hxxps://github[.]com/fabrimagic72/malware-samples/tree/master/Wannacry

Analysis

max time kernel
66s
max time network
360s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 06:06

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General

Target

https://github.com/fabrimagic72/malware-samples/tree/master/Wannacry

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 34 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
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\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	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
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{F611D2A1-A3B4-11EE-9911-62ABD1C114F0} = "0"	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 (data)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
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\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\LowRegistry\DontShowMeThisDialogAgain	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\Recovery\PendingRecovery	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	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 (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000033b2baa7c38bc34eb000abaaaac06d7800000000020000000000106600000001000020000000ba6926c1c8d0c0174094a87a8988bcb636b197d397d5cb41b708d195b774f1ac000000000e8000000002000020000000ad140034d4d6d90d399979ef31516214a91f426ef598103adc493f515c6995f220000000bd3cfcdb20ac6a5bbfc39ec65bdc4a80a8ac97ec1859a0ffabec42099fac06f840000000088821a4b136e3134be2952a4b9762581cec4d1f839245f08325cedf7d1ebd462bfd740ddf14f3b0a2fdad0cf836cb13f9adca2b8a8ce1055b5eec32b9432cbe	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 300a81cec137da01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\GPU	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\Recovery\PendingRecovery\AdminActive = "1"	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\IETld\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	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
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\Main\WindowsSearch	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\SearchScopes	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\IntelliForms	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2028	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2028	iexplore.exe
2028	iexplore.exe
3040	IEXPLORE.EXE
3040	IEXPLORE.EXE
3040	IEXPLORE.EXE
3040	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 3040	2028	iexplore.exe	16
PID 2028 wrote to memory of 3040	2028	iexplore.exe	16
PID 2028 wrote to memory of 3040	2028	iexplore.exe	16
PID 2028 wrote to memory of 3040	2028	iexplore.exe	16

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://github.com/fabrimagic72/malware-samples/tree/master/Wannacry
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2028 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3040

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
c92e9632d379de4cbe95f08b9505d4e1

SHA1
857f34730b9b3a643d483aee8a2961fc7c82729d

SHA256
bbdf96e15fc2919558c92e477aa3712fde3f4b29418f4dd4a4fdda762b46615a

SHA512
33e72d365df53b66c1e7068b06f100b74ee8c3661380a905c0ac2628e977aaab6a732ce574bbc3f22a00ac17a2b7323b9a380e20a9002818f4d456e9a7c5079a

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

Filesize
344B

MD5
37e59829815efbde815160249397b07a

SHA1
6ffd24d9f071e059c4bd97193a6059b808fd591b

SHA256
2ee448a0e525638727fdcae5d0033a0f0f380bcd802ff75a20dd0f95282d9e4a

SHA512
0367e80b372c9e2c795eb8fc6a5eb682f3b5f41b6241687aab2ba886b6bb63867dc87f1280cdbecc27cdf44eb5e7ed83bd698936a2ec117abb0e1ffe38de3424

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

Filesize
344B

MD5
dcf483186c8ebb3bfbd6153ebf3a2332

SHA1
3c387b9aee72b8c9caa8b716b153a3e6a36fde15

SHA256
b4c01cba68952a38fdab9f4d6d6aadfeb3670ad38d79306f2a9c15a33ad5441d

SHA512
aa29ebf5e0606d5a10ec57336c917638c90e33bd43cb7222f07f9dadbfbd53068c447592be865ac89111444c85ee3a005928fb7a341d08f3d9098599f0411b33

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

Filesize
344B

MD5
09a846e583f9d77612242673275bcb77

SHA1
1818a57c31c0df3d9ce35a837e098829d36c4401

SHA256
ccc57fc03f4bb5e016fb81cd1bde756e6b492cf7ec51b9079d4f3300c463cb27

SHA512
9d03bc4a49e5a110e27c8c6317da0ed4e9e50279480e08db36d56ee5d5469fa4294915b1da98cf1dd03f7c7b2d6f466b493a61aa2eafd1a90fca6805e844ac53

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

Filesize
344B

MD5
67691ec269a07b9062d9060f07a023ec

SHA1
8a4b11176ac5776e198dc0551ed0a805f4f653b1

SHA256
b7ad92f4b1a164a566a5bf51ae330c46ef0c3b66a14448900c6750363fd042a1

SHA512
807cfae59837777cb16a7b9cb209d31ae3f18eea44a7a34c6c0dee25b4d0b1bb8dc2fcccd0495fac95fb08816463e9e9667430c025d40b384e3088a18d0bbd07

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

Filesize
344B

MD5
05f358ab70cadf40b1af72e74bf04744

SHA1
b9bb77ab63b44a3685c32ac6de4210477141efd4

SHA256
49fb2d22f73265f48490196bcc9665c05948c8adb3656dd8717f313877f5f422

SHA512
4e4fd7a6cc43c69d7bc3759fdaa7fe6ca5c997b01010e8770e431c86bdb5beeb8059f1e28a2644f3fb175e84e1553dbc21a5713cd1e45b23e29625b7e1841b82

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

Filesize
344B

MD5
a768fd7ff1f15aacefeda020e3d3d050

SHA1
288ddf954dc27b6d131913695c27173541b14e50

SHA256
7dde2d621329d0d0a25b0b2ad61057894d4cd39fa0a7f313382348b396a3ad49

SHA512
1dffc428b8bd7f7a2ed530ad96e039808fbbe8b2e3d8ef51e14167eb0184e0c4392eedea02c6084b6a90e58e0cf17e8751c20741f74dde684edbd5fa1f864a27

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

Filesize
344B

MD5
44aeb3246b15fe7b8b0cce67c4afeaa9

SHA1
592cb70ed423d8817abc551c88bd6f21775db453

SHA256
1cca0e3f8a312af67594ad2e77912133939ea246929425f7b1dd63e8730db91d

SHA512
359cefc4c450ceaedb9ad38dfb016cb8e75fd07f4438fbe2ad1cb4a1c30f9a1660d83ac681fd9cc569c0168cb3f2f4cd78fee1caeffdf568f5ebe5d851a1e2a6

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

Filesize
344B

MD5
131a6f71b127cb71a344541d3a3a0675

SHA1
619af7160d8488534e91275e007a0e794f50c5b3

SHA256
1d314c7f0016506a098687c3604dbccc00a8824c93ff88be060bd084a300503c

SHA512
53fea40aa3a7fcdc2b02ddb945cf2b08b31331f3c37a7edfe88666211c85860645562ce8c417103de5e52fc678db05577ad06b0da385b3c3cd7ab2ee216a1c28

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

Filesize
344B

MD5
881ca5d6c7a3b04969429faa3477ab59

SHA1
71ac5888cc239518d78e8f11208ba8ae37600a30

SHA256
f05a71c2bef818e7936ac236528dd4910c3d74d93e54c6881fc73c351d4a895b

SHA512
8053497241ca683d42198cf2991b5a39e618ff76834677d91ce0f4707c5843126b4ae0766f4b4a77a83013b0bb50468c636185fc4fe2e26198f3a63f3c7c4101

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

Filesize
242B

MD5
0e5bdf63a639828f1273e36799edec5d

SHA1
70f9e723272ce2b2b860915bb4a126ae41c0064a

SHA256
ba61398ed0fa440bc184d84393e25c0e106b3ab08d3898db8e66ca7cb8fcfad2

SHA512
1fbf5c20d1207b61ba1e17d982782da6a51361d592c7c81ae28b5934a922a54ea93d33e3cb1823ca6867c8071f39b7714baece6bdb7173a833fb417891f9136c

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

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C:\Users\Admin\AppData\Local\Temp\Tar2255.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit