1f86cc19d790eb25789bb0a85cce0a248b1e09e925fabae7b9e3ea849566a71f

Analysis

max time kernel
121s
max time network
152s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01/10/2024, 12:30

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General

Target

welcome.html
Size

3KB
MD5

ec3104b7e51e547453b6f789e6408223
SHA1

86c95e49d962af24b50e6af3b9709848e6a4790b
SHA256

5a3b8e3a8bb4ceca8c76e92ff904bfcce6642d9f25d4cb645bf6f3c6c4994d87
SHA512

216872e4e45139bc68f5e3c65bc41931e2d369e7d94f7faf981e6f19409a0420576c5ccf4305a418346d45d06666df9ba756403239421063403f0deeedbac776

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000b8d48fc8adfa6b4a805f1a4a681aaa6f0000000002000000000010660000000100002000000012d4358486d7e9d5508f5c869d4a2cc285a705d7f02a19ef6146499545a6dc0e000000000e80000000020000200000000106ed420b4b9ec281fc11c06b78676836826f3564a634ada89f48203d2b106a200000001eaea491561d6e488661ab2035b5fcf65fbfcab99d8c364c1a6a9124efc9f14640000000b21f2527c82a4649aa9d5adb727bfb75377a067e57f3527fb28a12e297427cb75bb3ebd1f2a46b3577511044f0f151d38acb644d7606e93b6abbd92dcea20a22	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 805a55befd13db01	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "433947716"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{E9DDD291-7FF0-11EF-AA6E-5A85C185DB3E} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2684	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2684	iexplore.exe
2684	iexplore.exe
2968	IEXPLORE.EXE
2968	IEXPLORE.EXE
2968	IEXPLORE.EXE
2968	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2968	2684	iexplore.exe	31
PID 2684 wrote to memory of 2968	2684	iexplore.exe	31
PID 2684 wrote to memory of 2968	2684	iexplore.exe	31
PID 2684 wrote to memory of 2968	2684	iexplore.exe	31

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\welcome.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2684 CREDAT:275457 /prefetch:2
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab17A.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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C:\Users\Admin\AppData\Local\Temp\Tar2DCA.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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