59417e662e4a2194e269f8f8d7a40862d5eb8419ebf5b1dcf0cf186b37d9353b

Analysis

max time kernel
184s
max time network
232s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 17:08

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General

Target

59417e662e4a2194e269f8f8d7a40862d5eb8419ebf5b1dcf0cf186b37d9353b.exe
Size

2.1MB
MD5

470e0f2e6522ce2f8dbccbf176a739f4
SHA1

715d9b1daeac8474edddca57a46d671ed42eceaa
SHA256

59417e662e4a2194e269f8f8d7a40862d5eb8419ebf5b1dcf0cf186b37d9353b
SHA512

6e7443fcf0daf4c367198a9ea47be2f2934fbdc10357f8f9bfe3b44411001d306f62e883e0c8f3f893f3a26438dfd8a82ce100823955d67d9d429c419d90bd6e
SSDEEP

49152:h1OsyAxPqbaJ0CqWfTAeP20icuFMDoiXrBSdCIlE05XwjXr3F:h1OfAxib7CqWfTAeP2vaDhtSdpE

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

EyynVyDhX412Ych.exe

pid process

4012 EyynVyDhX412Ych.exe
Loads dropped DLL 3 IoCs

Processes:

EyynVyDhX412Ych.exeregsvr32.exeregsvr32.exe

pid process

4012 EyynVyDhX412Ych.exe
1588 regsvr32.exe
4692 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

pid	process
4012	EyynVyDhX412Ych.exe

pid	process
4012	EyynVyDhX412Ych.exe
1588	regsvr32.exe
4692	regsvr32.exe

Drops Chrome extension 5 IoCs

Processes:

EyynVyDhX412Ych.exe

description	ioc	process
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\belnmogadajfdgdobfeconbplkfcmdpl\1.0\manifest.json	EyynVyDhX412Ych.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\belnmogadajfdgdobfeconbplkfcmdpl\1.0\manifest.json	EyynVyDhX412Ych.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\belnmogadajfdgdobfeconbplkfcmdpl\1.0\manifest.json	EyynVyDhX412Ych.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\belnmogadajfdgdobfeconbplkfcmdpl\1.0\manifest.json	EyynVyDhX412Ych.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\belnmogadajfdgdobfeconbplkfcmdpl\1.0\manifest.json	EyynVyDhX412Ych.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

Processes:

EyynVyDhX412Ych.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	EyynVyDhX412Ych.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	EyynVyDhX412Ych.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	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	EyynVyDhX412Ych.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	EyynVyDhX412Ych.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 created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	regsvr32.exe

Drops file in Program Files directory 8 IoCs

Processes:

EyynVyDhX412Ych.exe

description	ioc	process
File created	C:\Program Files (x86)\YoutubeAdBlocke\VCO6ZGBcpBF4BT.x64.dll	EyynVyDhX412Ych.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\VCO6ZGBcpBF4BT.x64.dll	EyynVyDhX412Ych.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\VCO6ZGBcpBF4BT.dll	EyynVyDhX412Ych.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\VCO6ZGBcpBF4BT.dll	EyynVyDhX412Ych.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\VCO6ZGBcpBF4BT.tlb	EyynVyDhX412Ych.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\VCO6ZGBcpBF4BT.tlb	EyynVyDhX412Ych.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\VCO6ZGBcpBF4BT.dat	EyynVyDhX412Ych.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\VCO6ZGBcpBF4BT.dat	EyynVyDhX412Ych.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

EyynVyDhX412Ych.exe

pid process

4012 EyynVyDhX412Ych.exe
4012 EyynVyDhX412Ych.exe

pid	process
4012	EyynVyDhX412Ych.exe
4012	EyynVyDhX412Ych.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

59417e662e4a2194e269f8f8d7a40862d5eb8419ebf5b1dcf0cf186b37d9353b.exeEyynVyDhX412Ych.exeregsvr32.exe

description	pid	process	target process
PID 3948 wrote to memory of 4012	3948	59417e662e4a2194e269f8f8d7a40862d5eb8419ebf5b1dcf0cf186b37d9353b.exe	EyynVyDhX412Ych.exe
PID 3948 wrote to memory of 4012	3948	59417e662e4a2194e269f8f8d7a40862d5eb8419ebf5b1dcf0cf186b37d9353b.exe	EyynVyDhX412Ych.exe
PID 3948 wrote to memory of 4012	3948	59417e662e4a2194e269f8f8d7a40862d5eb8419ebf5b1dcf0cf186b37d9353b.exe	EyynVyDhX412Ych.exe
PID 4012 wrote to memory of 1588	4012	EyynVyDhX412Ych.exe	regsvr32.exe
PID 4012 wrote to memory of 1588	4012	EyynVyDhX412Ych.exe	regsvr32.exe
PID 4012 wrote to memory of 1588	4012	EyynVyDhX412Ych.exe	regsvr32.exe
PID 1588 wrote to memory of 4692	1588	regsvr32.exe	regsvr32.exe
PID 1588 wrote to memory of 4692	1588	regsvr32.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\59417e662e4a2194e269f8f8d7a40862d5eb8419ebf5b1dcf0cf186b37d9353b.exe
"C:\Users\Admin\AppData\Local\Temp\59417e662e4a2194e269f8f8d7a40862d5eb8419ebf5b1dcf0cf186b37d9353b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3948

C:\Users\Admin\AppData\Local\Temp\7zSAA3A.tmp\EyynVyDhX412Ych.exe
.\EyynVyDhX412Ych.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:4012

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\YoutubeAdBlocke\VCO6ZGBcpBF4BT.x64.dll"
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1588

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\YoutubeAdBlocke\VCO6ZGBcpBF4BT.x64.dll"
4⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
PID:4692

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\Program Files (x86)\YoutubeAdBlocke\VCO6ZGBcpBF4BT.dat
Filesize
6KB

MD5
5593844cc6778b03b90d963310176ba9

SHA1
49c798730e8e8b519098dcb39d6d1a9dea3a2bcc

SHA256
647773202919b89904936b4454a939ef4d7c158ceda4e7061341de796fa5d353

SHA512
8c6b4b6a0c3fc33a91b9b0dea5bf7cd1ed2850d53400e6b1672b03d8b578b60b16497ee86d5cb2846151fe8803cf3fc8bc135ec737761884edb094f12c7a2fa6

Download Submit
C:\Program Files (x86)\YoutubeAdBlocke\VCO6ZGBcpBF4BT.dll
Filesize
617KB

MD5
840d829dddf8d035522e4f3547f72799

SHA1
1f669f414a0935ef806bdb8a93d2755f00104519

SHA256
a8405b5162305f768093c227ad9ece6ddd74f6dfe17fd0878a4e64e61e125d42

SHA512
e447ed7f6bbaacd8523984bae1584f39c4c38e93abd43d4e25c8056143d3228a3993d7aab8fd92d2e6baf0157a1d8638a1254eed037f3eb64250b6ca586913c7

Download Submit
C:\Program Files (x86)\YoutubeAdBlocke\VCO6ZGBcpBF4BT.x64.dll
Filesize
697KB

MD5
09b1827343abfccf344d2b04268c1b87

SHA1
1c60bbd56c0b33be582c3dac053e9b28b94d588b

SHA256
a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

SHA512
cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

Download Submit
C:\Program Files (x86)\YoutubeAdBlocke\VCO6ZGBcpBF4BT.x64.dll
Filesize
697KB

MD5
09b1827343abfccf344d2b04268c1b87

SHA1
1c60bbd56c0b33be582c3dac053e9b28b94d588b

SHA256
a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

SHA512
cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

Download Submit
C:\Program Files (x86)\YoutubeAdBlocke\VCO6ZGBcpBF4BT.x64.dll
Filesize
697KB

MD5
09b1827343abfccf344d2b04268c1b87

SHA1
1c60bbd56c0b33be582c3dac053e9b28b94d588b

SHA256
a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

SHA512
cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSAA3A.tmp\[email protected]\bootstrap.js
Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSAA3A.tmp\[email protected]\chrome.manifest
Filesize
35B

MD5
c6f03ad45b4b37d60f94d7a3f6299fe2

SHA1
f4e2c352d1f545511e21481ce4112b0a7f152999

SHA256
b2e21023b65226d57a506ce56357222ef33585f1620284840c712cda179d0232

SHA512
95641cd5ec521dd387f7faf24512abe89dfcf072afe33a0fd807b39f51eeab56fd7c37e6373c5f9c14ed82b76968978ff77f1137f47713e94fb7650da4d0c3cd

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSAA3A.tmp\[email protected]\content\bg.js
Filesize
7KB

MD5
9daf1f6c45c89edf841bd95f21dd2dcd

SHA1
26b3292ea42c8c16c4ff8e913bad43c4a4c42cee

SHA256
b8938cfefbf009ddb73fea6afbc400cb38833572c45205e870c12a8a8b53dd06

SHA512
57d38f40feb245eb72574ca86d7252c8eb84bc597e93485ae31b838e58bd8b46a8d1744c12605d75d728c995127a24d8193098eec5e92424e156a4b5542b78cd

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSAA3A.tmp\[email protected]\install.rdf
Filesize
606B

MD5
4b6d441a00f5a9629222c3f1b00bebd0

SHA1
323ed8d87446da79f51398d19d28174473094e27

SHA256
4ef218baba8233f82f23f09ed161303febf2c23ab9f2c03b0e37f42d380b0cbb

SHA512
d03e0d6a7855112bcc3ae81e4cb16d8614e10d9e52896488e391f91e238cc06f744cda6d2800b5dd939a562c1e1283f496ba429e1f6804e29d4e7eff85ad8ffe

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSAA3A.tmp\EyynVyDhX412Ych.dat
Filesize
6KB

MD5
5593844cc6778b03b90d963310176ba9

SHA1
49c798730e8e8b519098dcb39d6d1a9dea3a2bcc

SHA256
647773202919b89904936b4454a939ef4d7c158ceda4e7061341de796fa5d353

SHA512
8c6b4b6a0c3fc33a91b9b0dea5bf7cd1ed2850d53400e6b1672b03d8b578b60b16497ee86d5cb2846151fe8803cf3fc8bc135ec737761884edb094f12c7a2fa6

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSAA3A.tmp\EyynVyDhX412Ych.exe
Filesize
634KB

MD5
39bca0c0295e43a1d256f93c4bc41a7d

SHA1
163629228f4ad397c594ae4acc1162d2990f7d5f

SHA256
2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

SHA512
e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSAA3A.tmp\EyynVyDhX412Ych.exe
Filesize
634KB

MD5
39bca0c0295e43a1d256f93c4bc41a7d

SHA1
163629228f4ad397c594ae4acc1162d2990f7d5f

SHA256
2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

SHA512
e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSAA3A.tmp\VCO6ZGBcpBF4BT.dll
Filesize
617KB

MD5
840d829dddf8d035522e4f3547f72799

SHA1
1f669f414a0935ef806bdb8a93d2755f00104519

SHA256
a8405b5162305f768093c227ad9ece6ddd74f6dfe17fd0878a4e64e61e125d42

SHA512
e447ed7f6bbaacd8523984bae1584f39c4c38e93abd43d4e25c8056143d3228a3993d7aab8fd92d2e6baf0157a1d8638a1254eed037f3eb64250b6ca586913c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSAA3A.tmp\VCO6ZGBcpBF4BT.tlb
Filesize
3KB

MD5
6fb4d3c40d62e1e378e92280f2cd93a4

SHA1
cdcd20abfab5c8f24b0bf2e24b43930a33b4d147

SHA256
ffe3ee2134494c6e175cf01e0fc518402384a1f79a46a37f441e6e3c74183983

SHA512
960ecc2ce3d9ee0a828780d0770a4966211a55c8587e36b460c3c5d2bf7a338bd538c13bb07e93b647b5c1056fc0c14f90cf59a4b13508350922cda38ab6538d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSAA3A.tmp\VCO6ZGBcpBF4BT.x64.dll
Filesize
697KB

MD5
09b1827343abfccf344d2b04268c1b87

SHA1
1c60bbd56c0b33be582c3dac053e9b28b94d588b

SHA256
a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

SHA512
cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSAA3A.tmp\belnmogadajfdgdobfeconbplkfcmdpl\LFwvrOtL.js
Filesize
5KB

MD5
5359a8b0133cc3690f6edee590406da6

SHA1
befe66404508687c2ce72e464e988c53594acca2

SHA256
b8a51786ae52f7e85f2f6682888a811da722dcb3acb4e866a1a5078bd845f99f

SHA512
9e94bc1f5198c0bf54c5ea30d4fa5e8f74b7e1ad2bd1fdb4eab21c95af2690f18e78e4fa0f6f4e1ced05f2d3e3d467f02b1e0dace2764a44a7db4f76517c13db

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSAA3A.tmp\belnmogadajfdgdobfeconbplkfcmdpl\background.html
Filesize
145B

MD5
a32a1d30fa0966f70e8f23ae92ee7644

SHA1
b41f80d93066418b796744683678a29459a7989b

SHA256
ed4d552d593eba3aa27e4cda54d4d29eb021d09783c7317989c2c08799b97c3b

SHA512
a17a954ff05aee08833f73ad41c59cb3b7dec9513a0d36287cda2351841772ba602a597fdcc0335be05df4be6a425ec0a93639f33b554744e5285788f3129b20

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSAA3A.tmp\belnmogadajfdgdobfeconbplkfcmdpl\content.js
Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSAA3A.tmp\belnmogadajfdgdobfeconbplkfcmdpl\lsdb.js
Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSAA3A.tmp\belnmogadajfdgdobfeconbplkfcmdpl\manifest.json
Filesize
507B

MD5
d429395a45a9aa09e4ee9054e9196b30

SHA1
c5dbab4e27650b07d4d159c305d08a9d578c3a3e

SHA256
674fc32cde82ed69cb8595bbea9f70f69097062c39bd6a3a505227a4f4a45344

SHA512
4a5bc7c005e573bf0cdb89489d676fb26c5fe116d397a6cd7a1ebb2cae9605b3d1657378e17d354cb102e93c39b32fa8d2963f375af37c871452f3170356101e

Download Submit
memory/1588-150-0x0000000000000000-mapping.dmp

Download
memory/4012-133-0x0000000000000000-mapping.dmp

Download
memory/4692-153-0x0000000000000000-mapping.dmp

Download