hxxp://your[.]bestoneshark[.]one/41d1365540a389e[.]png

Analysis

max time kernel
91s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
28/12/2022, 14:37 UTC

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General

Target

http://your.bestoneshark.one/41d1365540a389e.png

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = a0d36379d21ad901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{9F57F1EE-86C5-11ED-AECB-C2DBB15B3A76} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000035348dfa9966794aa56e441a91a6b34800000000020000000000106600000001000020000000e114486bb738f273c5642eabf03db849c0f91a69b9945e63d412c69dd3c55c37000000000e8000000002000020000000077491d7d7201c9a3b70b4e1fc5d41ad51dba6ff31f913ab8dc845a6cea14d0b20000000a5f5b3ab4fc5eb377d639c1c3b01f2a7d7f5a126ed0b95cabc4bf4635e0f730840000000ecd38c04c167d958bea5e57c49607c331b14928c83fe56f743df3e597c05a983ed3ac7968ab4db7c477a2ba6dd9bbf78fcb6799a6341d527d175de8c481d5734	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "379006865"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000035348dfa9966794aa56e441a91a6b34800000000020000000000106600000001000020000000423e7946a5552448c4c67de696c84b76bc7b3f5bdfbd13153bee6ab9c8f54fbd000000000e8000000002000020000000a1f61c7403ad05f118c17f271cbd2f86f94c9abdc71e3ca5c435969d39e4bfb220000000f8bfbfeb3152b5b1762ba14a8a9eac7a056f572c92174f642ae005c91be30467400000001e199269ce32083783138a28d9fc5c7b78854b544c76284cd8a22e3f43edbd43317c626211271bed614b18f643eb2f6b33d5deccaac069dd612db093bf1fd836	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2097841796"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31005394"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2097841796"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31005394"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 0038a479d21ad901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4976	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4976	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4976	iexplore.exe
4976	iexplore.exe
2524	IEXPLORE.EXE
2524	IEXPLORE.EXE
2524	IEXPLORE.EXE
2524	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 2524	4976	iexplore.exe	78
PID 4976 wrote to memory of 2524	4976	iexplore.exe	78
PID 4976 wrote to memory of 2524	4976	iexplore.exe	78

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://your.bestoneshark.one/41d1365540a389e.png
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4976
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4976 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2524

Network

DNS

your.bestoneshark.one

IEXPLORE.EXE

Remote address:

8.8.8.8:53

Request

your.bestoneshark.one

IN A

Response

your.bestoneshark.one

IN A

178.17.170.110
GET

http://your.bestoneshark.one/41d1365540a389e.png

IEXPLORE.EXE

Remote address:

178.17.170.110:80

Request

GET /41d1365540a389e.png HTTP/1.1
Accept: text/html, application/xhtml+xml, image/jxr, */*
Accept-Language: en-US
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko
Accept-Encoding: gzip, deflate
Host: your.bestoneshark.one
Connection: Keep-Alive

Response

HTTP/1.1 200 OK

Date: Wed, 28 Dec 2022 14:38:14 GMT
Server: Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/7.1.33
X-Powered-By: PHP/7.1.33
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Transfer-Encoding: chunked
Content-Type: image/png
GET

http://your.bestoneshark.one/favicon.ico

IEXPLORE.EXE

Remote address:

178.17.170.110:80

Request

GET /favicon.ico HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko
Host: your.bestoneshark.one
Connection: Keep-Alive

Response

HTTP/1.1 200 OK

Date: Wed, 28 Dec 2022 14:38:17 GMT
Server: Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/7.1.33
Last-Modified: Thu, 11 Aug 2016 03:38:52 GMT
ETag: "2fe-539c3812a6b00"
Accept-Ranges: bytes
Content-Length: 766
Keep-Alive: timeout=5, max=99
Connection: Keep-Alive
Content-Type: image/vnd.microsoft.icon

93.184.221.240:80

260 B
5
93.184.220.29:80

322 B
7
95.101.78.82:80

322 B
7
104.80.225.205:443

322 B
7
178.17.170.110:80

http://your.bestoneshark.one/favicon.ico

http

IEXPLORE.EXE

5.8kB
145.4kB
116
108

HTTP Request

GET http://your.bestoneshark.one/41d1365540a389e.png

HTTP Response

200

HTTP Request

GET http://your.bestoneshark.one/favicon.ico

HTTP Response

200
178.17.170.110:80

your.bestoneshark.one

IEXPLORE.EXE

242 B
184 B
5
4
93.184.220.29:80

iexplore.exe

260 B
5
93.184.221.240:80

322 B
7
204.79.197.200:443

ieonline.microsoft.com

tls, http2

iexplore.exe

1.2kB
8.1kB
15
14

8.8.8.8:53

your.bestoneshark.one

dns

IEXPLORE.EXE

67 B
83 B
1
1

DNS Request

your.bestoneshark.one

DNS Response

178.17.170.110

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\z2evvp3\imagestore.dat

Filesize
892B

MD5
db4e47ca6cfebe78b0099fe77532ff18

SHA1
b6fd666ac7cd748396bb28bcdda61321f426cef4

SHA256
b12bfed07866d9585c7a45a60022701e02faaa82c487d12849e4e279746c010f

SHA512
a51979e9f7ae0002807ffe5948dd1c638da7cdd447f4b78daca85ade6bb566bd361066b34d60e9006b804fc6fb9a86530f1ce52c47ebb4ecc450aa9228633588

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

HTTP Request

HTTP Response

HTTP Request

HTTP Response

DNS Request

DNS Response

MITRE ATT&CK Enterprise v6

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Downloads

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