png
KR
image
17.6 Kb
malicious
2528
iexplore.exe
GET
200
211.250.174.126:80
http://tax.redirectme.net/img/bg3.png
KR
image
25.2 Kb
malicious
2528
iexplore.exe
GET
200
211.250.174.126:80
http://tax.redirectme.net/img/bu1.png
KR
image
928 b
malicious
2528
iexplore.exe
POST
200
211.250.174.126:80
http://tax.redirectme.net/pwd/final.o?ARhXARhc
KR
html
656 b
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2812
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
2136
tax_first.o.exe
211.250.174.126:80
tax.redirectme.net
Korea Telecom
KR
malicious
2528
iexplore.exe
211.250.174.126:80
tax.redirectme.net
Korea Telecom
KR
malicious
2812
iexplore.exe
211.250.174.126:80
tax.redirectme.net
Korea Telecom
KR
malicious

DNS requests

Domain
IP
Reputation
tax.redirectme.net
  • 211.250.174.126
malicious
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted

Threats

PID
Process
Class
Message
—
—
Potentially Bad Traffic
ET POLICY DNS Query to DynDNS Domain *.redirectme .net
2136
tax_first.o.exe
Potentially Bad Traffic
ET INFO HTTP Connection To DDNS Domain Redirectme.net
2136
tax_first.o.exe
A Network Trojan was detected
MALWARE [PTsecurity] KeyboardSecure
2528
iexplore.exe
Potentially Bad Traffic
ET INFO HTTP Connection To DDNS Domain Redirectme.net
2528
iexplore.exe
Potentially Bad Traffic
ET INFO HTTP Connection To DDNS Domain Redirectme.net
2528
iexplore.exe
Potentially Bad Traffic
ET INFO HTTP Connection To DDNS Domain Redirectme.net
2528
iexplore.exe
Potentially Bad Traffic
ET INFO HTTP Connection To DDNS Domain Redirectme.net
2812
iexplore.exe
Potentially Bad Traffic
ET INFO HTTP Connection To DDNS Domain Redirectme.net
2528
iexplore.exe
Potentially Bad Traffic
ET INFO HTTP Connection To DDNS Domain Redirectme.net
2528
iexplore.exe
Potentially Bad Traffic
ET INFO HTTP Connection To DDNS Domain Redirectme.net
1 ETPRO signatures available at the full report
No debug info
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tax_first.o