13275b29f7b4c19ab4ea24dce08dbbde2c1effca1879f182259ab865683db665

Analysis

max time kernel
124s
max time network
133s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
28/11/2022, 03:45

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General

Target

IMG1211.dll
Size

1023KB
MD5

b3c29186618199b5d6b85d7fd12a23f6
SHA1

429880937b6b379c41290378d67894d45590027c
SHA256

868eb72051987b281ca0fdba4d93b51a00596c8af170d3d2dc8b3c6d3f695681
SHA512

7b34b41f8e8f12857a6299f693f34718e886d514f27a79b4713f473a060c2cb34215993c33cd8e94bdc6c026c8aebbfab2efb89ff677bfce6a154b2f2a25ce10
SSDEEP

24576:c7F9ZBWkwuvvX7dGiBFceJgTcwvr1vCQrCCUi:2Vp6TTcwv5vCQ2di

Score

5^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1644 set thread context of 968	1644	rundll32.exe	28

Modifies Internet Explorer settings 1 TTPs 34 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376472182"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{162E63F1-6FB8-11ED-A23F-FE41811C61F5} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000001eec8ccdee306f4aa8872e99279a5c7c000000000200000000001066000000010000200000002bacc5472eb979315d89876f460050a30dfea61b27c36594d14dcae08006c18b000000000e80000000020000200000005542bb6fcb37dfb00389d167256eda5e4b85bafc71517d2555ba0f46e7a303f72000000040ef3e9c82caf7872bf89c7d35d2e6d2792adabb41ede57d7cca8148fd90a8b340000000aa79185d537e5aa5d25cc6d39ee64c30060e7b78944af4867abeed0cff3bd168aa9a8f0f25dd628fb536d7253b000d1b16267825062e7dc8a4b1a1fd8adf51c9	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f0c65d06c503d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1500	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1500	iexplore.exe
1500	iexplore.exe
1448	IEXPLORE.EXE
1448	IEXPLORE.EXE
1448	IEXPLORE.EXE
1448	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 1644	1672	rundll32.exe	27
PID 1672 wrote to memory of 1644	1672	rundll32.exe	27
PID 1672 wrote to memory of 1644	1672	rundll32.exe	27
PID 1672 wrote to memory of 1644	1672	rundll32.exe	27
PID 1672 wrote to memory of 1644	1672	rundll32.exe	27
PID 1672 wrote to memory of 1644	1672	rundll32.exe	27
PID 1672 wrote to memory of 1644	1672	rundll32.exe	27
PID 1644 wrote to memory of 968	1644	rundll32.exe	28
PID 1644 wrote to memory of 968	1644	rundll32.exe	28
PID 1644 wrote to memory of 968	1644	rundll32.exe	28
PID 1644 wrote to memory of 968	1644	rundll32.exe	28
PID 1644 wrote to memory of 968	1644	rundll32.exe	28
PID 1644 wrote to memory of 968	1644	rundll32.exe	28
PID 968 wrote to memory of 1500	968	svchost.exe	29
PID 968 wrote to memory of 1500	968	svchost.exe	29
PID 968 wrote to memory of 1500	968	svchost.exe	29
PID 968 wrote to memory of 1500	968	svchost.exe	29
PID 1500 wrote to memory of 1448	1500	iexplore.exe	31
PID 1500 wrote to memory of 1448	1500	iexplore.exe	31
PID 1500 wrote to memory of 1448	1500	iexplore.exe	31
PID 1500 wrote to memory of 1448	1500	iexplore.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\IMG1211.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\IMG1211.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1644
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Windows\system32\svchost.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:968
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://www.java.com/pt_BR/
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1500
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1500 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1448

Network

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
61KB

MD5
3dcf580a93972319e82cafbc047d34d5

SHA1
8528d2a1363e5de77dc3b1142850e51ead0f4b6b

SHA256
40810e31f1b69075c727e6d557f9614d5880112895ff6f4df1767e87ae5640d1

SHA512
98384be7218340f95dae88d1cb865f23a0b4e12855beb6e74a3752274c9b4c601e493864db777bca677a370d0a9dbffd68d94898a82014537f3a801cce839c42

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
ccbc5d365b8ade78f010b62affe0bb83

SHA1
8ec87a2eda77f2b6b7e6c021b4f097878769bb47

SHA256
43b127ccc1083f203f3b3b0c86008bf39cefc5ff3a76f5c9a5f3786376520d07

SHA512
6b5e00e8b083d781fd69e974c54937c8e3d0a26e2c60e27bfeccb7062c861932759d1db3c2c5df56c20b14a9206f308a24b8076889105c556b45d0847406782c

Download Submit
C:\Users\Admin\AppData\Local\Temp\image.gif

Filesize
1KB

MD5
dbdaa836d37b27a4f899cb5dc77f0a7c

SHA1
5496ddd79be367248e25f675130bbd0e70dd9970

SHA256
5df347c2997fa8c7ccac1f1362c767d041d988f752ee52dc70d67a89234d16e3

SHA512
12b9fa8e42950930d65f812169c0e58d6b862273aec10e5a24c656ffbba7f079fa78a2fce5b350845abc558ec86162e1c9b6bceb4c37c3312d6f8d88d4ef79f1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\3Z4AMHD1.txt

Filesize
600B

MD5
0bc7c64c80329fcefe769a118738c573

SHA1
043fbf5adc8c22ad16d733188235f74565ce9fef

SHA256
b2dbcd8ee1e5f926c1ddd11abfac9fc555ed5b188709078608b85669407e94e6

SHA512
8e1ea407e654787a25531584adf65fbb6daaf07973d214150776abfa864bc861e59bda87ec5663e8528a7a458f0b986d29693e8ba5312146322fcec6087b48f1

Download Submit
memory/968-62-0x000000003C040000-0x000000003C09F000-memory.dmp

Filesize
380KB

Download
memory/968-60-0x000000003C040000-0x000000003C09F000-memory.dmp

Filesize
380KB

Download
memory/968-64-0x000000003C040000-0x000000003C09F000-memory.dmp

Filesize
380KB

Download
memory/968-65-0x000000003C040000-0x000000003C09F000-memory.dmp

Filesize
380KB

Download
memory/968-58-0x000000003C040000-0x000000003C09F000-memory.dmp

Filesize
380KB

Download
memory/968-56-0x000000003C040000-0x000000003C09F000-memory.dmp

Filesize
380KB

Download
memory/1644-55-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

Download