168caeccc25258b81c9cc6d43df8de2fd55bb3c9329b7cb423112cd56a5cb6b5

Analysis

max time kernel
119s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25-03-2024 16:59

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General

Target

welcome.html
Size

3KB
MD5

dfcfd01cd1323e88e3c96c5249193f0e
SHA1

7d9969970846c9831d4e158c75db86b56fdb1c89
SHA256

871857877cf47972d457bd74ccab05da31cc58c9eb0471a6e15b97b7d68b8a25
SHA512

cc101c59af5251287c8597db89dbbb90c5323d247bbd4d76b88c2219804d0a77edc180193ac0a13fe9de8a601a1855fccf03cb2b055a6ac902307cf59386c5ad

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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e03044f2d57eda01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{1DCFECE1-EAC9-11EE-8442-DE62917EBCA6} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "417547886"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000002dcc56832ee45b40af0f973e997a3e3e00000000020000000000106600000001000020000000a6d502cf756dfbb73de91ce0882c45d782fc4caebaba2ae7ad6e6d3b4957520f000000000e80000000020000200000007b631e36b6d4f254c31724c32735e9ecf902ab2f878409549c9ca8f8d18cb3ce20000000ffb251ca69f11077e78d373a3bf5495d066ac5caf9d40a94e3d439ad4aafa92f4000000090d53b9a62af6aa7233cbb55b49f757551c378dcdbb97faa6012ab100a5815153009be51962fcd127c36f96cb85514291a2e32dbb9e666ab18bc4ea600f0013d	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2752	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2752	iexplore.exe
2752	iexplore.exe
2880	IEXPLORE.EXE
2880	IEXPLORE.EXE
2880	IEXPLORE.EXE
2880	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 2880	2752	iexplore.exe	28
PID 2752 wrote to memory of 2880	2752	iexplore.exe	28
PID 2752 wrote to memory of 2880	2752	iexplore.exe	28
PID 2752 wrote to memory of 2880	2752	iexplore.exe	28

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:2752
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2752 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

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

Filesize
344B

MD5
a9cb527e40ec8b3c73d784a317c0e320

SHA1
6f1d251bd4295d3acb97b6c5920018aceb57e7a1

SHA256
2ad4768102b2e557d164f9da4169540808d15bd4d03e73dd26f5cd9d7f4edeca

SHA512
5a18c153a2a5172f113c43c60fa33ebb7968c0f8bbcd22cdc06e7123da7f3ee307db8a89a8fbd3f4240344394c736a23d04ddd37e6fdf7a9bad128eeb4384d8f

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

Filesize
344B

MD5
fcae3391e5bb945313f7d652357080bd

SHA1
4ed5704bfa1092710a7edc7a76fdde6361376178

SHA256
34e9b6638f32326a986af2c1de56bc09e950754ade95ea627b20332daef34033

SHA512
50b054893c4d539b42326f60061a473bcf482d0d9e6aeb1e6b0affba06dc33725f38d85b04da5a096f9329e5015b5035b53a6a2a6fbe109ef5279e6227dda1be

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

Filesize
344B

MD5
39d66d8e575caba3fc1edad83314c92c

SHA1
22d26913630554645b1917f0b73a8dc976cf50b0

SHA256
e820df3a19ce8121dc02901a9db56aab10ba168f28e9ad3ddd36c3a3f5ed4885

SHA512
6b9e5d3284378ce318bbc74550ab8420a19bec9fa3277e6fbdc8d025441ea739e7148858ac30d4ea513052615bc3bfaadfebb34b23597a2a329d38bf96643e74

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

Filesize
344B

MD5
c27c9dca0aa67cbb5b17537c0688dff9

SHA1
58f84bba480dcbdce1e192040142e3822b453a73

SHA256
e8e2d5bc4c48ecc5da143200594b1d80e4cc9dd3e99bc82ae8bc001970e13eaa

SHA512
f39780d2029221f8051b09a87d15dcf6e8ef9d85effa35d28d5ef1c3c00496b8c2f4eba4d9b182d296ef9578e36d6b01d90aff3630513503dcfa1b8096cc6f39

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab3D40.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar3EA0.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit