URL:

https://www.kakaocorp.com/service/KakaoTalk

Full analysis: https://app.any.run/tasks/82204c2e-2ded-4d73-ae4d-f467f342dea0
Verdict: Malicious activity
Analysis date: May 11, 2021, 05:44:39
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

33F95C04A5A98C60F6A73EB9EC912EA9

SHA1:

2A140010D2DB479654328CBB3F13B40E880FE81F

SHA256:

7FC2B93EC4448D0B0383AAB96870C26C5CDF4FEA730F7E5297E863DCE30970E9

SSDEEP:

3:N8DSLVMgSXAGXqgO:2OLSvAG6gO

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

    • Application was dropped or rewritten from another process

      • KakaoTalk_Setup.exe (PID: 1032)
      • KakaoTalk_Setup.exe (PID: 2896)
      • KakaoTalk.exe (PID: 3936)
      • KakaoTalk.exe (PID: 1704)

    • Changes the autorun value in the registry

      • KakaoTalk_Setup.exe (PID: 1032)
      • KakaoTalk.exe (PID: 1704)

    • Loads dropped or rewritten executable

      • KakaoTalk.exe (PID: 3936)
      • KakaoTalk_Setup.exe (PID: 1032)

  • SUSPICIOUS

    • Drops a file with too old compile date

      • KakaoTalk_Setup.exe (PID: 1032)

    • Creates a software uninstall entry

      • KakaoTalk_Setup.exe (PID: 1032)

    • Drops a file with a compile date too recent

      • KakaoTalk_Setup.exe (PID: 1032)

    • Changes the started page of IE

      • KakaoTalk_Setup.exe (PID: 1032)

    • Changes default file association

      • KakaoTalk_Setup.exe (PID: 1032)

    • Creates files in the user directory

      • KakaoTalk_Setup.exe (PID: 1032)

    • Executable content was dropped or overwritten

      • chrome.exe (PID: 1720)
      • KakaoTalk_Setup.exe (PID: 1032)

    • Application launched itself

      • KakaoTalk.exe (PID: 3936)

    • Drops a file that was compiled in debug mode

      • KakaoTalk_Setup.exe (PID: 1032)

    • Creates a directory in Program Files

      • KakaoTalk_Setup.exe (PID: 1032)

    • Creates files in the program directory

      • KakaoTalk_Setup.exe (PID: 1032)

  • INFO

    • Reads settings of System Certificates

      • chrome.exe (PID: 1720)

    • Application launched itself

      • chrome.exe (PID: 1720)

    • Reads the hosts file

      • chrome.exe (PID: 3136)
      • chrome.exe (PID: 1720)

    • Dropped object may contain Bitcoin addresses

      • KakaoTalk_Setup.exe (PID: 1032)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
57
Monitored processes
15
Malicious processes
2
Suspicious processes
2

Behavior graph

Click at the process to see the details
drop and start drop and start start drop and start chrome.exe chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs kakaotalk_setup.exe no specs kakaotalk_setup.exe kakaotalk.exe no specs kakaotalk.exe

Process information

PID
CMD
Path
Indicators
Parent process
1032"C:\Users\admin\Downloads\KakaoTalk_Setup.exe" C:\Users\admin\Downloads\KakaoTalk_Setup.exe
chrome.exe
User:
admin
Company:
Kakao Corp.
Integrity Level:
HIGH
Description:
KakaoTalk Setup
Exit code:
0
Version:
3.2.6.2748
Modules
Images
c:\users\admin\downloads\kakaotalk_setup.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
1228"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1044,15920962969759892034,12650038701552680529,131072 --enable-features=PasswordImport --lang=en-US --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=17850760862379752608 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2096 /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
1704"C:\Program Files\Kakao\KakaoTalk\KakaoTalk.exe" RelayBYSETUPC:\Program Files\Kakao\KakaoTalk\KakaoTalk.exe
KakaoTalk.exe
User:
admin
Company:
Kakao Corp.
Integrity Level:
MEDIUM
Description:
KakaoTalk
Exit code:
0
Version:
3.2.6.2748
Modules
Images
c:\program files\kakao\kakaotalk\kakaotalk.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\kakao\kakaotalk\vox3.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
1720"C:\Program Files\Google\Chrome\Application\chrome.exe" --disk-cache-dir=null --disk-cache-size=1 --media-cache-size=1 --disable-gpu-shader-disk-cache --disable-background-networking "https://www.kakaocorp.com/service/KakaoTalk"C:\Program Files\Google\Chrome\Application\chrome.exe
explorer.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
1772"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --field-trial-handle=1044,15920962969759892034,12650038701552680529,131072 --enable-features=PasswordImport --lang=en-US --no-sandbox --service-request-channel-token=4748090625933903040 --mojo-platform-channel-handle=1032 /prefetch:8C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
2372"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win32 --annotation=prod=Chrome --annotation=ver=75.0.3770.100 --initial-client-data=0x7c,0x80,0x84,0x78,0x88,0x6eb8a9d0,0x6eb8a9e0,0x6eb8a9ecC:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
2516"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1044,15920962969759892034,12650038701552680529,131072 --enable-features=PasswordImport --lang=en-US --extension-process --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=12125114694710454792 --renderer-client-id=4 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2424 /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
2632"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1044,15920962969759892034,12650038701552680529,131072 --enable-features=PasswordImport --gpu-preferences=KAAAAAAAAADgACAgAQAAAAAAAAAAAGAAAAAAAAAAAAAIAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAFAAAAEAAAAAAAAAAAAAAABgAAABAAAAAAAAAAAQAAAAUAAAAQAAAAAAAAAAEAAAAGAAAA --service-request-channel-token=731419326454321619 --mojo-platform-channel-handle=968 --ignored=" --type=renderer " /prefetch:2C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
2896"C:\Users\admin\Downloads\KakaoTalk_Setup.exe" C:\Users\admin\Downloads\KakaoTalk_Setup.exe—chrome.exe
User:
admin
Company:
Kakao Corp.
Integrity Level:
MEDIUM
Description:
KakaoTalk Setup
Exit code:
3221226540
Version:
3.2.6.2748
Modules
Images
c:\users\admin\downloads\kakaotalk_setup.exe
c:\systemroot\system32\ntdll.dll
3136"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --field-trial-handle=1044,15920962969759892034,12650038701552680529,131072 --enable-features=PasswordImport --lang=en-US --service-sandbox-type=network --service-request-channel-token=1858615551119766045 --mojo-platform-channel-handle=1564 /prefetch:8C:\Program Files\Google\Chrome\Application\chrome.exe
chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
Total events
1 346
Read events
1 241
Write events
102
Delete events
3

Modification events

(PID) Process:(1720) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:failed_count
Value:
0
(PID) Process:(1720) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:state
Value:
2
(PID) Process:(1720) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\ThirdParty
Operation:writeName:StatusCodes
Value:
(PID) Process:(1720) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\ThirdParty
Operation:writeName:StatusCodes
Value:
01000000
(PID) Process:(1720) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:state
Value:
1
(PID) Process:(4020) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BrowserExitCodes
Operation:writeName:1720-13265185489656000
Value:
259
(PID) Process:(1720) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Update\ClientState\{8A69D345-D564-463c-AFF1-A69D9E530F96}
Operation:writeName:dr
Value:
1
(PID) Process:(1720) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome
Operation:writeName:UsageStatsInSample
Value:
0
(PID) Process:(1720) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BrowserExitCodes
Operation:delete valueName:3252-13245750958665039
Value:
0
(PID) Process:(1720) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BrowserExitCodes
Operation:delete valueName:1720-13265185489656000
Value:
259
Executable files
13
Suspicious files
695
Text files
6 160
Unknown types
51

Dropped files

PID
Process
Filename
Type
1720chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\BrowserMetrics\BrowserMetrics-609A19D2-6B8.pma —
MD5:—
SHA256:—
1720chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\2a52e3a4-2864-474c-83ec-e2d19db3a3f6.tmp —
MD5:—
SHA256:—
1720chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\000048.dbtmp —
MD5:—
SHA256:—
1720chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\LOG.oldtext
MD5:—
SHA256:—
1720chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\LOG.oldtext
MD5:—
SHA256:—
1720chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\LOG.oldtext
MD5:—
SHA256:—
1720chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\LOG.old~RF1de9d6.TMPtext
MD5:—
SHA256:—
1720chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\BudgetDatabase\LOG.oldtext
MD5:—
SHA256:—
1720chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\shared_proto_db\LOG.old —
MD5:—
SHA256:—
1720chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\shared_proto_db\LOG.old~RF1debe9.TMP —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
21
DNS requests
18
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1704
KakaoTalk.exe
GET
200
203.238.180.28:80
http://app.pc.kakao.com/talk/win32/patch/patch.txt
KR
text
623 b
malicious
1032
KakaoTalk_Setup.exe
GET
200
211.231.108.75:80
http://start.www.daum.net/startpage/?hcode=D_KAKAOTALK
KR
html
32 b
whitelisted
1032
KakaoTalk_Setup.exe
GET
302
211.231.108.75:80
http://start.tiara.daum.net/startpage/index.html?hcode=D_KAKAOTALK
KR
image
35 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
3136
chrome.exe
211.249.221.27:443
www.kakaocorp.com
DREAMLINE CO.
KR
unknown
3136
chrome.exe
172.217.18.109:443
accounts.google.com
Google Inc.
US
suspicious
3136
chrome.exe
121.53.216.28:443
tv.kakao.com
DREAMLINE CO.
KR
unknown
3136
chrome.exe
211.249.221.246:443
developers.kakao.com
DREAMLINE CO.
KR
suspicious
3136
chrome.exe
2.17.120.104:443
t1.kakaocdn.net
Akamai International B.V.
—
unknown
3136
chrome.exe
211.249.220.83:443
stat.tiara.kakaocorp.com
DREAMLINE CO.
KR
unknown
3136
chrome.exe
113.29.189.143:443
app-pc.kakaocdn.net
Kakao Corp
KR
suspicious
3136
chrome.exe
142.250.185.142:443
sb-ssl.google.com
Google Inc.
US
whitelisted
1032
KakaoTalk_Setup.exe
211.231.108.75:80
start.tiara.daum.net
Kakao Corp
KR
unknown
—
—
142.250.184.227:443
ssl.gstatic.com
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
www.kakaocorp.com
  • 211.249.221.27
unknown
accounts.google.com
  • 172.217.18.109
shared
tv.kakao.com
  • 121.53.216.28
unknown
developers.kakao.com
  • 211.249.221.246
suspicious
t1.daumcdn.net
  • 2.17.121.88
  • 2.17.123.112
whitelisted
t1.kakaocdn.net
  • 2.17.120.104
  • 2.17.120.25
whitelisted
stat.tiara.kakaocorp.com
  • 211.249.220.83
unknown
cdnjs.cloudflare.com
  • 104.16.18.94
  • 104.16.19.94
whitelisted
webid.ad.daum.net
  • 121.53.104.76
whitelisted
ssl.gstatic.com
  • 142.250.184.227
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
https://www.kakaocorp.com/service/KakaoTalk