b36e34ed71a7723b0277cc7797317aeb9ee8cbbce693c5076a9f778cd13f5573

Analysis

max time kernel
136s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 13:57

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General

Target

b36e34ed71a7723b0277cc7797317aeb9ee8cbbce693c5076a9f778cd13f5573.exe
Size

2.1MB
MD5

c68f33ab52ece857ee5cc5044c5f724c
SHA1

ca6c3276f7a0f2bacab70f5f072d77d393484de7
SHA256

b36e34ed71a7723b0277cc7797317aeb9ee8cbbce693c5076a9f778cd13f5573
SHA512

aea6b388b3415571ce12a4627c508bab5a9b77a42b1ba0dc7de6c77dd42767aa7493f66e0af4f62a664aa48dc57a63d76fea2815003aee7262d8b153d17493b7
SSDEEP

49152:h1OsvyuyoY0IKAVWQrQSM5eeHY1h2PlSUQ8PciA:h1OYgoP9oM5LFI

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
544	wvTlVSurquKsbV7.exe

Loads dropped DLL 3 IoCs

pid	Process
544	wvTlVSurquKsbV7.exe
2976	regsvr32.exe
3264	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\glimfpkbhbjohhfieannppolcgbpedem\2.0\manifest.json	wvTlVSurquKsbV7.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\glimfpkbhbjohhfieannppolcgbpedem\2.0\manifest.json	wvTlVSurquKsbV7.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\glimfpkbhbjohhfieannppolcgbpedem\2.0\manifest.json	wvTlVSurquKsbV7.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\glimfpkbhbjohhfieannppolcgbpedem\2.0\manifest.json	wvTlVSurquKsbV7.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\glimfpkbhbjohhfieannppolcgbpedem\2.0\manifest.json	wvTlVSurquKsbV7.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 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}	wvTlVSurquKsbV7.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	wvTlVSurquKsbV7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	wvTlVSurquKsbV7.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\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	wvTlVSurquKsbV7.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{761497BB-D6F0-462C-B6EB-D4DAF1D92D43}	regsvr32.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\GoSAvei\7j89GtU51GfE3s.x64.dll	wvTlVSurquKsbV7.exe
File created	C:\Program Files (x86)\GoSAvei\7j89GtU51GfE3s.dll	wvTlVSurquKsbV7.exe
File opened for modification	C:\Program Files (x86)\GoSAvei\7j89GtU51GfE3s.dll	wvTlVSurquKsbV7.exe
File created	C:\Program Files (x86)\GoSAvei\7j89GtU51GfE3s.tlb	wvTlVSurquKsbV7.exe
File opened for modification	C:\Program Files (x86)\GoSAvei\7j89GtU51GfE3s.tlb	wvTlVSurquKsbV7.exe
File created	C:\Program Files (x86)\GoSAvei\7j89GtU51GfE3s.dat	wvTlVSurquKsbV7.exe
File opened for modification	C:\Program Files (x86)\GoSAvei\7j89GtU51GfE3s.dat	wvTlVSurquKsbV7.exe
File created	C:\Program Files (x86)\GoSAvei\7j89GtU51GfE3s.x64.dll	wvTlVSurquKsbV7.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 544	4656	b36e34ed71a7723b0277cc7797317aeb9ee8cbbce693c5076a9f778cd13f5573.exe	80
PID 4656 wrote to memory of 544	4656	b36e34ed71a7723b0277cc7797317aeb9ee8cbbce693c5076a9f778cd13f5573.exe	80
PID 4656 wrote to memory of 544	4656	b36e34ed71a7723b0277cc7797317aeb9ee8cbbce693c5076a9f778cd13f5573.exe	80
PID 544 wrote to memory of 2976	544	wvTlVSurquKsbV7.exe	81
PID 544 wrote to memory of 2976	544	wvTlVSurquKsbV7.exe	81
PID 544 wrote to memory of 2976	544	wvTlVSurquKsbV7.exe	81
PID 2976 wrote to memory of 3264	2976	regsvr32.exe	82
PID 2976 wrote to memory of 3264	2976	regsvr32.exe	82

C:\Users\Admin\AppData\Local\Temp\b36e34ed71a7723b0277cc7797317aeb9ee8cbbce693c5076a9f778cd13f5573.exe
"C:\Users\Admin\AppData\Local\Temp\b36e34ed71a7723b0277cc7797317aeb9ee8cbbce693c5076a9f778cd13f5573.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Users\Admin\AppData\Local\Temp\7zS761F.tmp\wvTlVSurquKsbV7.exe
  .\wvTlVSurquKsbV7.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops Chrome extension
  - Installs/modifies Browser Helper Object
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:544
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\GoSAvei\7j89GtU51GfE3s.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2976
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\GoSAvei\7j89GtU51GfE3s.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:3264

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)\GoSAvei\7j89GtU51GfE3s.dat

Filesize
6KB

MD5
4a722d1f83d2d5fc55b79c625001e744

SHA1
1685d2b54235874010beb6d68496311f235de7f7

SHA256
b853d1b7b3e46ff15d2d96c962e1a251e5ef3402e5d8e24cabf706ff834bab68

SHA512
d1f52383b6ef65bd52e695ecc8377df648921fe6004758f2fb23b1c624e8d21ee01ce4f8cfa8de6d549b570edf45368ca3e6fe22f470744a4c0d84e470d19427

Download Submit
C:\Program Files (x86)\GoSAvei\7j89GtU51GfE3s.dll

Filesize
616KB

MD5
ac2bb9f430ee63577e2e658e576fbaa3

SHA1
661dad0abec24f1cd8400e09fd00881d9dd66b02

SHA256
59bb2ef1513927977be1a94a9e7687a92fd078ad343d481ba40edbfbe85e8812

SHA512
f0c2e9c780bcf67147a7c4803ffb292d6b2c4bf0a03f65273a86c6da85c0b5cd1d24d48726d95ed1e5c6b5662b7fcaba65b47bf1e7d906d97c263d2c92285769

Download Submit
C:\Program Files (x86)\GoSAvei\7j89GtU51GfE3s.x64.dll

Filesize
698KB

MD5
48aea480f88ba159a05da8c3e1b938e5

SHA1
56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

SHA256
07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

SHA512
448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

Download Submit
C:\Program Files (x86)\GoSAvei\7j89GtU51GfE3s.x64.dll

Filesize
698KB

MD5
48aea480f88ba159a05da8c3e1b938e5

SHA1
56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

SHA256
07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

SHA512
448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

Download Submit
C:\Program Files (x86)\GoSAvei\7j89GtU51GfE3s.x64.dll

Filesize
698KB

MD5
48aea480f88ba159a05da8c3e1b938e5

SHA1
56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

SHA256
07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

SHA512
448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS761F.tmp\7j89GtU51GfE3s.dll

Filesize
616KB

MD5
ac2bb9f430ee63577e2e658e576fbaa3

SHA1
661dad0abec24f1cd8400e09fd00881d9dd66b02

SHA256
59bb2ef1513927977be1a94a9e7687a92fd078ad343d481ba40edbfbe85e8812

SHA512
f0c2e9c780bcf67147a7c4803ffb292d6b2c4bf0a03f65273a86c6da85c0b5cd1d24d48726d95ed1e5c6b5662b7fcaba65b47bf1e7d906d97c263d2c92285769

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS761F.tmp\7j89GtU51GfE3s.tlb

Filesize
3KB

MD5
52acf269931e562ad7445f7a803bd5e3

SHA1
ef86bb5f96b2bba4c85a73efef5df4a08ab99031

SHA256
bc29a9426767cb54f6f11ea9d457613f858aa0d0e33137ab8ad1f53ff601d8f2

SHA512
545cc433a340e0b6ef70c92ab7854058222bb76385fb4027f1cc174a0baececb48c8e04ea83e9387d2c664505d4dd3799d41512e06c3ec5b4e32d0bf4a84668b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS761F.tmp\7j89GtU51GfE3s.x64.dll

Filesize
698KB

MD5
48aea480f88ba159a05da8c3e1b938e5

SHA1
56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

SHA256
07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

SHA512
448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS761F.tmp\glimfpkbhbjohhfieannppolcgbpedem\b9.js

Filesize
5KB

MD5
9eb4e1724e660da8d4bc5be1a486e42e

SHA1
1d8d3d08fba9800ac9e1a0ad93bd2b626bb0673a

SHA256
ddf1ef07c0aba45d64855aa70ac4e2aed51e63157dbb765edd271d641e902cb0

SHA512
1ccc86291e1945efe27dd8809f4d247e6997733771d66ede7252399b2f1715544e3270c9bf150cf55e6d5ee72fa0704fd8aa729e218b8f0c74e94c663de539eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS761F.tmp\glimfpkbhbjohhfieannppolcgbpedem\background.html

Filesize
139B

MD5
1bff53d1020a680ba5871ee858d90eaa

SHA1
fc22f1eef914afc7544e2d2b17c0a4364b6ff8f0

SHA256
fe6cd72e92bf524be1b9a832864be1599898dd9404799f5b4d1f45f8a802e5d9

SHA512
1fa7f346fd0cb1aae3c517d10b128ce6a0c87c68590277449aea99b30d31bee20972a1feaa6bf7636aa8bdc51fa2e1137048be7269a765f18feb6c0f4c4c4186

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS761F.tmp\glimfpkbhbjohhfieannppolcgbpedem\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS761F.tmp\glimfpkbhbjohhfieannppolcgbpedem\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS761F.tmp\glimfpkbhbjohhfieannppolcgbpedem\manifest.json

Filesize
499B

MD5
94237b72ba2134c50ea1b0edc2c744ba

SHA1
02c1c57ab7aad7706411eef86c6b235dbcdb63fa

SHA256
2402a487de4bc858ccec259c410a3fb720f4591a036677d8e6622fb1b52906e3

SHA512
c517e62c11c10b9a00a352ba74a5c73fb22f80921edf6a932eafa66f3d472d46da17dfe33e81c89250a5d914b5534411f74f5c99f4499a9b4673211fbc3e419f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS761F.tmp\wvTlVSurquKsbV7.dat

Filesize
6KB

MD5
4a722d1f83d2d5fc55b79c625001e744

SHA1
1685d2b54235874010beb6d68496311f235de7f7

SHA256
b853d1b7b3e46ff15d2d96c962e1a251e5ef3402e5d8e24cabf706ff834bab68

SHA512
d1f52383b6ef65bd52e695ecc8377df648921fe6004758f2fb23b1c624e8d21ee01ce4f8cfa8de6d549b570edf45368ca3e6fe22f470744a4c0d84e470d19427

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS761F.tmp\wvTlVSurquKsbV7.exe

Filesize
632KB

MD5
59ed6cd5a934e324d7ff694adb712b61

SHA1
ee41b1da1ca21a050e548b04bbf37c47f251fd10

SHA256
cb9b055b0e4049898db5c8d1df973692f7e57f57ad053fc9fec5372a294b8726

SHA512
04238927495ce1720202db05e90c1efc0c8d409e5255188fff51ee5589048d7b5c56f080fe7e5a1f45f4a7ca1c0d73fadbc34b8a268547f2f2bbd1c994ec2fd8

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS761F.tmp\wvTlVSurquKsbV7.exe

Filesize
632KB

MD5
59ed6cd5a934e324d7ff694adb712b61

SHA1
ee41b1da1ca21a050e548b04bbf37c47f251fd10

SHA256
cb9b055b0e4049898db5c8d1df973692f7e57f57ad053fc9fec5372a294b8726

SHA512
04238927495ce1720202db05e90c1efc0c8d409e5255188fff51ee5589048d7b5c56f080fe7e5a1f45f4a7ca1c0d73fadbc34b8a268547f2f2bbd1c994ec2fd8

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS761F.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS761F.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
a1cbd3bd4bea30390a832e36f8b1dd42

SHA1
b13408f955bbdcb568a24f925debad73304db007

SHA256
01a0981e142200d56953be90b157ad1c35cb696a73e64cdf1d965bb860618248

SHA512
a420ff12fe44b314146d7ec1e17da22a9f29d43723d8b703616126bce67299e98f5bd443c6e52a2ad184bfe365f3087e06947e76676a50ef02dd7a22dce667aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS761F.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
df09dbbe5b5f3253c45193fe90b739da

SHA1
141bf42aac5e6e41faedc9db1b1143cdf3a8bee5

SHA256
fc5116cf5d1baa59c3e183bfbbde4ec218661c1afd8800c65c7a7c4629e7f8c5

SHA512
70431713c6f15e7193c9c4dc3031da66483bba11afe8768c5b22184e39c11f646f91dd60c991082673e8f2e91e6d265a265b90fa4013be9946293099075c54eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS761F.tmp\[email protected]\install.rdf

Filesize
594B

MD5
d29fb4dcd6ffe8b0d9bec2b9ead3b84d

SHA1
8437efa286b93aae3faf5dc08a3b791d351f2478

SHA256
40f3de4b86fa347e6d4c58b21ea4e68b4df9c8658f160e54db1552e7a3e05799

SHA512
e15320bfbf4c3ea818a672d4b5010d52640583f179bde052e885ce463db5fdb6ffd52b80afd1594e0c56747ef459bce74b1756cf6cfab0c570dddf736665d2f4

Download Submit