66262cd24479f4ad1812508bc71ddc21ea04b168ecf7ca8ca942459e1bc6b1e6

Resubmissions

30-08-2024 17:58

240830-wkhv3axbkh 8

30-08-2024 17:38

30-08-2024 17:34

30-08-2024 17:29

30-08-2024 17:24

30-08-2024 17:19

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-08-2024 17:58

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General

Target

ACCVRAIZ1.crt
Size

1KB
MD5

d0a05aee05b6099421a17df1b2298202
SHA1

93057a8815c64fce882ffa9116522878bc536417
SHA256

9a6ec012e1a7da9dbe34194d478ad7c0db1822fb071df12981496ed104384113
SHA512

72820a7b6327b5342507dd1cc22cfd70e015370ae3994e5d98dfb5508459035eaebd6bc43df9664bb2b8a3b6a18dcc65ac80f67a1c32fc8bf42631cd89e5235d

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
2	2568	rundll32.exe

Modifies system certificate store 2 TTPs 3 IoCs

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\SystemCertificates\REQUEST	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\SystemCertificates\CA\Certificates\93057A8815C64FCE882FFA9116522878BC536417	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\SystemCertificates\CA\Certificates\93057A8815C64FCE882FFA9116522878BC536417\Blob = 040000000100000010000000d0a05aee05b6099421a17df1b22982020f0000000100000014000000df0adaa6d1f05ad803ac447ebef1deeecb9483cb140000000100000014000000d287b4e3df37279355f656ea81e536cc8c1e3fbd19000000010000001000000008d03836ee09ef2774ac94c8f1d37c9d03000000010000001400000093057a8815c64fce882ffa9116522878bc5364172000000001000000d7070000308207d3308205bba00302010202085ec3b7a6437fa4e0300d06092a864886f70d010105050030423112301006035504030c09414343565241495a313110300e060355040b0c07504b4941434356310d300b060355040a0c0441434356310b3009060355040613024553301e170d3131303530353039333733375a170d3330313233313039333733375a30423112301006035504030c09414343565241495a313110300e060355040b0c07504b4941434356310d300b060355040a0c0441434356310b300906035504061302455330820222300d06092a864886f70d01010105000382020f003082020a02820201009ba9abbf614a97af2f97669a745fd0d996fdcfe2e466ef1f1f4733c244a3df9ade1fb554dd157c6935116fbbc80c8e6a181ed88fd916bc1048365cf063b3905a5c2437d7a3d6cb0971b9f1017284b07ddb4d80cdfcd36fc9f8dab60e82d24585a81b68a83de8f4446cbda1c2cb03be8c3e130084df4a48c0e3220ae8e937a7184cb1090d23567f044dd9178418a5c8da409473ebce0e573c03813a9d0aa1574369ac576d799078e5b5b43bd8bc4c8d28a1a7a3a7ba024e25d12aaeedae0322b86b200f302854957fe0eece0a669dd1402d6e22af9d1ac10519d26fc0f29ff87bb30242fb50a91d2d930f23abc6c10f92ffd0a215f55309711cff451384e6265ef8e0881c0afc16b6a87306b8f0638402a0c65aece774df70aea38325ead6c7978793a7c68a8a33976037103e973e6e2915d6a10fd1882c129f6faaa4c642eb41a2e39543d301856d8ebb3bf32336c7fe3be0a1250748abc98974ff088f80bfc09665f3eeec4b68bd9d88c331b340f1e8cff638bb9ce4d17fd4e5589b7cfad4f30e9b7591e4ba522e197ed1f5cd5a19fcba06f6fb52a84b9904ddf8f9b48b50a34e6289f08724fa8342c187fad52d292a5a717a646ad72760630ddbce49f58d1f90893217f87343b8d25a938661d6e1750aea796676884f71eb0425d60a5a7a93e5b94b17400fb1b6b9f5de4fdce0b3ac3b117060844a436e9920c029710ac0650203010001a38202cb308202c7307d06082b060105050701010471306f304c06082b060105050730028640687474703a2f2f7777772e616363762e65732f66696c6561646d696e2f4172636869766f732f636572746966696361646f732f7261697a61636376312e637274301f06082b060105050730018613687474703a2f2f6f6373702e616363762e6573301d0603551d0e04160414d287b4e3df37279355f656ea81e536cc8c1e3fbd300f0603551d130101ff040530030101ff301f0603551d23041830168014d287b4e3df37279355f656ea81e536cc8c1e3fbd308201730603551d200482016a30820166308201620604551d2000308201583082012206082b06010505070202308201141e820110004100750074006f0072006900640061006400200064006500200043006500720074006900660069006300610063006900f3006e00200052006100ed007a0020006400650020006c00610020004100430043005600200028004100670065006e0063006900610020006400650020005400650063006e006f006c006f006700ed00610020007900200043006500720074006900660069006300610063006900f3006e00200045006c006500630074007200f3006e006900630061002c002000430049004600200051003400360030003100310035003600450029002e002000430050005300200065006e00200068007400740070003a002f002f007700770077002e0061006300630076002e00650073303006082b060105050702011624687474703a2f2f7777772e616363762e65732f6c656769736c6163696f6e5f632e68746d30550603551d1f044e304c304aa048a0468644687474703a2f2f7777772e616363762e65732f66696c6561646d696e2f4172636869766f732f636572746966696361646f732f7261697a61636376315f6465722e63726c300e0603551d0f0101ff04040302010630170603551d110410300e810c6163637640616363762e6573300d06092a864886f70d010105050003820201009731029fe7fd4367484414e42987ed4c2866d08f35da4d61b74a974db5db90e0052e0ec679d0f297690fbd0447d9bedbb529da9bd9aea999d5d33c3093f58da1a8fc068d44f4ca16957c33dc628ba837f827d8092d1befc8142720a96444ff2ed675aa6c4d60401949435463dae2ccba66e54f447a5bd96a812b40d57ff90127582cc8ed48917c3fa600cfc429731136de86193e9dee198a1bd5b0ed8e3d9c2ac00dd83d66e33c0dbdd5945ce2e2a7351b0400f63f5a8dea43bd5f891da9c1b0cc99e24d000adac9275be713905ce4f533a2556ddce0094d2fb1265b27750009c4627729085f9e59acb67ead9f54302203c11e7164fef9380a9618dd0214ac23cb061c1ea47d8d0dde2741e8adda15b7b023dd2ba8d3da2587ede855444d88f4367e849a78acf70e56490ed63325d68450426c20121d2ad5bebcf27081a47060be05b59b9e0444be6123ace9a5248c1180945aa2a2b949d2c1dcd1a7ed31112c9e19a6eee155e1c0eacf0d84e417b7a27ca5de552506eeccc0875c40dacc953f55e035c7b884beb45dcd7a830172ee87e65f1daeb585c626dfe6c19ae91e02479f2aa86da95bcfec45777f98279a325d2ae384eec598662f96201dddd8c327d7b0f9fed97dcdd09f8f0b1458519f2f8bc3382ddee88fd68d87a4f5564316992cf4a456b434b86137c9c258801ba097a1fc598de911f6d10f4b5534462a8b863b	rundll32.exe

C:\Windows\system32\rundll32.exe
C:\Windows\system32\rundll32.exe cryptext.dll,CryptExtOpenCER C:\Users\Admin\AppData\Local\Temp\ACCVRAIZ1.crt
1⤵
- Blocklisted process makes network request
- Modifies system certificate store
PID:2568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab912A.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarFF99.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit