635e76380bd348a86e1a8d13f7c4be33f0164838b6b9aecb99009dd13264ec8c

Analysis

max time kernel
141s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 14:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

635e76380bd348a86e1a8d13f7c4be33f0164838b6b9aecb99009dd13264ec8c.exe
Size

2.0MB
MD5

8f2f0648bbb87993da6bbbb1b4de3650
SHA1

37cd40f6366bec63d1dd39f781d6f4e0bfcfcf78
SHA256

635e76380bd348a86e1a8d13f7c4be33f0164838b6b9aecb99009dd13264ec8c
SHA512

30d32253645637fe6c7ad833003343b5002ba4f498fed5662720e8b9df9329a0e0bf907954c14d26e8986c5078caee07275d3caad4bce42b8e1ad065d87afd1a
SSDEEP

24576:h1OYdaOQSuVW1jLH2NuSk/EWygQAlHE/HsvleTzEmupJcjoCQ40MMvppEWJbjSSR:h1OshyjkEWygQuk/HsNyz2pJxCeg3jW

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4028	vktTGYQYIykqDBE.exe

Loads dropped DLL 3 IoCs

pid	Process
4028	vktTGYQYIykqDBE.exe
4840	regsvr32.exe
4888	regsvr32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops Chrome extension 5 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\fnacnndgdggapokcpncncinajkdfajco\1.0\manifest.json	vktTGYQYIykqDBE.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\fnacnndgdggapokcpncncinajkdfajco\1.0\manifest.json	vktTGYQYIykqDBE.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\fnacnndgdggapokcpncncinajkdfajco\1.0\manifest.json	vktTGYQYIykqDBE.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\fnacnndgdggapokcpncncinajkdfajco\1.0\manifest.json	vktTGYQYIykqDBE.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\fnacnndgdggapokcpncncinajkdfajco\1.0\manifest.json	vktTGYQYIykqDBE.exe

Installs/modifies Browser Helper Object 2 TTPs 9 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{761497BB-D6F0-462C-B6EB-D4DAF1D92D43}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{DBC80044-A445-435B-BC74-9C25C1C588A9}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	vktTGYQYIykqDBE.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	vktTGYQYIykqDBE.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	vktTGYQYIykqDBE.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	vktTGYQYIykqDBE.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\YoutuubeAdBlocke\VBe2eKEdpR6RKl.dat	vktTGYQYIykqDBE.exe
File opened for modification	C:\Program Files (x86)\YoutuubeAdBlocke\VBe2eKEdpR6RKl.dat	vktTGYQYIykqDBE.exe
File created	C:\Program Files (x86)\YoutuubeAdBlocke\VBe2eKEdpR6RKl.x64.dll	vktTGYQYIykqDBE.exe
File opened for modification	C:\Program Files (x86)\YoutuubeAdBlocke\VBe2eKEdpR6RKl.x64.dll	vktTGYQYIykqDBE.exe
File created	C:\Program Files (x86)\YoutuubeAdBlocke\VBe2eKEdpR6RKl.dll	vktTGYQYIykqDBE.exe
File opened for modification	C:\Program Files (x86)\YoutuubeAdBlocke\VBe2eKEdpR6RKl.dll	vktTGYQYIykqDBE.exe
File created	C:\Program Files (x86)\YoutuubeAdBlocke\VBe2eKEdpR6RKl.tlb	vktTGYQYIykqDBE.exe
File opened for modification	C:\Program Files (x86)\YoutuubeAdBlocke\VBe2eKEdpR6RKl.tlb	vktTGYQYIykqDBE.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 4028	2612	635e76380bd348a86e1a8d13f7c4be33f0164838b6b9aecb99009dd13264ec8c.exe	84
PID 2612 wrote to memory of 4028	2612	635e76380bd348a86e1a8d13f7c4be33f0164838b6b9aecb99009dd13264ec8c.exe	84
PID 2612 wrote to memory of 4028	2612	635e76380bd348a86e1a8d13f7c4be33f0164838b6b9aecb99009dd13264ec8c.exe	84
PID 4028 wrote to memory of 4840	4028	vktTGYQYIykqDBE.exe	85
PID 4028 wrote to memory of 4840	4028	vktTGYQYIykqDBE.exe	85
PID 4028 wrote to memory of 4840	4028	vktTGYQYIykqDBE.exe	85
PID 4840 wrote to memory of 4888	4840	regsvr32.exe	86
PID 4840 wrote to memory of 4888	4840	regsvr32.exe	86

C:\Users\Admin\AppData\Local\Temp\635e76380bd348a86e1a8d13f7c4be33f0164838b6b9aecb99009dd13264ec8c.exe
"C:\Users\Admin\AppData\Local\Temp\635e76380bd348a86e1a8d13f7c4be33f0164838b6b9aecb99009dd13264ec8c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Users\Admin\AppData\Local\Temp\7zS8C08.tmp\vktTGYQYIykqDBE.exe
  .\vktTGYQYIykqDBE.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops Chrome extension
  - Installs/modifies Browser Helper Object
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4028
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\YoutuubeAdBlocke\VBe2eKEdpR6RKl.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:4840
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\YoutuubeAdBlocke\VBe2eKEdpR6RKl.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:4888

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\YoutuubeAdBlocke\VBe2eKEdpR6RKl.dat

Filesize
6KB

MD5
54fae0deca3e7baadf38583aa193d9c5

SHA1
fa05fad0e57fd97b5ba16ba6d24e61bacd8f2367

SHA256
a898faa4017647123c31c07d972c4123f64f94c937aeb88f70c61d931c7c90a9

SHA512
485618c20b3c4b91ed75e866a9ed721d59960133fd367dc722c1d45ebc48021fcc19eb9c83bb521eba626f7091249939bf5a999499ee1277a57dbe6f402808a5

Download Submit
C:\Program Files (x86)\YoutuubeAdBlocke\VBe2eKEdpR6RKl.dll

Filesize
601KB

MD5
b2d96a149b60854cc5b1507669d2a304

SHA1
bdc467f91f97157135a105655a64cdbe0329726e

SHA256
0cf7b5e1246bb9e2ffd69eac2374f058415680a2b8c83e973c56704686f7732c

SHA512
169123d99ac34c6905abbe3f5bcb8b0f56e7c5ac5f4b51c9fd66d71c629aa71fab5f968d8b864c477fe63c47cede0fb2e59ce531f923d0e6b4729c462cead138

Download Submit
C:\Program Files (x86)\YoutuubeAdBlocke\VBe2eKEdpR6RKl.x64.dll

Filesize
679KB

MD5
2248a27000a39605618b39ed313bb860

SHA1
dc83459cd843029e7e1ae82dee04c7a930a16bf8

SHA256
39f7f2287a8604c54e11b83e4ec834b8f2c9a528c231bf98c2b8b38949ab4d18

SHA512
b4207d8b954bbeb466c59c883d09de11a3c3e1169f531cfbc853fa9c6f34a1b786999b334f73637a243ba08f0a532a7f672772acb7f27d31820fcf49ca74d801

Download Submit
C:\Program Files (x86)\YoutuubeAdBlocke\VBe2eKEdpR6RKl.x64.dll

Filesize
679KB

MD5
2248a27000a39605618b39ed313bb860

SHA1
dc83459cd843029e7e1ae82dee04c7a930a16bf8

SHA256
39f7f2287a8604c54e11b83e4ec834b8f2c9a528c231bf98c2b8b38949ab4d18

SHA512
b4207d8b954bbeb466c59c883d09de11a3c3e1169f531cfbc853fa9c6f34a1b786999b334f73637a243ba08f0a532a7f672772acb7f27d31820fcf49ca74d801

Download Submit
C:\Program Files (x86)\YoutuubeAdBlocke\VBe2eKEdpR6RKl.x64.dll

Filesize
679KB

MD5
2248a27000a39605618b39ed313bb860

SHA1
dc83459cd843029e7e1ae82dee04c7a930a16bf8

SHA256
39f7f2287a8604c54e11b83e4ec834b8f2c9a528c231bf98c2b8b38949ab4d18

SHA512
b4207d8b954bbeb466c59c883d09de11a3c3e1169f531cfbc853fa9c6f34a1b786999b334f73637a243ba08f0a532a7f672772acb7f27d31820fcf49ca74d801

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8C08.tmp\VBe2eKEdpR6RKl.dll

Filesize
601KB

MD5
b2d96a149b60854cc5b1507669d2a304

SHA1
bdc467f91f97157135a105655a64cdbe0329726e

SHA256
0cf7b5e1246bb9e2ffd69eac2374f058415680a2b8c83e973c56704686f7732c

SHA512
169123d99ac34c6905abbe3f5bcb8b0f56e7c5ac5f4b51c9fd66d71c629aa71fab5f968d8b864c477fe63c47cede0fb2e59ce531f923d0e6b4729c462cead138

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8C08.tmp\VBe2eKEdpR6RKl.tlb

Filesize
3KB

MD5
ed92e596a3dd1aeb2a2a6f9507d95bd6

SHA1
f9e9123daf4781d41717e4a6be6e8f53d021a649

SHA256
434a86d8dcdfc895780d8346f36c99e5cde98bc919590af06d07f1e73745ee58

SHA512
ed3c52387f6e7d173c7058f13238be3a6604dd98b86cc03831ec737d43b2d2060182e2d9865b3c13d5dc39fcc7286cb589c041ba75999ca075d1e9237fab3473

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8C08.tmp\VBe2eKEdpR6RKl.x64.dll

Filesize
679KB

MD5
2248a27000a39605618b39ed313bb860

SHA1
dc83459cd843029e7e1ae82dee04c7a930a16bf8

SHA256
39f7f2287a8604c54e11b83e4ec834b8f2c9a528c231bf98c2b8b38949ab4d18

SHA512
b4207d8b954bbeb466c59c883d09de11a3c3e1169f531cfbc853fa9c6f34a1b786999b334f73637a243ba08f0a532a7f672772acb7f27d31820fcf49ca74d801

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8C08.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8C08.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
b7affafa1f816feb0a6f3b0bd01f2946

SHA1
ebc3a7fd719a36836debd001dfe2864ce9545df9

SHA256
c525cbcda53b159e3fda4bc5703d786b541fb4785c938ee9ad6f807da6b8f8a8

SHA512
04ab1e1df5421e745d9d8d1a0d9aca7b64ac2f1e877e69215bc81974d0a3a6ddd78b71d38c5006b71f0162566e2fb3d26d543127ac68aeea7481fca4a0fac98e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8C08.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
7f688831e10326246540feb120c5d31c

SHA1
214f4d441139d6db3292208cdbe4caba6caf93e2

SHA256
bbdbbac9c8c7ba788cc8ded5c792c68148f81c08c7f98889e9719b3cd51b5108

SHA512
6c4051a549f9945383da9e7586195d235999361b45c69d91ab1a23373265584e33cf5bc9c4df30473479a99e1e36770bf0ec03217f021aa82383cc9078c81d5a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8C08.tmp\[email protected]\install.rdf

Filesize
601B

MD5
f091776e9005f9e4f7813e2870685660

SHA1
db3f02a530a2e55c07572d19900959785dc2846e

SHA256
75b5864e6a6628adbc030191fa972f788ddecea05fd4f24506da7ca82b198201

SHA512
8f1877ac7f0bf3fd794c60d4125a54c5465535dee9f024caf4a9fdbc5cfd855b8ea2004f16db74de476768184a85c89413268418776295f3975d9076ac3503f9

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8C08.tmp\fnacnndgdggapokcpncncinajkdfajco\background.html

Filesize
138B

MD5
cf76a0d862b79318eb8e21ee49cef7da

SHA1
cb7211a504c718e37d4941e8e8559628ddd0aa63

SHA256
b3ec3abc833e4adf28504fd012059626ea11d058702ad7d968b0ab9ecb75adc8

SHA512
8521163153c814b9f91ddaab17b13c13d43920247dda6e012a9e0287916fa7f7fde0e2340d0884b2a032c6e3f12c27b9aef606fb091807a221f7633bd666d423

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8C08.tmp\fnacnndgdggapokcpncncinajkdfajco\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8C08.tmp\fnacnndgdggapokcpncncinajkdfajco\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8C08.tmp\fnacnndgdggapokcpncncinajkdfajco\manifest.json

Filesize
508B

MD5
8d5f0c99c6c224cd3e7ffa50128af616

SHA1
1525f5369464fa0b8b064bcc150dfaad35c62325

SHA256
bddd4c76ce9fdb905b808f84d69f4ee21759f1e3c2cf929e8a0f3d1bdd577a8f

SHA512
85bc7cb55bf8fe6e8d3f65759aedd6b9eb514854ba4b4034505bbbad235f693225244da0999168a3f64e2fc3b5673ee8f64a36d304afece1af8dcf323cceba47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8C08.tmp\fnacnndgdggapokcpncncinajkdfajco\y.js

Filesize
5KB

MD5
34a45f90b4750a75b263e91adb39d65a

SHA1
23cd77e7345145cb83e1beae6a1408810765f816

SHA256
4c8c5480ef09e3f9dc27b89e1bc585d60c9f328fd31e7a7d816f17236a56ed35

SHA512
3ddb6232aa1c3f8664b92eb126102f4a06221c8be8f7b2f8a1dafa0f46829a6ad953695b5dc177b14464cb3212c5e5ceb0f0ff6367e0fcc5d31d5506ba370882

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8C08.tmp\vktTGYQYIykqDBE.dat

Filesize
6KB

MD5
54fae0deca3e7baadf38583aa193d9c5

SHA1
fa05fad0e57fd97b5ba16ba6d24e61bacd8f2367

SHA256
a898faa4017647123c31c07d972c4123f64f94c937aeb88f70c61d931c7c90a9

SHA512
485618c20b3c4b91ed75e866a9ed721d59960133fd367dc722c1d45ebc48021fcc19eb9c83bb521eba626f7091249939bf5a999499ee1277a57dbe6f402808a5

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8C08.tmp\vktTGYQYIykqDBE.exe

Filesize
649KB

MD5
524bc23df65cfdcc39056b69feba32e5

SHA1
2a88ec175c164ff14b69d1d5b21384e60400a191

SHA256
0d0d750316b3e35d6c625c8b883fcffa80ffff52c24921f324baf0197b89dcea

SHA512
483f1c25253ec362be18b1640bf24cca9439d843f12011c56a9c67f2a7622c3d26b6f1bb4e16e4435edf371a4dcb637d625ef1bceda7d1e0d76cb8accbdb67bd

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8C08.tmp\vktTGYQYIykqDBE.exe

Filesize
649KB

MD5
524bc23df65cfdcc39056b69feba32e5

SHA1
2a88ec175c164ff14b69d1d5b21384e60400a191

SHA256
0d0d750316b3e35d6c625c8b883fcffa80ffff52c24921f324baf0197b89dcea

SHA512
483f1c25253ec362be18b1640bf24cca9439d843f12011c56a9c67f2a7622c3d26b6f1bb4e16e4435edf371a4dcb637d625ef1bceda7d1e0d76cb8accbdb67bd

Download Submit