40713ff2bac5fce5dcf8a5b47b5528225f3aad269e1f283f6b5787b8fead2656

Analysis

max time kernel
91s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
24/11/2022, 09:11

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General

Target

40713ff2bac5fce5dcf8a5b47b5528225f3aad269e1f283f6b5787b8fead2656.exe
Size

2.1MB
MD5

cad086a1b3df026d9e1d600b9567c869
SHA1

690f94bb47e3f6af952256e4f713e53ff88e2741
SHA256

40713ff2bac5fce5dcf8a5b47b5528225f3aad269e1f283f6b5787b8fead2656
SHA512

ce08277741f37cf851b40bf1923e5887d0103f9c2555a38369d4b1797e6188d13c9cb6cc03dae5f1501af1e0148c37601a0f3fdb5afe5e37765ba3df1e35a0be
SSDEEP

49152:h1Ospl9RJLu6vcW6hGkaVR7QSiN/tObJmZcqYUuRTP:h1O8rVOhGRkSixtKDF

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4960	ytpxP4hf6EflS0U.exe

Loads dropped DLL 3 IoCs

pid	Process
4960	ytpxP4hf6EflS0U.exe
4540	regsvr32.exe
4936	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\gpbjcihpjjplfjjbbnehacmmgmmnknfj\2.0\manifest.json	ytpxP4hf6EflS0U.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\gpbjcihpjjplfjjbbnehacmmgmmnknfj\2.0\manifest.json	ytpxP4hf6EflS0U.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\gpbjcihpjjplfjjbbnehacmmgmmnknfj\2.0\manifest.json	ytpxP4hf6EflS0U.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\gpbjcihpjjplfjjbbnehacmmgmmnknfj\2.0\manifest.json	ytpxP4hf6EflS0U.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\gpbjcihpjjplfjjbbnehacmmgmmnknfj\2.0\manifest.json	ytpxP4hf6EflS0U.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	regsvr32.exe
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\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	ytpxP4hf6EflS0U.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	ytpxP4hf6EflS0U.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	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\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	ytpxP4hf6EflS0U.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	ytpxP4hf6EflS0U.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\GoSave\nNzTHPaqPXylpP.dat	ytpxP4hf6EflS0U.exe
File opened for modification	C:\Program Files (x86)\GoSave\nNzTHPaqPXylpP.dat	ytpxP4hf6EflS0U.exe
File created	C:\Program Files (x86)\GoSave\nNzTHPaqPXylpP.x64.dll	ytpxP4hf6EflS0U.exe
File opened for modification	C:\Program Files (x86)\GoSave\nNzTHPaqPXylpP.x64.dll	ytpxP4hf6EflS0U.exe
File created	C:\Program Files (x86)\GoSave\nNzTHPaqPXylpP.dll	ytpxP4hf6EflS0U.exe
File opened for modification	C:\Program Files (x86)\GoSave\nNzTHPaqPXylpP.dll	ytpxP4hf6EflS0U.exe
File created	C:\Program Files (x86)\GoSave\nNzTHPaqPXylpP.tlb	ytpxP4hf6EflS0U.exe
File opened for modification	C:\Program Files (x86)\GoSave\nNzTHPaqPXylpP.tlb	ytpxP4hf6EflS0U.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4960	ytpxP4hf6EflS0U.exe
4960	ytpxP4hf6EflS0U.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 4960	5036	40713ff2bac5fce5dcf8a5b47b5528225f3aad269e1f283f6b5787b8fead2656.exe	81
PID 5036 wrote to memory of 4960	5036	40713ff2bac5fce5dcf8a5b47b5528225f3aad269e1f283f6b5787b8fead2656.exe	81
PID 5036 wrote to memory of 4960	5036	40713ff2bac5fce5dcf8a5b47b5528225f3aad269e1f283f6b5787b8fead2656.exe	81
PID 4960 wrote to memory of 4540	4960	ytpxP4hf6EflS0U.exe	82
PID 4960 wrote to memory of 4540	4960	ytpxP4hf6EflS0U.exe	82
PID 4960 wrote to memory of 4540	4960	ytpxP4hf6EflS0U.exe	82
PID 4540 wrote to memory of 4936	4540	regsvr32.exe	83
PID 4540 wrote to memory of 4936	4540	regsvr32.exe	83

C:\Users\Admin\AppData\Local\Temp\40713ff2bac5fce5dcf8a5b47b5528225f3aad269e1f283f6b5787b8fead2656.exe
"C:\Users\Admin\AppData\Local\Temp\40713ff2bac5fce5dcf8a5b47b5528225f3aad269e1f283f6b5787b8fead2656.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5036
- C:\Users\Admin\AppData\Local\Temp\7zSB2BB.tmp\ytpxP4hf6EflS0U.exe
  .\ytpxP4hf6EflS0U.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops Chrome extension
  - Installs/modifies Browser Helper Object
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4960
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\GoSave\nNzTHPaqPXylpP.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:4540
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\GoSave\nNzTHPaqPXylpP.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:4936

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

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Downloads

C:\Program Files (x86)\GoSave\nNzTHPaqPXylpP.dat

Filesize
6KB

MD5
1335c4263fd47e58757741dc28ae5224

SHA1
b158aca631cf43f99c7be6dc60ac93ca916a4f5f

SHA256
59215eafffc943811ddfac18031ec2bcc713acd7c00544159d125e84bfa71083

SHA512
9f4561422addc3a2f0386b1994e9edc188ba55b54af875adcd861d0b839577788a8da25462ca680bbace42649a6680dff497e1645e92a0855f04e267323d1fec

Download Submit
C:\Program Files (x86)\GoSave\nNzTHPaqPXylpP.dll

Filesize
621KB

MD5
021d6ecac6ffca37cd098212eb99c22e

SHA1
e662d4f6bcee66df291ee638349bd75d5468e834

SHA256
f9f805536f4f45348b36aa4d60ed1b9869c5fe36acea58c25064dbcdb1a0ee50

SHA512
8fd459ead2ab976a17588f1e5e6c39ffab032d98a1903c1f70ae89dc273eca0a49662f582b6da9e394298ed4f11b7abad50bb51229f77ff2c95502672359572f

Download Submit
C:\Program Files (x86)\GoSave\nNzTHPaqPXylpP.x64.dll

Filesize
699KB

MD5
ab6775c5bb7ec35da3edb40a512efc67

SHA1
62d695981e4e91137a52311eda763ab69aa28739

SHA256
329366453e9690aa8bc34a4d2cec6f90e2b0ddac7608fdfa2a59b950e099f48c

SHA512
07497f58eac44f9b626cf02e1d3043bf51779e7e7fe49878cdcf5888c93a1123043e9c5b813a1049922470ec2116d1d60fa66c770162ef778fc182a878b7ce8c

Download Submit
C:\Program Files (x86)\GoSave\nNzTHPaqPXylpP.x64.dll

Filesize
699KB

MD5
ab6775c5bb7ec35da3edb40a512efc67

SHA1
62d695981e4e91137a52311eda763ab69aa28739

SHA256
329366453e9690aa8bc34a4d2cec6f90e2b0ddac7608fdfa2a59b950e099f48c

SHA512
07497f58eac44f9b626cf02e1d3043bf51779e7e7fe49878cdcf5888c93a1123043e9c5b813a1049922470ec2116d1d60fa66c770162ef778fc182a878b7ce8c

Download Submit
C:\Program Files (x86)\GoSave\nNzTHPaqPXylpP.x64.dll

Filesize
699KB

MD5
ab6775c5bb7ec35da3edb40a512efc67

SHA1
62d695981e4e91137a52311eda763ab69aa28739

SHA256
329366453e9690aa8bc34a4d2cec6f90e2b0ddac7608fdfa2a59b950e099f48c

SHA512
07497f58eac44f9b626cf02e1d3043bf51779e7e7fe49878cdcf5888c93a1123043e9c5b813a1049922470ec2116d1d60fa66c770162ef778fc182a878b7ce8c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB2BB.tmp\gpbjcihpjjplfjjbbnehacmmgmmnknfj\TjNMV.js

Filesize
5KB

MD5
c6ad1aaf8b9c5543ac9abbe78c5ded8d

SHA1
892e9ef500568279b80260444b85f156e661c1ae

SHA256
8c6c2cd3f7911831236080454884b54ecdf2e0e4b572365a4e0919578279b08d

SHA512
255d99faf2939f66988731c86b6a88e08c49d613603c9d5f252c5b871c15726391fea58652b98855ba74829c8d4fe8bddc6b50a5e26ad9c1a3813df32a8acbf6

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB2BB.tmp\gpbjcihpjjplfjjbbnehacmmgmmnknfj\background.html

Filesize
142B

MD5
bbba100cc3f08f192ad2e7c6a381aa89

SHA1
51b03f5da1ccf440065738c390bcdeaedfe90bb6

SHA256
e7b3ac7b8c4402963f6563dc366c1cf8352f5ade2f6431e4d1112e3b72abca02

SHA512
ad965f4411fa5352d96cab03e9657360b53f302f84264a428f738f739cc4c353fbbf36c7bb464a3578daef46d1497af50113415b86e3ce3cf02cbdec5b53d460

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB2BB.tmp\gpbjcihpjjplfjjbbnehacmmgmmnknfj\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB2BB.tmp\gpbjcihpjjplfjjbbnehacmmgmmnknfj\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB2BB.tmp\gpbjcihpjjplfjjbbnehacmmgmmnknfj\manifest.json

Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB2BB.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB2BB.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
177529f24a6d950292baa8b9f4135648

SHA1
490b10ba2cfe8f2bceddde368ccafa38c60bd7c8

SHA256
3707a32a5a5c2f3bda3a80ea7dd49b3b03272b1d670c13309999b1a9215f0283

SHA512
ed0ed9662f0d13eb55ba1e044c948765d6017a6daaa22f617f11e49969db8fbcb26a87844e2d96e6907c6ad2f86a0a66acfd8cfc6f8810ee88eacbc6cc17eee0

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB2BB.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
9b95009803142ee4d31150cfde426dde

SHA1
b64e4f6b3cb71cdeb5d28ffdacd6c76c79d6fafb

SHA256
4f1bcba82a6a54dca440df89f1af4e3fdb43c5b3a4ceb5ac1ad9407c05f09b4e

SHA512
1953a37a0f0206dd4e5cbc4073a2e053ce8f4f4fda7947909438cb0aac4b58437baba16279cba934fcccb3987bb71587a1f4be7351417a5a83ea20f8d0a087da

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB2BB.tmp\[email protected]\install.rdf

Filesize
598B

MD5
aa271b206d4dc67bf732cc60fbd64a07

SHA1
288ddb51b9d0f09864c0ecb3dc5253d57bc234d4

SHA256
7bff91b5821de9093515205b691caec058d1af94a19387d940c88696cb653b44

SHA512
8e26c5b3145465bf18dae2215f3b0edcda1e00faf36fe189c73548829ed3bb0d7f60af7eabac19bdd935e5d8160f240ad70cf84897bacbf1a5c54b50a585323f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB2BB.tmp\nNzTHPaqPXylpP.dll

Filesize
621KB

MD5
021d6ecac6ffca37cd098212eb99c22e

SHA1
e662d4f6bcee66df291ee638349bd75d5468e834

SHA256
f9f805536f4f45348b36aa4d60ed1b9869c5fe36acea58c25064dbcdb1a0ee50

SHA512
8fd459ead2ab976a17588f1e5e6c39ffab032d98a1903c1f70ae89dc273eca0a49662f582b6da9e394298ed4f11b7abad50bb51229f77ff2c95502672359572f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB2BB.tmp\nNzTHPaqPXylpP.tlb

Filesize
3KB

MD5
38dcedc06ce882652b73038799f369c1

SHA1
09985c74e62920963791808be0765222d2a517d3

SHA256
37996a9f383f824002a73026332578b823bacad0a736f2f4c25401f6e2da307c

SHA512
78b7ab8fc102a0f874d24bb40e7b399befe3eb8788c08b059487770dd83a390daf0011c34d6cd29dd78e3436bfd6587fff2f50bde0c3bed49e6ffe27ef0b4c16

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB2BB.tmp\nNzTHPaqPXylpP.x64.dll

Filesize
699KB

MD5
ab6775c5bb7ec35da3edb40a512efc67

SHA1
62d695981e4e91137a52311eda763ab69aa28739

SHA256
329366453e9690aa8bc34a4d2cec6f90e2b0ddac7608fdfa2a59b950e099f48c

SHA512
07497f58eac44f9b626cf02e1d3043bf51779e7e7fe49878cdcf5888c93a1123043e9c5b813a1049922470ec2116d1d60fa66c770162ef778fc182a878b7ce8c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB2BB.tmp\ytpxP4hf6EflS0U.dat

Filesize
6KB

MD5
1335c4263fd47e58757741dc28ae5224

SHA1
b158aca631cf43f99c7be6dc60ac93ca916a4f5f

SHA256
59215eafffc943811ddfac18031ec2bcc713acd7c00544159d125e84bfa71083

SHA512
9f4561422addc3a2f0386b1994e9edc188ba55b54af875adcd861d0b839577788a8da25462ca680bbace42649a6680dff497e1645e92a0855f04e267323d1fec

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB2BB.tmp\ytpxP4hf6EflS0U.exe

Filesize
622KB

MD5
80fb7c6cb182b769448bd45c28fcc963

SHA1
454ad8e9ee2267c72222e7f8a902b2c19cfab01d

SHA256
9abc0a4bba0b42851bed08efb7c1643105b9f256e8ac53ae21d8d7269f9948b3

SHA512
224e8954fcb850ab2570005aa9ba82e643a65e0efaba70ac29b045ec9aba9d11414a211c7e87a8ba96eba1bd872d7541bc0d32890a87b20c814d573cfcfb0f14

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB2BB.tmp\ytpxP4hf6EflS0U.exe

Filesize
622KB

MD5
80fb7c6cb182b769448bd45c28fcc963

SHA1
454ad8e9ee2267c72222e7f8a902b2c19cfab01d

SHA256
9abc0a4bba0b42851bed08efb7c1643105b9f256e8ac53ae21d8d7269f9948b3

SHA512
224e8954fcb850ab2570005aa9ba82e643a65e0efaba70ac29b045ec9aba9d11414a211c7e87a8ba96eba1bd872d7541bc0d32890a87b20c814d573cfcfb0f14

Download Submit