97dbf79b4b15389e56acde2ec36b1bd673f100a3d8847850f92cf53d3cc20876

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 05:32

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General

Target

97dbf79b4b15389e56acde2ec36b1bd673f100a3d8847850f92cf53d3cc20876.exe
Size

2.0MB
MD5

42441819a97201224e82e0886c187bef
SHA1

5717927f8f035f70393ea27b322d75cce8e347b8
SHA256

97dbf79b4b15389e56acde2ec36b1bd673f100a3d8847850f92cf53d3cc20876
SHA512

a278b658b92b4f769671f1ac2fa1690ec02856f2b318a34904a651ca31f44205456f034341397d85e6279a289329c6f7a8a0c58a6943cfd08394659126d055e5
SSDEEP

49152:h1OsiNQToNVxbNrInKtDSwSm7CXH9e7B6cr7J30Ct40pTh:h1OdNQUNVxNpSmGXMvxdt1

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1124	tyghLOT05gyj3cg.exe

Loads dropped DLL 3 IoCs

pid	Process
1124	tyghLOT05gyj3cg.exe
4160	regsvr32.exe
3424	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\doibhopefdfmdaijndcfcebkcekmnkgf\2.0\manifest.json	tyghLOT05gyj3cg.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\doibhopefdfmdaijndcfcebkcekmnkgf\2.0\manifest.json	tyghLOT05gyj3cg.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\doibhopefdfmdaijndcfcebkcekmnkgf\2.0\manifest.json	tyghLOT05gyj3cg.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\doibhopefdfmdaijndcfcebkcekmnkgf\2.0\manifest.json	tyghLOT05gyj3cg.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\doibhopefdfmdaijndcfcebkcekmnkgf\2.0\manifest.json	tyghLOT05gyj3cg.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 deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	tyghLOT05gyj3cg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	tyghLOT05gyj3cg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	tyghLOT05gyj3cg.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\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 created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	tyghLOT05gyj3cg.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\GGoSaavve\Vt3ZRhvMioN1cW.dll	tyghLOT05gyj3cg.exe
File opened for modification	C:\Program Files (x86)\GGoSaavve\Vt3ZRhvMioN1cW.dll	tyghLOT05gyj3cg.exe
File created	C:\Program Files (x86)\GGoSaavve\Vt3ZRhvMioN1cW.tlb	tyghLOT05gyj3cg.exe
File opened for modification	C:\Program Files (x86)\GGoSaavve\Vt3ZRhvMioN1cW.tlb	tyghLOT05gyj3cg.exe
File created	C:\Program Files (x86)\GGoSaavve\Vt3ZRhvMioN1cW.dat	tyghLOT05gyj3cg.exe
File opened for modification	C:\Program Files (x86)\GGoSaavve\Vt3ZRhvMioN1cW.dat	tyghLOT05gyj3cg.exe
File created	C:\Program Files (x86)\GGoSaavve\Vt3ZRhvMioN1cW.x64.dll	tyghLOT05gyj3cg.exe
File opened for modification	C:\Program Files (x86)\GGoSaavve\Vt3ZRhvMioN1cW.x64.dll	tyghLOT05gyj3cg.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1124	tyghLOT05gyj3cg.exe
1124	tyghLOT05gyj3cg.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 1124	740	97dbf79b4b15389e56acde2ec36b1bd673f100a3d8847850f92cf53d3cc20876.exe	80
PID 740 wrote to memory of 1124	740	97dbf79b4b15389e56acde2ec36b1bd673f100a3d8847850f92cf53d3cc20876.exe	80
PID 740 wrote to memory of 1124	740	97dbf79b4b15389e56acde2ec36b1bd673f100a3d8847850f92cf53d3cc20876.exe	80
PID 1124 wrote to memory of 4160	1124	tyghLOT05gyj3cg.exe	81
PID 1124 wrote to memory of 4160	1124	tyghLOT05gyj3cg.exe	81
PID 1124 wrote to memory of 4160	1124	tyghLOT05gyj3cg.exe	81
PID 4160 wrote to memory of 3424	4160	regsvr32.exe	82
PID 4160 wrote to memory of 3424	4160	regsvr32.exe	82

C:\Users\Admin\AppData\Local\Temp\97dbf79b4b15389e56acde2ec36b1bd673f100a3d8847850f92cf53d3cc20876.exe
"C:\Users\Admin\AppData\Local\Temp\97dbf79b4b15389e56acde2ec36b1bd673f100a3d8847850f92cf53d3cc20876.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:740
- C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\tyghLOT05gyj3cg.exe
  .\tyghLOT05gyj3cg.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:1124
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\GGoSaavve\Vt3ZRhvMioN1cW.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:4160
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\GGoSaavve\Vt3ZRhvMioN1cW.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:3424

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)\GGoSaavve\Vt3ZRhvMioN1cW.dat

Filesize
6KB

MD5
9d22e7dc1a9219da6affa01fd5367490

SHA1
e29ed5b90e7874fb567751d01842cb512224e598

SHA256
524005e5da9d31d7a93ce965fcdde1bcf529f8323c1b53ec03c6e0f9d8300573

SHA512
39542078f8ab0910ebb46e7e1d3926f35053513c1af5995f0f5b22f3a219510a0b17324408829934bd77726c5be71979771bee3ffb1f38e2fa41558c99704f7b

Download Submit
C:\Program Files (x86)\GGoSaavve\Vt3ZRhvMioN1cW.dll

Filesize
500KB

MD5
7e61fef6948fc1aa1cb31d42b274cefb

SHA1
bff9450ed225c31548426c98ebcf6055ba7a2bb9

SHA256
05166d95acb90a6b9a539ef9aa864b86affc1099249dd1fda6e19ff88496ced9

SHA512
e48341eefdee739038faef21d1534d107635835540615f703f3f043ce7fc53f3c799f05edfe10571f2f0fd4174783007e57b47294b267224a42ea8c7fae61c0c

Download Submit
C:\Program Files (x86)\GGoSaavve\Vt3ZRhvMioN1cW.x64.dll

Filesize
639KB

MD5
388feac0c3abaf35d451edd34e89b2d4

SHA1
564e5f05143e29e5de4f202dd9c6f36b05b3bcb3

SHA256
80df3798ceffbe51714b7c4ff96ea22847e9c1f1d4f278ec56396635cde59acd

SHA512
59c4fb9c41dbbeb824778e8f65da39a84d80c9eeab96be5d0255f6d0a53a4eb94901335fb263d2ee38ab764fcd95def701c398603d5aba2e52337795af1cd210

Download Submit
C:\Program Files (x86)\GGoSaavve\Vt3ZRhvMioN1cW.x64.dll

Filesize
639KB

MD5
388feac0c3abaf35d451edd34e89b2d4

SHA1
564e5f05143e29e5de4f202dd9c6f36b05b3bcb3

SHA256
80df3798ceffbe51714b7c4ff96ea22847e9c1f1d4f278ec56396635cde59acd

SHA512
59c4fb9c41dbbeb824778e8f65da39a84d80c9eeab96be5d0255f6d0a53a4eb94901335fb263d2ee38ab764fcd95def701c398603d5aba2e52337795af1cd210

Download Submit
C:\Program Files (x86)\GGoSaavve\Vt3ZRhvMioN1cW.x64.dll

Filesize
639KB

MD5
388feac0c3abaf35d451edd34e89b2d4

SHA1
564e5f05143e29e5de4f202dd9c6f36b05b3bcb3

SHA256
80df3798ceffbe51714b7c4ff96ea22847e9c1f1d4f278ec56396635cde59acd

SHA512
59c4fb9c41dbbeb824778e8f65da39a84d80c9eeab96be5d0255f6d0a53a4eb94901335fb263d2ee38ab764fcd95def701c398603d5aba2e52337795af1cd210

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\Vt3ZRhvMioN1cW.dll

Filesize
500KB

MD5
7e61fef6948fc1aa1cb31d42b274cefb

SHA1
bff9450ed225c31548426c98ebcf6055ba7a2bb9

SHA256
05166d95acb90a6b9a539ef9aa864b86affc1099249dd1fda6e19ff88496ced9

SHA512
e48341eefdee739038faef21d1534d107635835540615f703f3f043ce7fc53f3c799f05edfe10571f2f0fd4174783007e57b47294b267224a42ea8c7fae61c0c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\Vt3ZRhvMioN1cW.tlb

Filesize
3KB

MD5
cf57859d4870e1907e52503d4ffcbb7c

SHA1
fb0b87195347f8274e3fa046e0a34c3e57ff1e35

SHA256
273641220fdd65602a2c7034d5365af6fae6fdf5dd78a3f9a0d7c773f4ee7e40

SHA512
955523e6e85438857bddcb7be29f675643855f28ef3600e8b93e6dbb94c5ae961c0dd0f68cb2ae351df52843ccdf919aeb2b62be711180379617fa9b9463f394

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\Vt3ZRhvMioN1cW.x64.dll

Filesize
639KB

MD5
388feac0c3abaf35d451edd34e89b2d4

SHA1
564e5f05143e29e5de4f202dd9c6f36b05b3bcb3

SHA256
80df3798ceffbe51714b7c4ff96ea22847e9c1f1d4f278ec56396635cde59acd

SHA512
59c4fb9c41dbbeb824778e8f65da39a84d80c9eeab96be5d0255f6d0a53a4eb94901335fb263d2ee38ab764fcd95def701c398603d5aba2e52337795af1cd210

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
28f1e1142803403f717afc41ca440ed1

SHA1
bfa1823c2d00149411445be5a9a0bce582e9b2c4

SHA256
8d1065de0ef41c6abec1bf1fa86202a896235b81679159d095f8b9ec21d858a1

SHA512
690a2d4d32ef9f9f172ad527322a9a7b8c0addba0a8749cfa0230445fae7e472af4a7d161582a7ef7d5127ef8e98a0fc767b03789c3ab4d153275cc4880ac699

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
9fdbe6165f5a953d0171a26c2846d1d3

SHA1
9e180ba95914c05502ba78e3d04e5cd851f4e34d

SHA256
76a66f1122f13a41057ddddca5946e5db790889a0c873a1a88aae01bd736234d

SHA512
f8b15e9000acf076ea08d3acaa751f5dbc81bbc5f0aa7c2abca00c6838bc4374350db0b895845b80bfe755719c73abb45e9d9a7b62a1d99b8df0be417ad2b672

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\[email protected]\install.rdf

Filesize
597B

MD5
dd9d58ddd74ab21855a71cf47e631162

SHA1
f9b309cedbfa43acdec3898f4a87c9eabba46078

SHA256
c1f539f32ce81651bddeff8667faa48e7ccfd391504fd2cd85fa17db2b10c7d8

SHA512
01330028f8b9ec26519f97cb31f048454b33680990f1ab35fe34b40639aee22abb07b0208cec2544cc18b1b4bccd20ca26afcfa357e0ef892c278ab9ddb95370

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\doibhopefdfmdaijndcfcebkcekmnkgf\V08cUqB9Ie.js

Filesize
5KB

MD5
a38445c02da565c9d3615661a733aa6c

SHA1
51b489acf3f3d7e2755f76b5107ac6e4c25a1d12

SHA256
206a38c657292d8b924665ad4d1b92da014bf74d48c275a7f4dd8332f412fd0d

SHA512
af43ea82f93aa825cc5868d72362caee507d55d7455b6287d1d6c06decfb8d76d4994ece887e037d00ebe200918452dcebd4157bdd5f201e6255f0d03d43dc02

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\doibhopefdfmdaijndcfcebkcekmnkgf\background.html

Filesize
147B

MD5
21e539a402376ecc20f3390d9b738401

SHA1
fbb5c6db49aeba9c7b8f37919f37410ec1feb30a

SHA256
01e061bbd9d451e2d9f2d8a98367474c737f4f6ff9897628dfa9ca6944f4e67d

SHA512
d9c8a0c6a28ba062c39be1f5ea0c7d67005b10bf528889d6b1e5240cf55ac5de17b37115f5bd85f6e6c7dfbc051d3da4c6649aed8d75bd481f0c52494e8b72fd

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\doibhopefdfmdaijndcfcebkcekmnkgf\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\doibhopefdfmdaijndcfcebkcekmnkgf\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\doibhopefdfmdaijndcfcebkcekmnkgf\manifest.json

Filesize
501B

MD5
7c465ff8084b7d82d3a0451505bb30f3

SHA1
11d4123553492f04eaf392fca39e8b16b44e67c9

SHA256
92e55fde1cbcf43256063bafd773c2a953889438030a80a899e6c058f1aef5b4

SHA512
4af89a5fab8c0033674de5e59741276fb834bb556e257a688514a3ce141e171d1eb376ac2c60e9eb64d15852e771f79327d92e610ed50e5c6b82bcc4064903fd

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\tyghLOT05gyj3cg.dat

Filesize
6KB

MD5
9d22e7dc1a9219da6affa01fd5367490

SHA1
e29ed5b90e7874fb567751d01842cb512224e598

SHA256
524005e5da9d31d7a93ce965fcdde1bcf529f8323c1b53ec03c6e0f9d8300573

SHA512
39542078f8ab0910ebb46e7e1d3926f35053513c1af5995f0f5b22f3a219510a0b17324408829934bd77726c5be71979771bee3ffb1f38e2fa41558c99704f7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\tyghLOT05gyj3cg.exe

Filesize
766KB

MD5
eb843f08b06cc5bb0e8bbe9f8aaa0ba6

SHA1
0813518ec2daeb0a49d7ee2c9482150cc0eb1136

SHA256
1d94c27748e7d0dc5ffd03ae99acd9c30aaa8a6e91a66beab420650f9d6e4977

SHA512
48e3ec76eeb7a54d7ae467317d03ad5f073249e38cb8be1f08a65d31c8c4fb687d8315d6093074c074fb16c782ca57f9d0ec53464d91c0998d85f54fe58324c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\tyghLOT05gyj3cg.exe

Filesize
766KB

MD5
eb843f08b06cc5bb0e8bbe9f8aaa0ba6

SHA1
0813518ec2daeb0a49d7ee2c9482150cc0eb1136

SHA256
1d94c27748e7d0dc5ffd03ae99acd9c30aaa8a6e91a66beab420650f9d6e4977

SHA512
48e3ec76eeb7a54d7ae467317d03ad5f073249e38cb8be1f08a65d31c8c4fb687d8315d6093074c074fb16c782ca57f9d0ec53464d91c0998d85f54fe58324c4

Download Submit