45f722e067af9cda05729dbb84d95d10a3bb9f7e33fd95861bde07a37a8b19b0

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
13/01/2024, 12:27

Sharing

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General

Target

58e9ffc475d99007cb3fabea82f2f7fe.exe
Size

13KB
MD5

58e9ffc475d99007cb3fabea82f2f7fe
SHA1

940749671e685b146f7941df6129a686d5457ca7
SHA256

45f722e067af9cda05729dbb84d95d10a3bb9f7e33fd95861bde07a37a8b19b0
SHA512

7ef57efde79156a58e00a7e9bb9173d1e83b9d4ffcb416c1d48f6be621c42dc3e01e351552996459bb3f11c566433d131a334da415f86610f57f123bb782be09
SSDEEP

192:CS4gbgkAN4SJj+bfrJsUwv7E6ERGmkLtr9ZCspE+TMwrRmK+vhOrLws8+:CS4uI44aJ+7NzAeM4m/6

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2928-0-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2928-1-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000046332ab722508540bf00312f0a24f1200000000002000000000010660000000100002000000072927f4fff775b1f956c7f0eb31c477d8b4afd73f23a832834bfe1d833a6ab73000000000e8000000002000020000000746800e836b3884a1f72860cc9107c68cf79fa5dfb6800a57d0700ed35f3d0e520000000d070a3d5922d717d33d44ba58ba162185f378187e6fe1a4676ef3d9fe2cfe16a40000000968eeac503368be70f38b754fe1f9e3102229d1b476d7d41d9738788b37f933f86764d2d62822f3c0b3e6efbf5418f034648aeadefaaa10e67ebb6f0b8c93ae0	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\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
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 102dcde91b46da01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{151C8421-B20F-11EE-ACD1-56A82BE80DF6} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "411310702"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1680	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
2928	58e9ffc475d99007cb3fabea82f2f7fe.exe
1680	iexplore.exe
1680	iexplore.exe
2376	IEXPLORE.EXE
2376	IEXPLORE.EXE
2376	IEXPLORE.EXE
2376	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 1680	2928	58e9ffc475d99007cb3fabea82f2f7fe.exe	28
PID 2928 wrote to memory of 1680	2928	58e9ffc475d99007cb3fabea82f2f7fe.exe	28
PID 2928 wrote to memory of 1680	2928	58e9ffc475d99007cb3fabea82f2f7fe.exe	28
PID 2928 wrote to memory of 1680	2928	58e9ffc475d99007cb3fabea82f2f7fe.exe	28
PID 1680 wrote to memory of 2376	1680	iexplore.exe	29
PID 1680 wrote to memory of 2376	1680	iexplore.exe	29
PID 1680 wrote to memory of 2376	1680	iexplore.exe	29
PID 1680 wrote to memory of 2376	1680	iexplore.exe	29

C:\Users\Admin\AppData\Local\Temp\58e9ffc475d99007cb3fabea82f2f7fe.exe
"C:\Users\Admin\AppData\Local\Temp\58e9ffc475d99007cb3fabea82f2f7fe.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://ads.eorezo.com/cgi-bin/advert/getads?did=43
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1680
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1680 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2376

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
8f3e4c7316192229b22ccdb4641a33ed

SHA1
0656a47ce2352f693b1867fbed8ec0a6946bf6e2

SHA256
5e8f3686107ccd029efe3ddfac2881f9a5524ff6c1e8295cceed88d60147c172

SHA512
39215ef29058764a5034830320c7a965697587fd309dba734a2a72b5799ed5ceb7b80bed77dd94187af39358e4acf28a23511e3c3244efa6f2b847e5804b2c32

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

Filesize
344B

MD5
c69cd4062bd54af54bfc251bd5f362d9

SHA1
8bec1889d6fdeb3387d0783638608ee783c674aa

SHA256
84be3c40be6c93054e46a1fd435a3428dfe4e0be198628baa1294c204e781fdb

SHA512
3a995fb747c866f3f5fd02deb43868cf09bc38c2c6138cde24dc2fcfb87238d111b29e6ff0257c61a33748ef98b5d4b09bd93df28410d23fbd09d8f739f1b4e5

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

Filesize
344B

MD5
7e18924cbd50d5cfd0d6cbd3e9d1426d

SHA1
d8bceb1f289349da9b1f54d9deba3d52f91959dc

SHA256
2c42011f2f62f96b453a9adb06537470297ea1f6b07e8ef24f02df7ee66640c6

SHA512
a24ebaa3e26b974ff013afcc2cc8b143be0af9ad5a4937699b8f0f57ccb641d0aae4b16f11477c3844179fc683cd02d057cd32f9b51551b890932cde8e311944

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

Filesize
344B

MD5
2731730a859934f5f95568f6ca88c510

SHA1
752aac3551f196461f2cfb18f4a6d5009339e786

SHA256
9a84d4cde3f941673772e9db2c9795737ef34e5d8d551910d69e34c80bb58fb7

SHA512
7c913da445352079df8f9bd98de454f4070dccb2af1f09747f236502e21f0baddb4dee7a2f265eecd901f964d4f3471bfd6948724abece8e7b6d9c95bc4981e4

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

Filesize
344B

MD5
80edf897ecee2425e2d0d49cb0800a84

SHA1
52efa3e0bac94eb95727df00cc12ccbb2fd1bcc3

SHA256
9ec5d4d6b7cc6075a43981ea30e314fc824e46aecbfdf93ace49dfac603e3754

SHA512
52376ae115c4bf1117208331bccce352fc61280503ed644a5e8049c6c147571c2d1281b514fd2cc4ac25feb15ea0ef3c8e3321c2bd9e82a69ba792ccd32b7f64

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

Filesize
344B

MD5
9821cd28884693dbd9cf120e7e89a401

SHA1
6b9f539dc21ef0ab06b494a37f931525c622b79f

SHA256
e092a64220d3e19b025953373f58b54bdfd818fc588ce14202a113fe75a3fd4f

SHA512
22875377184d77d02eda30b1767f9bc0da50840c1e15588266f241dbb5b439851c302e1e714f49ed748df2264ba99d358c78fd7ac4f0cb4a6f6b3ae47fe25f33

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

Filesize
344B

MD5
0a48bd56d2d615dce75ded741c77e036

SHA1
6006f74561d6e996f7bebb48fc42ccc1d16d326c

SHA256
72a804c6accdf6fdc3b186091f0ed703a044686b702af93ff530362683fe32b0

SHA512
8c34e71775bb6181b2a0868b79bfece145799a93ba2b0c44d30bd3850e3abf048850f330392748a24370ee6a4807269b6276cb9f10e5ba29aa18942817cb6bea

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

Filesize
344B

MD5
31915bbf62be2f1554f534bd8fceb461

SHA1
2be3c721ff56fe54f6f6c5eedb61206bed197b08

SHA256
935fe5c303aa9aaa5f474e7896a65351fc7b6f37befc8a014292420e7881c33e

SHA512
d4b9f0695d9a39ff662310b2d798fd5c72c2c76c0caebe33aa25bad3356945303790cca81113d774c461dc44c09001cb6d8c8e69c649508cd0d8fedbbfa62671

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

Filesize
344B

MD5
9e5e8af55032c544b396c1268c2d5960

SHA1
a48ac2bdd34e19fd18eb12318c67849e724432f9

SHA256
0a90a0ffb8466adb8362a9319f44473c9cece356e8dbe24678abb7efc6d83777

SHA512
9b02dffec9db34eee025fdddf84165bcc84c14cacb54b7f4412b485f117685a75f6c81fee9b6dc9c42c760b19e8d3d26c3aec9a0b6bc0da5aa3807b57971caa5

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

Filesize
242B

MD5
18ab95e2ac780f749d60d7fc98354695

SHA1
05781e0f245a74d54fbbc0b28a17ed3a0655303a

SHA256
5449f51f635d188a4da972d6b8541b3191fdc16502655c1512927ece51134985

SHA512
ac405a94c2186b92baa44ff0a833f1999a81cc8a742ba85311376636ea2e0ba7bdfc3933fd884959b6c88a6a69ab8e0df5d1434b815ea960829b0f52cdf5be7d

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\Tar2BC8.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/2928-0-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2928-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download