c667f61c7bb2dcbeffa835d44ebd8ef6ab5c5778a1e8f9a866e323f23e138920

Analysis

max time kernel
151s
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 19:30

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General

Target

c667f61c7bb2dcbeffa835d44ebd8ef6ab5c5778a1e8f9a866e323f23e138920.exe
Size

2.5MB
MD5

ba4fbc611556a014d907a12d443d4ca4
SHA1

51ac7871f5fa209f8ca61ba956c1c350be8c8706
SHA256

c667f61c7bb2dcbeffa835d44ebd8ef6ab5c5778a1e8f9a866e323f23e138920
SHA512

f2a4310c8b463e46b7ba79bc88cfc0ec841b1153499e8519a7880d89917beb45accbedc246bf691607bb64bbc1a4307fc398240a2481ab95e2fe5556e932fdb8
SSDEEP

49152:h1OsQSQeb71DLvFzAqRmyyVchO4apKHcHhXa3FXWlPC1IS5zqH:h1O/SQY1DCqkck4apyLqZH

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

eZB2NxFkXjnVQ1u.exe

pid process

4700 eZB2NxFkXjnVQ1u.exe
Loads dropped DLL 3 IoCs

Processes:

eZB2NxFkXjnVQ1u.exeregsvr32.exeregsvr32.exe

pid process

4700 eZB2NxFkXjnVQ1u.exe
1924 regsvr32.exe
4120 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
4700	eZB2NxFkXjnVQ1u.exe

pid	process
4700	eZB2NxFkXjnVQ1u.exe
1924	regsvr32.exe
4120	regsvr32.exe

Drops Chrome extension 5 IoCs

Processes:

eZB2NxFkXjnVQ1u.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\emnjcpbbaepikjhgmfoamclaneeinfom\2.0\manifest.json	eZB2NxFkXjnVQ1u.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\emnjcpbbaepikjhgmfoamclaneeinfom\2.0\manifest.json	eZB2NxFkXjnVQ1u.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\emnjcpbbaepikjhgmfoamclaneeinfom\2.0\manifest.json	eZB2NxFkXjnVQ1u.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\emnjcpbbaepikjhgmfoamclaneeinfom\2.0\manifest.json	eZB2NxFkXjnVQ1u.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\emnjcpbbaepikjhgmfoamclaneeinfom\2.0\manifest.json	eZB2NxFkXjnVQ1u.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.exeeZB2NxFkXjnVQ1u.exe

description	ioc	process
Key created	\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	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	eZB2NxFkXjnVQ1u.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	eZB2NxFkXjnVQ1u.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\{DBC80044-A445-435B-BC74-9C25C1C588A9}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	eZB2NxFkXjnVQ1u.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	eZB2NxFkXjnVQ1u.exe

Drops file in Program Files directory 8 IoCs

Processes:

eZB2NxFkXjnVQ1u.exe

description	ioc	process
File created	C:\Program Files (x86)\GoSave\9LNrQSigUIgc10.tlb	eZB2NxFkXjnVQ1u.exe
File opened for modification	C:\Program Files (x86)\GoSave\9LNrQSigUIgc10.tlb	eZB2NxFkXjnVQ1u.exe
File created	C:\Program Files (x86)\GoSave\9LNrQSigUIgc10.dat	eZB2NxFkXjnVQ1u.exe
File opened for modification	C:\Program Files (x86)\GoSave\9LNrQSigUIgc10.dat	eZB2NxFkXjnVQ1u.exe
File created	C:\Program Files (x86)\GoSave\9LNrQSigUIgc10.x64.dll	eZB2NxFkXjnVQ1u.exe
File opened for modification	C:\Program Files (x86)\GoSave\9LNrQSigUIgc10.x64.dll	eZB2NxFkXjnVQ1u.exe
File created	C:\Program Files (x86)\GoSave\9LNrQSigUIgc10.dll	eZB2NxFkXjnVQ1u.exe
File opened for modification	C:\Program Files (x86)\GoSave\9LNrQSigUIgc10.dll	eZB2NxFkXjnVQ1u.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

eZB2NxFkXjnVQ1u.exe

pid process

4700 eZB2NxFkXjnVQ1u.exe
4700 eZB2NxFkXjnVQ1u.exe

pid	process
4700	eZB2NxFkXjnVQ1u.exe
4700	eZB2NxFkXjnVQ1u.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

c667f61c7bb2dcbeffa835d44ebd8ef6ab5c5778a1e8f9a866e323f23e138920.exeeZB2NxFkXjnVQ1u.exeregsvr32.exe

description	pid	process	target process
PID 4172 wrote to memory of 4700	4172	c667f61c7bb2dcbeffa835d44ebd8ef6ab5c5778a1e8f9a866e323f23e138920.exe	eZB2NxFkXjnVQ1u.exe
PID 4172 wrote to memory of 4700	4172	c667f61c7bb2dcbeffa835d44ebd8ef6ab5c5778a1e8f9a866e323f23e138920.exe	eZB2NxFkXjnVQ1u.exe
PID 4172 wrote to memory of 4700	4172	c667f61c7bb2dcbeffa835d44ebd8ef6ab5c5778a1e8f9a866e323f23e138920.exe	eZB2NxFkXjnVQ1u.exe
PID 4700 wrote to memory of 1924	4700	eZB2NxFkXjnVQ1u.exe	regsvr32.exe
PID 4700 wrote to memory of 1924	4700	eZB2NxFkXjnVQ1u.exe	regsvr32.exe
PID 4700 wrote to memory of 1924	4700	eZB2NxFkXjnVQ1u.exe	regsvr32.exe
PID 1924 wrote to memory of 4120	1924	regsvr32.exe	regsvr32.exe
PID 1924 wrote to memory of 4120	1924	regsvr32.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\c667f61c7bb2dcbeffa835d44ebd8ef6ab5c5778a1e8f9a866e323f23e138920.exe
"C:\Users\Admin\AppData\Local\Temp\c667f61c7bb2dcbeffa835d44ebd8ef6ab5c5778a1e8f9a866e323f23e138920.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4172

C:\Users\Admin\AppData\Local\Temp\7zS62F5.tmp\eZB2NxFkXjnVQ1u.exe
.\eZB2NxFkXjnVQ1u.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:4700

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\9LNrQSigUIgc10.x64.dll"
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1924

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\9LNrQSigUIgc10.x64.dll"
4⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
PID:4120

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\9LNrQSigUIgc10.dat
Filesize
6KB

MD5
07f29c1948af81cfe219ab102ced2135

SHA1
b40ba7a3ae1e026250041edfca3edbcc87e97c37

SHA256
d8742bb54aa1b63a1cf3ac698cafb589106f8c3d0594c1154a34566c8fff55f4

SHA512
32e546bf0dd3db5d0e1fad13b87a2bffa06c914ea3ea6ec6e3689191e099d633b9bd8f7e0a903c7b0f8fd902c46e9bbaddca22ddae89b63cb8ea55ff135d893a

Download Submit
C:\Program Files (x86)\GoSave\9LNrQSigUIgc10.dll
Filesize
745KB

MD5
ce27e078a917088b7459c44570637b9d

SHA1
4d9e95fc9b97a1f21221f96ea8fbee55132e82b7

SHA256
8804ae047c9ba998964a359f278f54fa1d671ed245b7dfe117625f1ce0d5e84f

SHA512
492fdacef00a45dfe6d9db9c80b908bd0d9ebb4bf75c1f4053a8e281cfad5279646754a711484709de6f571487276ec19f71552522dc218fba8331bf6358f9ce

Download Submit
C:\Program Files (x86)\GoSave\9LNrQSigUIgc10.x64.dll
Filesize
886KB

MD5
1433d7e71196529644716ffc72c261b2

SHA1
f35147e7dc56f4e92856061b48c9f7a872e10385

SHA256
2ae79c724f8c2a134c125315fc6ee929b7ce09260e80b61c9a9e915571103e3f

SHA512
c363a35bd82214350439dcf6aaf9048b29f10aaeb3b1c3a69222792a94fab1009a5f6b6528df102ae082c129cce50ae7d646abc1dbd8ff9e788a9d05828c272c

Download Submit
C:\Program Files (x86)\GoSave\9LNrQSigUIgc10.x64.dll
Filesize
886KB

MD5
1433d7e71196529644716ffc72c261b2

SHA1
f35147e7dc56f4e92856061b48c9f7a872e10385

SHA256
2ae79c724f8c2a134c125315fc6ee929b7ce09260e80b61c9a9e915571103e3f

SHA512
c363a35bd82214350439dcf6aaf9048b29f10aaeb3b1c3a69222792a94fab1009a5f6b6528df102ae082c129cce50ae7d646abc1dbd8ff9e788a9d05828c272c

Download Submit
C:\Program Files (x86)\GoSave\9LNrQSigUIgc10.x64.dll
Filesize
886KB

MD5
1433d7e71196529644716ffc72c261b2

SHA1
f35147e7dc56f4e92856061b48c9f7a872e10385

SHA256
2ae79c724f8c2a134c125315fc6ee929b7ce09260e80b61c9a9e915571103e3f

SHA512
c363a35bd82214350439dcf6aaf9048b29f10aaeb3b1c3a69222792a94fab1009a5f6b6528df102ae082c129cce50ae7d646abc1dbd8ff9e788a9d05828c272c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS62F5.tmp\9LNrQSigUIgc10.dll
Filesize
745KB

MD5
ce27e078a917088b7459c44570637b9d

SHA1
4d9e95fc9b97a1f21221f96ea8fbee55132e82b7

SHA256
8804ae047c9ba998964a359f278f54fa1d671ed245b7dfe117625f1ce0d5e84f

SHA512
492fdacef00a45dfe6d9db9c80b908bd0d9ebb4bf75c1f4053a8e281cfad5279646754a711484709de6f571487276ec19f71552522dc218fba8331bf6358f9ce

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS62F5.tmp\9LNrQSigUIgc10.tlb
Filesize
3KB

MD5
f636475c74627ddf7b3b6b6dfaa8d491

SHA1
fb3a63977f8b0e07f18d313ace3e1f1223dc423b

SHA256
e6e330d72d59551c9ba78464c4081280510901a82f66d94c84cc94ca4594e4b2

SHA512
ba788afd76700c60fa8d899ea6ebc1c69594b09d9099c7cb4d408e290575c9ed89b0288df1a1ca9f1562564eb65f51f8add17f4c57eea7fe890b38592560fb96

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS62F5.tmp\9LNrQSigUIgc10.x64.dll
Filesize
886KB

MD5
1433d7e71196529644716ffc72c261b2

SHA1
f35147e7dc56f4e92856061b48c9f7a872e10385

SHA256
2ae79c724f8c2a134c125315fc6ee929b7ce09260e80b61c9a9e915571103e3f

SHA512
c363a35bd82214350439dcf6aaf9048b29f10aaeb3b1c3a69222792a94fab1009a5f6b6528df102ae082c129cce50ae7d646abc1dbd8ff9e788a9d05828c272c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS62F5.tmp\Vg@9S.edu\bootstrap.js
Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS62F5.tmp\Vg@9S.edu\chrome.manifest
Filesize
35B

MD5
d5474fa2edee82ef1b0eedc888776bec

SHA1
8d840d8b94340062b5a726d3538c3a87a5d67ca8

SHA256
e47821a45f23e4abe608500db16674404c10a6d651be94693b815aa7bc6ebd99

SHA512
92e2a0962fe31b35bef4ac68627d606c609c0650ecf97e5f173d341ad013f0601f16bad7e35ec4b426383089631650b17ec461687c8ed4ff076591fac3b6a9c8

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS62F5.tmp\Vg@9S.edu\content\bg.js
Filesize
7KB

MD5
1de0e5d1258f0b71566d84b600087d41

SHA1
5865562cf829b7b70e384740ef027e8c57310220

SHA256
b1561913448c31a1f38abf9b46b87d30b358a32f05ad6973d5962d8c9fc2a0bf

SHA512
283c58a0e2973a4709de28e8157992687e5c0858bb75d1330de1d214e00fe512230d116300506b0863b67a04a33932b667f38e02018bf0338bf5c428614c975b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS62F5.tmp\Vg@9S.edu\install.rdf
Filesize
591B

MD5
3592dba02a54921bfb728eebb68d13cd

SHA1
21abf9433c4e67a4ae215f8bf8d44bfbeb2be18e

SHA256
8beec91bc021210a8b9d851e0e0a3d84d305b175ee6b838a8ed3ab8c108c3f83

SHA512
cab70b0be7c93509c01ef5603c8fca3de5187c3073c203cc4ba8abf215092a64446f1c0cf92cec61ba565494d43915873ae0177413124152d76ee37e3165871d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS62F5.tmp\eZB2NxFkXjnVQ1u.dat
Filesize
6KB

MD5
07f29c1948af81cfe219ab102ced2135

SHA1
b40ba7a3ae1e026250041edfca3edbcc87e97c37

SHA256
d8742bb54aa1b63a1cf3ac698cafb589106f8c3d0594c1154a34566c8fff55f4

SHA512
32e546bf0dd3db5d0e1fad13b87a2bffa06c914ea3ea6ec6e3689191e099d633b9bd8f7e0a903c7b0f8fd902c46e9bbaddca22ddae89b63cb8ea55ff135d893a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS62F5.tmp\eZB2NxFkXjnVQ1u.exe
Filesize
770KB

MD5
b4c30381dd37fea1c1c69bcb3ad48b32

SHA1
869eca61396754586f7e85ebf65a334e01856740

SHA256
66481ba6d9cbf3c7662fc7cfd867739077256f60f4165f76dfdcd9461500ae50

SHA512
1e7bbdd7a75b748ff9a5f70b46766b0108effc84e0cc7c5d8a1f32e56136181060a4363ed2cbd6ed14d195a2379cf8148680380256f31b809bb77d1fe0bf064f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS62F5.tmp\eZB2NxFkXjnVQ1u.exe
Filesize
770KB

MD5
b4c30381dd37fea1c1c69bcb3ad48b32

SHA1
869eca61396754586f7e85ebf65a334e01856740

SHA256
66481ba6d9cbf3c7662fc7cfd867739077256f60f4165f76dfdcd9461500ae50

SHA512
1e7bbdd7a75b748ff9a5f70b46766b0108effc84e0cc7c5d8a1f32e56136181060a4363ed2cbd6ed14d195a2379cf8148680380256f31b809bb77d1fe0bf064f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS62F5.tmp\emnjcpbbaepikjhgmfoamclaneeinfom\background.html
Filesize
144B

MD5
4fa6033f1a8a3d1fc211793e53f4c2bb

SHA1
cb2e2a54c718ac6112e5499e557c51ddd5d4fa01

SHA256
d342660e95bb41b2acc9446c516ec957c8b37fb60e796fcd20fa2680fcae4af1

SHA512
a85a7291186b627a3ff8578146ea90981fac76b8c9cace754c09fb939f9dd7afb8a9366d23958c9ba204dfeeb1116a79d79d26fe38306a1908f32a81068f5ef9

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS62F5.tmp\emnjcpbbaepikjhgmfoamclaneeinfom\content.js
Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS62F5.tmp\emnjcpbbaepikjhgmfoamclaneeinfom\lsdb.js
Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS62F5.tmp\emnjcpbbaepikjhgmfoamclaneeinfom\manifest.json
Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS62F5.tmp\emnjcpbbaepikjhgmfoamclaneeinfom\oFWBWeV.js
Filesize
5KB

MD5
4fea2d756ac72f17b0b6292549c7595d

SHA1
f47c5efc1177356041dfd746fd60feb31fff00fa

SHA256
ffd2e71fb36ab3bf7930bbad32397a828eee56ce329ea8a233e1d0f149dc7551

SHA512
6ff7de54649864a3bd576e3bb0f79f97a68ccad4b57a6cca1af09472bc176145cf004c6e89aa2c8a0b6aa4a548884cf7119aa05342f67a944c069c7df2eac870

Download Submit
memory/1924-149-0x0000000000000000-mapping.dmp

Download
memory/4120-152-0x0000000000000000-mapping.dmp

Download
memory/4700-132-0x0000000000000000-mapping.dmp

Download