45aa2cb4ec235f025da8de7aad5c2e2c9d460cd46fa5afc36de94f6c4aab56aa

Analysis

max time kernel
121s
max time network
185s
platform
windows7_x64
resource
win7-20230621-en
resource tags

arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
submitted
30/06/2023, 12:25

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General

Target

About/WinCal.xml
Size

1KB
MD5

bede56a7aef6b3db49ab7d2eb3f2870a
SHA1

bc18289b953a8ac6c0c8e519f72e6adee933ff98
SHA256

1fc29fc668043aa03ffeb2d61868d3369479c3cef2c4725d162cf5344dcbdcfa
SHA512

2bde0a5f1983b08379c262f86aadf8635834674981faf7feb3ebc39b12ece95b21203be82fde2fe88f6a662836374a7ac3d6fb8057d5273923259b3af206a3a6

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000002ddbc2eb40027547a7b75ae262b677ea000000000200000000001066000000010000200000001bd671b2babbc8a1b4f6f93e8a7f2ed71ec096a93ed2126e9f42f007839cbaff000000000e80000000020000200000009f20ac2eb6ad303b1e3a2d328d942dd775b7973d88a467ab5d0992f5dadeddca200000000a37793cca3181264a4ffbdc921330a197e2788c17a681defc31588760bf8753400000001c5ca6a9f4740b2100b4cd41ee8ddf97ffe7ba818f8a56988ad7c0f2e035d38916b141c72026dc76ed3adc099667cb63d7ccff2c95b4b55d8014cfbe3f516405	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "394893615"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\SearchScopes	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 801c48b84fabd901	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{DB157911-1742-11EE-9D3F-529E7E5E5956} = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
888	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
888	IEXPLORE.EXE
888	IEXPLORE.EXE
1108	IEXPLORE.EXE
1108	IEXPLORE.EXE
1108	IEXPLORE.EXE
1108	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 668	1376	MSOXMLED.EXE	29
PID 1376 wrote to memory of 668	1376	MSOXMLED.EXE	29
PID 1376 wrote to memory of 668	1376	MSOXMLED.EXE	29
PID 1376 wrote to memory of 668	1376	MSOXMLED.EXE	29
PID 668 wrote to memory of 888	668	iexplore.exe	30
PID 668 wrote to memory of 888	668	iexplore.exe	30
PID 668 wrote to memory of 888	668	iexplore.exe	30
PID 668 wrote to memory of 888	668	iexplore.exe	30
PID 888 wrote to memory of 1108	888	IEXPLORE.EXE	31
PID 888 wrote to memory of 1108	888	IEXPLORE.EXE	31
PID 888 wrote to memory of 1108	888	IEXPLORE.EXE	31
PID 888 wrote to memory of 1108	888	IEXPLORE.EXE	31

C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\About\WinCal.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe" -nohome
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:668
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE" -nohome
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:888
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:888 CREDAT:275457 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1108

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\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\IESQQ4SH\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab2772.tmp

Filesize
62KB

MD5
3ac860860707baaf32469fa7cc7c0192

SHA1
c33c2acdaba0e6fa41fd2f00f186804722477639

SHA256
d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

SHA512
d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar27C3.tmp

Filesize
164KB

MD5
4ff65ad929cd9a367680e0e5b1c08166

SHA1
c0af0d4396bd1f15c45f39d3b849ba444233b3a2

SHA256
c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

SHA512
f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\9CIP9W4A.txt

Filesize
606B

MD5
9d20161711cf54888245658403325ed3

SHA1
6dbcc5b1126ec6bf21bc1c61eb3b026c1ad579eb

SHA256
fcdebd6d75c5692f7b6e1cbdff6bb7a8a85411f70e262c9152a5e273d32d004a

SHA512
9fc69304456307f4f5a724e9924e8616fb975a7ee303048df712794b9f4280c930d9970bad06621349603a728a5f1e73ade6301db7e923cfb8e0aafc9110c1ba

Download Submit