hxxps://r20[.]rs6[.]net/tn[.]jsp?f=001WzAjLUN7JXt5qzCapO3HCBjIAVnPsDO_jMpjbpD9z4-gkq7by7HlbsHm1Xo54Pt0JTpIwRfxxYQRB_ME0Tcxv_tHsbQkANTDUzxMKbi-ZPffcb3c1NH9cc3gvhXsQEwXkm-tgXmvtaL8bnlb56vPHw==

Analysis

max time kernel
120s
max time network
128s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
22/12/2023, 14:13

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General

Target

https://r20.rs6.net/tn.jsp?f=001WzAjLUN7JXt5qzCapO3HCBjIAVnPsDO_jMpjbpD9z4-gkq7by7HlbsHm1Xo54Pt0JTpIwRfxxYQRB_ME0Tcxv_tHsbQkANTDUzxMKbi-ZPffcb3c1NH9cc3gvhXsQEwXkm-tgXmvtaL8bnlb56vPHw==

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000033b2baa7c38bc34eb000abaaaac06d7800000000020000000000106600000001000020000000364b2ed70395122332a9dae19149fef981f9618eb4d85a1baf1e2992922bb9e9000000000e8000000002000020000000e922ebf57ef9f3ddb481acc22beb150c2ed64662d92a733e317587b18914221e20000000191ebb163a2bc58424a8c641f14447959fce46dafdabc89c611496a55791943140000000436ae0f90a74377ad3ed00467a9fdfd12ae5b996c5d5d0a9edee3f9bbfbcf2b4fd2ad8be09ac9f9e5ad9d090766188a65ea8346f88c83f499f1e090b7a21fa08	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\FaviconPath = "C:\\Users\\Admin\\AppData\\LocalLow\\Microsoft\\Internet Explorer\\Services\\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{4DBF1781-A0D4-11EE-8EEA-EE2F313809B4} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 6059cd22e134da01	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1244	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1244	iexplore.exe
1244	iexplore.exe
2928	IEXPLORE.EXE
2928	IEXPLORE.EXE
2928	IEXPLORE.EXE
2928	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 2928	1244	iexplore.exe	28
PID 1244 wrote to memory of 2928	1244	iexplore.exe	28
PID 1244 wrote to memory of 2928	1244	iexplore.exe	28
PID 1244 wrote to memory of 2928	1244	iexplore.exe	28

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://r20.rs6.net/tn.jsp?f=001WzAjLUN7JXt5qzCapO3HCBjIAVnPsDO_jMpjbpD9z4-gkq7by7HlbsHm1Xo54Pt0JTpIwRfxxYQRB_ME0Tcxv_tHsbQkANTDUzxMKbi-ZPffcb3c1NH9cc3gvhXsQEwXkm-tgXmvtaL8bnlb56vPHw==
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1244 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2928

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\3C428B1A3E5F57D887EC4B864FAC5DCC

Filesize
914B

MD5
e4a68ac854ac5242460afd72481b2a44

SHA1
df3c24f9bfd666761b268073fe06d1cc8d4f82a4

SHA256
cb3ccbb76031e5e0138f8dd39a23f9de47ffc35e43c1144cea27d46a5ab1cb5f

SHA512
5622207e1ba285f172756f6019af92ac808ed63286e24dfecc1e79873fb5d140f1ceb7133f2476e89a5f75f711f9813a9fbb8fd5287f64adfdcc53b864f9bdc5

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

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
1KB

MD5
a266bb7dcc38a562631361bbf61dd11b

SHA1
3b1efd3a66ea28b16697394703a72ca340a05bd5

SHA256
df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

SHA512
0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3C428B1A3E5F57D887EC4B864FAC5DCC

Filesize
252B

MD5
470ea7b0403a5f483e629c9cac0a92a2

SHA1
6da5738b3a877bbc81ec8e0a1d463bb1c1c0a09d

SHA256
08d75adfb1318cea7e59477c4842db050b4493c9730145d3bc2ad1dbd9d1e154

SHA512
cad51aef07f8807eae6f342bc40010256324051f7ad69b9718430d2634fe53795480c8d40394004c461da288e612b3c0c2b10e6058ae79630ac59aa6be7b6e1c

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

Filesize
344B

MD5
5038b530f579e2345e130dfbe32deb4d

SHA1
910eefe6874a21a18c4b1a9eec238ee5e6d4b857

SHA256
6101ba1a385d1fac424356e0b0565fa35caf116f79e9e4356e230458bf61fbdb

SHA512
ca5fb0c8dceb69e60166ba99b9d0c57612048c01c0d8f821ce086170d6eb76a4a953e313eff1a010cd8946929a42f2130c04ab8fd4a60ef918a9ee41da228725

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

Filesize
344B

MD5
b04322680d6dd03d22475900e133970b

SHA1
05394ddad8ddb9c91953ffe8f1fdd79dbaf6463f

SHA256
14ecdfe0e11013e6e3b9a8e1cee6aac703e3c2c3efacdfd62a206633d0522d97

SHA512
f59bd569503dfe1d0d93c4731a0e8c1419f38dacb3d7b3985ae434ce8a74819a25af6c61154cd9ab601507b26dc2abdef233e3fe739b2268b981a64c0d4e0a73

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

Filesize
344B

MD5
e9e283cfadf1cf9982359b0174e49898

SHA1
08d76be5979e17b81d5df089e104c3c3bc590b74

SHA256
42068f8877b2b13cee4cf11958e11a248681f617c75840e84bc6d9889ca94788

SHA512
cdc4a5bcdfa828f0cb13f6866337f39350b554b3b6b8b54d0279bf5f9782854262ad25f02af00e235731a0be4cb5d580a3506a522d672f9ceaec8dbef1ddd692

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

Filesize
344B

MD5
05fe174d78ad4f41a90df8e33b987d22

SHA1
466ec88693722286a3ddf0ed45e3e50fba575703

SHA256
5b9b46dfcf12db6edd10fb71cff9da9a0d6f6737645ce9346bbf6bbbf8671ce8

SHA512
572240557a9d5ac6cd487b2b79929ac2397328279ba7fa2aa227e4c5e1ae6abe252b1b81f761eb692b074cfdafaae89e8c04c889551399aa0981ec71ef8bac14

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

Filesize
344B

MD5
333dfb286ceae2c4077515f5ea4aa160

SHA1
548eefe942d4a205aed47be651c24cacb3f5aa6e

SHA256
0727eed29c47b2c624cf77193ae261bbf457d7183fa40ec7491dfe497b062ccd

SHA512
cb6ceed7a3062956fbf64921ded2a3c6ce49ed3611fbc68d6f9f0b496f8456db5d206ab9ccc13526cc250e42cdaaa02c98719cff4cc35079e873c47798aff04e

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

Filesize
344B

MD5
71ebaa631408e0ed80102a8599c31044

SHA1
43f1c8bb21108f3603abd4da9d098a4f25bb38b2

SHA256
4313a7d2fc681834943e2f401bd31c961ee97242e4047ca1f70e9acf389cbb83

SHA512
74eb766fe0d12113ee15ca63f1d31123b4b08a5ee274cacce7a585ac15bd78fe0560d277fa735fab0258d1350833be7e9590342088a1c6f3cd4a8b9172f4f332

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

Filesize
344B

MD5
9f29d5c2c373cd7a5921ae710c3a11ba

SHA1
1c984a605b4c01c834b042ce5a6bb16f5e99c330

SHA256
91126a9d3d3943a112ea255dde9c7e32d3eae3ca8f3f73fd924ee9efc4b224f1

SHA512
438e956fff018490941e929355ae69995855c582b55f9645405acc31196616aae50b49e51bdc879d20e8868be0ae4cbd0c952a7cd19d5da1dfed66682715050c

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

Filesize
344B

MD5
a9b017e8ab19a1787076049282a075c4

SHA1
acd90fbca0cfc4ba77cbff99c04ef74107022ef6

SHA256
27cc85fa5e61c42e443439b94eca8eb6681e9f94131713961a733cdc00fe8a42

SHA512
3cb64beaa04ac359ca89b53633196648d9bce3eab7b47db2883782d58ba1c1e0c365bf80843758cdf6d0cee29e2362c849f598c27afca2ea98acea77e8d53a4f

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

Filesize
344B

MD5
e7d2d333d9596b26c7448e598afa3d8c

SHA1
2b3ee524cae43cc82679467e1d1c8672078c32f9

SHA256
fa315bf3ff2b203c7d7cb12ee49f79b2a2d08fa8db7a3405824ea2ea0622aa42

SHA512
262a866627b1db8e975f1f84ea1c61e1b572636bcf6602efa4b8e48cf97daa5da68e528444caf44efb3abe8f90a978e382d67bdce1f363911a857df2ff685524

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
242B

MD5
0bf123e1ca4d0ce309c3d6d54205da65

SHA1
0e08d8266eae0e698dfc0f3a16665a64751137d1

SHA256
768dca399b289a19a77b1383ee88bc5354575436b633d4c2f936a340e7c71a7a

SHA512
e01d4dfa50b6baa93f84f4e28abe8386c466ce1acfbef1502385d6c0e188f2dd927bba6afc366cc7016016da13ce42defd341e295d47b0515b5c1d76fa22bf1b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico

Filesize
4KB

MD5
da597791be3b6e732f0bc8b20e38ee62

SHA1
1125c45d285c360542027d7554a5c442288974de

SHA256
5b2c34b3c4e8dd898b664dba6c3786e2ff9869eff55d673aa48361f11325ed07

SHA512
d8dc8358727590a1ed74dc70356aedc0499552c2dc0cd4f7a01853dd85ceb3aead5fbdc7c75d7da36db6af2448ce5abdff64cebdca3533ecad953c061a9b338e

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar348E.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
C:\Users\Admin\AppData\Local\Temp\~DFE7AC6A177F67EEE6.TMP

Filesize
16KB

MD5
f26d07ae99b49c4aa79744edd974a122

SHA1
0fc0e71cd9d6b82883589fa226344cbce9c94cc3

SHA256
6ff32aa21f2619f4e2d9bd916c2b07df4014dde2e21f12394702e5513ece27ff

SHA512
f7dacc5f274cf090ea9700fe0f7c94458f4358315ac035251403712bd0138f56229f1d3328ff9216b23f58711c0ce4b35b8f06815aea02f37fe1054bbafc553b

Download Submit