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File name:

KakaoTalk(PC_ver) Setup.exe

Full analysis: https://app.any.run/tasks/b37ea77f-e000-4356-a70a-ffa851e97075
Verdict: Malicious activity
Analysis date: October 20, 2020, 06:29:36
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
opendir
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

F59F4D5B85CC5EA411BD9B50DB763977

SHA1:

FCAABFC78DA962617585CE64DE270E1256BE1134

SHA256:

1DCEA29C7359D85DC473F300137E7100D18B19486F6852C71274F89C3531DA40

SSDEEP:

49152:zLn7IbQRDku7FPrHsbGdQD0LomCK9EI1yh+a46gzY:H7Vr7FPrHsq2D0smCK9EI1yh+ayY

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

      • KakaoTalk(PC_ver) Setup.exe (PID: 780)

  • SUSPICIOUS

    • Reads Internet Cache Settings

      • KakaoTalk(PC_ver) Setup.exe (PID: 780)

  • 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 | Win32 Executable (generic) (3.6)
.exe | Generic Win/DOS Executable (1.6)
.exe | DOS Executable Generic (1.5)

EXIF

EXE

ProductVersion: 1.1.0.1
OriginalFileName: utildown.exe
InternalName: utildown.exe
FileVersion: 1.1.0.1
FileDescription: utildown
CharacterSet: Unicode
LanguageCode: Korean
FileSubtype: -
ObjectFileType: Executable application
FileOS: Windows NT 32-bit
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 1.1.0.1
FileVersionNumber: 1.1.0.1
Subsystem: Windows GUI
SubsystemVersion: 6
ImageVersion: -
OSVersion: 6
EntryPoint: 0x151398
UninitializedDataSize: -
InitializedDataSize: 643072
CodeSize: 1573376
LinkerVersion: 14.24
PEType: PE32
TimeStamp: 2020:02:13 12:18:41+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 13-Feb-2020 11:18:41
Detected languages:
  • English - United States
  • Korean - Korea
Debug artifacts:
  • F:\WoojaeWork\utildown_VS2019\Release\utildown.pdb
FileDescription: utildown
FileVersion: 1.1.0.1
InternalName: utildown.exe
OriginalFilename: utildown.exe
ProductVersion: 1.1.0.1

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: 5
Time date stamp: 13-Feb-2020 11:18:41
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
0x00001000
0x00180051
0x00180200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.51897
.rdata
0x00182000
0x000573DE
0x00057400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.9879
.data
0x001DA000
0x0000ACE0
0x00005E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.70041
.rsrc
0x001E5000
0x0001CFCC
0x0001D000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.1799
.reloc
0x00202000
0x00022C64
0x00022E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.56478

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.10864
807
Latin 1 / Western European
English - United States
RT_MANIFEST
2
3.52594
1640
Latin 1 / Western European
Korean - Korea
RT_ICON
3
3.83129
744
Latin 1 / Western European
Korean - Korea
RT_ICON
4
3.14704
296
Latin 1 / Western European
Korean - Korea
RT_ICON
5
5.38089
3752
Latin 1 / Western European
Korean - Korea
RT_ICON
6
5.83809
2216
Latin 1 / Western European
Korean - Korea
RT_ICON
7
3.73454
114
Latin 1 / Western European
Korean - Korea
RT_STRING
8
4.90831
9640
Latin 1 / Western European
Korean - Korea
RT_ICON
9
5.26905
4264
Latin 1 / Western European
Korean - Korea
RT_ICON
10
5.03088
1128
Latin 1 / Western European
Korean - Korea
RT_ICON

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
IMM32.dll
KERNEL32.dll
MSIMG32.dll
NETAPI32.dll
OLEACC.dll
OLEAUT32.dll
SHELL32.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
2
Malicious processes
0
Suspicious processes
0

Behavior graph

Click at the process to see the details
start kakaotalk(pc_ver) setup.exe no specs kakaotalk(pc_ver) setup.exe

Process information

PID
CMD
Path
Indicators
Parent process
2516"C:\Users\admin\AppData\Local\Temp\KakaoTalk(PC_ver) Setup.exe" C:\Users\admin\AppData\Local\Temp\KakaoTalk(PC_ver) Setup.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
utildown
Exit code:
3221226540
Version:
1.1.0.1
780"C:\Users\admin\AppData\Local\Temp\KakaoTalk(PC_ver) Setup.exe" C:\Users\admin\AppData\Local\Temp\KakaoTalk(PC_ver) Setup.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Description:
utildown
Version:
1.1.0.1
Total events
26
Read events
17
Write events
9
Delete events
0

Modification events

(PID) Process:(780) KakaoTalk(PC_ver) Setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(780) KakaoTalk(PC_ver) Setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(780) KakaoTalk(PC_ver) Setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(780) KakaoTalk(PC_ver) Setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(780) KakaoTalk(PC_ver) Setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(780) KakaoTalk(PC_ver) Setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(780) KakaoTalk(PC_ver) Setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
Executable files
0
Suspicious files
0
Text files
4
Unknown types
0

Dropped files

PID
Process
Filename
Type
780KakaoTalk(PC_ver) Setup.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\file_info[1].phpxml
MD5:A254239F36AB8755DDB8E9DB983861F1
SHA256:4AB650386596D55D2BE99FA934165E93FBF8C6CBE6002842964DD9653D567832
780KakaoTalk(PC_ver) Setup.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\module[1].txttext
MD5:901FC129F1FFE25C114E2DFC49BA8733
SHA256:AF50CD8F96E7E15B9D7D23E789A651DA55C6045FF4F53F43DDF70CA6A33A74B9
780KakaoTalk(PC_ver) Setup.exeC:\Users\admin\AppData\Local\Temp\autA638.tmpxml
MD5:A254239F36AB8755DDB8E9DB983861F1
SHA256:4AB650386596D55D2BE99FA934165E93FBF8C6CBE6002842964DD9653D567832
780KakaoTalk(PC_ver) Setup.exeC:\Users\admin\AppData\Local\Temp\autA772.tmptext
MD5:901FC129F1FFE25C114E2DFC49BA8733
SHA256:AF50CD8F96E7E15B9D7D23E789A651DA55C6045FF4F53F43DDF70CA6A33A74B9
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
3
DNS requests
5
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
780
KakaoTalk(PC_ver) Setup.exe
GET
200
13.124.78.43:80
http://utildown.com/request_update/new_live.php?mac=12:a9:86:6c:77:de&pcode=1001
KR
—
—
malicious
780
KakaoTalk(PC_ver) Setup.exe
GET
—
114.108.129.22:80
http://down.iconmania.co.kr/setup_icon006_silent.exe
KR
—
—
malicious
780
KakaoTalk(PC_ver) Setup.exe
GET
200
13.124.78.43:80
http://utildown.com/admin/setup/data/utildown/module.txt?mac=12:a9:86:6c:77:de&pcode=1001
KR
text
171 b
malicious
780
KakaoTalk(PC_ver) Setup.exe
GET
200
13.124.78.43:80
http://utildown.com/request_update/file_info.php?file_no=30074PA
KR
xml
238 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
780
KakaoTalk(PC_ver) Setup.exe
114.108.129.22:80
down.iconmania.co.kr
LG DACOM Corporation
KR
malicious
780
KakaoTalk(PC_ver) Setup.exe
13.124.78.43:80
utildown.com
Amazon.com, Inc.
KR
malicious

DNS requests

Domain
IP
Reputation
utildown.com
  • 13.124.78.43
malicious
dns.msftncsi.com
  • 131.107.255.255
shared
down.iconmania.co.kr
  • 114.108.129.22
malicious

Threats

Found threats are available for the paid subscriptions
1 ETPRO signatures available at the full report
No debug info
Interactive malware hunting service ANY.RUN
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ANY.RUN
Reports
KakaoTalk(PC_ver) Setup.exe