cff5823534c4ad04623ca196ef539128c3fb26d4b63d09f041017cd9dd8d9dfd

Analysis

max time kernel
182s
max time network
187s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
24/11/2022, 08:09

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General

Target

cff5823534c4ad04623ca196ef539128c3fb26d4b63d09f041017cd9dd8d9dfd.exe
Size

2.1MB
MD5

cdf18a2ee977cac824bf2f5e100ac534
SHA1

49dd9100eaef0233ebb9400c7230ea8bbe3bc734
SHA256

cff5823534c4ad04623ca196ef539128c3fb26d4b63d09f041017cd9dd8d9dfd
SHA512

bccad6e936f8abd9dcf7539163071b1f32a1edec8f9f93063616e183915274fcd45d9771e3772dd81d27b5f751849790cf256c394c00e339def2c3e7721d53ec
SSDEEP

24576:h1OYdaOCTwLleYkTVug2PiL0jHM8WK5z6Sh19BUfOD4XRt1otyBNvJvMXzGK5Ih/:h1OshLARTQ9PimJWtShQnvQsruW

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4372	B6xXRVri8OJ3Q6e.exe

Loads dropped DLL 3 IoCs

pid	Process
4372	B6xXRVri8OJ3Q6e.exe
2920	regsvr32.exe
2916	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\ckdjkdjpbjiblnjabibdlkjpekfapmla\1.0\manifest.json	B6xXRVri8OJ3Q6e.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\ckdjkdjpbjiblnjabibdlkjpekfapmla\1.0\manifest.json	B6xXRVri8OJ3Q6e.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\ckdjkdjpbjiblnjabibdlkjpekfapmla\1.0\manifest.json	B6xXRVri8OJ3Q6e.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\ckdjkdjpbjiblnjabibdlkjpekfapmla\1.0\manifest.json	B6xXRVri8OJ3Q6e.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\ckdjkdjpbjiblnjabibdlkjpekfapmla\1.0\manifest.json	B6xXRVri8OJ3Q6e.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\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	B6xXRVri8OJ3Q6e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	B6xXRVri8OJ3Q6e.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	B6xXRVri8OJ3Q6e.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	B6xXRVri8OJ3Q6e.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\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

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\DjFEbNcc0gFczL.dll	B6xXRVri8OJ3Q6e.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\DjFEbNcc0gFczL.tlb	B6xXRVri8OJ3Q6e.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\DjFEbNcc0gFczL.tlb	B6xXRVri8OJ3Q6e.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\DjFEbNcc0gFczL.dat	B6xXRVri8OJ3Q6e.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\DjFEbNcc0gFczL.dat	B6xXRVri8OJ3Q6e.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\DjFEbNcc0gFczL.x64.dll	B6xXRVri8OJ3Q6e.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\DjFEbNcc0gFczL.x64.dll	B6xXRVri8OJ3Q6e.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\DjFEbNcc0gFczL.dll	B6xXRVri8OJ3Q6e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4372	B6xXRVri8OJ3Q6e.exe
4372	B6xXRVri8OJ3Q6e.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4036 wrote to memory of 4372	4036	cff5823534c4ad04623ca196ef539128c3fb26d4b63d09f041017cd9dd8d9dfd.exe	82
PID 4036 wrote to memory of 4372	4036	cff5823534c4ad04623ca196ef539128c3fb26d4b63d09f041017cd9dd8d9dfd.exe	82
PID 4036 wrote to memory of 4372	4036	cff5823534c4ad04623ca196ef539128c3fb26d4b63d09f041017cd9dd8d9dfd.exe	82
PID 4372 wrote to memory of 2920	4372	B6xXRVri8OJ3Q6e.exe	83
PID 4372 wrote to memory of 2920	4372	B6xXRVri8OJ3Q6e.exe	83
PID 4372 wrote to memory of 2920	4372	B6xXRVri8OJ3Q6e.exe	83
PID 2920 wrote to memory of 2916	2920	regsvr32.exe	84
PID 2920 wrote to memory of 2916	2920	regsvr32.exe	84

C:\Users\Admin\AppData\Local\Temp\cff5823534c4ad04623ca196ef539128c3fb26d4b63d09f041017cd9dd8d9dfd.exe
"C:\Users\Admin\AppData\Local\Temp\cff5823534c4ad04623ca196ef539128c3fb26d4b63d09f041017cd9dd8d9dfd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4036
- C:\Users\Admin\AppData\Local\Temp\7zS31D.tmp\B6xXRVri8OJ3Q6e.exe
  .\B6xXRVri8OJ3Q6e.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:4372
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\YoutubeAdBlocke\DjFEbNcc0gFczL.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2920
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\YoutubeAdBlocke\DjFEbNcc0gFczL.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:2916

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)\YoutubeAdBlocke\DjFEbNcc0gFczL.dat

Filesize
6KB

MD5
bf95cbb67f73748be0aab25735e11a02

SHA1
69fd86388f6a7ae9d8af104fdd641d406ef270ce

SHA256
d582ad2579597101681a18adbca934218bd03735bdb58c82e1e8587e6d5b5700

SHA512
09f39e4ff90b18937a08fced23f1ccdf99be9c568cecdf930f069c2ddea7d657b33064dbf57278fb0cfc7edc4d7fd60071c4d85b9d29938c19280cb5055bdf09

Download Submit
C:\Program Files (x86)\YoutubeAdBlocke\DjFEbNcc0gFczL.dll

Filesize
611KB

MD5
123fde8f1a45be2f971b36a8ae5457ef

SHA1
78f77c976bec0b388407f986e7866818512eec97

SHA256
12869f73fb78fcbb8876e10772d081890b19fd1e228dd83ca012416cf26e931e

SHA512
4ae3708e45e15a49e7ba1d338a9186ed47f41abe57727d57833a33be887043dcb950d02bc52f79ee414df0df56c3e87f213995fa222a6f0e1c659393860231d9

Download Submit
C:\Program Files (x86)\YoutubeAdBlocke\DjFEbNcc0gFczL.x64.dll

Filesize
693KB

MD5
c59945c3f5074d51077f2d598680aa11

SHA1
7d2ab4599f476d9da677283bdfcff5164a30b2e7

SHA256
10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

SHA512
d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

Download Submit
C:\Program Files (x86)\YoutubeAdBlocke\DjFEbNcc0gFczL.x64.dll

Filesize
693KB

MD5
c59945c3f5074d51077f2d598680aa11

SHA1
7d2ab4599f476d9da677283bdfcff5164a30b2e7

SHA256
10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

SHA512
d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

Download Submit
C:\Program Files (x86)\YoutubeAdBlocke\DjFEbNcc0gFczL.x64.dll

Filesize
693KB

MD5
c59945c3f5074d51077f2d598680aa11

SHA1
7d2ab4599f476d9da677283bdfcff5164a30b2e7

SHA256
10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

SHA512
d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS31D.tmp\B6xXRVri8OJ3Q6e.dat

Filesize
6KB

MD5
bf95cbb67f73748be0aab25735e11a02

SHA1
69fd86388f6a7ae9d8af104fdd641d406ef270ce

SHA256
d582ad2579597101681a18adbca934218bd03735bdb58c82e1e8587e6d5b5700

SHA512
09f39e4ff90b18937a08fced23f1ccdf99be9c568cecdf930f069c2ddea7d657b33064dbf57278fb0cfc7edc4d7fd60071c4d85b9d29938c19280cb5055bdf09

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS31D.tmp\B6xXRVri8OJ3Q6e.exe

Filesize
634KB

MD5
8b3b2e0c8e5f6fdefb32e82daf230175

SHA1
4ddeb5ed636661376b8e1ef41e5162387724ed44

SHA256
e7be2ab45ff78525377a8da7205bbc29f871c907ddf30879d29aa0c219f65e99

SHA512
8aeb49852cb6a1335df799e8e30b34d83303a225c1a7b2e029368246d81463d653109a4454a3f9196fa050c2a5e9ba4dc8372900c55ce989c821c954cb850038

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS31D.tmp\B6xXRVri8OJ3Q6e.exe

Filesize
634KB

MD5
8b3b2e0c8e5f6fdefb32e82daf230175

SHA1
4ddeb5ed636661376b8e1ef41e5162387724ed44

SHA256
e7be2ab45ff78525377a8da7205bbc29f871c907ddf30879d29aa0c219f65e99

SHA512
8aeb49852cb6a1335df799e8e30b34d83303a225c1a7b2e029368246d81463d653109a4454a3f9196fa050c2a5e9ba4dc8372900c55ce989c821c954cb850038

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS31D.tmp\DjFEbNcc0gFczL.dll

Filesize
611KB

MD5
123fde8f1a45be2f971b36a8ae5457ef

SHA1
78f77c976bec0b388407f986e7866818512eec97

SHA256
12869f73fb78fcbb8876e10772d081890b19fd1e228dd83ca012416cf26e931e

SHA512
4ae3708e45e15a49e7ba1d338a9186ed47f41abe57727d57833a33be887043dcb950d02bc52f79ee414df0df56c3e87f213995fa222a6f0e1c659393860231d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS31D.tmp\DjFEbNcc0gFczL.tlb

Filesize
3KB

MD5
d5c4233a6c3de331b459f5f6a35ae3dd

SHA1
b5f1bf145f4e0896d7ae500abecbfaca715c18ab

SHA256
f3fca93b2a2848af13dcd30cad6305d20319d0a96f622f96753c1aebb91c885c

SHA512
4af48daa80dcd76cf45018d7edef74f35c5917457dd598f5a2071bba8875d75280326e41f3f5885d5301a596c22a3833cb062e2f4c97e0d83a01ad2644056e76

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS31D.tmp\DjFEbNcc0gFczL.x64.dll

Filesize
693KB

MD5
c59945c3f5074d51077f2d598680aa11

SHA1
7d2ab4599f476d9da677283bdfcff5164a30b2e7

SHA256
10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

SHA512
d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS31D.tmp\ckdjkdjpbjiblnjabibdlkjpekfapmla\KN1G.js

Filesize
5KB

MD5
ffc4442a8b8491aca7c5dc912d466c1e

SHA1
287d07efcc929933e558cca537943e1c88c184be

SHA256
d3f35cb4cb6857bfe999afc28d4e8694dbbc137308b033e14bdad1fb518c5198

SHA512
0306d420c5c40ffd21e6001e1ad97f8468dfc0f680f3f4b1313771af0a2e689835f51c2afe3aa84213fc1b007a49e1dfbd44b08fa141299b6688f9d7c41f8b19

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS31D.tmp\ckdjkdjpbjiblnjabibdlkjpekfapmla\background.html

Filesize
141B

MD5
33c849857f020bfeebcd74203ac326b5

SHA1
31325dfde540f6ecb8d6e1f63ad1255836a526f4

SHA256
eeabe7da66ba473a5cb338b4f619365a9aa61d80fa81f65bde7cc2ccddfdbe30

SHA512
169996febfb8f5b5ae33923a94f155bbca3306501f67d22ada84579c841c4880d33b303dcc8397ea867a8eb09c2b37477395a7d8780a2456dc00db476bfb98ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS31D.tmp\ckdjkdjpbjiblnjabibdlkjpekfapmla\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS31D.tmp\ckdjkdjpbjiblnjabibdlkjpekfapmla\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS31D.tmp\ckdjkdjpbjiblnjabibdlkjpekfapmla\manifest.json

Filesize
507B

MD5
d429395a45a9aa09e4ee9054e9196b30

SHA1
c5dbab4e27650b07d4d159c305d08a9d578c3a3e

SHA256
674fc32cde82ed69cb8595bbea9f70f69097062c39bd6a3a505227a4f4a45344

SHA512
4a5bc7c005e573bf0cdb89489d676fb26c5fe116d397a6cd7a1ebb2cae9605b3d1657378e17d354cb102e93c39b32fa8d2963f375af37c871452f3170356101e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS31D.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS31D.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
0f4d751346df240a0e04f06692f5dcd3

SHA1
01e944a8d78dd32089859ca34a66cfbf7c3fcd73

SHA256
c605a8ce4e0f81ed4b941faafe57c60ea01fd65b02ebd8fccaa4bba95ec91fa8

SHA512
c98590150869bc1438d763ba9520b6ebf226ac2ebda6b45260aa35e1c208c4b1d2eda5eedd17b9e55182148149bad661bfc6a1f7f2688d3db235a8e41c9b20e5

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS31D.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
f7800128a9d39a2bf380b2bdf92f0a54

SHA1
2bc962f554983d0f95dbda87ca1e755a51258262

SHA256
ee94e510e5004b154d6368f998b35aabed9f4a1b6fa0e8b930faed7a74c78ba7

SHA512
12e38e7a3510e7c8d1a6e40d1829db89a5e2bb77b69174e7d72fa680b239d3ff9619f5706c2f207e73f0afb5041af1e7f567ae41518ca90c2bc5482d1c9a467e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS31D.tmp\[email protected]\install.rdf

Filesize
605B

MD5
710e01321aa370a03e6b50f13cc5336a

SHA1
ddd26154685a33c94c814deeeb5eb1f8d1ecf396

SHA256
b864bf5bddd9c6bf9c6afa54780599c692211f1e5940ca72a39e391cd3dd09b8

SHA512
fe9d16b7f50097a4bb0f1eeb359970226d9ccb2e3b997f11841386dc206ad3cf4b3bed02bade2d6189b3e8d786d18e29bbb4755b47009e4272494f0173e1dbdc

Download Submit