a537929cebf4db4c8419a271b2958985ac321948b6f7e0e29241b9f37b0536cc

Analysis

max time kernel
270s
max time network
299s
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 21:15

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a537929cebf4db4c8419a271b2958985ac321948b6f7e0e29241b9f37b0536cc.exe
Size

2.5MB
MD5

68160fe3148de6c4b457b9ff7548d023
SHA1

f3bcedc72b3caf505c0aff1a13b9afcdd1d8b168
SHA256

a537929cebf4db4c8419a271b2958985ac321948b6f7e0e29241b9f37b0536cc
SHA512

1756e4a28532c1067017c445b7094e867ebc76be80ce37f67df5d285943fc673962f298c7aa43a871e20b40423a423f4c450af43b91224ad292596175559e8c8
SSDEEP

49152:h1OsG+CUVCan0ytkbv/uiAY2QipuqOXMzsivHHOHNRcb8N:h1Ot+Yan0v+QAuqOXQBv8

Score

8^/10

adware spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Tw1fgF7OZes8kyt.exe

pid process

1088 Tw1fgF7OZes8kyt.exe
Loads dropped DLL 1 IoCs

Processes:

Tw1fgF7OZes8kyt.exe

pid process

1088 Tw1fgF7OZes8kyt.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

pid	process
1088	Tw1fgF7OZes8kyt.exe

pid	process
1088	Tw1fgF7OZes8kyt.exe

Drops Chrome extension 5 IoCs

Processes:

Tw1fgF7OZes8kyt.exe

description	ioc	process
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\fjmhhkhebjokmaacjcgbhbnjfagcckkl\2.0\manifest.json	Tw1fgF7OZes8kyt.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\fjmhhkhebjokmaacjcgbhbnjfagcckkl\2.0\manifest.json	Tw1fgF7OZes8kyt.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\fjmhhkhebjokmaacjcgbhbnjfagcckkl\2.0\manifest.json	Tw1fgF7OZes8kyt.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\fjmhhkhebjokmaacjcgbhbnjfagcckkl\2.0\manifest.json	Tw1fgF7OZes8kyt.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\fjmhhkhebjokmaacjcgbhbnjfagcckkl\2.0\manifest.json	Tw1fgF7OZes8kyt.exe

Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

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

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

Tw1fgF7OZes8kyt.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	Tw1fgF7OZes8kyt.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	Tw1fgF7OZes8kyt.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	Tw1fgF7OZes8kyt.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	Tw1fgF7OZes8kyt.exe

Drops file in Program Files directory 8 IoCs

Processes:

Tw1fgF7OZes8kyt.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\GoSave\SS7D33d5mZHE3Z.x64.dll	Tw1fgF7OZes8kyt.exe
File created	C:\Program Files (x86)\GoSave\SS7D33d5mZHE3Z.dll	Tw1fgF7OZes8kyt.exe
File opened for modification	C:\Program Files (x86)\GoSave\SS7D33d5mZHE3Z.dll	Tw1fgF7OZes8kyt.exe
File created	C:\Program Files (x86)\GoSave\SS7D33d5mZHE3Z.tlb	Tw1fgF7OZes8kyt.exe
File opened for modification	C:\Program Files (x86)\GoSave\SS7D33d5mZHE3Z.tlb	Tw1fgF7OZes8kyt.exe
File created	C:\Program Files (x86)\GoSave\SS7D33d5mZHE3Z.dat	Tw1fgF7OZes8kyt.exe
File opened for modification	C:\Program Files (x86)\GoSave\SS7D33d5mZHE3Z.dat	Tw1fgF7OZes8kyt.exe
File created	C:\Program Files (x86)\GoSave\SS7D33d5mZHE3Z.x64.dll	Tw1fgF7OZes8kyt.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Tw1fgF7OZes8kyt.exe

pid process

1088 Tw1fgF7OZes8kyt.exe
1088 Tw1fgF7OZes8kyt.exe

pid	process
1088	Tw1fgF7OZes8kyt.exe
1088	Tw1fgF7OZes8kyt.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

a537929cebf4db4c8419a271b2958985ac321948b6f7e0e29241b9f37b0536cc.exeTw1fgF7OZes8kyt.exe

description	pid	process	target process
PID 4588 wrote to memory of 1088	4588	a537929cebf4db4c8419a271b2958985ac321948b6f7e0e29241b9f37b0536cc.exe	Tw1fgF7OZes8kyt.exe
PID 4588 wrote to memory of 1088	4588	a537929cebf4db4c8419a271b2958985ac321948b6f7e0e29241b9f37b0536cc.exe	Tw1fgF7OZes8kyt.exe
PID 4588 wrote to memory of 1088	4588	a537929cebf4db4c8419a271b2958985ac321948b6f7e0e29241b9f37b0536cc.exe	Tw1fgF7OZes8kyt.exe
PID 1088 wrote to memory of 4824	1088	Tw1fgF7OZes8kyt.exe	regsvr32.exe
PID 1088 wrote to memory of 4824	1088	Tw1fgF7OZes8kyt.exe	regsvr32.exe
PID 1088 wrote to memory of 4824	1088	Tw1fgF7OZes8kyt.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\a537929cebf4db4c8419a271b2958985ac321948b6f7e0e29241b9f37b0536cc.exe
"C:\Users\Admin\AppData\Local\Temp\a537929cebf4db4c8419a271b2958985ac321948b6f7e0e29241b9f37b0536cc.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4588

C:\Users\Admin\AppData\Local\Temp\7zSACA6.tmp\Tw1fgF7OZes8kyt.exe
.\Tw1fgF7OZes8kyt.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:1088

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\SS7D33d5mZHE3Z.x64.dll"
3⤵
PID:4824

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

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\GoSave\SS7D33d5mZHE3Z.dll
Filesize
749KB

MD5
a8100741ab8af6097247f445cee85e1c

SHA1
e8febe07d4454e884c7dda60a6310a822cac340e

SHA256
893e0c1e415f5375c78b0e15020d7f70aa99c90ca439d41c57c078d1835f7f0a

SHA512
3ed9740fc2f1b2943816a5785543cfda403b63fd1260df1c8ba5ec9627866c682706fd644f2daf4ee688986f25b7ee8ae56b39f2842bd837059fbfdfd5024762

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSACA6.tmp\[email protected]\bootstrap.js
Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSACA6.tmp\[email protected]\chrome.manifest
Filesize
35B

MD5
56b3f905c51947534a93604e23dfd27d

SHA1
e18a4b3190bbd509bc222b1f24a89b4f475114b6

SHA256
5d24748e9f3a5dd2240a4d1c47eb1e4bab9ead0f395e5254007349036b61c073

SHA512
859689c50ec626d772b60ef8b6eb82072ef2d0c7f51d0a0cc269bd901e60b79d24511dbfb5e6493c2b293c3eece0dbe8c5d76f908d393653209e1a69f92e6f03

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSACA6.tmp\[email protected]\content\bg.js
Filesize
7KB

MD5
34c7cc4506067c1e1bbc9f3f8bd1a5d5

SHA1
4096d7c255822e41637a409d9abe2b244b4f968e

SHA256
db8b5988fa8058ca3557d2177b922c7dca9e59cb9c94e87c1751f9f27a0e78b0

SHA512
e195b33a289d47644e9c2a4712d76ac7cdab2422fa50068865540c29aa1e77590219fa4a190e15ac8c295b2fe9e23bcaa6167173daedd10f37ed746bfceb732f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSACA6.tmp\[email protected]\install.rdf
Filesize
596B

MD5
c03c4a0916fcc4478485f12854d1ab4a

SHA1
7b2b705a2a726784dcb463cef8e40cef5f188756

SHA256
2699cca42a0e5ae0963169efd376e1d53b7b816a166b3939e7649ea8bfdcb46a

SHA512
b054a838db321e4f00f490c1cd71c76859abce955eeb7afc46db81599b22b332194373590394dc29d90ecbffb06672925aa650c377af794c44c3d9d5d2ff8ce4

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSACA6.tmp\SS7D33d5mZHE3Z.dll
Filesize
749KB

MD5
a8100741ab8af6097247f445cee85e1c

SHA1
e8febe07d4454e884c7dda60a6310a822cac340e

SHA256
893e0c1e415f5375c78b0e15020d7f70aa99c90ca439d41c57c078d1835f7f0a

SHA512
3ed9740fc2f1b2943816a5785543cfda403b63fd1260df1c8ba5ec9627866c682706fd644f2daf4ee688986f25b7ee8ae56b39f2842bd837059fbfdfd5024762

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSACA6.tmp\SS7D33d5mZHE3Z.tlb
Filesize
3KB

MD5
55036102fbe33fe4808fee8da37dfd2e

SHA1
6a3b76d89c42818189d05b37d9571be4b8f6b6b5

SHA256
a80428e48783d869c7463688ceca06b79af826ebd208b5d10a716c88b804f18b

SHA512
6da5713c4f07c38a49a4c93324365e1801b44f239444c29285ce68e9d11568449d871078edd58092b1670401bda34e424adf4d3671d10859f7351d9d45b7c272

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSACA6.tmp\SS7D33d5mZHE3Z.x64.dll
Filesize
881KB

MD5
bbec1f94c849ac4b361307420ccdc7ca

SHA1
bf13082a49dccc2aeb426965a755c981b3a6f87c

SHA256
803647055a99148674a80d8b791bbf4aec502bc85aa9a579b6a0a80ca8f0de35

SHA512
e0ec8717d067ca73cc0bdd0cf812f568e9c5dcd8aeb64bff00232330a46b0a16b93074cc035a93634afebf639cb9a1155c197701a9809a590af227a467d83611

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSACA6.tmp\Tw1fgF7OZes8kyt.dat
Filesize
6KB

MD5
8da88fa3a672b7cb5cca3a2e180d7656

SHA1
52f27b45caf8867ed3827a7caaf8eae01264c559

SHA256
903fc5d996f2f9b11416fdec5d443d2612fb733362b0243188b7b9b4750765c2

SHA512
221e94ce5fb2f17e88eb674f6b7d914547947578d03ba994fe5d84841006672ed2dd9db346435b1bf8a967305a3f3025e5ef446cf08ae07760d1d73da2a14b09

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSACA6.tmp\Tw1fgF7OZes8kyt.exe
Filesize
770KB

MD5
a82d1b7ae1c33f81f672f8854ffccd3f

SHA1
d45a8ece75948bbc6f0e016a624f3000b12148fe

SHA256
bbcfacae3d17e8bc208d5c7bed61c00ef8591ee27bee2ceaa94a2c1231a512fc

SHA512
50192524d5e4e830e1d9f62f31ec5983bde14c09cbeab9ef75bc84617cb0ed16d51b49b7e141c87f265d3315c32cd9ea96d8dd46c640a0b7af1f1cb4ffaf5da2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSACA6.tmp\Tw1fgF7OZes8kyt.exe
Filesize
770KB

MD5
a82d1b7ae1c33f81f672f8854ffccd3f

SHA1
d45a8ece75948bbc6f0e016a624f3000b12148fe

SHA256
bbcfacae3d17e8bc208d5c7bed61c00ef8591ee27bee2ceaa94a2c1231a512fc

SHA512
50192524d5e4e830e1d9f62f31ec5983bde14c09cbeab9ef75bc84617cb0ed16d51b49b7e141c87f265d3315c32cd9ea96d8dd46c640a0b7af1f1cb4ffaf5da2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSACA6.tmp\fjmhhkhebjokmaacjcgbhbnjfagcckkl\background.html
Filesize
146B

MD5
f511cccbcccbf06c5ffbf77397e410a1

SHA1
68718be01f718b7ceb8cbbc11d56df78db14a26e

SHA256
fef399d48cab2d60b3cbe9b9c72d78b2d673bee866425f2d5e5b6afa4699a2aa

SHA512
cc25faae2dc6a2a3671a4f251a88c5e1300efcb03e4af5fe01b4cffc6f53647a3bdeb0613cfba7d4b412caf91e8f2c7fc125ece6c3d63fbe2838f936ed3ce45f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSACA6.tmp\fjmhhkhebjokmaacjcgbhbnjfagcckkl\content.js
Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSACA6.tmp\fjmhhkhebjokmaacjcgbhbnjfagcckkl\lsdb.js
Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSACA6.tmp\fjmhhkhebjokmaacjcgbhbnjfagcckkl\manifest.json
Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSACA6.tmp\fjmhhkhebjokmaacjcgbhbnjfagcckkl\yY8jPx6IH.js
Filesize
5KB

MD5
a655c848255f1953e5884d78845e5f5e

SHA1
74c1da3e3480e3c99019d722816b477f4227872b

SHA256
8536a6206614caa9955961786c8c50b00db60213f9d8f419e45f716cb5eef59e

SHA512
5f7ec5240591daa53703e8d8d7e4806b24d1524234b4c58311608bdcc22b915e643e00bd9264787394b042f7b7077d7105bd0a01d680bf2dffa28b3fd8ca409c

Download Submit
memory/1088-132-0x0000000000000000-mapping.dmp

Download
memory/4824-149-0x0000000000000000-mapping.dmp

Download