fe1e0fda65567771d4bf59fbb26a7c87ae0da1a1792587229ac65edd9d95cdc2

Analysis

max time kernel
122s
max time network
129s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
21/05/2023, 04:22

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General

Target

stage/night1.swf
Size

99KB
MD5

610060c85de104669d3aeee63b613291
SHA1

2893aa1470496a12483554488829cd8f9fd5fc86
SHA256

a5db11a27ade6a5a778c935bd52d0fefa389ff35085d43fccdd4d433747937ac
SHA512

86e4c18eaf5af4e4f80fd723834f3969ef47dba8ba28bf4222670157bc6f45a2ee06def08e18f6d3b1295218763ecdc5e17f179e75dad5d2e591ff4911e117fb
SSDEEP

3072:fFbc71g96aTdsHeMS3z7uuKGgHg4EAmbtyS6Kc/CN0:fUg96SM+yuF4ffS6Kc/CS

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\PhishingFilter	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = 40f75667ad8bd901	iexplore.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{A4346A81-F7A0-11ED-9C4A-C29BF59226D8} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "391415476"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\swf_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.swf\ = "swf_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\swf_auto_file\shell\open\command\ = "\"C:\\Program Files\\Internet Explorer\\iexplore.exe\" %1"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\swf_auto_file\shell\open\command\DelegateExecute = "{17FE9752-0B5A-4665-84CD-569794602F5C}"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\swf_auto_file\shell\open\CommandId = "IE.File"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\swf_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.swf	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\swf_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\swf_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\swf_auto_file\shell\open\command	rundll32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
272	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
272	iexplore.exe
272	iexplore.exe
1988	IEXPLORE.EXE
1988	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 1864	1720	cmd.exe	29
PID 1720 wrote to memory of 1864	1720	cmd.exe	29
PID 1720 wrote to memory of 1864	1720	cmd.exe	29
PID 1864 wrote to memory of 272	1864	rundll32.exe	30
PID 1864 wrote to memory of 272	1864	rundll32.exe	30
PID 1864 wrote to memory of 272	1864	rundll32.exe	30
PID 272 wrote to memory of 1988	272	iexplore.exe	33
PID 272 wrote to memory of 1988	272	iexplore.exe	33
PID 272 wrote to memory of 1988	272	iexplore.exe	33
PID 272 wrote to memory of 1988	272	iexplore.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\stage\night1.swf
1⤵
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\stage\night1.swf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1864
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\stage\night1.swf
    3⤵
    - Modifies Internet Explorer Phishing Filter
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:272
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:272 CREDAT:275457 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1988

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\S7FIT0B8\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\A1PSL9N9.txt

Filesize
606B

MD5
71140a5e0716a8171672d9698d9bed78

SHA1
f167d550e9c2f6c206dd3f528f58061949e3d6fb

SHA256
09f17aae8470218cb16b94d0b05f37d7a84fb277f5c68b98ca994a1e94536cdd

SHA512
24a8771c552fb1efaa7cee52196c1360b7234469cf42c09de789f3b3004d8ae6a95cf2c1c86949cea02d31d43038dfec658983132a2c2abb586b91faf40e3429

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads