486028ce4ee8bd6759bf30f710cb9322991de798c4ee38f0474ccc427da4048c

Analysis

max time kernel
137s
max time network
136s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
25-03-2024 18:09

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General

Target

class_url.htm
Size

2B
MD5

81051bcc2cf1bedf378224b0a93e2877
SHA1

ba8ab5a0280b953aa97435ff8946cbcbb2755a27
SHA256

7eb70257593da06f682a3ddda54a9d260d4fc514f645237f5ca74b08f8da61a6
SHA512

1b302a2f1e624a5fb5ad94ddc4e5f8bfd74d26fa37512d0e5face303d8c40eee0d0ffa3649f5da43f439914d128166cb6c4774a7caa3b174d7535451eb697b5d

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80d4039adf7eda01	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{C51D3EE1-EAD2-11EE-B2B9-F2E0C23F7503} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "417552019"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000a529a2e22ae42f4084bf8a2f7b0415b200000000020000000000106600000001000020000000fa5c048a7c51ddf85d91f65128e0277560474b5e212fa3d5b9bfe0830e2735ea000000000e8000000002000020000000ff60b39e86e77a212178d30764323c3fbbfdf210a7cf246ced979076901ddb4c200000007f54943344c96b76f918edcc668e4d5db71462779e69182572da5ce86b9356e940000000d510f9ff032e947069de7b534ed45e84943135cedff48fb65fac3c9df2e0655bcb160ff3c822ca4a8855302bdc6ecf40000d0edab2fcca3b324a6ded71328e8a	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2112	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2112	iexplore.exe
2112	iexplore.exe
2208	IEXPLORE.EXE
2208	IEXPLORE.EXE
2208	IEXPLORE.EXE
2208	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2208	2112	iexplore.exe	28
PID 2112 wrote to memory of 2208	2112	iexplore.exe	28
PID 2112 wrote to memory of 2208	2112	iexplore.exe	28
PID 2112 wrote to memory of 2208	2112	iexplore.exe	28

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\class_url.htm
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2112 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2208

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\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
65ba3a8af57f109d4caa05bcb1379fc6

SHA1
46bad937945bc6cdca0d45512aeabd157bbedb90

SHA256
2793497c3db327edb6008bc3f19f065b5efe62e0c345d2aeef95a8bdeab327cd

SHA512
a44c787b83da380692b51ce60bf3e215c4da9303a412255bcce6de9aa3dd2c9d4cb1057d728be8e6bba5a50e20de11bb6e2e31ea0e4e857b98380142124d8273

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

Filesize
344B

MD5
a9c8f21f3115d0feed2081c13c33f475

SHA1
e50f81ae9031f4357e043b019a66cbf5fce3f00b

SHA256
aec6eb919fdd997d2723ab6457f02c906730f1708f40bc43b7240b40575ccbdc

SHA512
b92de6aa2692a7f771bd838d288b6781833d1b11da6befa6ef8a3dc55608550bdd65bdc940ac3d9e90421042481108a13e0c802a5ee714128c2a698028b23a09

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

Filesize
344B

MD5
b4ae8bc9a35a4799ab95f75d808e5475

SHA1
80d6748b5c0d098f87434120f63672840664d822

SHA256
4568d1d7a95f9e9d0f9856df0c9babd24cb0439b6060e471c59740f53d00ceb0

SHA512
734efa4350e89be861b91a81e3b2b1d36958bc7a06e17b01b46e77a6658b3623de8403202da1dbaf54bf8c36d342722f328d9e6ea817763bb98f6de2ebe35614

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

Filesize
344B

MD5
6f53df2cc2f95d69201a36863a7afd18

SHA1
7e5411f95b63a188471a30a3cef7a34678c449bf

SHA256
c824654083f2627d2a51b5e979549ae6b2a6eaa121a59bbaee9c17940d68de78

SHA512
2c4ee7697c75fdc28ebcba7053d6d6c6892419f628cc36cac7c5f8b835fd559601f47520255e9ed3faa70b8ec0daaaf987666fb89cbc4bc2bb27710e1225c4dc

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

Filesize
344B

MD5
02acb3b33c7a8766fb3c96acaff051cb

SHA1
9bf1e57efac3f162aedbee5c2069c85609d78cc0

SHA256
17b2d33c466d9fb8d3325e295c4d9b5a572dbb297719762592b3777dde9e954a

SHA512
09da75654370ada2a3225e24e43fa123178dd2bbeb03201b08fc6d156849122f0fe90ed54962486840a6730187beffef8577e8779d24c14dce50424ab350ccfd

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

Filesize
344B

MD5
ffa0e1ddbadf54db56badf681bdfc06f

SHA1
0dac8cc552ec8fa2e2e437ec0ba30c138ad4c2bb

SHA256
7df5759232cb24babc228f840744c331bef2707f887b8ac845003ce69cc91f43

SHA512
9a86378fd0678f2e42e7dbb4be7dde9fb6b71765ff978ee4ed596f08bec3b4b66926901b1b73f4b5a6992e519d1c208cdcd1d00dc0890101e19f0af6dec8bac0

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

Filesize
344B

MD5
7b82bc6cdecb14980025fb14b3eb7855

SHA1
fe0d0b2c84367d4f8d3573329c27a5343daac28b

SHA256
cce1b90d7a45e3ca8488b763ea6b4a66d37f8bce9640177439ced532e736f2a0

SHA512
28c5028c251379a1675ff51de9a661a8022ef32212616327c8387403cbc3e8e8afea01daa3f32b92ef309148eab4d9cb575cfee5ca958f61135c7774e78f0710

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

Filesize
344B

MD5
863b952564fc51e46dae2ac49f45127d

SHA1
4d786ce6c44782d8d4ac67cb3d90fe0bdde4d0e0

SHA256
cf4d0f1a306aa1502b15f081d6c58de76c0a12555e264fcdfab4d6209038909f

SHA512
ad121bce62e08358050be897bbc01a3ee7d1bcc13d1826761d5a7ee09f5d48d6bdc92ea3c1837e57889ef651572ec45a79dfabd2ef486b73a977805fe4c9dbb4

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

Filesize
344B

MD5
198bc7085678c8f3434e0d90c8cddf30

SHA1
43d1843b621de2fd9a1b12d8ceb98908116c69fb

SHA256
ac2796b200e23f5d0244edbe0ec713cac896dc1c776f64d1f44b837d10237745

SHA512
8bc36a672e78f854a0aef25414629e3f81288f4b10c7b8938d67eb9ebad3c7363d753ecc32f6525d573abb2dd7459509b51ffba8dce5cc9ab7c41162f3f748d2

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

Filesize
344B

MD5
80588fa51068ad43d70f8776bbcc3f10

SHA1
8bf21e819d623043b3023da4c1c69bd897a87d0d

SHA256
16836c9f460f4ca623944f9bd8dcb6753f83cd9675e145c52f557eafeaee0f2a

SHA512
b274cdd9993f0cc2bfad6f4c6bd6a646e2eeb5fda95fc60cac28d49971d583f2da5f0776190d77c00f5bc430ef0107887a1b4e47f55e4e2955e031a057c5cd66

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

Filesize
344B

MD5
6bc7b8e43612edfbe91f06eef5b86a97

SHA1
f45ca3f64d7060074aaa038be9efab11c4abbbf8

SHA256
d7858c206705cf6447d35a034493ce0e30c3aa25d8d51b614d70b32eac99d021

SHA512
34196a4360df67e061181a85602fdc9d7fc9e0c6aa6c0d966c1560ffc488e423c5151fa01b27e1ac917fd456884cac52df96783ae3d515cd0d137f20d57e97ed

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

Filesize
344B

MD5
2b0897cc581a9f66d0d6329420d149d3

SHA1
ca1366b221c67a2fa66b9ccd70e460a8f1db0342

SHA256
e69b9f2416a4acf017f9295ef6b85813d8377f674d6cc14142f3740393b48b25

SHA512
faebb1318d391472afe328ec28632fd4c00961cb4150599cab8208e87439ac72eaf7baf42a9848529f1ec1044d11b4ab19339ce0186a8f410c4b34625cfab2cf

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

Filesize
344B

MD5
68cda33899efd8d94df8f818f004a434

SHA1
56053a303a6e7f25d558ee5519f3367e7b236639

SHA256
e8f30672e98241323eb87b48ef036789579e8a0ded631eb0878b32a07fffabd2

SHA512
72cb8ccdf059a28008eda65d9e9b3b2ac6b0c388b90d3ff7d8e3b35261e1084b85405faba1cd6e9c67cd809e9ffc5cb80e22089ae56e6ea7f747ba0eb59301cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab6865.tmp

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

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C:\Users\Admin\AppData\Local\Temp\Tar69C1.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

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