c42b914076231e4e3e4ec95bc54cf821987e8538348f7e8ec95b03cbea84ef87

Analysis

max time kernel
117s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 19:36

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General

Target

c42b914076231e4e3e4ec95bc54cf821987e8538348f7e8ec95b03cbea84ef87.exe
Size

2.5MB
MD5

60ca1615601a2a5d64c8299f889bc913
SHA1

9b07f70283fb631e9373ada91912f12a9322d056
SHA256

c42b914076231e4e3e4ec95bc54cf821987e8538348f7e8ec95b03cbea84ef87
SHA512

2cf6b977c69e9ed99d6ac237e045a37108a5cce31c23954810ee810a1b3b0726cff48a9e59e986e166ee467c2af837126297e6e657f6ef3a54550123f2a898ba
SSDEEP

49152:h1OsrSQeb71DLvFzAqRmyyVchO4apKHcHhXa3FXWlPC1IS5zQ:h1OYSQY1DCqkck4apyLq9

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

7Sz69r7IVJmZrdR.exe

pid process

4680 7Sz69r7IVJmZrdR.exe
Loads dropped DLL 3 IoCs

Processes:

7Sz69r7IVJmZrdR.exeregsvr32.exeregsvr32.exe

pid process

4680 7Sz69r7IVJmZrdR.exe
4200 regsvr32.exe
364 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
4680	7Sz69r7IVJmZrdR.exe

pid	process
4680	7Sz69r7IVJmZrdR.exe
4200	regsvr32.exe
364	regsvr32.exe

Drops Chrome extension 5 IoCs

Processes:

7Sz69r7IVJmZrdR.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\fomjblaekdcoiaofaamogemapkpkclni\2.0\manifest.json	7Sz69r7IVJmZrdR.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\fomjblaekdcoiaofaamogemapkpkclni\2.0\manifest.json	7Sz69r7IVJmZrdR.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\fomjblaekdcoiaofaamogemapkpkclni\2.0\manifest.json	7Sz69r7IVJmZrdR.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\fomjblaekdcoiaofaamogemapkpkclni\2.0\manifest.json	7Sz69r7IVJmZrdR.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\fomjblaekdcoiaofaamogemapkpkclni\2.0\manifest.json	7Sz69r7IVJmZrdR.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:

regsvr32.exe7Sz69r7IVJmZrdR.exe

description	ioc	process
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}	7Sz69r7IVJmZrdR.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	7Sz69r7IVJmZrdR.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\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	7Sz69r7IVJmZrdR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	7Sz69r7IVJmZrdR.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

Drops file in Program Files directory 8 IoCs

Processes:

7Sz69r7IVJmZrdR.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\GoSave\Ga8hbGZSroz1Kw.tlb	7Sz69r7IVJmZrdR.exe
File created	C:\Program Files (x86)\GoSave\Ga8hbGZSroz1Kw.dat	7Sz69r7IVJmZrdR.exe
File opened for modification	C:\Program Files (x86)\GoSave\Ga8hbGZSroz1Kw.dat	7Sz69r7IVJmZrdR.exe
File created	C:\Program Files (x86)\GoSave\Ga8hbGZSroz1Kw.x64.dll	7Sz69r7IVJmZrdR.exe
File opened for modification	C:\Program Files (x86)\GoSave\Ga8hbGZSroz1Kw.x64.dll	7Sz69r7IVJmZrdR.exe
File created	C:\Program Files (x86)\GoSave\Ga8hbGZSroz1Kw.dll	7Sz69r7IVJmZrdR.exe
File opened for modification	C:\Program Files (x86)\GoSave\Ga8hbGZSroz1Kw.dll	7Sz69r7IVJmZrdR.exe
File created	C:\Program Files (x86)\GoSave\Ga8hbGZSroz1Kw.tlb	7Sz69r7IVJmZrdR.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

7Sz69r7IVJmZrdR.exe

pid process

4680 7Sz69r7IVJmZrdR.exe
4680 7Sz69r7IVJmZrdR.exe

pid	process
4680	7Sz69r7IVJmZrdR.exe
4680	7Sz69r7IVJmZrdR.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

c42b914076231e4e3e4ec95bc54cf821987e8538348f7e8ec95b03cbea84ef87.exe7Sz69r7IVJmZrdR.exeregsvr32.exe

description	pid	process	target process
PID 3324 wrote to memory of 4680	3324	c42b914076231e4e3e4ec95bc54cf821987e8538348f7e8ec95b03cbea84ef87.exe	7Sz69r7IVJmZrdR.exe
PID 3324 wrote to memory of 4680	3324	c42b914076231e4e3e4ec95bc54cf821987e8538348f7e8ec95b03cbea84ef87.exe	7Sz69r7IVJmZrdR.exe
PID 3324 wrote to memory of 4680	3324	c42b914076231e4e3e4ec95bc54cf821987e8538348f7e8ec95b03cbea84ef87.exe	7Sz69r7IVJmZrdR.exe
PID 4680 wrote to memory of 4200	4680	7Sz69r7IVJmZrdR.exe	regsvr32.exe
PID 4680 wrote to memory of 4200	4680	7Sz69r7IVJmZrdR.exe	regsvr32.exe
PID 4680 wrote to memory of 4200	4680	7Sz69r7IVJmZrdR.exe	regsvr32.exe
PID 4200 wrote to memory of 364	4200	regsvr32.exe	regsvr32.exe
PID 4200 wrote to memory of 364	4200	regsvr32.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\c42b914076231e4e3e4ec95bc54cf821987e8538348f7e8ec95b03cbea84ef87.exe
"C:\Users\Admin\AppData\Local\Temp\c42b914076231e4e3e4ec95bc54cf821987e8538348f7e8ec95b03cbea84ef87.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3324

C:\Users\Admin\AppData\Local\Temp\7zS252.tmp\7Sz69r7IVJmZrdR.exe
.\7Sz69r7IVJmZrdR.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:4680

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\Ga8hbGZSroz1Kw.x64.dll"
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4200

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\Ga8hbGZSroz1Kw.x64.dll"
4⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
PID:364

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

Replay Monitor

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Downloads

C:\Program Files (x86)\GoSave\Ga8hbGZSroz1Kw.dat
Filesize
6KB

MD5
a47f6eac49b5e4c37d728704ed6df347

SHA1
05a753aae1b87dfeca340402dc02ac03fef32977

SHA256
c9015d6a52d1c46a2877e80198c5c53a6b0ab917c450d6cc322b7a022db0e1c3

SHA512
77b587e4c10e89c7968af001d23204eb5b30b6c412b607e8076fd3231c0016133f02060f55483dc0fea49fc71aea310d180d8e48378cd2e4e68b65c62a6cd006

Download Submit
C:\Program Files (x86)\GoSave\Ga8hbGZSroz1Kw.dll
Filesize
745KB

MD5
ce27e078a917088b7459c44570637b9d

SHA1
4d9e95fc9b97a1f21221f96ea8fbee55132e82b7

SHA256
8804ae047c9ba998964a359f278f54fa1d671ed245b7dfe117625f1ce0d5e84f

SHA512
492fdacef00a45dfe6d9db9c80b908bd0d9ebb4bf75c1f4053a8e281cfad5279646754a711484709de6f571487276ec19f71552522dc218fba8331bf6358f9ce

Download Submit
C:\Program Files (x86)\GoSave\Ga8hbGZSroz1Kw.x64.dll
Filesize
886KB

MD5
1433d7e71196529644716ffc72c261b2

SHA1
f35147e7dc56f4e92856061b48c9f7a872e10385

SHA256
2ae79c724f8c2a134c125315fc6ee929b7ce09260e80b61c9a9e915571103e3f

SHA512
c363a35bd82214350439dcf6aaf9048b29f10aaeb3b1c3a69222792a94fab1009a5f6b6528df102ae082c129cce50ae7d646abc1dbd8ff9e788a9d05828c272c

Download Submit
C:\Program Files (x86)\GoSave\Ga8hbGZSroz1Kw.x64.dll
Filesize
886KB

MD5
1433d7e71196529644716ffc72c261b2

SHA1
f35147e7dc56f4e92856061b48c9f7a872e10385

SHA256
2ae79c724f8c2a134c125315fc6ee929b7ce09260e80b61c9a9e915571103e3f

SHA512
c363a35bd82214350439dcf6aaf9048b29f10aaeb3b1c3a69222792a94fab1009a5f6b6528df102ae082c129cce50ae7d646abc1dbd8ff9e788a9d05828c272c

Download Submit
C:\Program Files (x86)\GoSave\Ga8hbGZSroz1Kw.x64.dll
Filesize
886KB

MD5
1433d7e71196529644716ffc72c261b2

SHA1
f35147e7dc56f4e92856061b48c9f7a872e10385

SHA256
2ae79c724f8c2a134c125315fc6ee929b7ce09260e80b61c9a9e915571103e3f

SHA512
c363a35bd82214350439dcf6aaf9048b29f10aaeb3b1c3a69222792a94fab1009a5f6b6528df102ae082c129cce50ae7d646abc1dbd8ff9e788a9d05828c272c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS252.tmp\7Sz69r7IVJmZrdR.dat
Filesize
6KB

MD5
a47f6eac49b5e4c37d728704ed6df347

SHA1
05a753aae1b87dfeca340402dc02ac03fef32977

SHA256
c9015d6a52d1c46a2877e80198c5c53a6b0ab917c450d6cc322b7a022db0e1c3

SHA512
77b587e4c10e89c7968af001d23204eb5b30b6c412b607e8076fd3231c0016133f02060f55483dc0fea49fc71aea310d180d8e48378cd2e4e68b65c62a6cd006

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS252.tmp\7Sz69r7IVJmZrdR.exe
Filesize
770KB

MD5
b4c30381dd37fea1c1c69bcb3ad48b32

SHA1
869eca61396754586f7e85ebf65a334e01856740

SHA256
66481ba6d9cbf3c7662fc7cfd867739077256f60f4165f76dfdcd9461500ae50

SHA512
1e7bbdd7a75b748ff9a5f70b46766b0108effc84e0cc7c5d8a1f32e56136181060a4363ed2cbd6ed14d195a2379cf8148680380256f31b809bb77d1fe0bf064f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS252.tmp\7Sz69r7IVJmZrdR.exe
Filesize
770KB

MD5
b4c30381dd37fea1c1c69bcb3ad48b32

SHA1
869eca61396754586f7e85ebf65a334e01856740

SHA256
66481ba6d9cbf3c7662fc7cfd867739077256f60f4165f76dfdcd9461500ae50

SHA512
1e7bbdd7a75b748ff9a5f70b46766b0108effc84e0cc7c5d8a1f32e56136181060a4363ed2cbd6ed14d195a2379cf8148680380256f31b809bb77d1fe0bf064f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS252.tmp\Ga8hbGZSroz1Kw.dll
Filesize
745KB

MD5
ce27e078a917088b7459c44570637b9d

SHA1
4d9e95fc9b97a1f21221f96ea8fbee55132e82b7

SHA256
8804ae047c9ba998964a359f278f54fa1d671ed245b7dfe117625f1ce0d5e84f

SHA512
492fdacef00a45dfe6d9db9c80b908bd0d9ebb4bf75c1f4053a8e281cfad5279646754a711484709de6f571487276ec19f71552522dc218fba8331bf6358f9ce

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS252.tmp\Ga8hbGZSroz1Kw.tlb
Filesize
3KB

MD5
f636475c74627ddf7b3b6b6dfaa8d491

SHA1
fb3a63977f8b0e07f18d313ace3e1f1223dc423b

SHA256
e6e330d72d59551c9ba78464c4081280510901a82f66d94c84cc94ca4594e4b2

SHA512
ba788afd76700c60fa8d899ea6ebc1c69594b09d9099c7cb4d408e290575c9ed89b0288df1a1ca9f1562564eb65f51f8add17f4c57eea7fe890b38592560fb96

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS252.tmp\Ga8hbGZSroz1Kw.x64.dll
Filesize
886KB

MD5
1433d7e71196529644716ffc72c261b2

SHA1
f35147e7dc56f4e92856061b48c9f7a872e10385

SHA256
2ae79c724f8c2a134c125315fc6ee929b7ce09260e80b61c9a9e915571103e3f

SHA512
c363a35bd82214350439dcf6aaf9048b29f10aaeb3b1c3a69222792a94fab1009a5f6b6528df102ae082c129cce50ae7d646abc1dbd8ff9e788a9d05828c272c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS252.tmp\[email protected]\bootstrap.js
Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS252.tmp\[email protected]\chrome.manifest
Filesize
35B

MD5
b290fc4f7999670de2302b89fdc675b7

SHA1
775458e579805c691b66364073754ac1a3a17ad1

SHA256
4aeb58dacc82e643c5ea85f80e55d0b6e8419fbbe31e0721b5bbf5b6e3b66853

SHA512
38836c05932f4a60c24eb3895297b3120ab910e65b1c874e2e444d2ce4d7ceb4ea87f4f90f742b160a694ec0eedd478bdea51e90e2ad8bada3424ed1ee4110df

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS252.tmp\[email protected]\content\bg.js
Filesize
7KB

MD5
eab77b77b16ef9beba04d11eaa80b27d

SHA1
03f6f3859c1dc41a40f71936b0f898f4bb98ebea

SHA256
f0ce285d3bd0c814969abb0151f415ba163c9a7e0ca9e7d3bcb203357feb488e

SHA512
9a0bf1c73c31febad96bc8ef6dcf1395a1ced1737880d5053725cfd69182b112e1ba13e5296649cb116cbf8ef68f480d886e01fb1b05c69fa02247c384b9a9b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS252.tmp\[email protected]\install.rdf
Filesize
593B

MD5
bc269e010eafe8c1a8c86dd870b9f9aa

SHA1
84001a63a5bccdcd19bf9c657d2f229922b2380e

SHA256
c0c2bf94fae146d8fcbfa6f0e0c63d2b7f7532519d1fddfc8a5914935015caa0

SHA512
91075d546661fd144d6f154365e124779375f2c4a6650786fe73ed320f90d525c2051e0143425d1e070722389390b5f4ebc59ea114b4ae59d625900af0e59d96

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS252.tmp\fomjblaekdcoiaofaamogemapkpkclni\background.html
Filesize
146B

MD5
646ca780dc2f0fa34dd192a853809560

SHA1
dfb7d2bc8a60b05513e488fe02cbd6298b724850

SHA256
866b68197c2639b2f57e5431cffa973de992d6b75a8e0e01900e1506d3a97dbb

SHA512
f6764f625184f2bbe135fa63d8ce8e7a26613cda9fa4548bf0a2378ffd7581b87e5855dc260edad0f627ba7ea11f528b79840bf7279df73a9c1f4011ba17b5e0

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS252.tmp\fomjblaekdcoiaofaamogemapkpkclni\content.js
Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS252.tmp\fomjblaekdcoiaofaamogemapkpkclni\i0XfYtcoh.js
Filesize
5KB

MD5
fd030f9d73ac60984556fe8cafb10e0f

SHA1
53d58e1cfc0a28043005a740e1e967fc8d52b6d1

SHA256
5168c6335cbfdbeb85567f30bb8a37201d4aef8a7fe2c90f1aaa6f64d11eefd4

SHA512
5de7e74e8eb1c259d62afb757f8f69cfedb439fa0e34dc2fd88700a680b89e173d9d3e04c2c49a1752d66f90b0a1900a805a41d1323ff45bcb97c9db46202641

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS252.tmp\fomjblaekdcoiaofaamogemapkpkclni\lsdb.js
Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS252.tmp\fomjblaekdcoiaofaamogemapkpkclni\manifest.json
Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
memory/364-152-0x0000000000000000-mapping.dmp

Download
memory/4200-149-0x0000000000000000-mapping.dmp

Download
memory/4680-132-0x0000000000000000-mapping.dmp

Download